Release v1.14

Translations update from Weblate

.github/workflows/android.yml

@@ -13,6 +13,7 @@ jobs:
 
     steps:
     - uses: actions/checkout@v2
+    - uses: gradle/wrapper-validation-action@v1
     - name: set up JDK 1.8
       uses: actions/setup-java@v1
       with:
@@ -23,5 +24,11 @@ jobs:
       run: ./gradlew lintRelease
     - name: Run unit tests
       run: ./gradlew testReleaseUnitTest
-    - name: FindBugs
-      run: ./gradlew findbugs
+    - name: SpotBugs
+      run: ./gradlew spotbugsRelease
+    - name: Archive test results
+      if: always()
+      uses: actions/upload-artifact@v2
+      with:
+        name: test-results
+        path: app/build/reports

.gitignore

@@ -1,8 +1,9 @@
 *.iml
 .gradle
-/local.properties
-/.idea/workspace.xml
-/.idea/libraries
+local.properties
+.idea/
 .DS_Store
-/build
-/captures
+build/
+captures/
+**/release
+**/debug

CHANGELOG.md

@@ -1,5 +1,151 @@
 # Changelog
 
+## v1.14 (2021-06-07)
+
+Changes:
+
+- Support new PDF417 export from Voucher Vault
+- Support copying multiple barcodes at once
+- Support sharing multiple loyalty cards at once
+- Ask to update barcode value if card ID changes
+
+## v1.13 (2021-04-10)
+
+Changes:
+
+- Add option to set a separate barcode value from card ID
+- Simplify font sizing configuration
+- Several small UI fixes
+- Use letter icon for shortcuts too
+- Always show all barcode types in manual entry
+- Remove privacy policy first start dialog
+
+## v1.12 (2021-03-30)
+
+Changes:
+
+- Support importing [Fidme](https://play.google.com/store/apps/details?id=fr.snapp.fidme) exports
+- Allow importing a card from a picture stored in the user's Android gallery
+- Fix multiline note cutoff
+- Change "Thank you" text on privacy dialog to "Accept" because Huawei is overly pedantic
+
+## v1.11 (2021-03-21)
+
+Changes:
+
+- Add privacy policy dialog on first start (required by Huawei)
+
+## v1.10 (2021-03-07)
+
+Changes:
+
+- Support importing [Voucher Vault](https://github.com/tim-smart/vouchervault/) exports
+- Option to keep the screen on while viewing a loyalty card
+- Option to suspend the lock screen while viewing a loyalty card
+
+## v1.9.2 (2021-02-24)
+
+Changes:
+
+- Fix parsing balance for countries using space as separator
+
+## v1.9.1 (2021-02-23)
+
+Changes:
+
+- Improve balance parsing logic
+- Fix currency decimal display on main screen
+
+## v1.9 (2021-02-22)
+
+Changes:
+
+- Add balance support
+- Reorganize barcode tab of edit view
+
+## v1.8.1 (2021-02-12)
+
+Changes:
+
+- Fix Crash on versions before Android 7
+
+## v1.8 (2021-01-28)
+
+Changes:
+
+- Add support for scaling the barcode when moving to top to fit even more small scanners
+- Fix bottom sheet jumping after switching to fullscreen
+- Make header in loyalty card view small in landscape mode
+- Fix cards not staying in group when group gets renamed
+
+## v1.7.1 (2021-01-18)
+
+Changes:
+
+- Fix crash on switching to barcode tab in edit view if there is no barcode
+
+## v1.7.0 (2021-01-18)
+
+Changes:
+
+- Separate edit UI in tabs to make it feel more spacious
+- Add expiry field support
+
+## v1.6.2 (2021-01-04)
+
+Changes:
+
+- Fix edit button or more info bottom sheet drawing over barcode ID
+
+## v1.6.1 (2020-12-16)
+
+Changes:
+
+- Fix regression causing manual barcode entry to not be saved
+
+## v1.6.0 (2020-12-15)
+
+Changes:
+
+- Automatically focus text field when creating or editing a group
+- Fix blurry icons (use SVG everywhere)
+- Always open camera but add manual scan button to camera view
+
+## v1.5.1 (2020-12-03)
+
+Changes:
+
+- Fix bottomsheet background being transparent
+
+## v1.5.0 (2020-12-03)
+
+Changes:
+
+- Improve contrast by always using white text on red buttons
+- Draggable bottom sheet in loyalty card view
+
+## v1.4.1 (2020-12-01)
+
+Changes:
+
+- Improved translations
+- Small UI fixes
+
+## v1.4.0 (2020-11-28)
+
+Changes:
+
+- Move About screen into its own activity
+- Ask user if they want to use their camera or manually enter ID on add/edit card
+- Make group ordering manual instead of forced alphabetically
+
+## v1.3.0 (2020-11-22)
+
+Changes:
+
+- Always show all import/export options and show a toast on actual issues (improves compat with XPrivacyLua)
+- Ask for confirmation when leaving edit view after making changes without saving
+
 ## v1.2.2 (2020-11-19)
 
 Changes:

app/.gitignore

@@ -1 +0,0 @@
-/build

app/build.gradle

@@ -1,77 +1,101 @@
-apply plugin: 'com.android.application'
-apply plugin: 'findbugs'
+import com.github.spotbugs.snom.SpotBugsTask
 
-findbugs {
-    sourceSets = []
+apply plugin: 'com.android.application'
+apply plugin: 'com.github.spotbugs'
+
+spotbugs {
     ignoreFailures = false
+    effort = 'max'
+    excludeFilter = file("./config/spotbugs/exclude.xml")
+    reportsDir = file("$buildDir/reports/spotbugs/")
 }
 
 android {
     compileSdkVersion 29
+    buildToolsVersion "30.0.3"
 
     defaultConfig {
         applicationId "me.hackerchick.catima"
-        minSdkVersion 16
+        minSdkVersion 19
         targetSdkVersion 29
-        versionCode 46
-        versionName "1.2.2"
+        versionCode 68
+        versionName "1.14"
+
+        vectorDrawables.useSupportLibrary true
     }
+
     buildTypes {
         release {
-            minifyEnabled false
+            minifyEnabled true
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+            resValue "string", "app_name", "Catima"
         }
         debug {
             applicationIdSuffix ".debug"
+            resValue "string", "app_name", "Catima Debug"
         }
     }
+
+    compileOptions {
+        encoding "UTF-8"
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+
     lintOptions {
-        disable "GoogleAppIndexingWarning"
-        disable "ButtonStyle"
-        disable "AlwaysShowAction"
-        disable "MissingTranslation"
-        disable "MissingPrefix"
+        disable "GoogleAppIndexingWarning", "ButtonStyle", "AlwaysShowAction",
+                "MissingTranslation", "MissingPrefix"
     }
 
     // Starting with Android Studio 3 Robolectric is unable to find resources.
     // The following allows it to find the resources.
     testOptions {
         unitTests {
-            includeAndroidResources = true
+            all {
+                testLogging {
+                    events 'started', 'passed', 'skipped', 'failed'
+                }
+            }
+            includeAndroidResources true
         }
     }
 }
 
 dependencies {
-    implementation fileTree(dir: 'libs', include: ['*.jar'])
+// AndroidX
     implementation 'androidx.appcompat:appcompat:1.2.0'
-    implementation 'com.google.android.material:material:1.2.1'
-    implementation 'androidx.legacy:legacy-support-v4:1.0.0'
-    implementation 'com.journeyapps:zxing-android-embedded:3.5.0@aar'
-    implementation 'com.google.zxing:core:3.3.0'
-    implementation 'org.apache.commons:commons-csv:1.5'
-    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
-    implementation 'com.jaredrummler:colorpicker:1.0.2'
-    implementation group: 'com.google.guava', name: 'guava', version: '20.0'
-    implementation 'com.github.apl-devs:appintro:v4.2.0'
-    implementation "com.vanniktech:vntnumberpickerpreference:1.0.0"
     implementation 'androidx.cardview:cardview:1.0.0'
-    testImplementation 'junit:junit:4.12'
-    testImplementation "org.robolectric:robolectric:4.0.2"
+    implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
+    implementation 'androidx.preference:preference:1.1.1'
+    implementation 'com.google.android.material:material:1.3.0'
+
+// Third-party
+    implementation 'com.journeyapps:zxing-android-embedded:4.1.0@aar'
+    // Do not upgrade past 3.3.3! Causes a crash on versions before Android Nougat
+    //noinspection GradleDependency
+    implementation 'com.google.zxing:core:3.3.3'
+    implementation 'org.apache.commons:commons-csv:1.8'
+    implementation 'com.jaredrummler:colorpicker:1.1.0'
+    implementation 'com.google.guava:guava:30.1.1-jre'
+    implementation 'com.github.invissvenska:NumberPickerPreference:1.0.2'
+
+// SpotBugs
+    implementation 'io.wcm.tooling.spotbugs:io.wcm.tooling.spotbugs.annotations:1.0.0'
+
+// Testing
+    testImplementation 'androidx.test:core:1.3.0'
+    testImplementation 'junit:junit:4.13.2'
+    testImplementation 'org.robolectric:robolectric:4.4'
 }
 
-task findbugs(type: FindBugs, dependsOn: 'assembleDebug') {
+tasks.withType(SpotBugsTask) {
 
-    description 'Run findbugs'
+    description 'Run spotbugs'
     group 'verification'
 
-    classes = fileTree('build/intermediates/javac/debug/compileDebugJavaWithJavac/classes')
-    source = fileTree('src/main/java')
-    classpath = files()
-
-    effort = 'max'
-
-    excludeFilter = file("./config/findbugs/exclude.xml")
+    //classes = fileTree('build/intermediates/javac/debug/compileDebugJavaWithJavac/classes')
+    //source = fileTree('src/main/java')
+    //classpath = files()
 
     reports {
         xml.enabled = false

app/release/output.json

@@ -1 +0,0 @@
-[{"outputType":{"type":"APK"},"apkInfo":{"type":"MAIN","splits":[],"versionCode":41,"versionName":"1.0","enabled":true,"outputFile":"app-release.apk","fullName":"release","baseName":"release"},"path":"app-release.apk","properties":{}}]

app/src/androidTest/java/protect/card_locker/ApplicationTest.java

@@ -1,15 +0,0 @@
-package protect.card_locker;
-
-import android.app.Application;
-import android.test.ApplicationTestCase;
-
-/**
- * <a href="http://d.android.com/tools/testing/testing_android.html">Testing Fundamentals</a>
- */
-public class ApplicationTest extends ApplicationTestCase<Application>
-{
-    public ApplicationTest()
-    {
-        super(Application.class);
-    }
-}

app/src/main/AndroidManifest.xml

@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest package="protect.card_locker"
-          xmlns:android="http://schemas.android.com/apk/res/android">
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools">
 
     <uses-permission
         android:name="android.permission.CAMERA"/>
@@ -16,6 +17,8 @@
         android:name="android.hardware.camera.autofocus"
         android:required="false" />
 
+    <uses-sdk tools:overrideLibrary="com.google.zxing.client.android" />
+
     <application
         android:name=".LoyaltyCardLockerApplication"
         android:allowBackup="true"
@@ -33,6 +36,11 @@
                 <category android:name="android.intent.category.LAUNCHER"/>
             </intent-filter>
         </activity>
+        <activity
+            android:name=".AboutActivity"
+            android:label="@string/about"
+            android:theme="@style/AppTheme.NoActionBar">
+        </activity>
         <activity
             android:name=".ManageGroupsActivity"
             android:label="@string/groups"
@@ -41,7 +49,6 @@
         <activity
             android:name=".LoyaltyCardViewActivity"
             android:theme="@style/AppTheme.NoActionBar"
-            android:label=""
             android:windowSoftInputMode="stateHidden"
             android:exported="true"/>
         <activity
@@ -62,6 +69,10 @@
                     android:pathPrefix="@string/intent_import_card_from_url_path_prefix_old" />
             </intent-filter>
         </activity>
+        <activity
+            android:name=".ScanActivity"
+            android:label="@string/scanCardBarcode"
+            android:theme="@style/AppTheme.NoActionBar"/>
         <activity
             android:name=".BarcodeSelectorActivity"
             android:label="@string/selectBarcodeTitle"

app/src/main/java/protect/card_locker/AboutActivity.java

@@ -0,0 +1,107 @@
+package protect.card_locker;
+
+import android.content.pm.PackageInfo;
+import android.content.pm.PackageManager;
+import android.os.Bundle;
+import android.text.method.LinkMovementMethod;
+import android.util.Log;
+import android.view.MenuItem;
+import android.widget.TextView;
+
+import java.util.ArrayList;
+import java.util.Calendar;
+import java.util.List;
+
+import androidx.appcompat.app.ActionBar;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.appcompat.widget.Toolbar;
+import androidx.core.text.HtmlCompat;
+
+public class AboutActivity extends AppCompatActivity
+{
+    private static final String TAG = "Catima";
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState)
+    {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.about_activity);
+        Toolbar toolbar = findViewById(R.id.toolbar);
+        setSupportActionBar(toolbar);
+        ActionBar actionBar = getSupportActionBar();
+        if(actionBar != null)
+        {
+            actionBar.setDisplayHomeAsUpEnabled(true);
+        }
+
+        final List<ThirdPartyInfo> USED_LIBRARIES = new ArrayList<>();
+        USED_LIBRARIES.add(new ThirdPartyInfo("Commons CSV", "https://commons.apache.org/proper/commons-csv/", "Apache 2.0"));
+        USED_LIBRARIES.add(new ThirdPartyInfo("Guava", "https://github.com/google/guava", "Apache 2.0"));
+        USED_LIBRARIES.add(new ThirdPartyInfo("ZXing", "https://github.com/zxing/zxing", "Apache 2.0"));
+        USED_LIBRARIES.add(new ThirdPartyInfo("ZXing Android Embedded", "https://github.com/journeyapps/zxing-android-embedded", "Apache 2.0"));
+        USED_LIBRARIES.add(new ThirdPartyInfo("Color Picker", "https://github.com/jaredrummler/ColorPicker", "Apache 2.0"));
+        USED_LIBRARIES.add(new ThirdPartyInfo("NumberPickerPreference", "https://github.com/invissvenska/NumberPickerPreference", "GNU LGPL 3.0"));
+
+        final List<ThirdPartyInfo> USED_ASSETS = new ArrayList<>();
+        USED_ASSETS.add(new ThirdPartyInfo("Android icons", "https://fonts.google.com/icons?selected=Material+Icons", "Apache 2.0"));
+
+        StringBuilder libs = new StringBuilder().append("<br/>");
+        for (ThirdPartyInfo entry : USED_LIBRARIES)
+        {
+            libs.append("<br/><a href=\"").append(entry.url()).append("\">").append(entry.name()).append("</a> (").append(entry.license()).append(")<br/>");
+        }
+
+        StringBuilder resources = new StringBuilder().append("<br/>");
+        for (ThirdPartyInfo entry : USED_ASSETS)
+        {
+            resources.append("<br/><a href=\"").append(entry.url()).append("\">").append(entry.name()).append("</a> (").append(entry.license()).append(")<br/>");
+        }
+
+        String appName = getString(R.string.app_name);
+        int year = Calendar.getInstance().get(Calendar.YEAR);
+
+        String version = "?";
+        try
+        {
+            PackageInfo pi = getPackageManager().getPackageInfo(getPackageName(), 0);
+            version = pi.versionName;
+        }
+        catch (PackageManager.NameNotFoundException e)
+        {
+            Log.w(TAG, "Package name not found", e);
+        }
+
+        setTitle(String.format(getString(R.string.about_title_fmt), appName));
+
+        TextView aboutTextView = findViewById(R.id.aboutText);
+        aboutTextView.setText(HtmlCompat.fromHtml(String.format(getString(R.string.debug_version_fmt), version) +
+                "<br/><br/>" +
+                String.format(getString(R.string.app_revision_fmt),
+                        "<a href=\"" + getString(R.string.app_revision_url) + "\">" +
+                                "GitHub" +
+                                "</a>") +
+                "<br/><br/>" +
+                String.format(getString(R.string.app_copyright_fmt), year) +
+                "<br/><br/>" +
+                getString(R.string.app_copyright_old) +
+                "<br/><br/>" +
+                getString(R.string.app_license) +
+                "<br/><br/>" +
+                String.format(getString(R.string.app_libraries), libs.toString()) +
+                "<br/><br/>" +
+                String.format(getString(R.string.app_resources), resources.toString()), HtmlCompat.FROM_HTML_MODE_COMPACT));
+        aboutTextView.setMovementMethod(LinkMovementMethod.getInstance());
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item)
+    {
+        int id = item.getItemId();
+
+        if (id == android.R.id.home) {
+            finish();
+        }
+
+        return super.onOptionsItemSelected(item);
+    }
+}

app/src/main/java/protect/card_locker/BarcodeImageWriterTask.java

@@ -1,6 +1,8 @@
 package protect.card_locker;
 
 import android.graphics.Bitmap;
+import android.graphics.Color;
+import android.graphics.PorterDuff;
 import android.os.AsyncTask;
 import android.util.Log;
 import android.view.View;
@@ -23,6 +25,9 @@ class BarcodeImageWriterTask extends AsyncTask<Void, Void, Bitmap>
 {
     private static final String TAG = "Catima";
 
+    private static final int IS_VALID = 999;
+    private boolean isSuccesful;
+
     // When drawn in a smaller window 1D barcodes for some reason end up
     // squished, whereas 2D barcodes look fine.
     private static final int MAX_WIDTH_1D = 1500;
@@ -30,14 +35,20 @@ class BarcodeImageWriterTask extends AsyncTask<Void, Void, Bitmap>
 
     private final WeakReference<ImageView> imageViewReference;
     private final WeakReference<TextView> textViewReference;
-    private final String cardId;
+    private String cardId;
     private final BarcodeFormat format;
     private final int imageHeight;
     private final int imageWidth;
+    private final boolean showFallback;
+    private final Runnable callback;
 
     BarcodeImageWriterTask(ImageView imageView, String cardIdString,
-                           BarcodeFormat barcodeFormat, TextView textView)
+                           BarcodeFormat barcodeFormat, TextView textView,
+                           boolean showFallback, Runnable callback)
     {
+        isSuccesful = true;
+        this.callback = callback;
+
         // Use a WeakReference to ensure the ImageView can be garbage collected
         imageViewReference = new WeakReference<>(imageView);
         textViewReference = new WeakReference<>(textView);
@@ -59,11 +70,8 @@ class BarcodeImageWriterTask extends AsyncTask<Void, Void, Bitmap>
             double ratio = (double)MAX_WIDTH / (double)imageView.getWidth();
             imageHeight = (int)(imageView.getHeight() * ratio);
         }
-    }
 
-    BarcodeImageWriterTask(ImageView imageView, String cardIdString, BarcodeFormat barcodeFormat)
-    {
-        this(imageView, cardIdString, barcodeFormat, null);
+        this.showFallback = showFallback;
     }
 
     private int getMaxWidth(BarcodeFormat format)
@@ -96,7 +104,41 @@ class BarcodeImageWriterTask extends AsyncTask<Void, Void, Bitmap>
         }
     }
 
-    public Bitmap doInBackground(Void... params)
+    private String getFallbackString(BarcodeFormat format)
+    {
+        switch(format)
+        {
+            // 2D barcodes
+            case AZTEC:
+                return "AZTEC";
+            case DATA_MATRIX:
+                return "DATA_MATRIX";
+            case PDF_417:
+                return "PDF_417";
+            case QR_CODE:
+                return "QR_CODE";
+
+            // 1D barcodes:
+            case CODABAR:
+                return "C0C";
+            case CODE_39:
+                return "CODE_39";
+            case CODE_128:
+                return "CODE_128";
+            case EAN_8:
+                return "32123456";
+            case EAN_13:
+                return "5901234123457";
+            case ITF:
+                return "1003";
+            case UPC_A:
+                return "123456789012";
+            default:
+                throw new IllegalArgumentException("No fallback known for this barcode type");
+        }
+    }
+
+    private Bitmap generate()
     {
         if (cardId.isEmpty())
         {
@@ -165,13 +207,30 @@ class BarcodeImageWriterTask extends AsyncTask<Void, Void, Bitmap>
         catch(OutOfMemoryError e)
         {
             Log.w(TAG, "Insufficient memory to render barcode, "
-                + imageWidth + "x" + imageHeight + ", " + format.name()
-                + ", length=" + cardId.length(), e);
+                    + imageWidth + "x" + imageHeight + ", " + format.name()
+                    + ", length=" + cardId.length(), e);
         }
 
         return null;
     }
 
+    public Bitmap doInBackground(Void... params)
+    {
+        Bitmap bitmap = generate();
+
+        if (bitmap == null) {
+            isSuccesful = false;
+
+            if (showFallback) {
+                Log.i(TAG, "Barcode generation failed, generating fallback...");
+                cardId = getFallbackString(format);
+                bitmap = generate();
+            }
+        }
+
+        return bitmap;
+    }
+
     protected void onPostExecute(Bitmap result)
     {
         Log.i(TAG, "Finished generating barcode image of type " + format + ": " + cardId);
@@ -182,6 +241,8 @@ class BarcodeImageWriterTask extends AsyncTask<Void, Void, Bitmap>
             return;
         }
 
+        imageView.setTag(isSuccesful);
+
         imageView.setImageBitmap(result);
         TextView textView = textViewReference.get();
 
@@ -190,6 +251,12 @@ class BarcodeImageWriterTask extends AsyncTask<Void, Void, Bitmap>
             Log.i(TAG, "Displaying barcode");
             imageView.setVisibility(View.VISIBLE);
 
+            if (isSuccesful) {
+                imageView.setColorFilter(null);
+            } else {
+                imageView.setColorFilter(Color.LTGRAY, PorterDuff.Mode.LIGHTEN);
+            }
+
             if (textView != null) {
                 textView.setVisibility(View.VISIBLE);
                 textView.setText(format.name());
@@ -203,5 +270,9 @@ class BarcodeImageWriterTask extends AsyncTask<Void, Void, Bitmap>
                 textView.setVisibility(View.GONE);
             }
         }
+
+        if (callback != null) {
+            callback.run();
+        }
     }
 }

app/src/main/java/protect/card_locker/BarcodeSelectorActivity.java

@@ -3,11 +3,7 @@ package protect.card_locker;
 import android.app.Activity;
 import android.content.Intent;
 import android.os.AsyncTask;
-import android.os.Build;
 import android.os.Bundle;
-import androidx.appcompat.app.ActionBar;
-import androidx.appcompat.app.AppCompatActivity;
-import androidx.appcompat.widget.Toolbar;
 import android.text.Editable;
 import android.text.TextWatcher;
 import android.util.Log;
@@ -18,6 +14,7 @@ import android.view.ViewTreeObserver;
 import android.widget.EditText;
 import android.widget.ImageView;
 import android.widget.TextView;
+import android.widget.Toast;
 
 import com.google.common.collect.ImmutableMap;
 import com.google.zxing.BarcodeFormat;
@@ -28,6 +25,10 @@ import java.util.Collections;
 import java.util.LinkedList;
 import java.util.Map;
 
+import androidx.appcompat.app.ActionBar;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.appcompat.widget.Toolbar;
+
 /**
  * This activity is callable and will allow a user to enter
  * barcode data and generate all barcodes possible for
@@ -105,20 +106,7 @@ public class BarcodeSelectorActivity extends AppCompatActivity
             {
                 Log.d(TAG, "Entered text: " + s);
 
-                // Stop any async tasks which may not have been started yet
-                for(AsyncTask task : barcodeGeneratorTasks)
-                {
-                    task.cancel(false);
-                }
-                barcodeGeneratorTasks.clear();
-
-                // Update barcodes
-                for(String key : barcodeViewMap.keySet())
-                {
-                    ImageView image = findViewById(barcodeViewMap.get(key).first);
-                    TextView text = findViewById(barcodeViewMap.get(key).second);
-                    createBarcodeOption(image, key, s.toString(), text);
-                }
+                generateBarcodes(s.toString());
 
                 View noBarcodeButtonView = findViewById(R.id.noBarcode);
                 setButtonListener(noBarcodeButtonView, s.toString());
@@ -138,6 +126,25 @@ public class BarcodeSelectorActivity extends AppCompatActivity
         if(initialCardId != null)
         {
             cardId.setText(initialCardId);
+        } else {
+            generateBarcodes("");
+        }
+    }
+
+    private void generateBarcodes(String value) {
+        // Stop any async tasks which may not have been started yet
+        for(AsyncTask task : barcodeGeneratorTasks)
+        {
+            task.cancel(false);
+        }
+        barcodeGeneratorTasks.clear();
+
+        // Update barcodes
+        for(Map.Entry<String, Pair<Integer, Integer>> entry : barcodeViewMap.entrySet())
+        {
+            ImageView image = findViewById(entry.getValue().first);
+            TextView text = findViewById(entry.getValue().second);
+            createBarcodeOption(image, entry.getKey(), value, text);
         }
     }
 
@@ -172,6 +179,12 @@ public class BarcodeSelectorActivity extends AppCompatActivity
             public void onClick(View v)
             {
                 Log.d(TAG, "Selected barcode type " + formatType);
+
+                if (!((boolean) image.getTag())) {
+                    Toast.makeText(BarcodeSelectorActivity.this, getString(R.string.wrongValueForBarcodeType), Toast.LENGTH_LONG).show();
+                    return;
+                }
+
                 Intent result = new Intent();
                 result.putExtra(BARCODE_FORMAT, formatType);
                 result.putExtra(BARCODE_CONTENTS, cardId);
@@ -191,17 +204,10 @@ public class BarcodeSelectorActivity extends AppCompatActivity
                     public void onGlobalLayout()
                     {
                         Log.d(TAG, "Global layout finished, type: + " + formatType + ", width: " + image.getWidth());
-                        if (Build.VERSION.SDK_INT < 16)
-                        {
-                            image.getViewTreeObserver().removeGlobalOnLayoutListener(this);
-                        }
-                        else
-                        {
-                            image.getViewTreeObserver().removeOnGlobalLayoutListener(this);
-                        }
+                        image.getViewTreeObserver().removeOnGlobalLayoutListener(this);
 
                         Log.d(TAG, "Generating barcode for type " + formatType);
-                        BarcodeImageWriterTask task = new BarcodeImageWriterTask(image, cardId, format, text);
+                        BarcodeImageWriterTask task = new BarcodeImageWriterTask(image, cardId, format, text, true, null);
                         barcodeGeneratorTasks.add(task);
                         task.execute();
                     }
@@ -210,7 +216,7 @@ public class BarcodeSelectorActivity extends AppCompatActivity
         else
         {
             Log.d(TAG, "Generating barcode for type " + formatType);
-            BarcodeImageWriterTask task = new BarcodeImageWriterTask(image, cardId, format, text);
+            BarcodeImageWriterTask task = new BarcodeImageWriterTask(image, cardId, format, text, true, null);
             barcodeGeneratorTasks.add(task);
             task.execute();
         }

app/src/main/java/protect/card_locker/BarcodeValues.java

@@ -0,0 +1,23 @@
+package protect.card_locker;
+
+public class BarcodeValues {
+    private final String mFormat;
+    private final String mContent;
+
+    public BarcodeValues(String format, String content) {
+        mFormat = format;
+        mContent = content;
+    }
+
+    public String format() {
+        return mFormat;
+    }
+
+    public String content() {
+        return mContent;
+    }
+
+    public boolean isEmpty() {
+        return mFormat == null && mContent == null;
+    }
+}

app/src/main/java/protect/card_locker/BaseCursorAdapter.java

@@ -0,0 +1,87 @@
+package protect.card_locker;
+
+import android.database.Cursor;
+
+import androidx.recyclerview.widget.RecyclerView;
+
+public abstract class BaseCursorAdapter<V extends RecyclerView.ViewHolder> extends RecyclerView.Adapter<V>
+{
+    private Cursor mCursor;
+    private boolean mDataValid;
+    private int mRowIDColumn;
+
+    public BaseCursorAdapter(Cursor inputCursor)
+    {
+        setHasStableIds(true);
+        swapCursor(inputCursor);
+    }
+
+    public abstract void onBindViewHolder(V inputHolder, Cursor inputCursor);
+
+    @Override
+    public void onBindViewHolder(V inputHolder, int inputPosition)
+    {
+        if (!mDataValid)
+        {
+            throw new IllegalStateException("Cannot bind view holder when cursor is in invalid state.");
+        }
+
+        if (!mCursor.moveToPosition(inputPosition))
+        {
+            throw new IllegalStateException("Could not move cursor to position " + inputPosition + " when trying to bind view holder");
+        }
+
+        onBindViewHolder(inputHolder, mCursor);
+    }
+
+    @Override
+    public int getItemCount()
+    {
+        if (mDataValid)
+        {
+            return mCursor.getCount();
+        }
+        else
+        {
+            return 0;
+        }
+    }
+
+    @Override
+    public long getItemId(int inputPosition)
+    {
+        if (!mDataValid)
+        {
+            throw new IllegalStateException("Cannot lookup item id when cursor is in invalid state.");
+        }
+
+        if (!mCursor.moveToPosition(inputPosition))
+        {
+            throw new IllegalStateException("Could not move cursor to position " + inputPosition + " when trying to get an item id");
+        }
+
+        return mCursor.getLong(mRowIDColumn);
+    }
+
+    public void swapCursor(Cursor inputCursor)
+    {
+        if (inputCursor == mCursor)
+        {
+            return;
+        }
+
+        if (inputCursor != null)
+        {
+            mCursor = inputCursor;
+            mDataValid = true;
+            notifyDataSetChanged();
+        }
+        else
+        {
+            notifyItemRangeRemoved(0, getItemCount());
+            mCursor = null;
+            mRowIDColumn = -1;
+            mDataValid = false;
+        }
+    }
+}

app/src/main/java/protect/card_locker/CardShortcutConfigure.java

@@ -4,24 +4,26 @@ import android.content.Intent;
 import android.database.Cursor;
 import android.os.Bundle;
 import android.os.Parcelable;
-import androidx.appcompat.app.AppCompatActivity;
-import androidx.appcompat.widget.Toolbar;
 import android.util.Log;
 import android.view.View;
-import android.widget.AdapterView;
-import android.widget.ListView;
 import android.widget.Toast;
 
+import com.google.android.material.floatingactionbutton.FloatingActionButton;
+
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.appcompat.widget.Toolbar;
+import androidx.recyclerview.widget.RecyclerView;
+
 /**
  * The configuration screen for creating a shortcut.
  */
-public class CardShortcutConfigure extends AppCompatActivity
+public class CardShortcutConfigure extends AppCompatActivity implements LoyaltyCardCursorAdapter.CardAdapterListener
 {
     static final String TAG = "Catima";
+    final DBHelper mDb = new DBHelper(this);
 
     @Override
-    public void onCreate(Bundle bundle)
-    {
+    public void onCreate(Bundle bundle) {
         super.onCreate(bundle);
 
         // Set the result to CANCELED.  This will cause nothing to happen if the
@@ -32,52 +34,66 @@ public class CardShortcutConfigure extends AppCompatActivity
         Toolbar toolbar = findViewById(R.id.toolbar);
         toolbar.setVisibility(View.GONE);
 
+        // Hide new button because it won't work here anyway
+        FloatingActionButton newFab = findViewById(R.id.fabAdd);
+        newFab.setVisibility(View.GONE);
+
         final DBHelper db = new DBHelper(this);
 
         // If there are no cards, bail
-        if(db.getLoyaltyCardCount() == 0)
-        {
+        if (db.getLoyaltyCardCount() == 0) {
             Toast.makeText(this, R.string.noCardsMessage, Toast.LENGTH_LONG).show();
             finish();
         }
 
-        final ListView cardList = findViewById(R.id.list);
+        final RecyclerView cardList = findViewById(R.id.list);
         cardList.setVisibility(View.VISIBLE);
 
         Cursor cardCursor = db.getLoyaltyCardCursor();
 
-        final LoyaltyCardCursorAdapter adapter = new LoyaltyCardCursorAdapter(this, cardCursor);
+        final LoyaltyCardCursorAdapter adapter = new LoyaltyCardCursorAdapter(this, cardCursor, this);
         cardList.setAdapter(adapter);
+    }
 
-        cardList.setOnItemClickListener(new AdapterView.OnItemClickListener()
-        {
-            @Override
-            public void onItemClick(AdapterView<?> parent, View view, int position, long id)
-            {
-                Cursor selected = (Cursor) parent.getItemAtPosition(position);
-                LoyaltyCard loyaltyCard = LoyaltyCard.toLoyaltyCard(selected);
+    private void onClickAction(int position) {
+        Cursor selected = mDb.getLoyaltyCardCursor();
+        selected.moveToPosition(position);
+        LoyaltyCard loyaltyCard = LoyaltyCard.toLoyaltyCard(selected);
 
-                Log.d(TAG, "Creating shortcut for card " + loyaltyCard.store + "," + loyaltyCard.id);
+        Log.d(TAG, "Creating shortcut for card " + loyaltyCard.store + "," + loyaltyCard.id);
 
-                Intent shortcutIntent = new Intent(CardShortcutConfigure.this, LoyaltyCardViewActivity.class);
-                shortcutIntent.setAction(Intent.ACTION_MAIN);
-                // Prevent instances of the view activity from piling up; if one exists let this
-                // one replace it.
-                shortcutIntent.setFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP);
-                Bundle bundle = new Bundle();
-                bundle.putInt("id", loyaltyCard.id);
-                bundle.putBoolean("view", true);
-                shortcutIntent.putExtras(bundle);
+        Intent shortcutIntent = new Intent(CardShortcutConfigure.this, LoyaltyCardViewActivity.class);
+        shortcutIntent.setAction(Intent.ACTION_MAIN);
+        // Prevent instances of the view activity from piling up; if one exists let this
+        // one replace it.
+        shortcutIntent.setFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP);
+        Bundle bundle = new Bundle();
+        bundle.putInt("id", loyaltyCard.id);
+        bundle.putBoolean("view", true);
+        shortcutIntent.putExtras(bundle);
 
-                Parcelable icon = Intent.ShortcutIconResource.fromContext(CardShortcutConfigure.this, R.mipmap.ic_launcher);
-                Intent intent = new Intent();
-                intent.putExtra(Intent.EXTRA_SHORTCUT_INTENT, shortcutIntent);
-                intent.putExtra(Intent.EXTRA_SHORTCUT_NAME, loyaltyCard.store);
-                intent.putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE, icon);
-                setResult(RESULT_OK, intent);
+        Parcelable icon = Intent.ShortcutIconResource.fromContext(CardShortcutConfigure.this, R.mipmap.ic_launcher);
+        Intent intent = new Intent();
+        intent.putExtra(Intent.EXTRA_SHORTCUT_INTENT, shortcutIntent);
+        intent.putExtra(Intent.EXTRA_SHORTCUT_NAME, loyaltyCard.store);
+        intent.putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE, icon);
+        setResult(RESULT_OK, intent);
 
-                finish();
-            }
-        });
+        finish();
+    }
+
+    @Override
+    public void onIconClicked(int inputPosition) {
+        onClickAction(inputPosition);
+    }
+
+    @Override
+    public void onRowClicked(int inputPosition) {
+        onClickAction(inputPosition);
+    }
+
+    @Override
+    public void onRowLongClicked(int inputPosition) {
+        // do nothing
     }
 }

app/src/main/java/protect/card_locker/DBHelper.java

@@ -4,38 +4,48 @@ import android.content.ContentValues;
 import android.content.Context;
 import android.database.Cursor;
 import android.database.sqlite.SQLiteDatabase;
+import android.database.sqlite.SQLiteException;
 import android.database.sqlite.SQLiteOpenHelper;
-import android.graphics.Color;
 
+import com.google.zxing.BarcodeFormat;
+
+import java.math.BigDecimal;
 import java.util.ArrayList;
+import java.util.Currency;
+import java.util.Date;
 import java.util.List;
 
 public class DBHelper extends SQLiteOpenHelper
 {
     public static final String DATABASE_NAME = "Catima.db";
     public static final int ORIGINAL_DATABASE_VERSION = 1;
-    public static final int DATABASE_VERSION = 5;
+    public static final int DATABASE_VERSION = 10;
 
-    static class LoyaltyCardDbGroups
+    public static class LoyaltyCardDbGroups
     {
         public static final String TABLE = "groups";
         public static final String ID = "_id";
+        public static final String ORDER = "orderId";
     }
 
-    static class LoyaltyCardDbIds
+    public static class LoyaltyCardDbIds
     {
         public static final String TABLE = "cards";
         public static final String ID = "_id";
         public static final String STORE = "store";
+        public static final String EXPIRY = "expiry";
+        public static final String BALANCE = "balance";
+        public static final String BALANCE_TYPE = "balancetype";
         public static final String NOTE = "note";
         public static final String HEADER_COLOR = "headercolor";
         public static final String HEADER_TEXT_COLOR = "headertextcolor";
         public static final String CARD_ID = "cardid";
+        public static final String BARCODE_ID = "barcodeid";
         public static final String BARCODE_TYPE = "barcodetype";
         public static final String STAR_STATUS = "starstatus";
     }
 
-    static class LoyaltyCardDbIdsGroups
+    public static class LoyaltyCardDbIdsGroups
     {
         public static final String TABLE = "cardsGroups";
         public static final String cardID = "cardId";
@@ -52,17 +62,22 @@ public class DBHelper extends SQLiteOpenHelper
     {
         // create table for card groups
         db.execSQL("create table " + LoyaltyCardDbGroups.TABLE + "(" +
-                LoyaltyCardDbGroups.ID + " TEXT primary key not null)");
+                LoyaltyCardDbGroups.ID + " TEXT primary key not null," +
+                LoyaltyCardDbGroups.ORDER + " INTEGER DEFAULT '0')");
 
         // create table for cards
+        // Balance is TEXT and not REAL to be able to store a BigDecimal without precision loss
         db.execSQL("create table " + LoyaltyCardDbIds.TABLE + "(" +
                 LoyaltyCardDbIds.ID + " INTEGER primary key autoincrement," +
                 LoyaltyCardDbIds.STORE + " TEXT not null," +
                 LoyaltyCardDbIds.NOTE + " TEXT not null," +
+                LoyaltyCardDbIds.EXPIRY + " INTEGER," +
+                LoyaltyCardDbIds.BALANCE + " TEXT not null DEFAULT '0'," +
+                LoyaltyCardDbIds.BALANCE_TYPE + " TEXT," +
                 LoyaltyCardDbIds.HEADER_COLOR + " INTEGER," +
-                LoyaltyCardDbIds.HEADER_TEXT_COLOR + " INTEGER," +
                 LoyaltyCardDbIds.CARD_ID + " TEXT not null," +
-                LoyaltyCardDbIds.BARCODE_TYPE + " TEXT not null," +
+                LoyaltyCardDbIds.BARCODE_ID + " TEXT," +
+                LoyaltyCardDbIds.BARCODE_TYPE + " TEXT," +
                 LoyaltyCardDbIds.STAR_STATUS + " INTEGER DEFAULT '0' )");
 
         // create associative table for cards in groups
@@ -109,55 +124,211 @@ public class DBHelper extends SQLiteOpenHelper
                     LoyaltyCardDbIdsGroups.groupID + " TEXT," +
                     "primary key (" + LoyaltyCardDbIdsGroups.cardID + "," + LoyaltyCardDbIdsGroups.groupID +"))");
         }
+
+        // Upgrade from version 5 to 6
+        if(oldVersion < 6 && newVersion >= 6)
+        {
+            db.execSQL("ALTER TABLE " + LoyaltyCardDbGroups.TABLE
+                    + " ADD COLUMN " + LoyaltyCardDbGroups.ORDER + " INTEGER DEFAULT '0'");
+        }
+
+        if(oldVersion < 7 && newVersion >= 7)
+        {
+            db.execSQL("ALTER TABLE " + LoyaltyCardDbIds.TABLE
+                    + " ADD COLUMN " + LoyaltyCardDbIds.EXPIRY + " INTEGER");
+        }
+
+        if(oldVersion < 8 && newVersion >= 8)
+        {
+            db.execSQL("ALTER TABLE " + LoyaltyCardDbIds.TABLE
+                    + " ADD COLUMN " + LoyaltyCardDbIds.BALANCE + " TEXT not null DEFAULT '0'");
+            db.execSQL("ALTER TABLE " + LoyaltyCardDbIds.TABLE
+                    + " ADD COLUMN " + LoyaltyCardDbIds.BALANCE_TYPE + " TEXT");
+        }
+
+        if(oldVersion < 9 && newVersion >= 9)
+        {
+            db.execSQL("ALTER TABLE " + LoyaltyCardDbIds.TABLE
+                    + " ADD COLUMN " + LoyaltyCardDbIds.BARCODE_ID + " TEXT");
+        }
+
+        if(oldVersion < 10 && newVersion >= 10)
+        {
+            // SQLite doesn't support modify column
+            // So we need to create a temp column to make barcode type nullable
+            // Let's drop header text colour too while we're at it
+            // https://www.sqlite.org/faq.html#q11
+            db.beginTransaction();
+
+            db.execSQL("CREATE TEMPORARY TABLE tmp (" +
+                    LoyaltyCardDbIds.ID + " INTEGER primary key autoincrement," +
+                    LoyaltyCardDbIds.STORE + " TEXT not null," +
+                    LoyaltyCardDbIds.NOTE + " TEXT not null," +
+                    LoyaltyCardDbIds.EXPIRY + " INTEGER," +
+                    LoyaltyCardDbIds.BALANCE + " TEXT not null DEFAULT '0'," +
+                    LoyaltyCardDbIds.BALANCE_TYPE + " TEXT," +
+                    LoyaltyCardDbIds.HEADER_COLOR + " INTEGER," +
+                    LoyaltyCardDbIds.CARD_ID + " TEXT not null," +
+                    LoyaltyCardDbIds.BARCODE_ID + " TEXT," +
+                    LoyaltyCardDbIds.BARCODE_TYPE + " TEXT," +
+                    LoyaltyCardDbIds.STAR_STATUS + " INTEGER DEFAULT '0' )");
+
+            db.execSQL("INSERT INTO tmp (" +
+                    LoyaltyCardDbIds.ID + " ," +
+                    LoyaltyCardDbIds.STORE + " ," +
+                    LoyaltyCardDbIds.NOTE + " ," +
+                    LoyaltyCardDbIds.EXPIRY + " ," +
+                    LoyaltyCardDbIds.BALANCE + " ," +
+                    LoyaltyCardDbIds.BALANCE_TYPE + " ," +
+                    LoyaltyCardDbIds.HEADER_COLOR + " ," +
+                    LoyaltyCardDbIds.CARD_ID + " ," +
+                    LoyaltyCardDbIds.BARCODE_ID + " ," +
+                    LoyaltyCardDbIds.BARCODE_TYPE + " ," +
+                    LoyaltyCardDbIds.STAR_STATUS + ")" +
+                    " SELECT " +
+                    LoyaltyCardDbIds.ID + " ," +
+                    LoyaltyCardDbIds.STORE + " ," +
+                    LoyaltyCardDbIds.NOTE + " ," +
+                    LoyaltyCardDbIds.EXPIRY + " ," +
+                    LoyaltyCardDbIds.BALANCE + " ," +
+                    LoyaltyCardDbIds.BALANCE_TYPE + " ," +
+                    LoyaltyCardDbIds.HEADER_COLOR + " ," +
+                    LoyaltyCardDbIds.CARD_ID + " ," +
+                    LoyaltyCardDbIds.BARCODE_ID + " ," +
+                    " NULLIF(" + LoyaltyCardDbIds.BARCODE_TYPE + ",'') ," +
+                    LoyaltyCardDbIds.STAR_STATUS +
+                    " FROM " + LoyaltyCardDbIds.TABLE);
+
+            db.execSQL("DROP TABLE " + LoyaltyCardDbIds.TABLE);
+
+            db.execSQL("create table " + LoyaltyCardDbIds.TABLE + "(" +
+                    LoyaltyCardDbIds.ID + " INTEGER primary key autoincrement," +
+                    LoyaltyCardDbIds.STORE + " TEXT not null," +
+                    LoyaltyCardDbIds.NOTE + " TEXT not null," +
+                    LoyaltyCardDbIds.EXPIRY + " INTEGER," +
+                    LoyaltyCardDbIds.BALANCE + " TEXT not null DEFAULT '0'," +
+                    LoyaltyCardDbIds.BALANCE_TYPE + " TEXT," +
+                    LoyaltyCardDbIds.HEADER_COLOR + " INTEGER," +
+                    LoyaltyCardDbIds.CARD_ID + " TEXT not null," +
+                    LoyaltyCardDbIds.BARCODE_ID + " TEXT," +
+                    LoyaltyCardDbIds.BARCODE_TYPE + " TEXT," +
+                    LoyaltyCardDbIds.STAR_STATUS + " INTEGER DEFAULT '0' )");
+
+            db.execSQL("INSERT INTO " + LoyaltyCardDbIds.TABLE + "(" +
+                    LoyaltyCardDbIds.ID + " ," +
+                    LoyaltyCardDbIds.STORE + " ," +
+                    LoyaltyCardDbIds.NOTE + " ," +
+                    LoyaltyCardDbIds.EXPIRY + " ," +
+                    LoyaltyCardDbIds.BALANCE + " ," +
+                    LoyaltyCardDbIds.BALANCE_TYPE + " ," +
+                    LoyaltyCardDbIds.HEADER_COLOR + " ," +
+                    LoyaltyCardDbIds.CARD_ID + " ," +
+                    LoyaltyCardDbIds.BARCODE_ID + " ," +
+                    LoyaltyCardDbIds.BARCODE_TYPE + " ," +
+                    LoyaltyCardDbIds.STAR_STATUS + ")" +
+                    " SELECT " +
+                    LoyaltyCardDbIds.ID + " ," +
+                    LoyaltyCardDbIds.STORE + " ," +
+                    LoyaltyCardDbIds.NOTE + " ," +
+                    LoyaltyCardDbIds.EXPIRY + " ," +
+                    LoyaltyCardDbIds.BALANCE + " ," +
+                    LoyaltyCardDbIds.BALANCE_TYPE + " ," +
+                    LoyaltyCardDbIds.HEADER_COLOR + " ," +
+                    LoyaltyCardDbIds.CARD_ID + " ," +
+                    LoyaltyCardDbIds.BARCODE_ID + " ," +
+                    LoyaltyCardDbIds.BARCODE_TYPE + " ," +
+                    LoyaltyCardDbIds.STAR_STATUS +
+                    " FROM tmp");
+
+            db.execSQL("DROP TABLE tmp");
+
+            db.setTransactionSuccessful();
+            db.endTransaction();
+        }
     }
 
-    public long insertLoyaltyCard(final String store, final String note, final String cardId,
-                                  final String barcodeType, final Integer headerColor,
+    public long insertLoyaltyCard(final String store, final String note, final Date expiry,
+                                  final BigDecimal balance, final Currency balanceType,
+                                  final String cardId, final String barcodeId,
+                                  final BarcodeFormat barcodeType, final Integer headerColor,
                                   final int starStatus)
     {
         SQLiteDatabase db = getWritableDatabase();
         ContentValues contentValues = new ContentValues();
         contentValues.put(LoyaltyCardDbIds.STORE, store);
         contentValues.put(LoyaltyCardDbIds.NOTE, note);
+        contentValues.put(LoyaltyCardDbIds.EXPIRY, expiry != null ? expiry.getTime() : null);
+        contentValues.put(LoyaltyCardDbIds.BALANCE, balance.toString());
+        contentValues.put(LoyaltyCardDbIds.BALANCE_TYPE, balanceType != null ? balanceType.getCurrencyCode() : null);
         contentValues.put(LoyaltyCardDbIds.CARD_ID, cardId);
-        contentValues.put(LoyaltyCardDbIds.BARCODE_TYPE, barcodeType);
+        contentValues.put(LoyaltyCardDbIds.BARCODE_ID, barcodeId);
+        contentValues.put(LoyaltyCardDbIds.BARCODE_TYPE, barcodeType != null ? barcodeType.toString() : null);
         contentValues.put(LoyaltyCardDbIds.HEADER_COLOR, headerColor);
-        contentValues.put(LoyaltyCardDbIds.HEADER_TEXT_COLOR, Color.WHITE);
         contentValues.put(LoyaltyCardDbIds.STAR_STATUS, starStatus);
         final long newId = db.insert(LoyaltyCardDbIds.TABLE, null, contentValues);
         return newId;
     }
 
+    public boolean insertLoyaltyCard(final SQLiteDatabase db, final String store,
+                                     final String note, final Date expiry, final BigDecimal balance,
+                                     final Currency balanceType, final String cardId,
+                                     final String barcodeId, final BarcodeFormat barcodeType,
+                                     final Integer headerColor, final int starStatus)
+    {
+        ContentValues contentValues = new ContentValues();
+        contentValues.put(LoyaltyCardDbIds.STORE, store);
+        contentValues.put(LoyaltyCardDbIds.NOTE, note);
+        contentValues.put(LoyaltyCardDbIds.EXPIRY, expiry != null ? expiry.getTime() : null);
+        contentValues.put(LoyaltyCardDbIds.BALANCE, balance.toString());
+        contentValues.put(LoyaltyCardDbIds.BALANCE_TYPE, balanceType != null ? balanceType.getCurrencyCode() : null);
+        contentValues.put(LoyaltyCardDbIds.CARD_ID, cardId);
+        contentValues.put(LoyaltyCardDbIds.BARCODE_ID, barcodeId);
+        contentValues.put(LoyaltyCardDbIds.BARCODE_TYPE, barcodeType != null ? barcodeType.toString() : null);
+        contentValues.put(LoyaltyCardDbIds.HEADER_COLOR, headerColor);
+        contentValues.put(LoyaltyCardDbIds.STAR_STATUS,starStatus);
+        final long newId = db.insert(LoyaltyCardDbIds.TABLE, null, contentValues);
+        return (newId != -1);
+    }
+
     public boolean insertLoyaltyCard(final SQLiteDatabase db, final int id, final String store,
-                                     final String note, final String cardId,
-                                     final String barcodeType, final Integer headerColor,
-                                     final int starStatus)
+                                     final String note, final Date expiry, final BigDecimal balance,
+                                     final Currency balanceType, final String cardId,
+                                     final String barcodeId, final BarcodeFormat barcodeType,
+                                     final Integer headerColor, final int starStatus)
     {
         ContentValues contentValues = new ContentValues();
         contentValues.put(LoyaltyCardDbIds.ID, id);
         contentValues.put(LoyaltyCardDbIds.STORE, store);
         contentValues.put(LoyaltyCardDbIds.NOTE, note);
+        contentValues.put(LoyaltyCardDbIds.EXPIRY, expiry != null ? expiry.getTime() : null);
+        contentValues.put(LoyaltyCardDbIds.BALANCE, balance.toString());
+        contentValues.put(LoyaltyCardDbIds.BALANCE_TYPE, balanceType != null ? balanceType.getCurrencyCode() : null);
         contentValues.put(LoyaltyCardDbIds.CARD_ID, cardId);
-        contentValues.put(LoyaltyCardDbIds.BARCODE_TYPE, barcodeType);
+        contentValues.put(LoyaltyCardDbIds.BARCODE_ID, barcodeId);
+        contentValues.put(LoyaltyCardDbIds.BARCODE_TYPE, barcodeType != null ? barcodeType.toString() : null);
         contentValues.put(LoyaltyCardDbIds.HEADER_COLOR, headerColor);
-        contentValues.put(LoyaltyCardDbIds.HEADER_TEXT_COLOR, Color.WHITE);
         contentValues.put(LoyaltyCardDbIds.STAR_STATUS,starStatus);
         final long newId = db.insert(LoyaltyCardDbIds.TABLE, null, contentValues);
         return (newId != -1);
     }
 
     public boolean updateLoyaltyCard(final int id, final String store, final String note,
-                                     final String cardId, final String barcodeType,
+                                     final Date expiry, final BigDecimal balance,
+                                     final Currency balanceType, final String cardId,
+                                     final String barcodeId, final BarcodeFormat barcodeType,
                                      final Integer headerColor)
     {
         SQLiteDatabase db = getWritableDatabase();
         ContentValues contentValues = new ContentValues();
         contentValues.put(LoyaltyCardDbIds.STORE, store);
         contentValues.put(LoyaltyCardDbIds.NOTE, note);
+        contentValues.put(LoyaltyCardDbIds.EXPIRY, expiry != null ? expiry.getTime() : null);
+        contentValues.put(LoyaltyCardDbIds.BALANCE, balance.toString());
+        contentValues.put(LoyaltyCardDbIds.BALANCE_TYPE, balanceType != null ? balanceType.getCurrencyCode() : null);
         contentValues.put(LoyaltyCardDbIds.CARD_ID, cardId);
-        contentValues.put(LoyaltyCardDbIds.BARCODE_TYPE, barcodeType);
+        contentValues.put(LoyaltyCardDbIds.BARCODE_ID, barcodeId);
+        contentValues.put(LoyaltyCardDbIds.BARCODE_TYPE, barcodeType != null ? barcodeType.toString() : null);
         contentValues.put(LoyaltyCardDbIds.HEADER_COLOR, headerColor);
-        contentValues.put(LoyaltyCardDbIds.HEADER_TEXT_COLOR, Color.WHITE);
         int rowsUpdated = db.update(LoyaltyCardDbIds.TABLE, contentValues,
                 LoyaltyCardDbIds.ID + "=?",
                 new String[]{Integer.toString(id)});
@@ -206,6 +377,7 @@ public class DBHelper extends SQLiteOpenHelper
         List<Group> groups = new ArrayList<>();
 
         if (!data.moveToFirst()) {
+            data.close();
             return groups;
         }
 
@@ -215,6 +387,8 @@ public class DBHelper extends SQLiteOpenHelper
             groups.add(Group.toGroup(data));
         }
 
+        data.close();
+
         return groups;
     }
 
@@ -376,7 +550,7 @@ public class DBHelper extends SQLiteOpenHelper
         SQLiteDatabase db = getReadableDatabase();
 
         Cursor res = db.rawQuery("select * from " + LoyaltyCardDbGroups.TABLE +
-                " ORDER BY " + LoyaltyCardDbGroups.ID + " COLLATE NOCASE ASC", null, null);
+                " ORDER BY " + LoyaltyCardDbGroups.ORDER + " ASC," + LoyaltyCardDbGroups.ID + " COLLATE NOCASE ASC", null, null);
         return res;
     }
 
@@ -386,6 +560,7 @@ public class DBHelper extends SQLiteOpenHelper
         List<Group> groups = new ArrayList<>();
 
         if (!data.moveToFirst()) {
+            data.close();
             return groups;
         }
 
@@ -395,9 +570,31 @@ public class DBHelper extends SQLiteOpenHelper
             groups.add(Group.toGroup(data));
         }
 
+        data.close();
+
         return groups;
     }
 
+    public void reorderGroups(final List<Group> groups)
+    {
+        Integer order = 0;
+
+        SQLiteDatabase db = getWritableDatabase();
+        ContentValues contentValues;
+
+        for (Group group : groups)
+        {
+            contentValues = new ContentValues();
+            contentValues.put(LoyaltyCardDbGroups.ORDER, order);
+
+            db.update(LoyaltyCardDbGroups.TABLE, contentValues,
+                    LoyaltyCardDbGroups.ID + "=?",
+                    new String[]{group._id});
+
+            order++;
+        }
+    }
+
     public Group getGroup(final String groupName)
     {
         SQLiteDatabase db = getReadableDatabase();
@@ -467,6 +664,7 @@ public class DBHelper extends SQLiteOpenHelper
         SQLiteDatabase db = getWritableDatabase();
         ContentValues contentValues = new ContentValues();
         contentValues.put(LoyaltyCardDbGroups.ID, name);
+        contentValues.put(LoyaltyCardDbGroups.ORDER, getGroupCount());
         final long newId = db.insert(LoyaltyCardDbGroups.TABLE, null, contentValues);
         return newId;
     }
@@ -475,6 +673,7 @@ public class DBHelper extends SQLiteOpenHelper
     {
         ContentValues contentValues = new ContentValues();
         contentValues.put(LoyaltyCardDbGroups.ID, name);
+        contentValues.put(LoyaltyCardDbGroups.ORDER, getGroupCount());
         final long newId = db.insert(LoyaltyCardDbGroups.TABLE, null, contentValues);
         return (newId != -1);
     }
@@ -483,33 +682,66 @@ public class DBHelper extends SQLiteOpenHelper
     {
         if (newName.isEmpty()) return false;
 
+        boolean success = false;
+
         SQLiteDatabase db = getWritableDatabase();
-        ContentValues contentValues = new ContentValues();
-        contentValues.put(LoyaltyCardDbGroups.ID, newName);
+        ContentValues groupContentValues = new ContentValues();
+        groupContentValues.put(LoyaltyCardDbGroups.ID, newName);
+
+        ContentValues lookupContentValues = new ContentValues();
+        lookupContentValues.put(LoyaltyCardDbIdsGroups.groupID, newName);
+
+        db.beginTransaction();
         try {
-            int rowsUpdated = db.update(LoyaltyCardDbGroups.TABLE, contentValues,
+            // Update group name
+            int groupsChanged = db.update(LoyaltyCardDbGroups.TABLE, groupContentValues,
                     LoyaltyCardDbGroups.ID + "=?",
                     new String[]{groupName});
-            return (rowsUpdated == 1);
-        } catch (android.database.sqlite.SQLiteConstraintException _e) {
-            return false;
+
+            // Also update lookup tables
+            db.update(LoyaltyCardDbIdsGroups.TABLE, lookupContentValues,
+                    LoyaltyCardDbIdsGroups.groupID + "=?",
+                    new String[]{groupName});
+
+            if (groupsChanged == 1) {
+                db.setTransactionSuccessful();
+                success = true;
+            }
+        } catch (SQLiteException e) {
+        } finally {
+            db.endTransaction();
         }
+
+        return success;
     }
 
     public boolean deleteGroup(final String groupName)
     {
+        boolean success = false;
+
         SQLiteDatabase db = getWritableDatabase();
-        // Delete group
-        int rowsDeleted = db.delete(LoyaltyCardDbGroups.TABLE,
-                LoyaltyCardDbGroups.ID + " = ? ",
-                new String[]{groupName});
 
-        // And delete lookup table entries associated with this group
-        db.delete(LoyaltyCardDbIdsGroups.TABLE,
-                LoyaltyCardDbIdsGroups.groupID + " = ? ",
-                new String[]{groupName});
+        db.beginTransaction();
+        try {
+            // Delete group
+            int groupsDeleted = db.delete(LoyaltyCardDbGroups.TABLE,
+                    LoyaltyCardDbGroups.ID + " = ? ",
+                    new String[]{groupName});
 
-        return (rowsDeleted == 1);
+            // And delete lookup table entries associated with this group
+            db.delete(LoyaltyCardDbIdsGroups.TABLE,
+                    LoyaltyCardDbIdsGroups.groupID + " = ? ",
+                    new String[]{groupName});
+
+            if (groupsDeleted == 1) {
+                db.setTransactionSuccessful();
+                success = true;
+            }
+        } finally {
+            db.endTransaction();
+        }
+
+        return success;
     }
 
     public int getGroupCardCount(final String groupName)

app/src/main/java/protect/card_locker/DataFormat.java

@@ -2,7 +2,8 @@ package protect.card_locker;
 
 public enum DataFormat
 {
-    CSV,
-
+    Catima,
+    Fidme,
+    VoucherVault
     ;
 }

app/src/main/java/protect/card_locker/DatabaseImporter.java

@@ -1,19 +0,0 @@
-package protect.card_locker;
-
-import java.io.IOException;
-import java.io.InputStreamReader;
-
-/**
- * Interface for a class which can import the contents of a stream
- * into the database.
- */
-public interface DatabaseImporter
-{
-    /**
-     * Import data from the input stream in a given format into
-     * the database.
-     * @throws IOException
-     * @throws FormatException
-     */
-    void importData(DBHelper db, InputStreamReader input) throws IOException, FormatException, InterruptedException;
-}

app/src/main/java/protect/card_locker/GroupCursorAdapter.java

@@ -37,17 +37,20 @@ class GroupCursorAdapter extends CursorAdapter
     public void bindView(View view, Context context, Cursor cursor)
     {
         // Find fields to populate in inflated template
-        TextView nameField = (TextView) view.findViewById(R.id.name);
-        TextView countField = (TextView) view.findViewById(R.id.cardCount);
+        TextView nameField = view.findViewById(R.id.name);
+        TextView countField = view.findViewById(R.id.cardCount);
 
         // Extract properties from cursor
         Group group = Group.toGroup(cursor);
 
+        Integer groupCardCount = db.getGroupCardCount(group._id);
+
         // Populate fields with extracted properties
         nameField.setText(group._id);
-        countField.setText(String.format(context.getString(R.string.groupCardCount), db.getGroupCardCount(group._id)));
 
-        nameField.setTextSize(settings.getCardTitleListFontSize());
-        countField.setTextSize(settings.getCardNoteListFontSize());
+        countField.setText(context.getResources().getQuantityString(R.plurals.groupCardCount, groupCardCount, groupCardCount));
+
+        nameField.setTextSize(settings.getFontSizeMax(settings.getMediumFont()));
+        countField.setTextSize(settings.getFontSizeMax(settings.getSmallFont()));
     }
 }

app/src/main/java/protect/card_locker/ImportExportActivity.java

@@ -2,22 +2,12 @@ package protect.card_locker;
 
 import android.Manifest;
 import android.content.ActivityNotFoundException;
-import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.pm.PackageManager;
-import android.content.pm.ResolveInfo;
 import android.net.Uri;
 import android.os.AsyncTask;
 import android.os.Bundle;
-
-import androidx.core.app.ActivityCompat;
-import androidx.core.content.ContextCompat;
-import androidx.appcompat.app.ActionBar;
-import androidx.appcompat.app.AlertDialog;
-import androidx.appcompat.app.AppCompatActivity;
-import androidx.appcompat.widget.Toolbar;
-
 import android.util.Log;
 import android.view.MenuItem;
 import android.view.View;
@@ -30,7 +20,13 @@ import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
 import java.io.InputStream;
 import java.io.OutputStream;
-import java.util.List;
+
+import androidx.appcompat.app.ActionBar;
+import androidx.appcompat.app.AlertDialog;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.appcompat.widget.Toolbar;
+import androidx.core.app.ActivityCompat;
+import androidx.core.content.ContextCompat;
 
 public class ImportExportActivity extends AppCompatActivity
 {
@@ -38,10 +34,14 @@ public class ImportExportActivity extends AppCompatActivity
 
     private static final int PERMISSIONS_EXTERNAL_STORAGE = 1;
     private static final int CHOOSE_EXPORT_LOCATION = 2;
-    private static final int CHOOSE_EXPORTED_FILE = 3;
+    private static final int IMPORT = 3;
 
     private ImportExportTask importExporter;
 
+    private String importAlertTitle;
+    private String importAlertMessage;
+    private DataFormat importDataFormat;
+
     @Override
     protected void onCreate(Bundle savedInstanceState)
     {
@@ -96,18 +96,10 @@ public class ImportExportActivity extends AppCompatActivity
             @Override
             public void onClick(View v)
             {
-                chooseFileWithIntent(intentGetContentAction, CHOOSE_EXPORTED_FILE);
+                chooseImportType(intentGetContentAction);
             }
         });
 
-        if(isCallable(getApplicationContext(), intentGetContentAction) == false)
-        {
-            findViewById(R.id.dividerImportFilesystem).setVisibility(View.GONE);
-            findViewById(R.id.importOptionFilesystemTitle).setVisibility(View.GONE);
-            findViewById(R.id.importOptionFilesystemExplanation).setVisibility(View.GONE);
-            importFilesystem.setVisibility(View.GONE);
-        }
-
         // Check that there is an app that data can be imported from
         final Intent intentPickAction = new Intent(Intent.ACTION_PICK);
 
@@ -117,20 +109,60 @@ public class ImportExportActivity extends AppCompatActivity
             @Override
             public void onClick(View v)
             {
-                chooseFileWithIntent(intentPickAction, CHOOSE_EXPORTED_FILE);
+                chooseImportType(intentPickAction);
             }
         });
-
-        if(isCallable(getApplicationContext(), intentPickAction) == false)
-        {
-            findViewById(R.id.dividerImportApplication).setVisibility(View.GONE);
-            findViewById(R.id.importOptionApplicationTitle).setVisibility(View.GONE);
-            findViewById(R.id.importOptionApplicationExplanation).setVisibility(View.GONE);
-            importApplication.setVisibility(View.GONE);
-        }
     }
 
-    private void startImport(final InputStream target, final Uri targetUri)
+    private void chooseImportType(Intent baseIntent) {
+        AlertDialog.Builder builder = new AlertDialog.Builder(this);
+        builder.setTitle(R.string.chooseImportType)
+                .setItems(R.array.import_types_array, (dialog, which) -> {
+                    switch (which) {
+                        // Catima
+                        case 0:
+                            importAlertTitle = getString(R.string.importCatima);
+                            importAlertMessage = getString(R.string.importCatimaMessage);
+                            importDataFormat = DataFormat.Catima;
+                            break;
+                        // Fidme
+                        case 1:
+                            importAlertTitle = getString(R.string.importFidme);
+                            importAlertMessage = getString(R.string.importFidmeMessage);
+                            importDataFormat = DataFormat.Fidme;
+                            break;
+                        // Loyalty Card Keychain
+                        case 2:
+                            importAlertTitle = getString(R.string.importLoyaltyCardKeychain);
+                            importAlertMessage = getString(R.string.importLoyaltyCardKeychainMessage);
+                            importDataFormat = DataFormat.Catima;
+                            break;
+                        // Voucher Vault
+                        case 3:
+                            importAlertTitle = getString(R.string.importVoucherVault);
+                            importAlertMessage = getString(R.string.importVoucherVaultMessage);
+                            importDataFormat = DataFormat.VoucherVault;
+                            break;
+                        default:
+                            throw new IllegalArgumentException("Unknown DataFormat");
+                    }
+
+                    new AlertDialog.Builder(this)
+                            .setTitle(importAlertTitle)
+                            .setMessage(importAlertMessage)
+                            .setPositiveButton(R.string.ok, new DialogInterface.OnClickListener() {
+                                        @Override
+                                        public void onClick(DialogInterface dialog, int which) {
+                                            chooseFileWithIntent(baseIntent, IMPORT);
+                                        }
+                                    })
+                            .setNegativeButton(R.string.cancel, null)
+                            .show();
+                });
+        builder.show();
+    }
+
+    private void startImport(final InputStream target, final Uri targetUri, final DataFormat dataFormat)
     {
         ImportExportTask.TaskCompleteListener listener = new ImportExportTask.TaskCompleteListener()
         {
@@ -142,7 +174,7 @@ public class ImportExportActivity extends AppCompatActivity
         };
 
         importExporter = new ImportExportTask(ImportExportActivity.this,
-                DataFormat.CSV, target, listener);
+                dataFormat, target, listener);
         importExporter.execute();
     }
 
@@ -158,7 +190,7 @@ public class ImportExportActivity extends AppCompatActivity
         };
 
         importExporter = new ImportExportTask(ImportExportActivity.this,
-                DataFormat.CSV, target, listener);
+                DataFormat.Catima, target, listener);
         importExporter.execute();
     }
 
@@ -295,31 +327,6 @@ public class ImportExportActivity extends AppCompatActivity
         builder.create().show();
     }
 
-    /**
-     * Determines if there is at least one activity that can perform the given intent
-     */
-    private boolean isCallable(Context context, final Intent intent)
-    {
-        PackageManager manager = context.getPackageManager();
-        if(manager == null)
-        {
-            return false;
-        }
-
-        List<ResolveInfo> list = manager.queryIntentActivities(intent, PackageManager.MATCH_DEFAULT_ONLY);
-
-        for(ResolveInfo info : list)
-        {
-            if(info.activityInfo.exported)
-            {
-                // There is one activity which is available to be called
-                return true;
-            }
-        }
-
-        return false;
-    }
-
     private void chooseFileWithIntent(Intent intent, int requestCode)
     {
         try
@@ -328,6 +335,7 @@ public class ImportExportActivity extends AppCompatActivity
         }
         catch (ActivityNotFoundException e)
         {
+            Toast.makeText(getApplicationContext(), R.string.failedOpeningFileManager, Toast.LENGTH_LONG).show();
             Log.e(TAG, "No activity found to handle intent", e);
         }
     }
@@ -337,7 +345,7 @@ public class ImportExportActivity extends AppCompatActivity
     {
         super.onActivityResult(requestCode, resultCode, data);
 
-        if (resultCode != RESULT_OK || (requestCode != CHOOSE_EXPORT_LOCATION && requestCode != CHOOSE_EXPORTED_FILE))
+        if (resultCode != RESULT_OK)
         {
             Log.w(TAG, "Failed onActivityResult(), result=" + resultCode);
             return;
@@ -379,8 +387,9 @@ public class ImportExportActivity extends AppCompatActivity
                     reader = new FileInputStream(new File(uri.toString()));
                 }
 
-                Log.e(TAG, "Starting file export with: " + uri.toString());
-                startImport(reader, uri);
+                Log.e(TAG, "Starting file import with: " + uri.toString());
+
+                startImport(reader, uri, importDataFormat);
             }
         }
         catch(FileNotFoundException e)

app/src/main/java/protect/card_locker/ImportExportTask.java

@@ -8,11 +8,13 @@ import android.util.Log;
 
 import java.io.IOException;
 import java.io.InputStream;
-import java.io.InputStreamReader;
 import java.io.OutputStream;
 import java.io.OutputStreamWriter;
 import java.nio.charset.Charset;
 
+import protect.card_locker.importexport.MultiFormatExporter;
+import protect.card_locker.importexport.MultiFormatImporter;
+
 class ImportExportTask extends AsyncTask<Void, Void, Boolean>
 {
     private static final String TAG = "Catima";
@@ -58,16 +60,8 @@ class ImportExportTask extends AsyncTask<Void, Void, Boolean>
     {
         boolean result = false;
 
-        try
-        {
-            InputStreamReader reader = new InputStreamReader(stream, Charset.forName("UTF-8"));
-            result = MultiFormatImporter.importData(db, reader, format);
-            reader.close();
-        }
-        catch(IOException e)
-        {
-            Log.e(TAG, "Unable to import file", e);
-        }
+
+        result = MultiFormatImporter.importData(db, stream, format);
 
         Log.i(TAG, "Import result: " + result);
 

app/src/main/java/protect/card_locker/ImportURIHelper.java

@@ -3,12 +3,23 @@ package protect.card_locker;
 import android.content.Context;
 import android.content.Intent;
 import android.net.Uri;
+
+import com.google.zxing.BarcodeFormat;
+
 import java.io.InvalidObjectException;
+import java.math.BigDecimal;
+import java.util.Currency;
+import java.util.Date;
+import java.util.List;
 
 public class ImportURIHelper {
     private static final String STORE = DBHelper.LoyaltyCardDbIds.STORE;
     private static final String NOTE = DBHelper.LoyaltyCardDbIds.NOTE;
+    private static final String EXPIRY = DBHelper.LoyaltyCardDbIds.EXPIRY;
+    private static final String BALANCE = DBHelper.LoyaltyCardDbIds.BALANCE;
+    private static final String BALANCE_TYPE = DBHelper.LoyaltyCardDbIds.BALANCE_TYPE;
     private static final String CARD_ID = DBHelper.LoyaltyCardDbIds.CARD_ID;
+    private static final String BARCODE_ID = DBHelper.LoyaltyCardDbIds.BARCODE_ID;
     private static final String BARCODE_TYPE = DBHelper.LoyaltyCardDbIds.BARCODE_TYPE;
 
     private static final String HEADER_COLOR = DBHelper.LoyaltyCardDbIds.HEADER_COLOR;
@@ -19,6 +30,7 @@ public class ImportURIHelper {
     private final String oldHost;
     private final String oldPath;
     private final String shareText;
+    private final String shareMultipleText;
 
     public ImportURIHelper(Context context) {
         this.context = context;
@@ -27,6 +39,7 @@ public class ImportURIHelper {
         oldHost = "brarcher.github.io";
         oldPath = "/loyalty-card-locker/share";
         shareText = context.getResources().getString(R.string.intent_import_card_from_url_share_text);
+        shareMultipleText = context.getResources().getString(R.string.intent_import_card_from_url_share_multiple_text);
     }
 
     private boolean isImportUri(Uri uri) {
@@ -40,14 +53,39 @@ public class ImportURIHelper {
 
         try {
             // These values are allowed to be null
+            BarcodeFormat barcodeType = null;
+            Date expiry = null;
+            BigDecimal balance = new BigDecimal("0");
+            Currency balanceType = null;
             Integer headerColor = null;
-            Integer headerTextColor = null;
 
             String store = uri.getQueryParameter(STORE);
             String note = uri.getQueryParameter(NOTE);
             String cardId = uri.getQueryParameter(CARD_ID);
-            String barcodeType = uri.getQueryParameter(BARCODE_TYPE);
-            if (store == null || note == null || cardId == null || barcodeType == null) throw new InvalidObjectException("Not a valid import URI");
+            String barcodeId = uri.getQueryParameter(BARCODE_ID);
+            if (store == null || note == null || cardId == null) throw new InvalidObjectException("Not a valid import URI");
+
+            String unparsedBarcodeType = uri.getQueryParameter(BARCODE_TYPE);
+            if(unparsedBarcodeType != null && !unparsedBarcodeType.equals(""))
+            {
+                barcodeType = BarcodeFormat.valueOf(unparsedBarcodeType);
+            }
+
+            String unparsedBalance = uri.getQueryParameter(BALANCE);
+            if(unparsedBalance != null && !unparsedBalance.equals(""))
+            {
+                balance = new BigDecimal(unparsedBalance);
+            }
+            String unparsedBalanceType = uri.getQueryParameter(BALANCE_TYPE);
+            if (unparsedBalanceType != null && !unparsedBalanceType.equals(""))
+            {
+                balanceType = Currency.getInstance(unparsedBalanceType);
+            }
+            String unparsedExpiry = uri.getQueryParameter(EXPIRY);
+            if(unparsedExpiry != null && !unparsedExpiry.equals(""))
+            {
+                expiry = new Date(Long.parseLong(unparsedExpiry));
+            }
 
             String unparsedHeaderColor = uri.getQueryParameter(HEADER_COLOR);
             if(unparsedHeaderColor != null)
@@ -55,7 +93,7 @@ public class ImportURIHelper {
                 headerColor = Integer.parseInt(unparsedHeaderColor);
             }
 
-            return new LoyaltyCard(-1, store, note, cardId, barcodeType, headerColor, headerTextColor, 0);
+            return new LoyaltyCard(-1, store, note, expiry, balance, balanceType, cardId, barcodeId, barcodeType, headerColor, 0);
         } catch (NullPointerException | NumberFormatException ex) {
             throw new InvalidObjectException("Not a valid import URI");
         }
@@ -69,27 +107,55 @@ public class ImportURIHelper {
         uriBuilder.path(path);
         uriBuilder.appendQueryParameter(STORE, loyaltyCard.store);
         uriBuilder.appendQueryParameter(NOTE, loyaltyCard.note);
+        uriBuilder.appendQueryParameter(BALANCE, loyaltyCard.balance.toString());
+        if (loyaltyCard.balanceType != null) {
+            uriBuilder.appendQueryParameter(BALANCE_TYPE, loyaltyCard.balanceType.getCurrencyCode());
+        }
+        if (loyaltyCard.expiry != null) {
+            uriBuilder.appendQueryParameter(EXPIRY, String.valueOf(loyaltyCard.expiry.getTime()));
+        }
         uriBuilder.appendQueryParameter(CARD_ID, loyaltyCard.cardId);
-        uriBuilder.appendQueryParameter(BARCODE_TYPE, loyaltyCard.barcodeType);
-        if(loyaltyCard.headerColor != null)
-        {
+        if(loyaltyCard.barcodeId != null) {
+            uriBuilder.appendQueryParameter(BARCODE_ID, loyaltyCard.barcodeId);
+        }
+
+        if(loyaltyCard.barcodeType != null) {
+            uriBuilder.appendQueryParameter(BARCODE_TYPE, loyaltyCard.barcodeType.toString());
+        }
+        if(loyaltyCard.headerColor != null) {
             uriBuilder.appendQueryParameter(HEADER_COLOR, loyaltyCard.headerColor.toString());
         }
         //StarStatus will not be exported
         return uriBuilder.build();
     }
 
-    private void startShareIntent(Uri uri) {
+    public void startShareIntent(List<LoyaltyCard> loyaltyCards) {
+        int loyaltyCardCount = loyaltyCards.size();
+
+        StringBuilder text = new StringBuilder();
+        if (loyaltyCardCount == 1) {
+            text.append(shareText);
+        } else {
+            text.append(shareMultipleText);
+        }
+        text.append("\n\n");
+
+        for (int i = 0; i < loyaltyCardCount; i++) {
+            LoyaltyCard loyaltyCard = loyaltyCards.get(i);
+
+            text.append(loyaltyCard.store + ": " + toUri(loyaltyCard));
+
+            if (i < (loyaltyCardCount - 1)) {
+                text.append("\n\n");
+            }
+        }
+
         Intent sendIntent = new Intent();
         sendIntent.setAction(Intent.ACTION_SEND);
-        sendIntent.putExtra(Intent.EXTRA_TEXT, shareText + "\n" + uri.toString());
+        sendIntent.putExtra(Intent.EXTRA_TEXT, text.toString());
         sendIntent.setType("text/plain");
 
         Intent shareIntent = Intent.createChooser(sendIntent, null);
         context.startActivity(shareIntent);
     }
-
-    public void startShareIntent(LoyaltyCard loyaltyCard) {
-        startShareIntent(toUri(loyaltyCard));
-    }
 }

app/src/main/java/protect/card_locker/LoyaltyCard.java

@@ -2,6 +2,12 @@ package protect.card_locker;
 
 import android.database.Cursor;
 
+import com.google.zxing.BarcodeFormat;
+
+import java.math.BigDecimal;
+import java.util.Currency;
+import java.util.Date;
+
 import androidx.annotation.Nullable;
 
 public class LoyaltyCard
@@ -9,28 +15,36 @@ public class LoyaltyCard
     public final int id;
     public final String store;
     public final String note;
+    public final Date expiry;
+    public final BigDecimal balance;
+    public final Currency balanceType;
     public final String cardId;
-    public final String barcodeType;
+
+    @Nullable
+    public final String barcodeId;
+
+    public final BarcodeFormat barcodeType;
 
     @Nullable
     public final Integer headerColor;
 
-    @Nullable
-    public final Integer headerTextColor;
-
     public final int starStatus;
 
-    public LoyaltyCard(final int id, final String store, final String note, final String cardId,
-                       final String barcodeType, final Integer headerColor, final Integer headerTextColor,
+    public LoyaltyCard(final int id, final String store, final String note, final Date expiry,
+                       final BigDecimal balance, final Currency balanceType, final String cardId,
+                       final String barcodeId, final BarcodeFormat barcodeType, final Integer headerColor,
                        final int starStatus)
     {
         this.id = id;
         this.store = store;
         this.note = note;
+        this.expiry = expiry;
+        this.balance = balance;
+        this.balanceType = balanceType;
         this.cardId = cardId;
+        this.barcodeId = barcodeId;
         this.barcodeType = barcodeType;
         this.headerColor = headerColor;
-        this.headerTextColor = headerTextColor;
         this.starStatus = starStatus;
     }
 
@@ -39,27 +53,41 @@ public class LoyaltyCard
         int id = cursor.getInt(cursor.getColumnIndexOrThrow(DBHelper.LoyaltyCardDbIds.ID));
         String store = cursor.getString(cursor.getColumnIndexOrThrow(DBHelper.LoyaltyCardDbIds.STORE));
         String note = cursor.getString(cursor.getColumnIndexOrThrow(DBHelper.LoyaltyCardDbIds.NOTE));
+        long expiryLong = cursor.getLong(cursor.getColumnIndexOrThrow(DBHelper.LoyaltyCardDbIds.EXPIRY));
+        BigDecimal balance = new BigDecimal(cursor.getString(cursor.getColumnIndexOrThrow(DBHelper.LoyaltyCardDbIds.BALANCE)));
         String cardId = cursor.getString(cursor.getColumnIndexOrThrow(DBHelper.LoyaltyCardDbIds.CARD_ID));
-        String barcodeType = cursor.getString(cursor.getColumnIndexOrThrow(DBHelper.LoyaltyCardDbIds.BARCODE_TYPE));
+        String barcodeId = cursor.getString(cursor.getColumnIndexOrThrow(DBHelper.LoyaltyCardDbIds.BARCODE_ID));
         int starred = cursor.getInt(cursor.getColumnIndexOrThrow(DBHelper.LoyaltyCardDbIds.STAR_STATUS));
 
-
+        int barcodeTypeColumn = cursor.getColumnIndexOrThrow(DBHelper.LoyaltyCardDbIds.BARCODE_TYPE);
+        int balanceTypeColumn = cursor.getColumnIndexOrThrow(DBHelper.LoyaltyCardDbIds.BALANCE_TYPE);
         int headerColorColumn = cursor.getColumnIndexOrThrow(DBHelper.LoyaltyCardDbIds.HEADER_COLOR);
-        int headerTextColorColumn = cursor.getColumnIndexOrThrow(DBHelper.LoyaltyCardDbIds.HEADER_TEXT_COLOR);
 
+        BarcodeFormat barcodeType = null;
+        Currency balanceType = null;
+        Date expiry = null;
         Integer headerColor = null;
-        Integer headerTextColor = null;
+
+        if (cursor.isNull(barcodeTypeColumn) == false)
+        {
+            barcodeType = BarcodeFormat.valueOf(cursor.getString(barcodeTypeColumn));
+        }
+
+        if (cursor.isNull(balanceTypeColumn) == false)
+        {
+            balanceType = Currency.getInstance(cursor.getString(balanceTypeColumn));
+        }
+
+        if(expiryLong > 0)
+        {
+            expiry = new Date(expiryLong);
+        }
 
         if(cursor.isNull(headerColorColumn) == false)
         {
             headerColor = cursor.getInt(headerColorColumn);
         }
 
-        if(cursor.isNull(headerTextColorColumn) == false)
-        {
-            headerTextColor = cursor.getInt(headerTextColorColumn);
-        }
-
-        return new LoyaltyCard(id, store, note, cardId, barcodeType, headerColor, headerTextColor, starred);
+        return new LoyaltyCard(id, store, note, expiry, balance, balanceType, cardId, barcodeId, barcodeType, headerColor, starred);
     }
 }

app/src/main/java/protect/card_locker/LoyaltyCardAnimator.java

@@ -0,0 +1,37 @@
+package protect.card_locker;
+
+import android.animation.AnimatorInflater;
+import android.animation.AnimatorSet;
+import android.content.Context;
+import android.view.View;
+
+public class LoyaltyCardAnimator {
+
+    private static AnimatorSet selectedViewIn, defaultViewOut, selectedViewOut, defaultViewIn;
+
+    public static void flipView(Context inputContext, final View inputSelectedView, final View inputDefaultView, boolean inputItemSelected) {
+
+        selectedViewIn = (AnimatorSet) AnimatorInflater.loadAnimator(inputContext, R.animator.flip_left_in);
+        defaultViewOut = (AnimatorSet) AnimatorInflater.loadAnimator(inputContext, R.animator.flip_right_out);
+        selectedViewOut = (AnimatorSet) AnimatorInflater.loadAnimator(inputContext, R.animator.flip_left_out);
+        defaultViewIn = (AnimatorSet) AnimatorInflater.loadAnimator(inputContext, R.animator.flip_right_in);
+
+        final AnimatorSet showFrontAnim = new AnimatorSet();
+        final AnimatorSet showBackAnim = new AnimatorSet();
+
+        selectedViewIn.setTarget(inputSelectedView);
+        defaultViewOut.setTarget(inputDefaultView);
+        showFrontAnim.playTogether(selectedViewIn, defaultViewOut);
+
+        selectedViewOut.setTarget(inputSelectedView);
+        defaultViewIn.setTarget(inputDefaultView);
+        showBackAnim.playTogether(defaultViewIn, selectedViewOut);
+
+        if (inputItemSelected) {
+            showFrontAnim.start();
+        } else {
+            showBackAnim.start();
+        }
+    }
+
+}

app/src/main/java/protect/card_locker/LoyaltyCardCursorAdapter.java

@@ -4,73 +4,294 @@ import android.content.Context;
 import android.database.Cursor;
 import android.graphics.Color;
 import android.graphics.PorterDuff;
+import android.util.SparseBooleanArray;
+import android.view.HapticFeedbackConstants;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
-import android.widget.CursorAdapter;
 import android.widget.ImageView;
+import android.widget.LinearLayout;
+import android.widget.RelativeLayout;
 import android.widget.TextView;
+
+import java.math.BigDecimal;
+import java.text.DateFormat;
+import java.util.ArrayList;
+
+import androidx.cardview.widget.CardView;
+import androidx.constraintlayout.widget.ConstraintLayout;
+import androidx.recyclerview.widget.RecyclerView;
+import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
 import protect.card_locker.preferences.Settings;
 
-class LoyaltyCardCursorAdapter extends CursorAdapter
+public class LoyaltyCardCursorAdapter extends BaseCursorAdapter<LoyaltyCardCursorAdapter.LoyaltyCardListItemViewHolder>
 {
-    Settings settings;
-    boolean darkModeEnabled;
+    private static int mCurrentSelectedIndex = -1;
+    private Cursor mCursor;
+    Settings mSettings;
+    boolean mDarkModeEnabled;
+    private Context mContext;
+    private CardAdapterListener mListener;
+    private SparseBooleanArray mSelectedItems;
+    private SparseBooleanArray mAnimationItemsIndex;
+    private boolean mReverseAllAnimations = false;
 
-    public LoyaltyCardCursorAdapter(Context context, Cursor cursor)
+    public LoyaltyCardCursorAdapter(Context inputContext, Cursor inputCursor, CardAdapterListener inputListener)
     {
-        super(context, cursor, 0);
-        settings = new Settings(context);
-        darkModeEnabled= MainActivity.isDarkModeEnabled(context);
+        super(inputCursor);
+        mSettings = new Settings(inputContext);
+        mCursor = inputCursor;
+        mContext = inputContext;
+        mListener = inputListener;
+        mSelectedItems = new SparseBooleanArray();
+        mAnimationItemsIndex = new SparseBooleanArray();
 
+        mDarkModeEnabled = MainActivity.isDarkModeEnabled(inputContext);
     }
 
-    // The newView method is used to inflate a new view and return it,
-    // you don't bind any data to the view at this point.
     @Override
-    public View newView(Context context, Cursor cursor, ViewGroup parent)
+    public LoyaltyCardListItemViewHolder onCreateViewHolder(ViewGroup inputParent, int inputViewType)
     {
-        return LayoutInflater.from(context).inflate(R.layout.loyalty_card_layout, parent, false);
+        View itemView = LayoutInflater.from(inputParent.getContext()).inflate(R.layout.loyalty_card_layout, inputParent, false);
+        return new LoyaltyCardListItemViewHolder(itemView);
     }
 
-    // The bindView method is used to bind all data to a given view
-    // such as setting the text on a TextView.
-    @Override
-    public void bindView(View view, Context context, Cursor cursor)
+    public Cursor getCursor()
     {
-        // Find fields to populate in inflated template
-        ImageView thumbnail = view.findViewById(R.id.thumbnail);
-        TextView storeField = view.findViewById(R.id.store);
-        TextView noteField = view.findViewById(R.id.note);
-        ImageView star = view.findViewById(R.id.star);
+        return mCursor;
+    }
 
-        if(darkModeEnabled)
-        {
-            star.setColorFilter(Color.WHITE, PorterDuff.Mode.SRC_ATOP);
+    public void onBindViewHolder(LoyaltyCardListItemViewHolder inputHolder, Cursor inputCursor) {
+        if (mDarkModeEnabled) {
+            inputHolder.mStarIcon.setColorFilter(Color.WHITE, PorterDuff.Mode.SRC_ATOP);
         }
 
-        // Extract properties from cursor
-        LoyaltyCard loyaltyCard = LoyaltyCard.toLoyaltyCard(cursor);
+        LoyaltyCard loyaltyCard = LoyaltyCard.toLoyaltyCard(inputCursor);
 
-        // Populate fields with extracted properties
-        storeField.setText(loyaltyCard.store);
+        inputHolder.mStoreField.setText(loyaltyCard.store);
+        inputHolder.mStoreField.setTextSize(mSettings.getFontSizeMax(mSettings.getMediumFont()));
+        if (!loyaltyCard.note.isEmpty()) {
+            inputHolder.mNoteField.setVisibility(View.VISIBLE);
+            inputHolder.mNoteField.setText(loyaltyCard.note);
+            inputHolder.mNoteField.setTextSize(mSettings.getFontSizeMax(mSettings.getSmallFont()));
+        } else {
+            inputHolder.mNoteField.setVisibility(View.GONE);
+        }
 
-        storeField.setTextSize(settings.getCardTitleListFontSize());
+        if (!loyaltyCard.balance.equals(new BigDecimal("0"))) {
+            inputHolder.mBalanceField.setVisibility(View.VISIBLE);
+            inputHolder.mBalanceField.setText(mContext.getString(R.string.balanceSentence, Utils.formatBalance(mContext, loyaltyCard.balance, loyaltyCard.balanceType)));
+            inputHolder.mBalanceField.setTextSize(mSettings.getFontSizeMax(mSettings.getSmallFont()));
+        } else {
+            inputHolder.mBalanceField.setVisibility(View.GONE);
+        }
 
-        if(!loyaltyCard.note.isEmpty())
+        if (loyaltyCard.expiry != null)
         {
-            noteField.setVisibility(View.VISIBLE);
-            noteField.setText(loyaltyCard.note);
-            noteField.setTextSize(settings.getCardNoteListFontSize());
+            inputHolder.mExpiryField.setVisibility(View.VISIBLE);
+            int expiryString = R.string.expiryStateSentence;
+            if(Utils.hasExpired(loyaltyCard.expiry)) {
+                expiryString = R.string.expiryStateSentenceExpired;
+                inputHolder.mExpiryField.setTextColor(mContext.getResources().getColor(R.color.alert));
+            }
+            inputHolder.mExpiryField.setText(mContext.getString(expiryString, DateFormat.getDateInstance(DateFormat.LONG).format(loyaltyCard.expiry)));
+            inputHolder.mExpiryField.setTextSize(mSettings.getFontSizeMax(mSettings.getSmallFont()));
+        } else {
+            inputHolder.mExpiryField.setVisibility(View.GONE);
+        }
+
+        inputHolder.mStarIcon.setVisibility((loyaltyCard.starStatus != 0) ? View.VISIBLE : View.GONE);
+        inputHolder.mCardIcon.setImageBitmap(Utils.generateIcon(mContext, loyaltyCard.store, loyaltyCard.headerColor).getLetterTile());
+
+        inputHolder.itemView.setActivated(mSelectedItems.get(inputCursor.getPosition(), false));
+        applyIconAnimation(inputHolder, inputCursor.getPosition());
+        applyClickEvents(inputHolder, inputCursor.getPosition());
+
+    }
+
+    private void applyClickEvents(LoyaltyCardListItemViewHolder inputHolder, final int inputPosition)
+    {
+        inputHolder.mThumbnailContainer.setOnClickListener(new View.OnClickListener()
+        {
+            @Override
+            public void onClick(View inputView)
+            {
+                mListener.onIconClicked(inputPosition);
+            }
+        });
+
+        inputHolder.mRow.setOnClickListener(new View.OnClickListener()
+        {
+            @Override
+            public void onClick(View inputView)
+            {
+                mListener.onRowClicked(inputPosition);
+            }
+        });
+
+        inputHolder.mInformationContainer.setOnClickListener(new View.OnClickListener()
+        {
+            @Override
+            public void onClick(View inputView)
+            {
+                mListener.onRowClicked(inputPosition);
+            }
+        });
+
+        inputHolder.mRow.setOnLongClickListener(new View.OnLongClickListener()
+        {
+            @Override
+            public boolean onLongClick(View inputView)
+            {
+                mListener.onRowLongClicked(inputPosition);
+                inputView.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS);
+                return true;
+            }
+        });
+
+        inputHolder.mInformationContainer.setOnLongClickListener(new View.OnLongClickListener()
+        {
+            @Override
+            public boolean onLongClick(View inputView)
+            {
+                mListener.onRowLongClicked(inputPosition);
+                inputView.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS);
+                return true;
+            }
+        });
+    }
+
+    private void applyIconAnimation(LoyaltyCardListItemViewHolder inputHolder, int inputPosition)
+    {
+        if (mSelectedItems.get(inputPosition, false))
+        {
+            inputHolder.mThumbnailFrontContainer.setVisibility(View.GONE);
+            resetIconYAxis(inputHolder.mThumbnailBackContainer);
+            inputHolder.mThumbnailBackContainer.setVisibility(View.VISIBLE);
+            inputHolder.mThumbnailBackContainer.setAlpha(1);
+            if (mCurrentSelectedIndex == inputPosition)
+            {
+                LoyaltyCardAnimator.flipView(mContext, inputHolder.mThumbnailBackContainer, inputHolder.mThumbnailFrontContainer, true);
+                resetCurrentIndex();
+            }
         }
         else
         {
-            noteField.setVisibility(View.GONE);
+            inputHolder.mThumbnailBackContainer.setVisibility(View.GONE);
+            resetIconYAxis(inputHolder.mThumbnailFrontContainer);
+            inputHolder.mThumbnailFrontContainer.setVisibility(View.VISIBLE);
+            inputHolder.mThumbnailFrontContainer.setAlpha(1);
+            if ((mReverseAllAnimations && mAnimationItemsIndex.get(inputPosition, false)) || mCurrentSelectedIndex == inputPosition)
+            {
+                LoyaltyCardAnimator.flipView(mContext, inputHolder.mThumbnailBackContainer, inputHolder.mThumbnailFrontContainer, false);
+                resetCurrentIndex();
+            }
+        }
+    }
+
+    private void resetIconYAxis(View inputView)
+    {
+        if (inputView.getRotationY() != 0)
+        {
+            inputView.setRotationY(0);
+        }
+    }
+
+    public void resetAnimationIndex()
+    {
+        mReverseAllAnimations = false;
+        mAnimationItemsIndex.clear();
+    }
+
+    @SuppressFBWarnings("ST_WRITE_TO_STATIC_FROM_INSTANCE_METHOD")
+    public void toggleSelection(int inputPosition)
+    {
+        mCurrentSelectedIndex = inputPosition;
+        if (mSelectedItems.get(inputPosition, false))
+        {
+            mSelectedItems.delete(inputPosition);
+            mAnimationItemsIndex.delete(inputPosition);
+        }
+        else
+        {
+            mSelectedItems.put(inputPosition, true);
+            mAnimationItemsIndex.put(inputPosition, true);
+        }
+        notifyItemChanged(inputPosition);
+    }
+
+    public void clearSelections()
+    {
+        mReverseAllAnimations = true;
+        mSelectedItems.clear();
+        notifyDataSetChanged();
+    }
+
+    public int getSelectedItemCount()
+    {
+        return mSelectedItems.size();
+    }
+
+    public ArrayList<LoyaltyCard> getSelectedItems()
+    {
+
+        ArrayList<LoyaltyCard> result = new ArrayList<>();
+
+        int i;
+        for(i = 0; i < mSelectedItems.size(); i++)
+        {
+            mCursor.moveToPosition(mSelectedItems.keyAt(i));
+            result.add(LoyaltyCard.toLoyaltyCard(mCursor));
         }
 
-        if (loyaltyCard.starStatus!=0) star.setVisibility(View.VISIBLE);
-            else star.setVisibility(View.GONE);
-
-        thumbnail.setImageBitmap(Utils.generateIcon(context, loyaltyCard.store, loyaltyCard.headerColor).getLetterTile());
+        return result;
     }
-}
+
+    private void resetCurrentIndex()
+    {
+        mCurrentSelectedIndex = -1;
+    }
+
+    public interface CardAdapterListener
+    {
+        void onIconClicked(int inputPosition);
+        void onRowClicked(int inputPosition);
+        void onRowLongClicked(int inputPosition);
+    }
+
+    public class LoyaltyCardListItemViewHolder extends RecyclerView.ViewHolder implements View.OnLongClickListener
+    {
+
+        public TextView mStoreField, mNoteField, mBalanceField, mExpiryField;
+        public LinearLayout mInformationContainer;
+        public ImageView mCardIcon, mStarIcon;
+        public CardView mThumbnailContainer;
+        public ConstraintLayout mRow;
+        public RelativeLayout mThumbnailFrontContainer, mThumbnailBackContainer;
+
+        public LoyaltyCardListItemViewHolder(View inputView)
+        {
+            super(inputView);
+            mThumbnailContainer = inputView.findViewById(R.id.thumbnail_container);
+            mRow = inputView.findViewById(R.id.row);
+            mThumbnailFrontContainer = inputView.findViewById(R.id.thumbnail_front);
+            mThumbnailBackContainer = inputView.findViewById(R.id.thumbnail_back);
+            mInformationContainer = inputView.findViewById(R.id.information_container);
+            mStoreField = inputView.findViewById(R.id.store);
+            mNoteField = inputView.findViewById(R.id.note);
+            mBalanceField = inputView.findViewById(R.id.balance);
+            mExpiryField = inputView.findViewById(R.id.expiry);
+            mCardIcon = inputView.findViewById(R.id.thumbnail);
+            mStarIcon = inputView.findViewById(R.id.star);
+            inputView.setOnLongClickListener(this);
+        }
+
+        @Override
+        public boolean onLongClick(View inputView)
+        {
+            mListener.onRowLongClicked(getAdapterPosition());
+            inputView.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS);
+            return true;
+        }
+    }
+}

app/src/main/java/protect/card_locker/LoyaltyCardLockerApplication.java

@@ -1,8 +1,8 @@
 package protect.card_locker;
 
 import android.app.Application;
-import androidx.appcompat.app.AppCompatDelegate;
 
+import androidx.appcompat.app.AppCompatDelegate;
 import protect.card_locker.preferences.Settings;
 
 public class LoyaltyCardLockerApplication extends Application {

app/src/main/java/protect/card_locker/LoyaltyCardViewActivity.java

@@ -2,34 +2,44 @@ package protect.card_locker;
 
 import android.content.Intent;
 import android.content.pm.ActivityInfo;
+import android.content.res.Configuration;
 import android.graphics.Color;
 import android.graphics.drawable.Drawable;
 import android.os.Build;
 import android.os.Bundle;
-
-import androidx.constraintlayout.widget.ConstraintLayout;
-import androidx.core.graphics.drawable.DrawableCompat;
-import androidx.core.widget.TextViewCompat;
-import androidx.appcompat.app.ActionBar;
-import androidx.appcompat.app.AppCompatActivity;
-import androidx.appcompat.content.res.AppCompatResources;
-import androidx.appcompat.widget.Toolbar;
+import android.util.DisplayMetrics;
 import android.util.Log;
 import android.util.TypedValue;
 import android.view.Menu;
 import android.view.MenuItem;
 import android.view.View;
-import android.view.ViewGroup;
 import android.view.ViewTreeObserver;
 import android.view.Window;
 import android.view.WindowManager;
+import android.widget.ImageButton;
 import android.widget.ImageView;
+import android.widget.SeekBar;
 import android.widget.TextView;
 import android.widget.Toast;
 
+import com.google.android.material.appbar.AppBarLayout;
+import com.google.android.material.bottomsheet.BottomSheetBehavior;
 import com.google.android.material.floatingactionbutton.FloatingActionButton;
 import com.google.zxing.BarcodeFormat;
 
+import java.math.BigDecimal;
+import java.text.DateFormat;
+import java.util.Arrays;
+import java.util.List;
+
+import androidx.annotation.NonNull;
+import androidx.appcompat.app.ActionBar;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.appcompat.content.res.AppCompatResources;
+import androidx.appcompat.widget.Toolbar;
+import androidx.constraintlayout.widget.Guideline;
+import androidx.core.graphics.drawable.DrawableCompat;
+import androidx.core.widget.TextViewCompat;
 import protect.card_locker.preferences.Settings;
 
 public class LoyaltyCardViewActivity extends AppCompatActivity
@@ -37,11 +47,19 @@ public class LoyaltyCardViewActivity extends AppCompatActivity
     private static final String TAG = "Catima";
 
     TextView cardIdFieldView;
+    BottomSheetBehavior behavior;
+    View bottomSheet;
+    ImageView bottomSheetButton;
     TextView noteView;
-    View noteViewDivider;
+    TextView groupsView;
+    TextView balanceView;
+    TextView expiryView;
     TextView storeName;
+    ImageButton maximizeButton;
     ImageView barcodeImage;
+    ImageButton minimizeButton;
     View collapsingToolbarLayout;
+    AppBarLayout appBarLayout;
     int loyaltyCardId;
     LoyaltyCard loyaltyCard;
     boolean rotationEnabled;
@@ -50,12 +68,17 @@ public class LoyaltyCardViewActivity extends AppCompatActivity
     Settings settings;
 
     String cardIdString;
+    String barcodeIdString;
     BarcodeFormat format;
 
+    FloatingActionButton editButton;
+
+    Guideline centerGuideline;
+    SeekBar barcodeScaler;
+
     boolean starred;
     boolean backgroundNeedsDarkIcons;
     boolean barcodeIsFullscreen = false;
-    ViewGroup.LayoutParams barcodeImageState;
 
     private void extractIntentFields(Intent intent)
     {
@@ -67,6 +90,7 @@ public class LoyaltyCardViewActivity extends AppCompatActivity
     private Drawable getIcon(int icon, boolean dark)
     {
         Drawable unwrappedIcon = AppCompatResources.getDrawable(this, icon);
+        assert unwrappedIcon != null;
         Drawable wrappedIcon = DrawableCompat.wrap(unwrappedIcon);
         if(dark)
         {
@@ -91,39 +115,102 @@ public class LoyaltyCardViewActivity extends AppCompatActivity
 
         setContentView(R.layout.loyalty_card_view_layout);
 
-        Toolbar toolbar = findViewById(R.id.toolbar);
-        setSupportActionBar(toolbar);
-        ActionBar actionBar = getSupportActionBar();
-        if(actionBar != null)
-        {
-            actionBar.setDisplayHomeAsUpEnabled(true);
-        }
-
         db = new DBHelper(this);
         importURIHelper = new ImportURIHelper(this);
 
         cardIdFieldView = findViewById(R.id.cardIdView);
+        bottomSheet = findViewById(R.id.bottom_sheet);
+        bottomSheetButton = findViewById(R.id.bottomSheetButton);
         noteView = findViewById(R.id.noteView);
-        noteViewDivider = findViewById(R.id.noteViewDivider);
+        groupsView = findViewById(R.id.groupsView);
+        balanceView = findViewById(R.id.balanceView);
+        expiryView = findViewById(R.id.expiryView);
         storeName = findViewById(R.id.storeName);
+        maximizeButton = findViewById(R.id.maximizeButton);
         barcodeImage = findViewById(R.id.barcode);
+        minimizeButton = findViewById(R.id.minimizeButton);
         collapsingToolbarLayout = findViewById(R.id.collapsingToolbarLayout);
+        appBarLayout = findViewById(R.id.app_bar_layout);
+
+        centerGuideline = findViewById(R.id.centerGuideline);
+        centerGuideline.setGuidelinePercent(0.5f);
+        barcodeScaler = findViewById(R.id.barcodeScaler);
+        barcodeScaler.setProgress(100);
+        barcodeScaler.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
+            @Override
+            public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
+                Log.d(TAG, "Progress is " + progress);
+                Log.d(TAG, "Max is " + barcodeScaler.getMax());
+                float scale = (float) progress / (float) barcodeScaler.getMax();
+                Log.d(TAG, "Scaling to " + scale);
+
+                redrawBarcodeAfterResize();
+                centerGuideline.setGuidelinePercent(0.5f * scale);
+            }
+
+            @Override
+            public void onStartTrackingTouch(SeekBar seekBar) {
+
+            }
+
+            @Override
+            public void onStopTrackingTouch(SeekBar seekBar) {
+
+            }
+        });
 
         rotationEnabled = true;
 
         // Allow making barcode fullscreen on tap
-        barcodeImage.setOnClickListener(new View.OnClickListener() {
+        maximizeButton.setOnClickListener(v -> setFullscreen(true));
+        barcodeImage.setOnClickListener(view -> {
+            if (barcodeIsFullscreen)
+            {
+                setFullscreen(false);
+            }
+            else
+            {
+                setFullscreen(true);
+            }
+        });
+        minimizeButton.setOnClickListener(v -> setFullscreen(false));
+
+        editButton = findViewById(R.id.fabEdit);
+        editButton.setOnClickListener(v -> {
+            Intent intent = new Intent(getApplicationContext(), LoyaltyCardEditActivity.class);
+            Bundle bundle = new Bundle();
+            bundle.putInt("id", loyaltyCardId);
+            bundle.putBoolean("update", true);
+            intent.putExtras(bundle);
+            startActivity(intent);
+            finish();
+        });
+
+        behavior = BottomSheetBehavior.from(bottomSheet);
+        behavior.addBottomSheetCallback(new BottomSheetBehavior.BottomSheetCallback() {
             @Override
-            public void onClick(View view) {
-                if(barcodeIsFullscreen)
-                {
-                    setFullscreen(false);
-                }
-                else
-                {
-                    setFullscreen(true);
+            public void onStateChanged(@NonNull View bottomSheet, int newState) {
+                if (newState == BottomSheetBehavior.STATE_DRAGGING) {
+                    editButton.hide();
+                } else if (newState == BottomSheetBehavior.STATE_EXPANDED) {
+                    bottomSheetButton.setImageResource(R.drawable.ic_baseline_arrow_drop_down_24);
+                    editButton.hide();
+                } else if (newState == BottomSheetBehavior.STATE_COLLAPSED) {
+                    bottomSheetButton.setImageResource(R.drawable.ic_baseline_arrow_drop_up_24);
+                    editButton.show();
                 }
             }
+
+            @Override
+            public void onSlide(@NonNull View bottomSheet, float slideOffset) { }
+        });
+
+        bottomSheetButton.setOnClickListener(v -> {
+            if (behavior.getState() == BottomSheetBehavior.STATE_EXPANDED) {
+                behavior.setState(BottomSheetBehavior.STATE_COLLAPSED);
+            } else {
+                behavior.setState(BottomSheetBehavior.STATE_EXPANDED);
+            }
         });
     }
 
@@ -143,23 +230,28 @@ public class LoyaltyCardViewActivity extends AppCompatActivity
 
         Log.i(TAG, "To view card: " + loyaltyCardId);
 
-        if(barcodeIsFullscreen)
-        {
-            // Completely reset state
-            //
-            // This prevents the barcode from taking up the entire screen
-            // on resume and thus being stretched out of proportion.
-            recreate();
-        }
-
         // The brightness value is on a scale from [0, ..., 1], where
         // '1' is the brightest. We attempt to maximize the brightness
         // to help barcode readers scan the barcode.
         Window window = getWindow();
-        if(window != null && settings.useMaxBrightnessDisplayingBarcode())
+        if(window != null)
         {
             WindowManager.LayoutParams attributes = window.getAttributes();
-            attributes.screenBrightness = 1F;
+
+            if (settings.useMaxBrightnessDisplayingBarcode())
+            {
+                attributes.screenBrightness = 1F;
+            }
+
+            if (settings.getKeepScreenOn()) {
+                window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
+            }
+
+            if (settings.getDisableLockscreenWhileViewingCard()) {
+                window.addFlags(WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD|
+                        WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
+            }
+
             window.setAttributes(attributes);
         }
 
@@ -172,30 +264,79 @@ public class LoyaltyCardViewActivity extends AppCompatActivity
             return;
         }
 
-        String formatString = loyaltyCard.barcodeType;
-        format = !formatString.isEmpty() ? BarcodeFormat.valueOf(formatString) : null;
+        setupOrientation();
+
+        format = loyaltyCard.barcodeType;
         cardIdString = loyaltyCard.cardId;
+        barcodeIdString = loyaltyCard.barcodeId;
 
         cardIdFieldView.setText(loyaltyCard.cardId);
         TextViewCompat.setAutoSizeTextTypeUniformWithConfiguration(cardIdFieldView,
-                getResources().getInteger(R.integer.settings_card_id_min_font_size_sp)-1, settings.getCardIdFontSize(),
+                settings.getFontSizeMin(settings.getLargeFont()), settings.getFontSizeMax(settings.getLargeFont()),
                 1, TypedValue.COMPLEX_UNIT_SP);
 
         if(loyaltyCard.note.length() > 0)
         {
+            noteView.setVisibility(View.VISIBLE);
             noteView.setText(loyaltyCard.note);
-            TextViewCompat.setAutoSizeTextTypeUniformWithConfiguration(noteView,
-                    getResources().getInteger(R.integer.settings_card_note_min_font_size_sp)-1,
-                    settings.getCardNoteFontSize(), 1, TypedValue.COMPLEX_UNIT_SP);
+            noteView.setTextSize(settings.getFontSizeMax(settings.getMediumFont()));
         }
         else
         {
             noteView.setVisibility(View.GONE);
-            noteViewDivider.setVisibility(View.GONE);
+        }
+
+        List<Group> loyaltyCardGroups = db.getLoyaltyCardGroups(loyaltyCardId);
+
+        if(loyaltyCardGroups.size() > 0) {
+            StringBuilder groupsString = new StringBuilder();
+            for (Group group : loyaltyCardGroups) {
+                groupsString.append(group._id);
+                groupsString.append(" ");
+            }
+
+            groupsView.setVisibility(View.VISIBLE);
+            groupsView.setText(getString(R.string.groupsList, groupsString.toString()));
+            groupsView.setTextSize(settings.getFontSizeMax(settings.getMediumFont()));
+        }
+        else
+        {
+            groupsView.setVisibility(View.GONE);
+        }
+
+        if(!loyaltyCard.balance.equals(new BigDecimal(0))) {
+            balanceView.setVisibility(View.VISIBLE);
+            balanceView.setText(getString(R.string.balanceSentence, Utils.formatBalance(this, loyaltyCard.balance, loyaltyCard.balanceType)));
+            balanceView.setTextSize(settings.getFontSizeMax(settings.getMediumFont()));
+        }
+        else
+        {
+            balanceView.setVisibility(View.GONE);
+        }
+
+        if(loyaltyCard.expiry != null) {
+            expiryView.setVisibility(View.VISIBLE);
+
+            int expiryString = R.string.expiryStateSentence;
+            if(Utils.hasExpired(loyaltyCard.expiry)) {
+                expiryString = R.string.expiryStateSentenceExpired;
+                expiryView.setTextColor(getResources().getColor(R.color.alert));
+            }
+            expiryView.setText(getString(expiryString, DateFormat.getDateInstance(DateFormat.LONG).format(loyaltyCard.expiry)));
+            expiryView.setTextSize(settings.getFontSizeMax(settings.getMediumFont()));
+        }
+        else
+        {
+            expiryView.setVisibility(View.GONE);
+        }
+        expiryView.setTag(loyaltyCard.expiry);
+
+        if (!barcodeIsFullscreen) {
+            makeBottomSheetVisibleIfUseful();
         }
 
         storeName.setText(loyaltyCard.store);
-        storeName.setTextSize(settings.getCardTitleFontSize());
+        storeName.setTextSize(settings.getFontSizeMax(settings.getLargeFont()));
 
         int backgroundHeaderColor;
         if(loyaltyCard.headerColor != null)
@@ -208,6 +349,7 @@ public class LoyaltyCardViewActivity extends AppCompatActivity
         }
 
         collapsingToolbarLayout.setBackgroundColor(backgroundHeaderColor);
+        appBarLayout.setBackgroundColor(backgroundHeaderColor);
 
         int textColor;
         if(Utils.needsDarkForeground(backgroundHeaderColor))
@@ -219,6 +361,7 @@ public class LoyaltyCardViewActivity extends AppCompatActivity
             textColor = Color.WHITE;
         }
         storeName.setTextColor(textColor);
+        ((Toolbar) findViewById(R.id.toolbar_landscape)).setTitleTextColor(textColor);
 
         // If the background is very bright, we should use dark icons
         backgroundNeedsDarkIcons = Utils.needsDarkForeground(backgroundHeaderColor);
@@ -241,51 +384,48 @@ public class LoyaltyCardViewActivity extends AppCompatActivity
         // Set shadow colour of store text so even same color on same color would be readable
         storeName.setShadowLayer(1, 1, 1, backgroundNeedsDarkIcons ? Color.BLACK : Color.WHITE);
 
-        if(format != null)
+        Boolean isBarcodeSupported = true;
+
+        if (format != null && !BarcodeSelectorActivity.SUPPORTED_BARCODE_TYPES.contains(format.name())) {
+            isBarcodeSupported = false;
+
+            Toast.makeText(this, getString(R.string.unsupportedBarcodeType), Toast.LENGTH_LONG).show();
+        }
+
+        if(format != null && isBarcodeSupported)
         {
-            findViewById(R.id.barcode).setVisibility(View.VISIBLE);
+            if (!barcodeIsFullscreen) {
+                maximizeButton.setVisibility(View.VISIBLE);
+            }
+            barcodeImage.setVisibility(View.VISIBLE);
             if(barcodeImage.getHeight() == 0)
             {
                 Log.d(TAG, "ImageView size is not known known at start, waiting for load");
                 // The size of the ImageView is not yet available as it has not
                 // yet been drawn. Wait for it to be drawn so the size is available.
-                barcodeImage.getViewTreeObserver().addOnGlobalLayoutListener(
-                        new ViewTreeObserver.OnGlobalLayoutListener()
-                        {
-                            @Override
-                            public void onGlobalLayout()
-                            {
-                                barcodeImage.getViewTreeObserver().removeOnGlobalLayoutListener(this);
-
-                                Log.d(TAG, "ImageView size now known");
-                                new BarcodeImageWriterTask(barcodeImage, cardIdString, format).execute();
-                            }
-                        });
+                redrawBarcodeAfterResize();
             }
             else
             {
                 Log.d(TAG, "ImageView size known known, creating barcode");
-                new BarcodeImageWriterTask(barcodeImage, cardIdString, format).execute();
+                new BarcodeImageWriterTask(
+                    barcodeImage,
+                    barcodeIdString != null ? barcodeIdString : cardIdString,
+                    format,
+                    null,
+                    false,
+                    null)
+                .execute();
             }
+
+            // Force redraw fullscreen state
+            setFullscreen(barcodeIsFullscreen);
         }
         else
         {
-            findViewById(R.id.barcode).setVisibility(View.GONE);
+            maximizeButton.setVisibility(View.GONE);
+            barcodeImage.setVisibility(View.GONE);
         }
-
-        FloatingActionButton editButton = findViewById(R.id.fabEdit);
-        editButton.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                Intent intent = new Intent(getApplicationContext(), LoyaltyCardEditActivity.class);
-                Bundle bundle = new Bundle();
-                bundle.putInt("id", loyaltyCardId);
-                bundle.putBoolean("update", true);
-                intent.putExtras(bundle);
-                startActivity(intent);
-                finish();
-            }
-        });
     }
 
     @Override
@@ -297,7 +437,6 @@ public class LoyaltyCardViewActivity extends AppCompatActivity
         }
 
         super.onBackPressed();
-        return;
     }
 
     @Override
@@ -349,7 +488,7 @@ public class LoyaltyCardViewActivity extends AppCompatActivity
                 break;
 
             case R.id.action_share:
-                importURIHelper.startShareIntent(loyaltyCard);
+                importURIHelper.startShareIntent(Arrays.asList(loyaltyCard));
                 return true;
 
             case R.id.action_lock_unlock:
@@ -374,7 +513,40 @@ public class LoyaltyCardViewActivity extends AppCompatActivity
         return super.onOptionsItemSelected(item);
     }
 
+    private void setupOrientation()
+    {
+        Toolbar portraitToolbar = findViewById(R.id.toolbar);
+        Toolbar landscapeToolbar = findViewById(R.id.toolbar_landscape);
 
+        int orientation = getResources().getConfiguration().orientation;
+        if (orientation == Configuration.ORIENTATION_LANDSCAPE) {
+            Log.d(TAG, "Detected landscape mode");
+
+            setTitle(loyaltyCard.store);
+
+            collapsingToolbarLayout.setVisibility(View.GONE);
+            portraitToolbar.setVisibility(View.GONE);
+            landscapeToolbar.setVisibility(View.VISIBLE);
+
+            setSupportActionBar(landscapeToolbar);
+        } else {
+            Log.d(TAG, "Detected portrait mode");
+
+            setTitle("");
+
+            collapsingToolbarLayout.setVisibility(View.VISIBLE);
+            portraitToolbar.setVisibility(View.VISIBLE);
+            landscapeToolbar.setVisibility(View.GONE);
+
+            setSupportActionBar(portraitToolbar);
+        }
+
+        ActionBar actionBar = getSupportActionBar();
+        if(actionBar != null)
+        {
+            actionBar.setDisplayHomeAsUpEnabled(true);
+        }
+    }
     private void setOrientatonLock(MenuItem item, boolean lock)
     {
         if(lock)
@@ -392,6 +564,40 @@ public class LoyaltyCardViewActivity extends AppCompatActivity
         }
     }
 
+    private void makeBottomSheetVisibleIfUseful()
+    {
+        if (noteView.getVisibility() == View.VISIBLE || groupsView.getVisibility() == View.VISIBLE || balanceView.getVisibility() == View.VISIBLE || expiryView.getVisibility() == View.VISIBLE) {
+            bottomSheet.setVisibility(View.VISIBLE);
+        }
+        else
+        {
+            bottomSheet.setVisibility(View.GONE);
+        }
+    }
+
+    private void redrawBarcodeAfterResize()
+    {
+        if (format != null) {
+            barcodeImage.getViewTreeObserver().addOnGlobalLayoutListener(
+                    new ViewTreeObserver.OnGlobalLayoutListener() {
+                        @Override
+                        public void onGlobalLayout() {
+                            barcodeImage.getViewTreeObserver().removeOnGlobalLayoutListener(this);
+
+                            Log.d(TAG, "ImageView size now known");
+                            new BarcodeImageWriterTask(
+                                barcodeImage,
+                                barcodeIdString != null ? barcodeIdString : cardIdString,
+                                format,
+                                null,
+                                false,
+                                null)
+                            .execute();
+                        }
+                    });
+        };
+    }
+
     /**
      * When enabled, hides the status bar and moves the barcode to the top of the screen.
      *
@@ -401,10 +607,16 @@ public class LoyaltyCardViewActivity extends AppCompatActivity
     private void setFullscreen(boolean enable)
     {
         ActionBar actionBar = getSupportActionBar();
-        if(enable && !barcodeIsFullscreen)
+        if(enable)
         {
-            // Save previous barcodeImage state
-            barcodeImageState = barcodeImage.getLayoutParams();
+            Log.d(TAG, "Move into of fullscreen");
+            // Prepare redraw after size change
+            redrawBarcodeAfterResize();
+
+            // Hide maximize and show minimize button and scaler
+            maximizeButton.setVisibility(View.GONE);
+            minimizeButton.setVisibility(View.VISIBLE);
+            barcodeScaler.setVisibility(View.VISIBLE);
 
             // Hide actionbar
             if(actionBar != null)
@@ -412,55 +624,73 @@ public class LoyaltyCardViewActivity extends AppCompatActivity
                 actionBar.hide();
             }
 
-            // Hide collapsingToolbar
+            // Hide toolbars
+            //
+            // Appbar needs to be invisible and have padding removed
+            // Or the barcode will be centered instead of on top of the screen
+            // Don't ask me why...
+            appBarLayout.setVisibility(View.INVISIBLE);
+            appBarLayout.setPadding(0, 0, 0, 0);
             collapsingToolbarLayout.setVisibility(View.GONE);
+            findViewById(R.id.toolbar_landscape).setVisibility(View.GONE);
+
+            // Hide other UI elements
+            cardIdFieldView.setVisibility(View.GONE);
+            bottomSheet.setVisibility(View.GONE);
+            behavior.setState(BottomSheetBehavior.STATE_COLLAPSED);
+            editButton.hide();
 
             // Set Android to fullscreen mode
             getWindow().getDecorView().setSystemUiVisibility(
-                getWindow().getDecorView().getSystemUiVisibility()
-                | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY
-                | View.SYSTEM_UI_FLAG_FULLSCREEN
+                    getWindow().getDecorView().getSystemUiVisibility()
+                            | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY
+                            | View.SYSTEM_UI_FLAG_FULLSCREEN
             );
 
-            // Make barcode take all space
-            barcodeImage.setLayoutParams(new ConstraintLayout.LayoutParams(
-                ConstraintLayout.LayoutParams.MATCH_PARENT,
-                ConstraintLayout.LayoutParams.MATCH_PARENT
-            ));
-
-            // Move barcode to top
-            barcodeImage.setScaleType(ImageView.ScaleType.FIT_START);
-
-            // Prevent centering
-            barcodeImage.setAdjustViewBounds(false);
-
             // Set current state
             barcodeIsFullscreen = true;
         }
-        else if(!enable && barcodeIsFullscreen)
+        else if(!enable)
         {
+            Log.d(TAG, "Move out of fullscreen");
+
+            // Reset center guideline
+            barcodeScaler.setProgress(100);
+
+            // Prepare redraw after size change
+            redrawBarcodeAfterResize();
+
+            // Show maximize and hide minimize button and scaler
+            maximizeButton.setVisibility(View.VISIBLE);
+            minimizeButton.setVisibility(View.GONE);
+            barcodeScaler.setVisibility(View.GONE);
+
             // Show actionbar
             if(actionBar != null)
             {
                 actionBar.show();
             }
 
-            // Show collapsingToolbar
-            collapsingToolbarLayout.setVisibility(View.VISIBLE);
+            // Show appropriate toolbar
+            // And restore 24dp paddingTop for appBarLayout
+            appBarLayout.setVisibility(View.VISIBLE);
+            DisplayMetrics metrics = new DisplayMetrics();
+            getWindowManager().getDefaultDisplay().getMetrics(metrics);
+            appBarLayout.setPadding(0, (int) Math.ceil(metrics.density * 24), 0, 0);
+            setupOrientation();
+
+            // Show other UI elements
+            cardIdFieldView.setVisibility(View.VISIBLE);
+            makeBottomSheetVisibleIfUseful();
+            editButton.show();
 
             // Unset fullscreen mode
             getWindow().getDecorView().setSystemUiVisibility(
-                getWindow().getDecorView().getSystemUiVisibility()
-                & ~View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY
-                & ~View.SYSTEM_UI_FLAG_FULLSCREEN
+                    getWindow().getDecorView().getSystemUiVisibility()
+                            & ~View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY
+                            & ~View.SYSTEM_UI_FLAG_FULLSCREEN
             );
 
-            // Turn barcode back to normal
-            barcodeImage.setLayoutParams(barcodeImageState);
-
-            // Fix barcode centering
-            barcodeImage.setAdjustViewBounds(true);
-
             // Set current state
             barcodeIsFullscreen = false;
         }

app/src/main/java/protect/card_locker/MainActivity.java

@@ -4,66 +4,154 @@ import android.app.SearchManager;
 import android.content.ClipData;
 import android.content.ClipboardManager;
 import android.content.Context;
-import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.SharedPreferences;
-import android.content.pm.PackageInfo;
-import android.content.pm.PackageManager;
 import android.content.res.Configuration;
 import android.database.Cursor;
+import android.net.Uri;
 import android.os.Bundle;
-import androidx.appcompat.app.AlertDialog;
-import androidx.appcompat.app.AppCompatActivity;
-import androidx.appcompat.widget.SearchView;
-import androidx.appcompat.widget.Toolbar;
 import android.util.Log;
-import android.view.ContextMenu;
 import android.view.GestureDetector;
 import android.view.Menu;
-import android.view.MenuInflater;
 import android.view.MenuItem;
 import android.view.MotionEvent;
 import android.view.View;
-import android.webkit.WebView;
-import android.widget.AdapterView;
-import android.widget.ListView;
 import android.widget.TextView;
 import android.widget.Toast;
+
 import com.google.android.material.floatingactionbutton.FloatingActionButton;
 import com.google.android.material.tabs.TabLayout;
-import com.google.common.collect.ImmutableMap;
 
-import java.util.Calendar;
 import java.util.List;
-import java.util.Map;
+
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.appcompat.view.ActionMode;
+import androidx.appcompat.widget.SearchView;
+import androidx.appcompat.widget.Toolbar;
+import androidx.recyclerview.widget.DefaultItemAnimator;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
 import protect.card_locker.preferences.SettingsActivity;
 
-public class MainActivity extends AppCompatActivity implements GestureDetector.OnGestureListener
+public class MainActivity extends AppCompatActivity implements LoyaltyCardCursorAdapter.CardAdapterListener, GestureDetector.OnGestureListener
 {
     private static final String TAG = "Catima";
-    private static final int MAIN_REQUEST_CODE = 1;
 
-    private Menu menu;
-    private GestureDetector gestureDetector;
-    protected String filter = "";
+    private final DBHelper mDB = new DBHelper(this);
+    private LoyaltyCardCursorAdapter mAdapter;
+    private ActionMode mCurrentActionMode;
+    private Menu mMenu;
+    private GestureDetector mGestureDetector;
+    protected String mFilter = "";
     protected int selectedTab = 0;
+    private RecyclerView mCardList;
+
+    private ActionMode.Callback mCurrentActionModeCallback = new ActionMode.Callback()
+    {
+        @Override
+        public boolean onCreateActionMode(ActionMode inputMode, Menu inputMenu)
+        {
+            inputMode.getMenuInflater().inflate(R.menu.card_longclick_menu, inputMenu);
+            return true;
+        }
+
+        @Override
+        public boolean onPrepareActionMode(ActionMode inputMode, Menu inputMenu)
+        {
+            return false;
+        }
+
+        @Override
+        public boolean onActionItemClicked(ActionMode inputMode, MenuItem inputItem)
+        {
+            if (inputItem.getItemId() == R.id.action_copy_to_clipboard)
+            {
+                ClipboardManager clipboard = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
+
+                String clipboardData;
+                int cardCount = mAdapter.getSelectedItemCount();
+
+                if (cardCount == 1) {
+                    clipboardData = mAdapter.getSelectedItems().get(0).cardId;
+                } else {
+                    StringBuilder cardIds = new StringBuilder();
+
+                    for (int i = 0; i < cardCount; i++) {
+                        LoyaltyCard loyaltyCard = mAdapter.getSelectedItems().get(i);
+
+                        cardIds.append(loyaltyCard.store + ": " + loyaltyCard.cardId);
+                        if (i < (cardCount - 1)) {
+                            cardIds.append("\n");
+                        }
+                    }
+
+                    clipboardData = cardIds.toString();
+                }
+
+                ClipData clip = ClipData.newPlainText(getString(R.string.card_ids_copied), clipboardData);
+                clipboard.setPrimaryClip(clip);
+                Toast.makeText(MainActivity.this, cardCount > 1 ? R.string.copy_to_clipboard_multiple_toast : R.string.copy_to_clipboard_toast, Toast.LENGTH_LONG).show();
+                inputMode.finish();
+                return true;
+            }
+            else if (inputItem.getItemId() == R.id.action_share)
+            {
+                final ImportURIHelper importURIHelper = new ImportURIHelper(MainActivity.this);
+                importURIHelper.startShareIntent(mAdapter.getSelectedItems());
+                inputMode.finish();
+                return true;
+            }
+            else if(inputItem.getItemId() == R.id.action_edit)
+            {
+                if (mAdapter.getSelectedItemCount() != 1) {
+                    throw new IllegalArgumentException("Cannot edit more than 1 card at a time");
+                }
+
+                Intent intent = new Intent(getApplicationContext(), LoyaltyCardEditActivity.class);
+                Bundle bundle = new Bundle();
+                bundle.putInt("id", mAdapter.getSelectedItems().get(0).id);
+                bundle.putBoolean("update", true);
+                intent.putExtras(bundle);
+                startActivity(intent);
+                inputMode.finish();
+                return true;
+            }
+
+            return false;
+        }
+
+        @Override
+        public void onDestroyActionMode(ActionMode inputMode)
+        {
+            mAdapter.clearSelections();
+            mCurrentActionMode = null;
+            mCardList.post(new Runnable()
+            {
+                @Override
+                public void run()
+                {
+                    mAdapter.resetAnimationIndex();
+                }
+            });
+        }
+    };
 
     @Override
-    protected void onCreate(Bundle savedInstanceState)
+    protected void onCreate(Bundle inputSavedInstanceState)
     {
-        super.onCreate(savedInstanceState);
+        super.onCreate(inputSavedInstanceState);
         setContentView(R.layout.main_activity);
         Toolbar toolbar = findViewById(R.id.toolbar);
         setSupportActionBar(toolbar);
 
-        updateLoyaltyCardList(filter, null);
+        updateLoyaltyCardList(mFilter, null);
 
         TabLayout groupsTabLayout = findViewById(R.id.groups);
         groupsTabLayout.addOnTabSelectedListener(new TabLayout.OnTabSelectedListener() {
             @Override
             public void onTabSelected(TabLayout.Tab tab) {
                 selectedTab = tab.getPosition();
-                updateLoyaltyCardList(filter, tab.getTag());
+                updateLoyaltyCardList(mFilter, tab.getTag());
 
                 // Store active tab in Shared Preference to restore next app launch
                 SharedPreferences activeTabPref = getApplicationContext().getSharedPreferences(
@@ -85,12 +173,12 @@ public class MainActivity extends AppCompatActivity implements GestureDetector.O
             }
         });
 
-        gestureDetector = new GestureDetector(this, this);
+        mGestureDetector = new GestureDetector(this, this);
 
         View.OnTouchListener gestureTouchListener = new View.OnTouchListener() {
             @Override
             public boolean onTouch(final View v, final MotionEvent event){
-                return gestureDetector.onTouchEvent(event);
+                return mGestureDetector.onTouchEvent(event);
             }
         };
 
@@ -101,18 +189,57 @@ public class MainActivity extends AppCompatActivity implements GestureDetector.O
         helpText.setOnTouchListener(gestureTouchListener);
         noMatchingCardsText.setOnTouchListener(gestureTouchListener);
         list.setOnTouchListener(gestureTouchListener);
+
+        /*
+         * This was added for Huawei, but Huawei is just too much of a fucking pain.
+         * Just leaving this commented out if needed for the future idk
+         * https://twitter.com/SylvieLorxu/status/1379437902741012483
+         *
+
+        // Show privacy policy on first run
+        SharedPreferences privacyPolicyShownPref = getApplicationContext().getSharedPreferences(
+                getString(R.string.sharedpreference_privacy_policy_shown),
+                Context.MODE_PRIVATE);
+
+
+        if (privacyPolicyShownPref.getInt(getString(R.string.sharedpreference_privacy_policy_shown), 0) == 0) {
+            SharedPreferences.Editor privacyPolicyShownPrefEditor = privacyPolicyShownPref.edit();
+            privacyPolicyShownPrefEditor.putInt(getString(R.string.sharedpreference_privacy_policy_shown), 1);
+            privacyPolicyShownPrefEditor.apply();
+
+            new AlertDialog.Builder(this)
+                    .setTitle(R.string.privacy_policy)
+                    .setMessage(R.string.privacy_policy_popup_text)
+                    .setPositiveButton(R.string.accept, null)
+                    .setNegativeButton(R.string.privacy_policy, new DialogInterface.OnClickListener() {
+                        public void onClick(DialogInterface dialog, int whichButton) {
+                            openPrivacyPolicy();
+                        }
+                    })
+                    .setIcon(android.R.drawable.ic_dialog_info)
+                    .show();
+        }
+         */
     }
 
     @Override
-    protected void onResume() {
+    protected void onResume()
+    {
         super.onResume();
 
-        if (menu != null)
+        if(mCurrentActionMode != null)
         {
-            SearchView searchView = (SearchView) menu.findItem(R.id.action_search).getActionView();
+            mAdapter.clearSelections();
+            mCurrentActionMode.finish();
+        }
 
-            if (!searchView.isIconified()) {
-                filter = searchView.getQuery().toString();
+        if (mMenu != null)
+        {
+            SearchView searchView = (SearchView) mMenu.findItem(R.id.action_search).getActionView();
+
+            if (!searchView.isIconified())
+            {
+                mFilter = searchView.getQuery().toString();
             }
         }
 
@@ -129,59 +256,72 @@ public class MainActivity extends AppCompatActivity implements GestureDetector.O
         Object group = null;
 
         if (groupsTabLayout.getTabCount() != 0) {
-            TabLayout.Tab tab = groupsTabLayout.getTabAt(0);
-
-            if (selectedTab < groupsTabLayout.getTabCount()) {
-                tab = groupsTabLayout.getTabAt(selectedTab);
+            TabLayout.Tab tab = groupsTabLayout.getTabAt(selectedTab);
+            if (tab == null) {
+                tab = groupsTabLayout.getTabAt(0);
             }
 
             groupsTabLayout.selectTab(tab);
+            assert tab != null;
             group = tab.getTag();
         }
-        updateLoyaltyCardList(filter, group);
+        updateLoyaltyCardList(mFilter, group);
         // End of active tab logic
 
         FloatingActionButton addButton = findViewById(R.id.fabAdd);
-        addButton.setOnClickListener(new View.OnClickListener() {
+        addButton.setOnClickListener(new View.OnClickListener()
+        {
             @Override
             public void onClick(View v) {
-                Intent i = new Intent(getApplicationContext(), LoyaltyCardEditActivity.class);
-                startActivityForResult(i, MAIN_REQUEST_CODE);
+                Intent i = new Intent(getApplicationContext(), ScanActivity.class);
+                startActivityForResult(i, Utils.BARCODE_SCAN);
             }
         });
     }
 
     @Override
-    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
-        super.onActivityResult(requestCode, resultCode, data);
+    protected void onActivityResult(int requestCode, int resultCode, Intent intent) {
+        super.onActivityResult(requestCode, resultCode, intent);
 
-        if (requestCode == MAIN_REQUEST_CODE)
-        {
+        if (requestCode == Utils.MAIN_REQUEST) {
             // We're coming back from another view so clear the search
             // We only do this now to prevent a flash of all entries right after picking one
-            filter = "";
-            if (menu != null)
+            mFilter = "";
+            if (mMenu != null)
             {
-                MenuItem searchItem = menu.findItem(R.id.action_search);
+                MenuItem searchItem = mMenu.findItem(R.id.action_search);
                 searchItem.collapseActionView();
             }
-
-            // In case the theme changed
             recreate();
+
+            return;
+        }
+
+        BarcodeValues barcodeValues = Utils.parseSetBarcodeActivityResult(requestCode, resultCode, intent, this);
+
+        if(!barcodeValues.isEmpty()) {
+            Intent newIntent = new Intent(getApplicationContext(), LoyaltyCardEditActivity.class);
+            Bundle newBundle = new Bundle();
+            newBundle.putString("barcodeType", barcodeValues.format());
+            newBundle.putString("cardId", barcodeValues.content());
+            newIntent.putExtras(newBundle);
+            startActivity(newIntent);
         }
     }
 
     @Override
-    public void onBackPressed() {
-        if (menu == null)
+    public void onBackPressed()
+    {
+        if (mMenu == null)
         {
             super.onBackPressed();
             return;
         }
 
-        SearchView searchView = (SearchView) menu.findItem(R.id.action_search).getActionView();
+        SearchView searchView = (SearchView) mMenu.findItem(R.id.action_search).getActionView();
 
-        if (!searchView.isIconified()) {
+        if (!searchView.isIconified())
+        {
             searchView.setIconified(true);
         } else {
             TabLayout groupsTabLayout = findViewById(R.id.groups);
@@ -202,21 +342,29 @@ public class MainActivity extends AppCompatActivity implements GestureDetector.O
             group = (Group) tag;
         }
 
-        final ListView cardList = findViewById(R.id.list);
+        mCardList = findViewById(R.id.list);
+        RecyclerView.LayoutManager mLayoutManager = new LinearLayoutManager(getApplicationContext());
+        mCardList.setLayoutManager(mLayoutManager);
+        mCardList.setItemAnimator(new DefaultItemAnimator());
+
         final TextView helpText = findViewById(R.id.helpText);
         final TextView noMatchingCardsText = findViewById(R.id.noMatchingCardsText);
-        final DBHelper db = new DBHelper(this);
 
-        Cursor cardCursor = db.getLoyaltyCardCursor(filterText, group);
+        Cursor cardCursor = mDB.getLoyaltyCardCursor(filterText, group);
 
-        if(db.getLoyaltyCardCount() > 0)
+        mAdapter = new LoyaltyCardCursorAdapter(this, cardCursor, this);
+        mCardList.setAdapter(mAdapter);
+
+        registerForContextMenu(mCardList);
+
+        if(mDB.getLoyaltyCardCount() > 0)
         {
             // We want the cardList to be visible regardless of the filtered match count
             // to ensure that the noMatchingCardsText doesn't end up being shown below
             // the keyboard
-            cardList.setVisibility(View.VISIBLE);
+            mCardList.setVisibility(View.VISIBLE);
             helpText.setVisibility(View.GONE);
-            if(cardCursor.getCount() > 0)
+            if(mAdapter.getItemCount() > 0)
             {
                 noMatchingCardsText.setVisibility(View.GONE);
             }
@@ -227,35 +375,14 @@ public class MainActivity extends AppCompatActivity implements GestureDetector.O
         }
         else
         {
-            cardList.setVisibility(View.GONE);
+            mCardList.setVisibility(View.GONE);
             helpText.setVisibility(View.VISIBLE);
             noMatchingCardsText.setVisibility(View.GONE);
         }
 
-        final LoyaltyCardCursorAdapter adapter = new LoyaltyCardCursorAdapter(this, cardCursor);
-        cardList.setAdapter(adapter);
-
-        registerForContextMenu(cardList);
-
-        cardList.setOnItemClickListener(new AdapterView.OnItemClickListener()
-        {
-            @Override
-            public void onItemClick(AdapterView<?> parent, View view, int position, long id)
-            {
-                Cursor selected = (Cursor) parent.getItemAtPosition(position);
-                LoyaltyCard loyaltyCard = LoyaltyCard.toLoyaltyCard(selected);
-
-                Intent i = new Intent(view.getContext(), LoyaltyCardViewActivity.class);
-                i.setAction("");
-                final Bundle b = new Bundle();
-                b.putInt("id", loyaltyCard.id);
-                i.putExtras(b);
-
-                ShortcutHelper.updateShortcuts(MainActivity.this, loyaltyCard, i);
-
-                startActivityForResult(i, MAIN_REQUEST_CODE);
-            }
-        });
+        if (mCurrentActionMode != null) {
+            mCurrentActionMode.finish();
+        }
     }
 
     public void updateTabGroups(TabLayout groupsTabLayout)
@@ -287,216 +414,106 @@ public class MainActivity extends AppCompatActivity implements GestureDetector.O
         groupsTabLayout.setVisibility(View.VISIBLE);
     }
 
-    @Override
-    public void onCreateContextMenu(ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo)
-    {
-        super.onCreateContextMenu(menu, v, menuInfo);
-        if (v.getId()==R.id.list)
-        {
-            MenuInflater inflater = getMenuInflater();
-            inflater.inflate(R.menu.card_longclick_menu, menu);
-        }
+    private void openPrivacyPolicy() {
+        Intent browserIntent = new Intent(
+                Intent.ACTION_VIEW,
+                Uri.parse("https://thelastproject.github.io/Catima/privacy-policy")
+        );
+        startActivity(browserIntent);
     }
 
     @Override
-    public boolean onContextItemSelected(MenuItem item)
+    public boolean onCreateOptionsMenu(Menu inputMenu)
     {
-        AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo) item.getMenuInfo();
-        ListView listView = findViewById(R.id.list);
+        this.mMenu = inputMenu;
 
-        Cursor cardCursor = (Cursor)listView.getItemAtPosition(info.position);
-        LoyaltyCard card = LoyaltyCard.toLoyaltyCard(cardCursor);
-
-        if(item.getItemId() == R.id.action_clipboard)
-        {
-            ClipboardManager clipboard = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
-            ClipData clip = ClipData.newPlainText(card.store, card.cardId);
-            clipboard.setPrimaryClip(clip);
-
-            Toast.makeText(this, R.string.copy_to_clipboard_toast, Toast.LENGTH_LONG).show();
-            return true;
-        }
-        else if(item.getItemId() == R.id.action_share)
-        {
-            final ImportURIHelper importURIHelper = new ImportURIHelper(this);
-            importURIHelper.startShareIntent(card);
-            return true;
-        }
-
-        return super.onContextItemSelected(item);
-    }
-
-    @Override
-    public boolean onCreateOptionsMenu(Menu menu)
-    {
-        this.menu = menu;
-
-        getMenuInflater().inflate(R.menu.main_menu, menu);
+        getMenuInflater().inflate(R.menu.main_menu, inputMenu);
 
         SearchManager searchManager = (SearchManager) getSystemService(Context.SEARCH_SERVICE);
-        if (searchManager != null) {
-            SearchView searchView = (SearchView) menu.findItem(R.id.action_search).getActionView();
+        if (searchManager != null)
+        {
+            SearchView searchView = (SearchView) inputMenu.findItem(R.id.action_search).getActionView();
             searchView.setSearchableInfo(searchManager.getSearchableInfo(getComponentName()));
             searchView.setSubmitButtonEnabled(false);
 
-            searchView.setOnCloseListener(new SearchView.OnCloseListener() {
+            searchView.setOnCloseListener(new SearchView.OnCloseListener()
+            {
                 @Override
-                public boolean onClose() {
+                public boolean onClose()
+                {
                     invalidateOptionsMenu();
                     return false;
                 }
             });
 
-            searchView.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
+            searchView.setOnQueryTextListener(new SearchView.OnQueryTextListener()
+            {
                 @Override
-                public boolean onQueryTextSubmit(String query) {
+                public boolean onQueryTextSubmit(String query)
+                {
                     return false;
                 }
 
                 @Override
-                public boolean onQueryTextChange(String newText) {
-                    filter = newText;
+                public boolean onQueryTextChange(String newText)
+                {
+                    mFilter = newText;
 
                     TabLayout groupsTabLayout = findViewById(R.id.groups);
+                    TabLayout.Tab currentTab = groupsTabLayout.getTabAt(groupsTabLayout.getSelectedTabPosition());
+
+                    updateLoyaltyCardList(
+                        mFilter,
+                        currentTab != null ? currentTab.getTag() : null
+                    );
 
-                    updateLoyaltyCardList(newText, groupsTabLayout.getTabCount() > 0 ? groupsTabLayout.getTabAt(groupsTabLayout.getSelectedTabPosition()).getTag() : null);
                     return true;
                 }
             });
         }
-
-        return super.onCreateOptionsMenu(menu);
+        return super.onCreateOptionsMenu(inputMenu);
     }
 
     @Override
-    public boolean onOptionsItemSelected(MenuItem item)
+    public boolean onOptionsItemSelected(MenuItem inputItem)
     {
-        int id = item.getItemId();
+        int id = inputItem.getItemId();
 
         if (id == R.id.action_manage_groups)
         {
             Intent i = new Intent(getApplicationContext(), ManageGroupsActivity.class);
-            startActivityForResult(i, MAIN_REQUEST_CODE);
+            startActivityForResult(i, Utils.MAIN_REQUEST);
             return true;
         }
 
-        if(id == R.id.action_import_export)
+        if (id == R.id.action_import_export)
         {
             Intent i = new Intent(getApplicationContext(), ImportExportActivity.class);
-            startActivityForResult(i, MAIN_REQUEST_CODE);
+            startActivityForResult(i, Utils.MAIN_REQUEST);
             return true;
         }
 
-        if(id == R.id.action_settings)
+        if (id == R.id.action_settings)
         {
             Intent i = new Intent(getApplicationContext(), SettingsActivity.class);
-            startActivityForResult(i, MAIN_REQUEST_CODE);
+            startActivityForResult(i, Utils.MAIN_REQUEST);
             return true;
         }
 
-        if(id == R.id.action_about)
+        if(id == R.id.action_privacy_policy)
         {
-            displayAboutDialog();
+            openPrivacyPolicy();
             return true;
         }
 
-        return super.onOptionsItemSelected(item);
-    }
-
-    private void displayAboutDialog()
-    {
-        final Map<String, String> USED_LIBRARIES = new ImmutableMap.Builder<String, String>()
-            .put("Commons CSV", "https://commons.apache.org/proper/commons-csv/")
-            .put("Guava", "https://github.com/google/guava")
-            .put("ZXing", "https://github.com/zxing/zxing")
-            .put("ZXing Android Embedded", "https://github.com/journeyapps/zxing-android-embedded")
-            .put("AppIntro", "https://github.com/apl-devs/AppIntro")
-            .put("Color Picker", "https://github.com/jaredrummler/ColorPicker")
-            .put("VNTNumberPickerPreference", "https://github.com/vanniktech/VNTNumberPickerPreference")
-            .build();
-
-        final Map<String, String> USED_ASSETS = ImmutableMap.of
-        (
-            "Save by Bernar Novalyi", "https://thenounproject.com/term/save/716011"
-        );
-
-        StringBuilder libs = new StringBuilder().append("<ul>");
-        for (Map.Entry<String, String> entry : USED_LIBRARIES.entrySet())
+        if (id == R.id.action_about)
         {
-            libs.append("<li><a href=\"").append(entry.getValue()).append("\">").append(entry.getKey()).append("</a></li>");
-        }
-        libs.append("</ul>");
-
-        StringBuilder resources = new StringBuilder().append("<ul>");
-        for (Map.Entry<String, String> entry : USED_ASSETS.entrySet())
-        {
-            resources.append("<li><a href=\"").append(entry.getValue()).append("\">").append(entry.getKey()).append("</a></li>");
-        }
-        resources.append("</ul>");
-
-        String appName = getString(R.string.app_name);
-        int year = Calendar.getInstance().get(Calendar.YEAR);
-
-        String version = "?";
-        try
-        {
-            PackageInfo pi = getPackageManager().getPackageInfo(getPackageName(), 0);
-            version = pi.versionName;
-        }
-        catch (PackageManager.NameNotFoundException e)
-        {
-            Log.w(TAG, "Package name not found", e);
+            Intent i = new Intent(getApplicationContext(), AboutActivity.class);
+            startActivityForResult(i, Utils.MAIN_REQUEST);
+            return true;
         }
 
-        WebView wv = new WebView(this);
-
-        // Set CSS for dark mode if dark mode
-        String css = "";
-        if(isDarkModeEnabled(this))
-        {
-            css = "<style>body {color:white; background-color:black;}</style>";
-        }
-
-        String html =
-            "<meta http-equiv=\"content-type\" content=\"text/html; charset=utf-8\" />" +
-            css +
-            "<h1>" +
-            String.format(getString(R.string.about_title_fmt),
-                    "<a href=\"" + getString(R.string.app_webpage_url)) + "\">" +
-            appName +
-            "</a>" +
-            "</h1><p>" +
-            appName +
-            " " +
-            String.format(getString(R.string.debug_version_fmt), version) +
-            "</p><p>" +
-            String.format(getString(R.string.app_revision_fmt),
-                    "<a href=\"" + getString(R.string.app_revision_url) + "\">" +
-                            "GitHub" +
-                            "</a>") +
-            "</p><hr/><p>" +
-            String.format(getString(R.string.app_copyright_fmt), year) +
-            "</p><p>" +
-            getString(R.string.app_copyright_old) +
-            "</p><hr/><p>" +
-            getString(R.string.app_license) +
-            "</p><hr/><p>" +
-            String.format(getString(R.string.app_libraries), appName, libs.toString()) +
-            "</p><hr/><p>" +
-            String.format(getString(R.string.app_resources), appName, resources.toString());
-
-        wv.loadDataWithBaseURL("file:///android_res/drawable/", html, "text/html", "utf-8", null);
-        new AlertDialog.Builder(this)
-            .setView(wv)
-            .setCancelable(true)
-            .setPositiveButton(R.string.ok, new DialogInterface.OnClickListener()
-            {
-                public void onClick(DialogInterface dialog, int which)
-                {
-                    dialog.dismiss();
-                }
-            })
-            .show();
+        return super.onOptionsItemSelected(inputItem);
     }
 
     protected static boolean isDarkModeEnabled(Context inputContext)
@@ -575,4 +592,79 @@ public class MainActivity extends AppCompatActivity implements GestureDetector.O
 
         return false;
     }
+
+    @Override
+    public void onRowLongClicked(int inputPosition)
+    {
+        enableActionMode(inputPosition);
+    }
+
+    private void enableActionMode(int inputPosition)
+    {
+        if (mCurrentActionMode == null)
+        {
+            mCurrentActionMode = startSupportActionMode(mCurrentActionModeCallback);
+        }
+        toggleSelection(inputPosition);
+    }
+
+    private void toggleSelection(int inputPosition)
+    {
+        mAdapter.toggleSelection(inputPosition);
+        int count = mAdapter.getSelectedItemCount();
+
+        if (count == 0) {
+            mCurrentActionMode.finish();
+        } else {
+            mCurrentActionMode.setTitle("Selected: " + count + " Cards");
+
+            MenuItem editItem = mCurrentActionMode.getMenu().findItem(R.id.action_edit);
+            if (count == 1) {
+                editItem.setVisible(true);
+                editItem.setEnabled(true);
+            } else {
+                editItem.setVisible(false);
+                editItem.setEnabled(false);
+            }
+
+            mCurrentActionMode.invalidate();
+        }
+    }
+
+    @Override
+    public void onIconClicked(int inputPosition)
+    {
+        if (mCurrentActionMode == null)
+        {
+            mCurrentActionMode = startSupportActionMode(mCurrentActionModeCallback);
+        }
+
+        toggleSelection(inputPosition);
+    }
+
+    @Override
+    public void onRowClicked(int inputPosition)
+    {
+
+        if (mAdapter.getSelectedItemCount() > 0)
+        {
+            enableActionMode(inputPosition);
+        }
+        else
+        {
+            Cursor selected = mAdapter.getCursor();
+            selected.moveToPosition(inputPosition);
+            LoyaltyCard loyaltyCard = LoyaltyCard.toLoyaltyCard(selected);
+
+            Intent i = new Intent(this, LoyaltyCardViewActivity.class);
+            i.setAction("");
+            final Bundle b = new Bundle();
+            b.putInt("id", loyaltyCard.id);
+            i.putExtras(b);
+
+            ShortcutHelper.updateShortcuts(MainActivity.this, loyaltyCard, i);
+
+            startActivityForResult(i, Utils.MAIN_REQUEST);
+        }
+    }
 }

app/src/main/java/protect/card_locker/ManageGroupsActivity.java

@@ -8,6 +8,7 @@ import android.os.Bundle;
 import android.text.InputType;
 import android.view.MenuItem;
 import android.view.View;
+import android.view.WindowManager;
 import android.widget.EditText;
 import android.widget.LinearLayout;
 import android.widget.ListView;
@@ -15,6 +16,8 @@ import android.widget.TextView;
 
 import com.google.android.material.floatingactionbutton.FloatingActionButton;
 
+import java.util.List;
+
 import androidx.appcompat.app.ActionBar;
 import androidx.appcompat.app.AlertDialog;
 import androidx.appcompat.app.AppCompatActivity;
@@ -24,7 +27,6 @@ public class ManageGroupsActivity extends AppCompatActivity
 {
     private static final String TAG = "Catima";
 
-    private AlertDialog newGroupDialog;
     private final DBHelper db = new DBHelper(this);
 
     @Override
@@ -40,8 +42,6 @@ public class ManageGroupsActivity extends AppCompatActivity
             actionBar.setDisplayHomeAsUpEnabled(true);
         }
 
-        newGroupDialog = createNewGroupDialog();
-
         updateGroupList();
     }
 
@@ -55,7 +55,7 @@ public class ManageGroupsActivity extends AppCompatActivity
         addButton.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
-                newGroupDialog.show();
+                createGroup();
             }
         });
     }
@@ -112,12 +112,16 @@ public class ManageGroupsActivity extends AppCompatActivity
         return super.onOptionsItemSelected(item);
     }
 
+    public void moveGroupUp(View view) {
+        moveGroup(view, true);
+    }
+
+    public void moveGroupDown(View view) {
+        moveGroup(view, false);
+    }
+
     public void editGroup(View view) {
-        LinearLayout parentRow = (LinearLayout) view.getParent();
-
-        TextView groupNameTextView = (TextView) parentRow.findViewById(R.id.name);
-
-        final String groupName = (String) groupNameTextView.getText();
+        final String groupName = getGroupname(view);
 
         AlertDialog.Builder builder = new AlertDialog.Builder(this);
         builder.setTitle(R.string.enter_group_name);
@@ -131,8 +135,6 @@ public class ManageGroupsActivity extends AppCompatActivity
             public void onClick(DialogInterface dialog, int which) {
                 db.updateGroup(groupName, input.getText().toString());
                 updateGroupList();
-                // Rename may change ordering, so invalidate
-                invalidateHomescreenActiveTab();
             }
         });
         builder.setNegativeButton(getString(R.string.cancel), new DialogInterface.OnClickListener() {
@@ -143,14 +145,12 @@ public class ManageGroupsActivity extends AppCompatActivity
         });
         AlertDialog dialog = builder.create();
         dialog.show();
+        dialog.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE);
+        input.requestFocus();
     }
 
     public void deleteGroup(View view) {
-        LinearLayout parentRow = (LinearLayout) view.getParent();
-
-        TextView groupNameTextView = (TextView) parentRow.findViewById(R.id.name);
-
-        final String groupName = (String) groupNameTextView.getText();
+        final String groupName = getGroupname(view);
 
         AlertDialog.Builder builder = new AlertDialog.Builder(this);
         builder.setTitle(R.string.deleteConfirmationGroup);
@@ -175,7 +175,7 @@ public class ManageGroupsActivity extends AppCompatActivity
         dialog.show();
     }
 
-    private AlertDialog createNewGroupDialog() {
+    private void createGroup() {
         AlertDialog.Builder builder = new AlertDialog.Builder(this);
         builder.setTitle(R.string.enter_group_name);
         final EditText input = new EditText(this);
@@ -187,8 +187,6 @@ public class ManageGroupsActivity extends AppCompatActivity
             public void onClick(DialogInterface dialog, int which) {
                 db.insertGroup(input.getText().toString());
                 updateGroupList();
-                // Create may change ordering, so invalidate
-                invalidateHomescreenActiveTab();
             }
         });
         builder.setNegativeButton(getString(R.string.cancel), new DialogInterface.OnClickListener() {
@@ -198,7 +196,60 @@ public class ManageGroupsActivity extends AppCompatActivity
             }
         });
         AlertDialog dialog = builder.create();
+        dialog.show();
+        dialog.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE);
+        input.requestFocus();
+    }
 
-        return dialog;
+    private String getGroupname(View view) {
+        LinearLayout parentRow = (LinearLayout) view.getParent().getParent();
+        TextView groupNameTextView = parentRow.findViewById(R.id.name);
+        return (String) groupNameTextView.getText();
+    }
+
+    private void moveGroup(View view, boolean up) {
+        final String groupName = getGroupname(view);
+
+        List<Group> groups = db.getGroups();
+
+        int currentIndex = -1;
+        Integer newIndex;
+
+        // Get current index in group list
+        for (int i = 0; i < groups.size(); i++) {
+            if (groups.get(i)._id.equals(groupName)) {
+                currentIndex = i;
+
+                break;
+            }
+        }
+
+        if (currentIndex == -1) {
+            throw new IndexOutOfBoundsException();
+        }
+
+        // Reinsert group in correct position
+        if (up) {
+            newIndex = currentIndex - 1;
+        } else {
+            newIndex = currentIndex + 1;
+        }
+
+        // Don't try to move out of bounds
+        if (newIndex < 0 || newIndex >= groups.size()) {
+            return;
+        }
+
+        Group group = groups.remove(currentIndex);
+        groups.add(newIndex, group);
+
+        // Update database
+        db.reorderGroups(groups);
+
+        // Update UI
+        updateGroupList();
+
+        // Ordering may have changed, so invalidate
+        invalidateHomescreenActiveTab();
     }
 }

app/src/main/java/protect/card_locker/ScanActivity.java

@@ -0,0 +1,163 @@
+package protect.card_locker;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.KeyEvent;
+import android.view.MenuItem;
+import android.view.View;
+
+import com.google.zxing.ResultPoint;
+import com.google.zxing.client.android.Intents;
+import com.journeyapps.barcodescanner.BarcodeCallback;
+import com.journeyapps.barcodescanner.BarcodeResult;
+import com.journeyapps.barcodescanner.CaptureManager;
+import com.journeyapps.barcodescanner.DecoratedBarcodeView;
+
+import java.util.List;
+
+import androidx.appcompat.app.ActionBar;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.appcompat.widget.Toolbar;
+
+/**
+ * Custom Scannner Activity extending from Activity to display a custom layout form scanner view.
+ *
+ * Based on https://github.com/journeyapps/zxing-android-embedded/blob/0fdfbce9fb3285e985bad9971c5f7c0a7a334e7b/sample/src/main/java/example/zxing/CustomScannerActivity.java
+ * originally licensed under Apache 2.0
+ */
+public class ScanActivity extends AppCompatActivity {
+    private static final String TAG = "Catima";
+
+    private CaptureManager capture;
+    private DecoratedBarcodeView barcodeScannerView;
+
+    private String cardId;
+
+    private void extractIntentFields(Intent intent) {
+        final Bundle b = intent.getExtras();
+        cardId = b != null ? b.getString("cardId") : null;
+        Log.d(TAG, "Scan activity: id=" + cardId);
+    }
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.scan_activity);
+        Toolbar toolbar = findViewById(R.id.toolbar);
+        setSupportActionBar(toolbar);
+        ActionBar actionBar = getSupportActionBar();
+        if(actionBar != null)
+        {
+            actionBar.setDisplayHomeAsUpEnabled(true);
+        }
+
+        extractIntentFields(getIntent());
+
+        barcodeScannerView = findViewById(R.id.zxing_barcode_scanner);
+
+        // Even though we do the actual decoding with the barcodeScannerView
+        // CaptureManager needs to be running to show the camera and scanning bar
+        capture = new CaptureManager(this, barcodeScannerView);
+        Intent captureIntent = new Intent();
+        Bundle captureIntentBundle = new Bundle();
+        captureIntentBundle.putBoolean(Intents.Scan.BEEP_ENABLED, false);
+        captureIntent.putExtras(captureIntentBundle);
+        capture.initializeFromIntent(captureIntent, savedInstanceState);
+
+        barcodeScannerView.decodeSingle(new BarcodeCallback() {
+            @Override
+            public void barcodeResult(BarcodeResult result) {
+                Intent scanResult = new Intent();
+                Bundle scanResultBundle = new Bundle();
+                scanResultBundle.putString(BarcodeSelectorActivity.BARCODE_CONTENTS, result.getText());
+                scanResultBundle.putString(BarcodeSelectorActivity.BARCODE_FORMAT, result.getBarcodeFormat().toString());
+                scanResult.putExtras(scanResultBundle);
+                ScanActivity.this.setResult(RESULT_OK, scanResult);
+                finish();
+            }
+
+            @Override
+            public void possibleResultPoints(List<ResultPoint> resultPoints) {
+
+            }
+        });
+    }
+
+    @Override
+    protected void onResume() {
+        super.onResume();
+        capture.onResume();
+    }
+
+    @Override
+    protected void onPause() {
+        super.onPause();
+        capture.onPause();
+    }
+
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+        capture.onDestroy();
+    }
+
+    @Override
+    protected void onSaveInstanceState(Bundle outState) {
+        super.onSaveInstanceState(outState);
+        capture.onSaveInstanceState(outState);
+    }
+
+    @Override
+    public boolean onKeyDown(int keyCode, KeyEvent event) {
+        return barcodeScannerView.onKeyDown(keyCode, event) || super.onKeyDown(keyCode, event);
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item)
+    {
+        if (item.getItemId() == android.R.id.home)
+        {
+            setResult(Activity.RESULT_CANCELED);
+            finish();
+            return true;
+        }
+
+        return super.onOptionsItemSelected(item);
+    }
+
+    @Override
+    public void onActivityResult(int requestCode, int resultCode, Intent intent)
+    {
+        super.onActivityResult(requestCode, resultCode, intent);
+
+        BarcodeValues barcodeValues = Utils.parseSetBarcodeActivityResult(requestCode, resultCode, intent, this);
+
+        if (!barcodeValues.isEmpty()) {
+            Intent manualResult = new Intent();
+            Bundle manualResultBundle = new Bundle();
+            manualResultBundle.putString(BarcodeSelectorActivity.BARCODE_CONTENTS, barcodeValues.content());
+            manualResultBundle.putString(BarcodeSelectorActivity.BARCODE_FORMAT, barcodeValues.format());
+            manualResult.putExtras(manualResultBundle);
+            ScanActivity.this.setResult(RESULT_OK, manualResult);
+            finish();
+        }
+    }
+
+    public void addManually(View view) {
+        Intent i = new Intent(getApplicationContext(), BarcodeSelectorActivity.class);
+        if (cardId != null) {
+            final Bundle b = new Bundle();
+            b.putString("initialCardId", cardId);
+            i.putExtras(b);
+        }
+        startActivityForResult(i, Utils.SELECT_BARCODE_REQUEST);
+    }
+
+    public void addFromImage(View view) {
+        Intent photoPickerIntent = new Intent(Intent.ACTION_PICK);
+        photoPickerIntent.setType("image/*");
+        startActivityForResult(photoPickerIntent, Utils.BARCODE_IMPORT_FROM_IMAGE_FILE);
+    }
+}

app/src/main/java/protect/card_locker/ThirdPartyInfo.java

@@ -0,0 +1,25 @@
+package protect.card_locker;
+
+public class ThirdPartyInfo {
+    private final String mName;
+    private final String mUrl;
+    private final String mLicense;
+
+    public ThirdPartyInfo(String name, String url, String license) {
+        mName = name;
+        mUrl = url;
+        mLicense = license;
+    }
+
+    public String name() {
+        return mName;
+    }
+
+    public String url() {
+        return mUrl;
+    }
+
+    public String license() {
+        return mLicense;
+    }
+}

app/src/main/java/protect/card_locker/Utils.java

@@ -1,19 +1,59 @@
 package protect.card_locker;
 
+import android.app.Activity;
 import android.content.Context;
+import android.content.Intent;
+import android.graphics.Bitmap;
 import android.graphics.Color;
+import android.provider.MediaStore;
+import android.util.Log;
+import android.widget.Toast;
+
+import com.google.zxing.BinaryBitmap;
+import com.google.zxing.LuminanceSource;
+import com.google.zxing.MultiFormatReader;
+import com.google.zxing.NotFoundException;
+import com.google.zxing.RGBLuminanceSource;
+import com.google.zxing.Result;
+import com.google.zxing.common.HybridBinarizer;
+
+import java.io.IOException;
+import java.math.BigDecimal;
+import java.text.NumberFormat;
+import java.util.Calendar;
+import java.util.Currency;
+import java.util.Date;
+import java.util.GregorianCalendar;
 
 import androidx.core.graphics.ColorUtils;
 
 public class Utils {
+    private static final String TAG = "Catima";
+
+    // Activity request codes
+    public static final int MAIN_REQUEST = 1;
+    public static final int SELECT_BARCODE_REQUEST = 2;
+    public static final int BARCODE_SCAN = 3;
+    public static final int BARCODE_IMPORT_FROM_IMAGE_FILE = 4;
+
     static final double LUMINANCE_MIDPOINT = 0.5;
 
     static public LetterBitmap generateIcon(Context context, String store, Integer backgroundColor) {
+        return generateIcon(context, store, backgroundColor, false);
+    }
+
+    static public LetterBitmap generateIcon(Context context, String store, Integer backgroundColor, boolean forShortcut) {
         if (store.length() == 0) {
             return null;
         }
 
-        int tileLetterFontSize = context.getResources().getDimensionPixelSize(R.dimen.tileLetterFontSize);
+        int tileLetterFontSize;
+        if (forShortcut) {
+            tileLetterFontSize = context.getResources().getDimensionPixelSize(R.dimen.tileLetterFontSizeForShortcut);
+        } else {
+            tileLetterFontSize = context.getResources().getDimensionPixelSize(R.dimen.tileLetterFontSize);
+        }
+
         int pixelSize = context.getResources().getDimensionPixelSize(R.dimen.cardThumbnailSize);
 
         if (backgroundColor == null) {
@@ -27,4 +67,145 @@ public class Utils {
     static public boolean needsDarkForeground(Integer backgroundColor) {
         return ColorUtils.calculateLuminance(backgroundColor) > LUMINANCE_MIDPOINT;
     }
+
+    static public BarcodeValues parseSetBarcodeActivityResult(int requestCode, int resultCode, Intent intent, Context context) {
+        String contents;
+        String format;
+
+        if (resultCode != Activity.RESULT_OK) {
+            return new BarcodeValues(null, null);
+        }
+
+        if (requestCode == Utils.BARCODE_IMPORT_FROM_IMAGE_FILE) {
+            Log.i(TAG, "Received image file with possible barcode");
+
+            Bitmap bitmap;
+            try {
+                bitmap = MediaStore.Images.Media.getBitmap(context.getContentResolver(), intent.getData());
+            } catch (IOException e) {
+                Log.e(TAG, "Error getting data from image file");
+                e.printStackTrace();
+                Toast.makeText(context, R.string.errorReadingImage, Toast.LENGTH_LONG).show();
+                return new BarcodeValues(null, null);
+            }
+
+            BarcodeValues barcodeFromBitmap = getBarcodeFromBitmap(bitmap);
+
+            if (barcodeFromBitmap.isEmpty()) {
+                Log.i(TAG, "No barcode found in image file");
+                Toast.makeText(context, R.string.noBarcodeFound, Toast.LENGTH_LONG).show();
+            }
+
+            Log.i(TAG, "Read barcode id: " + barcodeFromBitmap.content());
+            Log.i(TAG, "Read format: " + barcodeFromBitmap.format());
+
+            return barcodeFromBitmap;
+        }
+
+        if (requestCode == Utils.BARCODE_SCAN || requestCode == Utils.SELECT_BARCODE_REQUEST) {
+            if (requestCode == Utils.BARCODE_SCAN) {
+                Log.i(TAG, "Received barcode information from camera");
+            } else if (requestCode == Utils.SELECT_BARCODE_REQUEST) {
+                Log.i(TAG, "Received barcode information from typing it");
+            }
+
+            contents = intent.getStringExtra(BarcodeSelectorActivity.BARCODE_CONTENTS);
+            format = intent.getStringExtra(BarcodeSelectorActivity.BARCODE_FORMAT);
+
+            Log.i(TAG, "Read barcode id: " + contents);
+            Log.i(TAG, "Read format: " + format);
+
+            return new BarcodeValues(format, contents);
+        }
+
+        throw new UnsupportedOperationException("Unknown request code for parseSetBarcodeActivityResult");
+    }
+
+    static public BarcodeValues getBarcodeFromBitmap(Bitmap bitmap) {
+        // In order to decode it, the Bitmap must first be converted into a pixel array...
+        int[] intArray = new int[bitmap.getWidth() * bitmap.getHeight()];
+        bitmap.getPixels(intArray, 0, bitmap.getWidth(), 0, 0, bitmap.getWidth(), bitmap.getHeight());
+
+        // ...and then turned into a binary bitmap from its luminance
+        LuminanceSource source = new RGBLuminanceSource(bitmap.getWidth(), bitmap.getHeight(), intArray);
+        BinaryBitmap binaryBitmap = new BinaryBitmap(new HybridBinarizer(source));
+
+        try {
+            Result barcodeResult = new MultiFormatReader().decode(binaryBitmap);
+
+            return new BarcodeValues(barcodeResult.getBarcodeFormat().name(), barcodeResult.getText());
+        } catch (NotFoundException e) {
+            return new BarcodeValues(null, null);
+        }
+    }
+
+    static public Boolean hasExpired(Date expiryDate) {
+        // today
+        Calendar date = new GregorianCalendar();
+        // reset hour, minutes, seconds and millis
+        date.set(Calendar.HOUR_OF_DAY, 0);
+        date.set(Calendar.MINUTE, 0);
+        date.set(Calendar.SECOND, 0);
+        date.set(Calendar.MILLISECOND, 0);
+
+        return expiryDate.before(date.getTime());
+    }
+
+    static public String formatBalance(Context context, BigDecimal value, Currency currency) {
+        NumberFormat numberFormat = NumberFormat.getInstance();
+
+        if (currency == null) {
+            numberFormat.setMaximumFractionDigits(0);
+            return context.getString(R.string.balancePoints, numberFormat.format(value));
+        }
+
+        NumberFormat currencyFormat = NumberFormat.getCurrencyInstance();
+        currencyFormat.setCurrency(currency);
+        currencyFormat.setMinimumFractionDigits(currency.getDefaultFractionDigits());
+        currencyFormat.setMaximumFractionDigits(currency.getDefaultFractionDigits());
+
+        return currencyFormat.format(value);
+    }
+
+    static public String formatBalanceWithoutCurrencySymbol(BigDecimal value, Currency currency) {
+        NumberFormat numberFormat = NumberFormat.getInstance();
+
+        if (currency == null) {
+            numberFormat.setMaximumFractionDigits(0);
+            return numberFormat.format(value);
+        }
+
+        numberFormat.setMinimumFractionDigits(currency.getDefaultFractionDigits());
+        numberFormat.setMaximumFractionDigits(currency.getDefaultFractionDigits());
+
+        return numberFormat.format(value);
+    }
+
+    static public Boolean currencyHasDecimals(Currency currency) {
+        if (currency == null) {
+            return false;
+        }
+
+        return currency.getDefaultFractionDigits() != 0;
+    }
+
+    static public BigDecimal parseCurrency(String value, Boolean hasDecimals) throws NumberFormatException {
+        // If there are no decimals expected, remove all separators before parsing
+        if (!hasDecimals) {
+            value = value.replaceAll("[^0-9]", "");
+            return new BigDecimal(value);
+        }
+
+        // There are many ways users can write a currency, so we fix it up a bit
+        // 1. Replace all non-numbers with dots
+        value = value.replaceAll("[^0-9]", ".");
+
+        // 2. Remove all but the last dot
+        while (value.split("\\.").length > 2) {
+            value = value.replaceFirst("\\.", "");
+        }
+
+        // Parse as BigDecimal
+        return new BigDecimal(value);
+    }
 }

app/src/main/java/protect/card_locker/importexport/CSVHelpers.java

@@ -0,0 +1,93 @@
+package protect.card_locker.importexport;
+
+import org.apache.commons.csv.CSVRecord;
+
+import protect.card_locker.FormatException;
+
+public class CSVHelpers {
+    /**
+     * Extract a string from the items array. The index into the array
+     * is determined by looking up the index in the fields map using the
+     * "key" as the key. If no such key exists, defaultValue is returned
+     * if it is not null. Otherwise, a FormatException is thrown.
+     */
+    static String extractString(String key, CSVRecord record, String defaultValue)
+            throws FormatException
+    {
+        String toReturn = defaultValue;
+
+        if(record.isMapped(key))
+        {
+            toReturn = record.get(key);
+        }
+        else
+        {
+            if(defaultValue == null)
+            {
+                throw new FormatException("Field not used but expected: " + key);
+            }
+        }
+
+        return toReturn;
+    }
+
+    /**
+     * Extract an integer from the items array. The index into the array
+     * is determined by looking up the index in the fields map using the
+     * "key" as the key. If no such key exists, or the data is not a valid
+     * int, a FormatException is thrown.
+     */
+    static Integer extractInt(String key, CSVRecord record, boolean nullIsOk)
+            throws FormatException
+    {
+        if(record.isMapped(key) == false)
+        {
+            throw new FormatException("Field not used but expected: " + key);
+        }
+
+        String value = record.get(key);
+        if(value.isEmpty() && nullIsOk)
+        {
+            return null;
+        }
+
+        try
+        {
+            return Integer.parseInt(record.get(key));
+        }
+        catch(NumberFormatException e)
+        {
+            throw new FormatException("Failed to parse field: " + key, e);
+        }
+    }
+
+    /**
+     * Extract a long from the items array. The index into the array
+     * is determined by looking up the index in the fields map using the
+     * "key" as the key. If no such key exists, or the data is not a valid
+     * int, a FormatException is thrown.
+     */
+    static Long extractLong(String key, CSVRecord record, boolean nullIsOk)
+            throws FormatException
+    {
+        if(record.isMapped(key) == false)
+        {
+            throw new FormatException("Field not used but expected: " + key);
+        }
+
+        String value = record.get(key);
+        if(value.isEmpty() && nullIsOk)
+        {
+            return null;
+        }
+
+        try
+        {
+            return Long.parseLong(record.get(key));
+        }
+        catch(NumberFormatException e)
+        {
+            throw new FormatException("Failed to parse field: " + key, e);
+        }
+    }
+}

app/src/main/java/protect/card_locker/importexport/CsvDatabaseExporter.java

@@ -1,4 +1,4 @@
-package protect.card_locker;
+package protect.card_locker.importexport;
 
 import android.database.Cursor;
 
@@ -8,6 +8,10 @@ import org.apache.commons.csv.CSVPrinter;
 import java.io.IOException;
 import java.io.OutputStreamWriter;
 
+import protect.card_locker.DBHelper;
+import protect.card_locker.Group;
+import protect.card_locker.LoyaltyCard;
+
 /**
  * Class for exporting the database into CSV (Comma Separate Values)
  * format.
@@ -49,6 +53,9 @@ public class CsvDatabaseExporter implements DatabaseExporter
         printer.printRecord(DBHelper.LoyaltyCardDbIds.ID,
                 DBHelper.LoyaltyCardDbIds.STORE,
                 DBHelper.LoyaltyCardDbIds.NOTE,
+                DBHelper.LoyaltyCardDbIds.EXPIRY,
+                DBHelper.LoyaltyCardDbIds.BALANCE,
+                DBHelper.LoyaltyCardDbIds.BALANCE_TYPE,
                 DBHelper.LoyaltyCardDbIds.CARD_ID,
                 DBHelper.LoyaltyCardDbIds.HEADER_COLOR,
                 DBHelper.LoyaltyCardDbIds.BARCODE_TYPE,
@@ -63,6 +70,9 @@ public class CsvDatabaseExporter implements DatabaseExporter
             printer.printRecord(card.id,
                     card.store,
                     card.note,
+                    card.expiry != null ? card.expiry.getTime() : "",
+                    card.balance,
+                    card.balanceType,
                     card.cardId,
                     card.headerColor,
                     card.barcodeType,

app/src/main/java/protect/card_locker/importexport/CsvDatabaseImporter.java

@@ -1,17 +1,28 @@
-package protect.card_locker;
+package protect.card_locker.importexport;
 
 import android.database.sqlite.SQLiteDatabase;
 
+import com.google.zxing.BarcodeFormat;
+
 import org.apache.commons.csv.CSVFormat;
 import org.apache.commons.csv.CSVParser;
 import org.apache.commons.csv.CSVRecord;
 
 import java.io.BufferedReader;
 import java.io.IOException;
+import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.io.StringReader;
+import java.math.BigDecimal;
+import java.nio.charset.StandardCharsets;
+import java.util.Currency;
+import java.util.Date;
 import java.util.List;
 
+import protect.card_locker.DBHelper;
+import protect.card_locker.FormatException;
+import protect.card_locker.Group;
+
 /**
  * Class for importing a database from CSV (Comma Separate Values)
  * formatted data.
@@ -21,9 +32,9 @@ import java.util.List;
  */
 public class CsvDatabaseImporter implements DatabaseImporter
 {
-    public void importData(DBHelper db, InputStreamReader input) throws IOException, FormatException, InterruptedException
+    public void importData(DBHelper db, InputStream input) throws IOException, FormatException, InterruptedException
     {
-        BufferedReader bufferedReader = new BufferedReader(input);
+        BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(input, StandardCharsets.UTF_8));
 
         bufferedReader.mark(100);
 
@@ -47,6 +58,8 @@ public class CsvDatabaseImporter implements DatabaseImporter
             default:
                 throw new FormatException(String.format("No code to parse version %s", version));
         }
+
+        bufferedReader.close();
     }
 
     public void parseV1(DBHelper db, BufferedReader input) throws IOException, FormatException, InterruptedException
@@ -131,7 +144,6 @@ public class CsvDatabaseImporter implements DatabaseImporter
         }
     }
 
-
     public void parseV2Groups(DBHelper db, SQLiteDatabase database, String data) throws IOException, FormatException, InterruptedException
     {
         // Parse groups
@@ -145,10 +157,10 @@ public class CsvDatabaseImporter implements DatabaseImporter
                     throw new InterruptedException();
                 }
             }
-
-            groupParser.close();
         } catch (IllegalArgumentException | IllegalStateException e) {
             throw new FormatException("Issue parsing CSV data", e);
+        } finally {
+            groupParser.close();
         }
     }
 
@@ -165,10 +177,10 @@ public class CsvDatabaseImporter implements DatabaseImporter
                     throw new InterruptedException();
                 }
             }
-
-            cardParser.close();
         } catch (IllegalArgumentException | IllegalStateException e) {
             throw new FormatException("Issue parsing CSV data", e);
+        } finally {
+            cardParser.close();
         }
     }
 
@@ -185,66 +197,10 @@ public class CsvDatabaseImporter implements DatabaseImporter
                     throw new InterruptedException();
                 }
             }
-
-            cardGroupParser.close();
         } catch (IllegalArgumentException | IllegalStateException e) {
             throw new FormatException("Issue parsing CSV data", e);
-        }
-    }
-
-    /**
-     * Extract a string from the items array. The index into the array
-     * is determined by looking up the index in the fields map using the
-     * "key" as the key. If no such key exists, defaultValue is returned
-     * if it is not null. Otherwise, a FormatException is thrown.
-     */
-    private String extractString(String key, CSVRecord record, String defaultValue)
-            throws FormatException
-    {
-        String toReturn = defaultValue;
-
-        if(record.isMapped(key))
-        {
-            toReturn = record.get(key);
-        }
-        else
-        {
-            if(defaultValue == null)
-            {
-                throw new FormatException("Field not used but expected: " + key);
-            }
-        }
-
-        return toReturn;
-    }
-
-    /**
-     * Extract an integer from the items array. The index into the array
-     * is determined by looking up the index in the fields map using the
-     * "key" as the key. If no such key exists, or the data is not a valid
-     * int, a FormatException is thrown.
-     */
-    private Integer extractInt(String key, CSVRecord record, boolean nullIsOk)
-            throws FormatException
-    {
-        if(record.isMapped(key) == false)
-        {
-            throw new FormatException("Field not used but expected: " + key);
-        }
-
-        String value = record.get(key);
-        if(value.isEmpty() && nullIsOk)
-        {
-            return null;
-        }
-
-        try
-        {
-            return Integer.parseInt(record.get(key));
-        }
-        catch(NumberFormatException e)
-        {
-            throw new FormatException("Failed to parse field: " + key, e);
+        } finally {
+            cardGroupParser.close();
         }
     }
 
@@ -255,40 +211,70 @@ public class CsvDatabaseImporter implements DatabaseImporter
     private void importLoyaltyCard(SQLiteDatabase database, DBHelper helper, CSVRecord record)
             throws IOException, FormatException
     {
-        int id = extractInt(DBHelper.LoyaltyCardDbIds.ID, record, false);
+        int id = CSVHelpers.extractInt(DBHelper.LoyaltyCardDbIds.ID, record, false);
 
-        String store = extractString(DBHelper.LoyaltyCardDbIds.STORE, record, "");
+        String store = CSVHelpers.extractString(DBHelper.LoyaltyCardDbIds.STORE, record, "");
         if(store.isEmpty())
         {
             throw new FormatException("No store listed, but is required");
         }
 
-        String note = extractString(DBHelper.LoyaltyCardDbIds.NOTE, record, "");
+        String note = CSVHelpers.extractString(DBHelper.LoyaltyCardDbIds.NOTE, record, "");
+        Date expiry = null;
+        try {
+            expiry = new Date(CSVHelpers.extractLong(DBHelper.LoyaltyCardDbIds.EXPIRY, record, true));
+        } catch (NullPointerException | FormatException e) { }
 
-        String cardId = extractString(DBHelper.LoyaltyCardDbIds.CARD_ID, record, "");
+        BigDecimal balance;
+        try {
+            balance = new BigDecimal(CSVHelpers.extractString(DBHelper.LoyaltyCardDbIds.BALANCE, record, null));
+        } catch (FormatException _e ) {
+            // These fields did not exist in versions 1.8.1 and before
+            // We catch this exception so we can still import old backups
+            balance = new BigDecimal("0");
+        }
+
+        Currency balanceType = null;
+        String unparsedBalanceType = CSVHelpers.extractString(DBHelper.LoyaltyCardDbIds.BALANCE_TYPE, record, "");
+        if(!unparsedBalanceType.isEmpty()) {
+            balanceType = Currency.getInstance(unparsedBalanceType);
+        }
+
+        String cardId = CSVHelpers.extractString(DBHelper.LoyaltyCardDbIds.CARD_ID, record, "");
         if(cardId.isEmpty())
         {
             throw new FormatException("No card ID listed, but is required");
         }
 
-        String barcodeType = extractString(DBHelper.LoyaltyCardDbIds.BARCODE_TYPE, record, "");
+        String barcodeId = CSVHelpers.extractString(DBHelper.LoyaltyCardDbIds.BARCODE_ID, record, "");
+        if(barcodeId.isEmpty())
+        {
+            barcodeId = null;
+        }
+
+        BarcodeFormat barcodeType = null;
+        String unparsedBarcodeType = CSVHelpers.extractString(DBHelper.LoyaltyCardDbIds.BARCODE_TYPE, record, "");
+        if(!unparsedBarcodeType.isEmpty())
+        {
+            barcodeType = BarcodeFormat.valueOf(unparsedBarcodeType);
+        }
 
         Integer headerColor = null;
 
         if(record.isMapped(DBHelper.LoyaltyCardDbIds.HEADER_COLOR))
         {
-            headerColor = extractInt(DBHelper.LoyaltyCardDbIds.HEADER_COLOR, record, true);
+            headerColor = CSVHelpers.extractInt(DBHelper.LoyaltyCardDbIds.HEADER_COLOR, record, true);
         }
 
         int starStatus = 0;
         try {
-            starStatus = extractInt(DBHelper.LoyaltyCardDbIds.STAR_STATUS, record, false);
+            starStatus = CSVHelpers.extractInt(DBHelper.LoyaltyCardDbIds.STAR_STATUS, record, false);
         } catch (FormatException _e ) {
             // This field did not exist in versions 0.28 and before
             // We catch this exception so we can still import old backups
         }
         if (starStatus != 1) starStatus = 0;
-        helper.insertLoyaltyCard(database, id, store, note, cardId, barcodeType, headerColor, starStatus);
+        helper.insertLoyaltyCard(database, id, store, note, expiry, balance, balanceType, cardId, barcodeId, barcodeType, headerColor, starStatus);
     }
 
     /**
@@ -298,7 +284,7 @@ public class CsvDatabaseImporter implements DatabaseImporter
     private void importGroup(SQLiteDatabase database, DBHelper helper, CSVRecord record)
             throws IOException, FormatException
     {
-        String id = extractString(DBHelper.LoyaltyCardDbGroups.ID, record, null);
+        String id = CSVHelpers.extractString(DBHelper.LoyaltyCardDbGroups.ID, record, null);
 
         helper.insertGroup(database, id);
     }
@@ -310,8 +296,8 @@ public class CsvDatabaseImporter implements DatabaseImporter
     private void importCardGroupMapping(SQLiteDatabase database, DBHelper helper, CSVRecord record)
             throws IOException, FormatException
     {
-        Integer cardId = extractInt(DBHelper.LoyaltyCardDbIdsGroups.cardID, record, false);
-        String groupId = extractString(DBHelper.LoyaltyCardDbIdsGroups.groupID, record, null);
+        Integer cardId = CSVHelpers.extractInt(DBHelper.LoyaltyCardDbIdsGroups.cardID, record, false);
+        String groupId = CSVHelpers.extractString(DBHelper.LoyaltyCardDbIdsGroups.groupID, record, null);
 
         List<Group> cardGroups = helper.getLoyaltyCardGroups(cardId);
         cardGroups.add(helper.getGroup(groupId));

app/src/main/java/protect/card_locker/importexport/DatabaseExporter.java

@@ -1,8 +1,10 @@
-package protect.card_locker;
+package protect.card_locker.importexport;
 
 import java.io.IOException;
 import java.io.OutputStreamWriter;
 
+import protect.card_locker.DBHelper;
+
 /**
  * Interface for a class which can export the contents of the database
  * in a given format.

app/src/main/java/protect/card_locker/importexport/DatabaseImporter.java

@@ -0,0 +1,25 @@
+package protect.card_locker.importexport;
+
+import org.json.JSONException;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.text.ParseException;
+
+import protect.card_locker.DBHelper;
+import protect.card_locker.FormatException;
+
+/**
+ * Interface for a class which can import the contents of a stream
+ * into the database.
+ */
+public interface DatabaseImporter
+{
+    /**
+     * Import data from the input stream in a given format into
+     * the database.
+     * @throws IOException
+     * @throws FormatException
+     */
+    void importData(DBHelper db, InputStream input) throws IOException, FormatException, InterruptedException, JSONException, ParseException;
+}

app/src/main/java/protect/card_locker/importexport/FidmeImporter.java

@@ -0,0 +1,135 @@
+package protect.card_locker.importexport;
+
+import android.database.sqlite.SQLiteDatabase;
+
+import com.google.zxing.BarcodeFormat;
+
+import org.apache.commons.csv.CSVFormat;
+import org.apache.commons.csv.CSVParser;
+import org.apache.commons.csv.CSVRecord;
+import org.json.JSONException;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.StringReader;
+import java.math.BigDecimal;
+import java.nio.charset.StandardCharsets;
+import java.text.ParseException;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipInputStream;
+
+import protect.card_locker.DBHelper;
+import protect.card_locker.FormatException;
+
+/**
+ * Class for importing a database from CSV (Comma Separate Values)
+ * formatted data.
+ *
+ * The database's loyalty cards are expected to appear in the CSV data.
+ * A header is expected for the each table showing the names of the columns.
+ */
+public class FidmeImporter implements DatabaseImporter
+{
+    public void importData(DBHelper db, InputStream input) throws IOException, FormatException, JSONException, ParseException {
+        // We actually retrieve a .zip file
+        ZipInputStream zipInputStream = new ZipInputStream(input);
+
+        StringBuilder loyaltyCards = new StringBuilder();
+        byte[] buffer = new byte[1024];
+        int read = 0;
+
+        ZipEntry zipEntry;
+
+        while ((zipEntry = zipInputStream.getNextEntry()) != null) {
+            if (zipEntry.getName().equals("loyalty_programs.csv")) {
+                while ((read = zipInputStream.read(buffer, 0, 1024)) >= 0) {
+                    loyaltyCards.append(new String(buffer, 0, read, StandardCharsets.UTF_8));
+                }
+            }
+        }
+
+        if (loyaltyCards.length() == 0) {
+            throw new FormatException("Couldn't find loyalty_programs.csv in zip file or it is empty");
+        }
+
+        SQLiteDatabase database = db.getWritableDatabase();
+        database.beginTransaction();
+
+        final CSVParser fidmeParser = new CSVParser(new StringReader(loyaltyCards.toString()), CSVFormat.RFC4180.withDelimiter(';').withHeader());
+
+        try {
+            for (CSVRecord record : fidmeParser) {
+                importLoyaltyCard(database, db, record);
+
+                if (Thread.currentThread().isInterrupted()) {
+                    throw new InterruptedException();
+                }
+            }
+        } catch (IllegalArgumentException | IllegalStateException | InterruptedException e) {
+            throw new FormatException("Issue parsing CSV data", e);
+        } finally {
+            fidmeParser.close();
+        }
+
+        database.setTransactionSuccessful();
+        database.endTransaction();
+        database.close();
+
+        zipInputStream.close();
+    }
+
+    /**
+     * Import a single loyalty card into the database using the given
+     * session.
+     */
+    private void importLoyaltyCard(SQLiteDatabase database, DBHelper helper, CSVRecord record)
+            throws IOException, FormatException
+    {
+        // A loyalty card export from Fidme contains the following fields:
+        // Retailer (store name)
+        // Program (program name)
+        // Added at (YYYY-MM-DD HH:MM:SS UTC)
+        // Reference (card ID)
+        // Firstname (card holder first name)
+        // Lastname (card holder last name)
+
+        // The store is called Retailer
+        String store = CSVHelpers.extractString("Retailer", record, "");
+
+        if (store.isEmpty())
+        {
+            throw new FormatException("No store listed, but is required");
+        }
+
+        // There seems to be no note field in the CSV? So let's combine other fields instead...
+        String program = CSVHelpers.extractString("Program", record, "");
+        String addedAt = CSVHelpers.extractString("Added At", record, "");
+        String firstName = CSVHelpers.extractString("Firstname", record, "");
+        String lastName = CSVHelpers.extractString("Lastname", record, "");
+
+        String combinedName = String.format("%s %s", firstName, lastName);
+
+        StringBuilder noteBuilder = new StringBuilder();
+        if (!program.isEmpty()) noteBuilder.append(program).append('\n');
+        if (!addedAt.isEmpty()) noteBuilder.append(addedAt).append('\n');
+        if (!combinedName.isEmpty()) noteBuilder.append(combinedName).append('\n');
+        String note = noteBuilder.toString();
+
+        // The ID is called reference
+        String cardId = CSVHelpers.extractString("Reference", record, "");
+        if(cardId.isEmpty())
+        {
+            throw new FormatException("No card ID listed, but is required");
+        }
+
+        // Sadly, Fidme exports don't contain the card type
+        // I guess they have an online DB of all the different companies and what type they use
+        // TODO: Hook this into our own loyalty card DB if we ever get one
+        BarcodeFormat barcodeType = null;
+
+        // No favourite data in the export either
+        int starStatus = 0;
+
+        helper.insertLoyaltyCard(database, store, note, null, BigDecimal.valueOf(0), null, cardId, null, barcodeType, null, starStatus);
+    }
+}

app/src/main/java/protect/card_locker/importexport/MultiFormatExporter.java

@@ -1,10 +1,13 @@
-package protect.card_locker;
+package protect.card_locker.importexport;
 
 import android.util.Log;
 
 import java.io.IOException;
 import java.io.OutputStreamWriter;
 
+import protect.card_locker.DBHelper;
+import protect.card_locker.DataFormat;
+
 public class MultiFormatExporter
 {
     private static final String TAG = "Catima";
@@ -25,9 +28,12 @@ public class MultiFormatExporter
 
         switch(format)
         {
-            case CSV:
+            case Catima:
                 exporter = new CsvDatabaseExporter();
                 break;
+            default:
+                Log.e(TAG, "Failed to export data, unknown format " + format.name());
+                break;
         }
 
         if(exporter != null)

app/src/main/java/protect/card_locker/importexport/MultiFormatImporter.java

@@ -1,9 +1,16 @@
-package protect.card_locker;
+package protect.card_locker.importexport;
 
 import android.util.Log;
 
+import org.json.JSONException;
+
 import java.io.IOException;
-import java.io.InputStreamReader;
+import java.io.InputStream;
+import java.text.ParseException;
+
+import protect.card_locker.DBHelper;
+import protect.card_locker.DataFormat;
+import protect.card_locker.FormatException;
 
 public class MultiFormatImporter
 {
@@ -20,43 +27,40 @@ public class MultiFormatImporter
      * false otherwise. If false, no data was written to
      * the database.
      */
-    public static boolean importData(DBHelper db, InputStreamReader input, DataFormat format)
+    public static boolean importData(DBHelper db, InputStream input, DataFormat format)
     {
         DatabaseImporter importer = null;
 
         switch(format)
         {
-            case CSV:
+            case Catima:
                 importer = new CsvDatabaseImporter();
                 break;
+            case Fidme:
+                importer = new FidmeImporter();
+                break;
+            case VoucherVault:
+                importer = new VoucherVaultImporter();
+                break;
         }
 
-        if(importer != null)
+        if (importer != null)
         {
             try
             {
                 importer.importData(db, input);
                 return true;
             }
-            catch(IOException e)
+            catch(IOException | FormatException | InterruptedException | JSONException | ParseException e)
             {
-                Log.e(TAG, "Failed to input data", e);
-            }
-            catch(FormatException e)
-            {
-                Log.e(TAG, "Failed to input data", e);
-            }
-            catch(InterruptedException e)
-            {
-                Log.e(TAG, "Failed to input data", e);
+                Log.e(TAG, "Failed to import data", e);
             }
 
-            return false;
         }
         else
         {
             Log.e(TAG, "Unsupported data format imported: " + format.name());
-            return false;
         }
+        return false;
     }
 }

app/src/main/java/protect/card_locker/importexport/VoucherVaultImporter.java

@@ -0,0 +1,137 @@
+package protect.card_locker.importexport;
+
+import android.annotation.SuppressLint;
+import android.database.sqlite.SQLiteDatabase;
+import android.graphics.Color;
+
+import com.google.zxing.BarcodeFormat;
+
+import org.json.JSONArray;
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.math.BigDecimal;
+import java.nio.charset.StandardCharsets;
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.Currency;
+import java.util.Date;
+import java.util.TimeZone;
+
+import protect.card_locker.DBHelper;
+import protect.card_locker.FormatException;
+
+/**
+ * Class for importing a database from CSV (Comma Separate Values)
+ * formatted data.
+ *
+ * The database's loyalty cards are expected to appear in the CSV data.
+ * A header is expected for the each table showing the names of the columns.
+ */
+public class VoucherVaultImporter implements DatabaseImporter
+{
+    public void importData(DBHelper db, InputStream input) throws IOException, FormatException, JSONException, ParseException {
+        BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(input, StandardCharsets.UTF_8));
+
+        StringBuilder sb = new StringBuilder();
+        String line;
+        while ((line = bufferedReader.readLine()) != null) {
+            sb.append(line);
+        }
+        JSONArray jsonArray = new JSONArray(sb.toString());
+
+        SQLiteDatabase database = db.getWritableDatabase();
+        database.beginTransaction();
+
+        // See https://github.com/tim-smart/vouchervault/issues/4#issuecomment-788226503 for more info
+        for (int i = 0; i < jsonArray.length(); i++) {
+            JSONObject jsonCard = jsonArray.getJSONObject(i);
+
+            String store = jsonCard.getString("description");
+
+            Date expiry = null;
+            if (!jsonCard.isNull("expires")) {
+                @SuppressLint("SimpleDateFormat") SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS");
+                dateFormat.setTimeZone(TimeZone.getTimeZone("UTC"));
+                expiry = dateFormat.parse(jsonCard.getString("expires"));
+            }
+
+            BigDecimal balance;
+            if (!jsonCard.isNull("balance")) {
+                balance = new BigDecimal(String.valueOf(jsonCard.getDouble("balance")));
+            } else {
+                balance = new BigDecimal("0");
+            }
+
+            Currency balanceType = Currency.getInstance("USD");
+
+            String cardId = jsonCard.getString("code");
+
+            BarcodeFormat barcodeType = null;
+
+            String codeTypeFromJSON = jsonCard.getString("codeType");
+            switch (codeTypeFromJSON) {
+                case "CODE128":
+                    barcodeType = BarcodeFormat.CODE_128;
+                    break;
+                case "CODE39":
+                    barcodeType = BarcodeFormat.CODE_39;
+                    break;
+                case "EAN13":
+                    barcodeType = BarcodeFormat.EAN_13;
+                    break;
+                case "PDF417":
+                    barcodeType = BarcodeFormat.PDF_417;
+                    break;
+                case "QR":
+                    barcodeType = BarcodeFormat.QR_CODE;
+                    break;
+                case "TEXT":
+                    break;
+                default:
+                    throw new FormatException("Unknown barcode type found: " + codeTypeFromJSON);
+            }
+
+            int headerColor;
+
+            String colorFromJSON = jsonCard.getString("color");
+            switch (colorFromJSON) {
+                case "GREY":
+                    headerColor = Color.GRAY;
+                    break;
+                case "BLUE":
+                    headerColor = Color.BLUE;
+                    break;
+                case "GREEN":
+                    headerColor = Color.GREEN;
+                    break;
+                case "ORANGE":
+                    headerColor = Color.rgb(255, 165, 0);
+                    break;
+                case "PURPLE":
+                    headerColor = Color.rgb(128, 0, 128);
+                    break;
+                case "RED":
+                    headerColor = Color.RED;
+                    break;
+                case "YELLOW":
+                    headerColor = Color.YELLOW;
+                    break;
+                default:
+                    throw new FormatException("Unknown colour type foun: " + colorFromJSON);
+            }
+
+            db.insertLoyaltyCard(store, "", expiry, balance, balanceType, cardId, null, barcodeType, headerColor, 0);
+        }
+
+        database.setTransactionSuccessful();
+        database.endTransaction();
+        database.close();
+
+        bufferedReader.close();
+    }
+}

app/src/main/java/protect/card_locker/preferences/Settings.java

@@ -2,11 +2,11 @@ package protect.card_locker.preferences;
 
 import android.content.Context;
 import android.content.SharedPreferences;
-import android.preference.PreferenceManager;
+
 import androidx.annotation.IntegerRes;
 import androidx.annotation.StringRes;
 import androidx.appcompat.app.AppCompatDelegate;
-
+import androidx.preference.PreferenceManager;
 import protect.card_locker.R;
 
 public class Settings
@@ -61,29 +61,34 @@ public class Settings
         return AppCompatDelegate.MODE_NIGHT_FOLLOW_SYSTEM;
     }
 
-    public int getCardTitleListFontSize()
+    public double getFontSizeScale()
     {
-        return getInt(R.string.settings_key_card_title_list_font_size, R.integer.settings_card_title_list_font_size_sp);
+        return getInt(R.string.settings_key_max_font_size_scale, R.integer.settings_max_font_size_scale_pct) / 100.0;
     }
 
-    public int getCardNoteListFontSize()
+    public int getSmallFont()
     {
-        return getInt(R.string.settings_key_card_note_list_font_size, R.integer.settings_card_note_list_font_size_sp);
+        return 14;
     }
 
-    public int getCardTitleFontSize()
+    public int getMediumFont()
     {
-        return getInt(R.string.settings_key_card_title_font_size, R.integer.settings_card_title_font_size_sp);
+        return 28;
     }
 
-    public int getCardIdFontSize()
+    public int getLargeFont()
     {
-        return getInt(R.string.settings_key_card_id_font_size, R.integer.settings_card_id_font_size_sp);
+        return 40;
     }
 
-    public int getCardNoteFontSize()
+    public int getFontSizeMin(int fontSize)
     {
-        return getInt(R.string.settings_key_card_note_font_size, R.integer.settings_card_note_font_size_sp);
+        return (int) (Math.round(fontSize / 2.0) - 1);
+    }
+
+    public int getFontSizeMax(int fontSize)
+    {
+        return (int) Math.round(fontSize * getFontSizeScale());
     }
 
     public boolean useMaxBrightnessDisplayingBarcode()
@@ -95,4 +100,14 @@ public class Settings
     {
         return getBoolean(R.string.settings_key_lock_barcode_orientation, false);
     }
+
+    public boolean getKeepScreenOn()
+    {
+        return getBoolean(R.string.settings_key_keep_screen_on, true);
+    }
+
+    public boolean getDisableLockscreenWhileViewingCard()
+    {
+        return getBoolean(R.string.settings_key_disable_lockscreen_while_viewing_card, true);
+    }
 }

app/src/main/java/protect/card_locker/preferences/SettingsActivity.java

@@ -1,13 +1,17 @@
 package protect.card_locker.preferences;
 
 import android.os.Bundle;
-import android.preference.Preference;
-import android.preference.PreferenceFragment;
+import android.view.MenuItem;
+
 import androidx.appcompat.app.ActionBar;
 import androidx.appcompat.app.AppCompatActivity;
 import androidx.appcompat.app.AppCompatDelegate;
-import android.view.MenuItem;
-
+import androidx.fragment.app.DialogFragment;
+import androidx.fragment.app.FragmentActivity;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceFragmentCompat;
+import nl.invissvenska.numberpickerpreference.NumberDialogPreference;
+import nl.invissvenska.numberpickerpreference.NumberPickerPreferenceDialogFragment;
 import protect.card_locker.R;
 
 public class SettingsActivity extends AppCompatActivity
@@ -16,16 +20,17 @@ public class SettingsActivity extends AppCompatActivity
     protected void onCreate(Bundle savedInstanceState)
     {
         super.onCreate(savedInstanceState);
+        setContentView(R.layout.settings_activity);
 
         ActionBar actionBar = getSupportActionBar();
         if(actionBar != null)
         {
-            getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+            actionBar.setDisplayHomeAsUpEnabled(true);
         }
 
         // Display the fragment as the main content.
-        getFragmentManager().beginTransaction()
-                .replace(android.R.id.content, new SettingsFragment())
+        getSupportFragmentManager().beginTransaction()
+                .replace(R.id.settings_container, new SettingsFragment())
                 .commit();
     }
 
@@ -43,17 +48,18 @@ public class SettingsActivity extends AppCompatActivity
         return super.onOptionsItemSelected(item);
     }
 
-    public static class SettingsFragment extends PreferenceFragment
+    public static class SettingsFragment extends PreferenceFragmentCompat
     {
+        private static final String DIALOG_FRAGMENT_TAG = "SettingsFragment";
         @Override
-        public void onCreate(final Bundle savedInstanceState)
+        public void onCreatePreferences(Bundle savedInstanceState, String rootKey)
         {
-            super.onCreate(savedInstanceState);
-
             // Load the preferences from an XML resource
             addPreferencesFromResource(R.xml.preferences);
 
-            findPreference(getResources().getString(R.string.settings_key_theme)).setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener()
+            Preference themePreference = findPreference(getResources().getString(R.string.settings_key_theme));
+            assert themePreference != null;
+            themePreference.setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener()
             {
                 @Override
                 public boolean onPreferenceChange(Preference preference, Object o)
@@ -71,11 +77,37 @@ public class SettingsActivity extends AppCompatActivity
                         AppCompatDelegate.setDefaultNightMode(AppCompatDelegate.MODE_NIGHT_FOLLOW_SYSTEM);
                     }
 
-                    getActivity().recreate();
+                    FragmentActivity activity = getActivity();
+                    if (activity != null) {
+                        activity.recreate();
+                    }
                     return true;
                 }
             });
         }
+
+        @Override
+        public void onDisplayPreferenceDialog(Preference preference)
+        {
+            if (preference instanceof NumberDialogPreference)
+            {
+                NumberDialogPreference dialogPreference = (NumberDialogPreference) preference;
+                DialogFragment dialogFragment = NumberPickerPreferenceDialogFragment
+                        .newInstance(
+                                dialogPreference.getKey(),
+                                dialogPreference.getMinValue(),
+                                dialogPreference.getMaxValue(),
+                                dialogPreference.getStepValue(),
+                                dialogPreference.getUnitText()
+                        );
+                dialogFragment.setTargetFragment(this, 0);
+                dialogFragment.show(getParentFragmentManager(), DIALOG_FRAGMENT_TAG);
+            }
+            else
+            {
+                super.onDisplayPreferenceDialog(preference);
+            }
+        }
     }
 }
 

app/src/main/res/animator/flip_left_in.xml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<set xmlns:android="http://schemas.android.com/apk/res/android">
+   <objectAnimator
+        android:duration="0"
+        android:propertyName="alpha"
+        android:valueFrom="1.0"
+        android:valueTo="0.0" />
+
+    <objectAnimator
+        android:duration="@integer/full_rotation_duration"
+        android:interpolator="@android:interpolator/accelerate_decelerate"
+        android:propertyName="rotationY"
+        android:valueFrom="-180"
+        android:valueTo="0" />
+
+    <objectAnimator
+        android:duration="1"
+        android:propertyName="alpha"
+        android:startOffset="@integer/half_rotation_duration"
+        android:valueFrom="0.0"
+        android:valueTo="1.0" />
+</set>

app/src/main/res/animator/flip_left_out.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<set xmlns:android="http://schemas.android.com/apk/res/android">
+    <objectAnimator
+        android:duration="@integer/full_rotation_duration"
+        android:interpolator="@android:interpolator/accelerate_decelerate"
+        android:propertyName="rotationY"
+        android:valueFrom="0"
+        android:valueTo="180" />
+
+   <objectAnimator
+        android:duration="1"
+        android:propertyName="alpha"
+        android:startOffset="@integer/half_rotation_duration"
+        android:valueFrom="1.0"
+        android:valueTo="0.0" />
+</set>

app/src/main/res/animator/flip_right_in.xml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<set xmlns:android="http://schemas.android.com/apk/res/android">
+   <objectAnimator
+        android:duration="0"
+        android:propertyName="alpha"
+        android:valueFrom="1.0"
+        android:valueTo="0.0" />
+
+    <objectAnimator
+        android:duration="@integer/full_rotation_duration"
+        android:interpolator="@android:interpolator/accelerate_decelerate"
+        android:propertyName="rotationY"
+        android:valueFrom="180"
+        android:valueTo="0" />
+
+    <objectAnimator
+        android:duration="1"
+        android:propertyName="alpha"
+        android:startOffset="@integer/half_rotation_duration"
+        android:valueFrom="0.0"
+        android:valueTo="1.0" />
+</set>

app/src/main/res/animator/flip_right_out.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<set xmlns:android="http://schemas.android.com/apk/res/android">
+    <objectAnimator
+        android:duration="@integer/full_rotation_duration"
+        android:interpolator="@android:interpolator/accelerate_decelerate"
+        android:propertyName="rotationY"
+        android:valueFrom="0"
+        android:valueTo="-180" />
+
+    <objectAnimator
+        android:duration="1"
+        android:propertyName="alpha"
+        android:startOffset="@integer/half_rotation_duration"
+        android:valueFrom="1.0"
+        android:valueTo="0.0" />
+</set>