Release Catima 1.0

* Basic group management

* Assign cards to groups

* Fix lint

* Fix findbugs 'dodgy code'

* Group name as unique key

* More group tests

* Import/export groups

* Implement group renaming and deleting

* Fix findBugs

* Fix chip marking in edit activity

* Group import/export tests

* Fix some state bugs

* Some last fixes

* Remove redundant if statement

* Fix findBugs

* Deduplicate code

* Cleanup

* Fix groups not showing up with new card

* Fix capture and enter button touching

* Fix dialog button look

.github/workflows/calibreapp-image-actions.yml

@@ -0,0 +1,31 @@
+name: Compress Images on Push to Master
+on:
+  push:
+    branches:
+      - master
+    paths:
+      - '**.jpg'
+      - '**.jpeg'
+      - '**.png'
+      - '**.webp'
+jobs:
+  build:
+    name: calibreapp/image-actions
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Repo
+        uses: actions/checkout@master
+      - name: Compress Images
+        id: calibre
+        uses: calibreapp/image-actions@master
+        with:
+          githubToken: ${{ secrets.GITHUB_TOKEN }}
+          compressOnly: true
+      - name: Create New Pull Request If Needed
+        if: steps.calibre.outputs.markdown != ''
+        uses: peter-evans/create-pull-request@master
+        with:
+          title: Compressed Images
+          branch-suffix: timestamp
+          commit-message: Compressed Images
+          body: ${{ steps.calibre.outputs.markdown }}

.tx/config

@@ -1,10 +0,0 @@
-[main]
-host = https://www.transifex.com
-
-[loyalty-card-locker.stringsxml]
-file_filter = app/src/main/res/values-<lang>/strings.xml
-minimum_perc = 0
-source_file = app/src/main/res/values/strings.xml
-source_lang = en
-type = ANDROID
-

CHANGELOG.md

@@ -1,3 +1,19 @@
+## Unreleased
+
+Changes:
+- Added rounded edges to card icons on main overview
+- Added support for grouping entries
+
+## v0.29 (2020-10-29)
+
+Changes:
+- Rebrand to Catima
+- Removed intro
+- Add floating action buttons
+- Fix Android 5 crash when opening About screen
+- Add favourites support
+- Fix disabled auto-rotate being ignored
+
 ## v0.28 (2020-03-09)
 
 Changes:

Gemfile

@@ -0,0 +1,3 @@
+source "https://rubygems.org"
+
+gem "fastlane"

Gemfile.lock

@@ -0,0 +1,180 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    CFPropertyList (3.0.2)
+    addressable (2.7.0)
+      public_suffix (>= 2.0.2, < 5.0)
+    atomos (0.1.3)
+    aws-eventstream (1.1.0)
+    aws-partitions (1.388.0)
+    aws-sdk-core (3.109.1)
+      aws-eventstream (~> 1, >= 1.0.2)
+      aws-partitions (~> 1, >= 1.239.0)
+      aws-sigv4 (~> 1.1)
+      jmespath (~> 1.0)
+    aws-sdk-kms (1.39.0)
+      aws-sdk-core (~> 3, >= 3.109.0)
+      aws-sigv4 (~> 1.1)
+    aws-sdk-s3 (1.83.1)
+      aws-sdk-core (~> 3, >= 3.109.0)
+      aws-sdk-kms (~> 1)
+      aws-sigv4 (~> 1.1)
+    aws-sigv4 (1.2.2)
+      aws-eventstream (~> 1, >= 1.0.2)
+    babosa (1.0.4)
+    claide (1.0.3)
+    colored (1.2)
+    colored2 (3.1.2)
+    commander-fastlane (4.4.6)
+      highline (~> 1.7.2)
+    declarative (0.0.20)
+    declarative-option (0.1.0)
+    digest-crc (0.6.1)
+      rake (~> 13.0)
+    domain_name (0.5.20190701)
+      unf (>= 0.0.5, < 1.0.0)
+    dotenv (2.7.6)
+    emoji_regex (3.2.0)
+    excon (0.78.0)
+    faraday (1.1.0)
+      multipart-post (>= 1.2, < 3)
+      ruby2_keywords
+    faraday-cookie_jar (0.0.7)
+      faraday (>= 0.8.0)
+      http-cookie (~> 1.0.0)
+    faraday_middleware (1.0.0)
+      faraday (~> 1.0)
+    fastimage (2.2.0)
+    fastlane (2.165.0)
+      CFPropertyList (>= 2.3, < 4.0.0)
+      addressable (>= 2.3, < 3.0.0)
+      aws-sdk-s3 (~> 1.0)
+      babosa (>= 1.0.3, < 2.0.0)
+      bundler (>= 1.12.0, < 3.0.0)
+      colored
+      commander-fastlane (>= 4.4.6, < 5.0.0)
+      dotenv (>= 2.1.1, < 3.0.0)
+      emoji_regex (>= 0.1, < 4.0)
+      excon (>= 0.71.0, < 1.0.0)
+      faraday (~> 1.0)
+      faraday-cookie_jar (~> 0.0.6)
+      faraday_middleware (~> 1.0)
+      fastimage (>= 2.1.0, < 3.0.0)
+      gh_inspector (>= 1.1.2, < 2.0.0)
+      google-api-client (>= 0.37.0, < 0.39.0)
+      google-cloud-storage (>= 1.15.0, < 2.0.0)
+      highline (>= 1.7.2, < 2.0.0)
+      json (< 3.0.0)
+      jwt (>= 2.1.0, < 3)
+      mini_magick (>= 4.9.4, < 5.0.0)
+      multipart-post (~> 2.0.0)
+      plist (>= 3.1.0, < 4.0.0)
+      rubyzip (>= 2.0.0, < 3.0.0)
+      security (= 0.1.3)
+      simctl (~> 1.6.3)
+      slack-notifier (>= 2.0.0, < 3.0.0)
+      terminal-notifier (>= 2.0.0, < 3.0.0)
+      terminal-table (>= 1.4.5, < 2.0.0)
+      tty-screen (>= 0.6.3, < 1.0.0)
+      tty-spinner (>= 0.8.0, < 1.0.0)
+      word_wrap (~> 1.0.0)
+      xcodeproj (>= 1.13.0, < 2.0.0)
+      xcpretty (~> 0.3.0)
+      xcpretty-travis-formatter (>= 0.0.3)
+    gh_inspector (1.1.3)
+    google-api-client (0.38.0)
+      addressable (~> 2.5, >= 2.5.1)
+      googleauth (~> 0.9)
+      httpclient (>= 2.8.1, < 3.0)
+      mini_mime (~> 1.0)
+      representable (~> 3.0)
+      retriable (>= 2.0, < 4.0)
+      signet (~> 0.12)
+    google-cloud-core (1.5.0)
+      google-cloud-env (~> 1.0)
+      google-cloud-errors (~> 1.0)
+    google-cloud-env (1.4.0)
+      faraday (>= 0.17.3, < 2.0)
+    google-cloud-errors (1.0.1)
+    google-cloud-storage (1.29.1)
+      addressable (~> 2.5)
+      digest-crc (~> 0.4)
+      google-api-client (~> 0.33)
+      google-cloud-core (~> 1.2)
+      googleauth (~> 0.9)
+      mini_mime (~> 1.0)
+    googleauth (0.14.0)
+      faraday (>= 0.17.3, < 2.0)
+      jwt (>= 1.4, < 3.0)
+      memoist (~> 0.16)
+      multi_json (~> 1.11)
+      os (>= 0.9, < 2.0)
+      signet (~> 0.14)
+    highline (1.7.10)
+    http-cookie (1.0.3)
+      domain_name (~> 0.5)
+    httpclient (2.8.3)
+    jmespath (1.4.0)
+    json (2.3.1)
+    jwt (2.2.2)
+    memoist (0.16.2)
+    mini_magick (4.10.1)
+    mini_mime (1.0.2)
+    multi_json (1.15.0)
+    multipart-post (2.0.0)
+    nanaimo (0.3.0)
+    naturally (2.2.0)
+    os (1.1.1)
+    plist (3.5.0)
+    public_suffix (4.0.6)
+    rake (13.0.1)
+    representable (3.0.4)
+      declarative (< 0.1.0)
+      declarative-option (< 0.2.0)
+      uber (< 0.2.0)
+    retriable (3.1.2)
+    rouge (2.0.7)
+    ruby2_keywords (0.0.2)
+    rubyzip (2.3.0)
+    security (0.1.3)
+    signet (0.14.0)
+      addressable (~> 2.3)
+      faraday (>= 0.17.3, < 2.0)
+      jwt (>= 1.5, < 3.0)
+      multi_json (~> 1.10)
+    simctl (1.6.8)
+      CFPropertyList
+      naturally
+    slack-notifier (2.3.2)
+    terminal-notifier (2.0.0)
+    terminal-table (1.8.0)
+      unicode-display_width (~> 1.1, >= 1.1.1)
+    tty-cursor (0.7.1)
+    tty-screen (0.8.1)
+    tty-spinner (0.9.3)
+      tty-cursor (~> 0.7)
+    uber (0.1.0)
+    unf (0.1.4)
+      unf_ext
+    unf_ext (0.0.7.7)
+    unicode-display_width (1.7.0)
+    word_wrap (1.0.0)
+    xcodeproj (1.19.0)
+      CFPropertyList (>= 2.3.3, < 4.0)
+      atomos (~> 0.1.3)
+      claide (>= 1.0.2, < 2.0)
+      colored2 (~> 3.1)
+      nanaimo (~> 0.3.0)
+    xcpretty (0.3.0)
+      rouge (~> 2.0.7)
+    xcpretty-travis-formatter (1.0.0)
+      xcpretty (~> 0.2, >= 0.0.7)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  fastlane
+
+BUNDLED WITH
+   2.1.4

app/build.gradle

@@ -13,8 +13,8 @@ android {
         applicationId "me.hackerchick.catima"
         minSdkVersion 16
         targetSdkVersion 29
-        versionCode 39
-        versionName "0.28"
+        versionCode 41
+        versionName "1.0"
     }
     buildTypes {
         release {
@@ -45,7 +45,7 @@ android {
 dependencies {
     compile fileTree(dir: 'libs', include: ['*.jar'])
     compile 'androidx.appcompat:appcompat:1.2.0'
-    compile 'com.google.android.material:material:1.2.0-alpha03'
+    compile 'com.google.android.material:material:1.2.1'
     compile 'androidx.legacy:legacy-support-v4:1.0.0'
     compile 'com.journeyapps:zxing-android-embedded:3.5.0@aar'
     compile 'com.google.zxing:core:3.3.0'
@@ -55,6 +55,7 @@ dependencies {
     compile group: 'com.google.guava', name: 'guava', version: '20.0'
     compile 'com.github.apl-devs:appintro:v4.2.0'
     compile "com.vanniktech:vntnumberpickerpreference:1.0.0"
+    implementation 'androidx.cardview:cardview:1.0.0'
     testCompile 'junit:junit:4.12'
     testCompile "org.robolectric:robolectric:4.0.2"
 }

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

@@ -12,4 +12,4 @@ public class ApplicationTest extends ApplicationTestCase<Application>
     {
         super(Application.class);
     }
-}
+}

app/src/main/AndroidManifest.xml

@@ -33,6 +33,11 @@
                 <category android:name="android.intent.category.LAUNCHER"/>
             </intent-filter>
         </activity>
+        <activity
+            android:name=".ManageGroupsActivity"
+            android:label="@string/groups"
+            android:theme="@style/AppTheme.NoActionBar">
+        </activity>
         <activity
             android:name=".LoyaltyCardViewActivity"
             android:theme="@style/AppTheme.NoActionBar"
@@ -42,7 +47,6 @@
         <activity
             android:name=".LoyaltyCardEditActivity"
             android:theme="@style/AppTheme.NoActionBar"
-            android:configChanges="orientation|screenSize"
             android:windowSoftInputMode="stateHidden"
             android:exported="true">
             <intent-filter android:label="@string/app_name">
@@ -62,21 +66,17 @@
             android:name=".BarcodeSelectorActivity"
             android:label="@string/selectBarcodeTitle"
             android:theme="@style/AppTheme.NoActionBar"
-            android:configChanges="orientation|screenSize"
             android:windowSoftInputMode="stateHidden"/>
         <activity
             android:name=".preferences.SettingsActivity"
-            android:label="@string/settings"
-            android:configChanges="orientation|screenSize"/>
+            android:label="@string/settings"/>
         <activity
             android:name=".ImportExportActivity"
             android:label="@string/importExport"
-            android:configChanges="orientation|screenSize"
             android:theme="@style/AppTheme.NoActionBar"/>
         <activity
             android:name=".CardShortcutConfigure"
             android:label="@string/cardShortcut"
-            android:configChanges="orientation|screenSize"
             android:theme="@style/AppTheme.NoActionBar">
             <intent-filter>
                 <action android:name="android.intent.action.CREATE_SHORTCUT"/>

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

@@ -18,28 +18,21 @@ public class CsvDatabaseExporter implements DatabaseExporter
     {
         CSVPrinter printer = new CSVPrinter(output, CSVFormat.RFC4180);
 
-        // Print the header
-        printer.printRecord(DBHelper.LoyaltyCardDbIds.ID,
-                DBHelper.LoyaltyCardDbIds.STORE,
-                DBHelper.LoyaltyCardDbIds.NOTE,
-                DBHelper.LoyaltyCardDbIds.CARD_ID,
-                DBHelper.LoyaltyCardDbIds.HEADER_COLOR,
-                DBHelper.LoyaltyCardDbIds.HEADER_TEXT_COLOR,
-                DBHelper.LoyaltyCardDbIds.BARCODE_TYPE);
+        // Print the version
+        printer.printRecord("2");
 
-        Cursor cursor = db.getLoyaltyCardCursor();
+        printer.println();
 
-        while(cursor.moveToNext())
+        // Print the header for groups
+        printer.printRecord(DBHelper.LoyaltyCardDbGroups.ID);
+
+        Cursor groupCursor = db.getGroupCursor();
+
+        while(groupCursor.moveToNext())
         {
-            LoyaltyCard card = LoyaltyCard.toLoyaltyCard(cursor);
+            Group group = Group.toGroup(groupCursor);
 
-            printer.printRecord(card.id,
-                    card.store,
-                    card.note,
-                    card.cardId,
-                    card.headerColor,
-                    card.headerTextColor,
-                    card.barcodeType);
+            printer.printRecord(group._id);
 
             if(Thread.currentThread().isInterrupted())
             {
@@ -47,7 +40,68 @@ public class CsvDatabaseExporter implements DatabaseExporter
             }
         }
 
-        cursor.close();
+        groupCursor.close();
+
+        // Print an empty line
+        printer.println();
+
+        // Print the header for cards
+        printer.printRecord(DBHelper.LoyaltyCardDbIds.ID,
+                DBHelper.LoyaltyCardDbIds.STORE,
+                DBHelper.LoyaltyCardDbIds.NOTE,
+                DBHelper.LoyaltyCardDbIds.CARD_ID,
+                DBHelper.LoyaltyCardDbIds.HEADER_COLOR,
+                DBHelper.LoyaltyCardDbIds.HEADER_TEXT_COLOR,
+                DBHelper.LoyaltyCardDbIds.BARCODE_TYPE,
+                DBHelper.LoyaltyCardDbIds.STAR_STATUS);
+
+        Cursor cardCursor = db.getLoyaltyCardCursor();
+
+        while(cardCursor.moveToNext())
+        {
+            LoyaltyCard card = LoyaltyCard.toLoyaltyCard(cardCursor);
+
+            printer.printRecord(card.id,
+                    card.store,
+                    card.note,
+                    card.cardId,
+                    card.headerColor,
+                    card.headerTextColor,
+                    card.barcodeType,
+                    card.starStatus);
+
+            if(Thread.currentThread().isInterrupted())
+            {
+                throw new InterruptedException();
+            }
+        }
+
+        cardCursor.close();
+
+        // Print an empty line
+        printer.println();
+
+        // Print the header for card group mappings
+        printer.printRecord(DBHelper.LoyaltyCardDbIdsGroups.cardID,
+                DBHelper.LoyaltyCardDbIdsGroups.groupID);
+
+        Cursor cardCursor2 = db.getLoyaltyCardCursor();
+
+        while(cardCursor2.moveToNext())
+        {
+            LoyaltyCard card = LoyaltyCard.toLoyaltyCard(cardCursor2);
+
+            for (Group group : db.getLoyaltyCardGroups(card.id)) {
+                printer.printRecord(card.id, group._id);
+            }
+
+            if(Thread.currentThread().isInterrupted())
+            {
+                throw new InterruptedException();
+            }
+        }
+
+        cardCursor2.close();
 
         printer.close();
     }

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

@@ -6,8 +6,11 @@ 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.InputStreamReader;
+import java.io.StringReader;
+import java.util.List;
 
 /**
  * Class for importing a database from CSV (Comma Separate Values)
@@ -19,6 +22,34 @@ import java.io.InputStreamReader;
 public class CsvDatabaseImporter implements DatabaseImporter
 {
     public void importData(DBHelper db, InputStreamReader input) throws IOException, FormatException, InterruptedException
+    {
+        BufferedReader bufferedReader = new BufferedReader(input);
+
+        bufferedReader.mark(100);
+
+        Integer version = 1;
+
+        try {
+            version = Integer.parseInt(bufferedReader.readLine());
+        } catch (NumberFormatException _e) {
+            // Assume version 1
+        }
+
+        bufferedReader.reset();
+
+        switch (version) {
+            case 1:
+                parseV1(db, bufferedReader);
+                break;
+            case 2:
+                parseV2(db, bufferedReader);
+                break;
+            default:
+                throw new FormatException(String.format("No code to parse version %s", version));
+        }
+    }
+
+    public void parseV1(DBHelper db, BufferedReader input) throws IOException, FormatException, InterruptedException
     {
         final CSVParser parser = new CSVParser(input, CSVFormat.RFC4180.withHeader());
 
@@ -51,6 +82,116 @@ public class CsvDatabaseImporter implements DatabaseImporter
         }
     }
 
+    public void parseV2(DBHelper db, BufferedReader input) throws IOException, FormatException, InterruptedException
+    {
+        SQLiteDatabase database = db.getWritableDatabase();
+        database.beginTransaction();
+
+        Integer part = 0;
+        String stringPart = "";
+
+        try {
+            while (true) {
+                String tmp = input.readLine();
+
+                if (tmp == null || tmp.isEmpty()) {
+                    switch (part) {
+                        case 0:
+                            // This is the version info, ignore
+                            break;
+                        case 1:
+                            parseV2Groups(db, database, stringPart);
+                            break;
+                        case 2:
+                            parseV2Cards(db, database, stringPart);
+                            break;
+                        case 3:
+                            parseV2CardGroups(db, database, stringPart);
+                            break;
+                        default:
+                            throw new FormatException("Issue parsing CSV data, too many parts for v2 parsing");
+                    }
+
+                    if (tmp == null) {
+                        break;
+                    }
+
+                    part += 1;
+                    stringPart = "";
+                } else {
+                    stringPart += tmp + "\n";
+                }
+            }
+            database.setTransactionSuccessful();
+        } catch (FormatException e) {
+            throw new FormatException("Issue parsing CSV data", e);
+        } finally {
+            database.endTransaction();
+            database.close();
+        }
+    }
+
+
+    public void parseV2Groups(DBHelper db, SQLiteDatabase database, String data) throws IOException, FormatException, InterruptedException
+    {
+        // Parse groups
+        final CSVParser groupParser = new CSVParser(new StringReader(data), CSVFormat.RFC4180.withHeader());
+
+        try {
+            for (CSVRecord record : groupParser) {
+                importGroup(database, db, record);
+
+                if (Thread.currentThread().isInterrupted()) {
+                    throw new InterruptedException();
+                }
+            }
+
+            groupParser.close();
+        } catch (IllegalArgumentException | IllegalStateException e) {
+            throw new FormatException("Issue parsing CSV data", e);
+        }
+    }
+
+    public void parseV2Cards(DBHelper db, SQLiteDatabase database, String data) throws IOException, FormatException, InterruptedException
+    {
+        // Parse cards
+        final CSVParser cardParser = new CSVParser(new StringReader(data), CSVFormat.RFC4180.withHeader());
+
+        try {
+            for (CSVRecord record : cardParser) {
+                importLoyaltyCard(database, db, record);
+
+                if (Thread.currentThread().isInterrupted()) {
+                    throw new InterruptedException();
+                }
+            }
+
+            cardParser.close();
+        } catch (IllegalArgumentException | IllegalStateException e) {
+            throw new FormatException("Issue parsing CSV data", e);
+        }
+    }
+
+    public void parseV2CardGroups(DBHelper db, SQLiteDatabase database, String data) throws IOException, FormatException, InterruptedException
+    {
+        // Parse card group mappings
+        final CSVParser cardGroupParser = new CSVParser(new StringReader(data), CSVFormat.RFC4180.withHeader());
+
+        try {
+            for (CSVRecord record : cardGroupParser) {
+                importCardGroupMapping(database, db, record);
+
+                if (Thread.currentThread().isInterrupted()) {
+                    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
@@ -142,6 +283,41 @@ public class CsvDatabaseImporter implements DatabaseImporter
             headerTextColor = extractInt(DBHelper.LoyaltyCardDbIds.HEADER_TEXT_COLOR, record, true);
         }
 
-        helper.insertLoyaltyCard(database, id, store, note, cardId, barcodeType, headerColor, headerTextColor);
+        int starStatus = 0;
+        try {
+            starStatus = 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, headerTextColor, starStatus);
     }
-}
+
+    /**
+     * Import a single group into the database using the given
+     * session.
+     */
+    private void importGroup(SQLiteDatabase database, DBHelper helper, CSVRecord record)
+            throws IOException, FormatException
+    {
+        String id = extractString(DBHelper.LoyaltyCardDbGroups.ID, record, null);
+
+        helper.insertGroup(database, id);
+    }
+
+    /**
+     * Import a single card to group mapping into the database using the given
+     * session.
+     */
+    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);
+
+        List<Group> cardGroups = helper.getLoyaltyCardGroups(cardId);
+        cardGroups.add(helper.getGroup(groupId));
+        helper.setLoyaltyCardGroups(database, cardId, cardGroups);
+    }
+}

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

@@ -1,17 +1,25 @@
 package protect.card_locker;
 
-
 import android.content.ContentValues;
 import android.content.Context;
 import android.database.Cursor;
 import android.database.sqlite.SQLiteDatabase;
 import android.database.sqlite.SQLiteOpenHelper;
 
+import java.util.ArrayList;
+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 = 3;
+    public static final int DATABASE_VERSION = 5;
+
+    static class LoyaltyCardDbGroups
+    {
+        public static final String TABLE = "groups";
+        public static final String ID = "_id";
+    }
 
     static class LoyaltyCardDbIds
     {
@@ -23,6 +31,14 @@ public class DBHelper extends SQLiteOpenHelper
         public static final String HEADER_TEXT_COLOR = "headertextcolor";
         public static final String CARD_ID = "cardid";
         public static final String BARCODE_TYPE = "barcodetype";
+        public static final String STAR_STATUS = "starstatus";
+    }
+
+    static class LoyaltyCardDbIdsGroups
+    {
+        public static final String TABLE = "cardsGroups";
+        public static final String cardID = "cardId";
+        public static final String groupID = "groupId";
     }
 
     public DBHelper(Context context)
@@ -33,7 +49,11 @@ public class DBHelper extends SQLiteOpenHelper
     @Override
     public void onCreate(SQLiteDatabase db)
     {
-        // create table for gift cards
+        // create table for card groups
+        db.execSQL("create table " + LoyaltyCardDbGroups.TABLE + "(" +
+                LoyaltyCardDbGroups.ID + " TEXT primary key not null)");
+
+        // create table for cards
         db.execSQL("create table " + LoyaltyCardDbIds.TABLE + "(" +
                 LoyaltyCardDbIds.ID + " INTEGER primary key autoincrement," +
                 LoyaltyCardDbIds.STORE + " TEXT not null," +
@@ -41,7 +61,14 @@ public class DBHelper extends SQLiteOpenHelper
                 LoyaltyCardDbIds.HEADER_COLOR + " INTEGER," +
                 LoyaltyCardDbIds.HEADER_TEXT_COLOR + " INTEGER," +
                 LoyaltyCardDbIds.CARD_ID + " TEXT not null," +
-                LoyaltyCardDbIds.BARCODE_TYPE + " TEXT not null)");
+                LoyaltyCardDbIds.BARCODE_TYPE + " TEXT not null," +
+                LoyaltyCardDbIds.STAR_STATUS + " INTEGER DEFAULT '0' )");
+
+        // create associative table for cards in groups
+        db.execSQL("create table " + LoyaltyCardDbIdsGroups.TABLE + "(" +
+                LoyaltyCardDbIdsGroups.cardID + " INTEGER," +
+                LoyaltyCardDbIdsGroups.groupID + " TEXT," +
+                "primary key (" + LoyaltyCardDbIdsGroups.cardID + "," + LoyaltyCardDbIdsGroups.groupID +"))");
     }
 
     @Override
@@ -62,11 +89,30 @@ public class DBHelper extends SQLiteOpenHelper
             db.execSQL("ALTER TABLE " + LoyaltyCardDbIds.TABLE
                     + " ADD COLUMN " + LoyaltyCardDbIds.HEADER_TEXT_COLOR + " INTEGER");
         }
+
+        // Upgrade from version 3 to version 4
+        if(oldVersion < 4 && newVersion >= 4)
+        {
+            db.execSQL("ALTER TABLE " + LoyaltyCardDbIds.TABLE
+                    + " ADD COLUMN " + LoyaltyCardDbIds.STAR_STATUS + " INTEGER DEFAULT '0'");
+        }
+
+        // Upgrade from version 4 to version 5
+        if(oldVersion < 5 && newVersion >= 5)
+        {
+            db.execSQL("create table " + LoyaltyCardDbGroups.TABLE + "(" +
+                    LoyaltyCardDbGroups.ID + " TEXT primary key not null)");
+
+            db.execSQL("create table " + LoyaltyCardDbIdsGroups.TABLE + "(" +
+                    LoyaltyCardDbIdsGroups.cardID + " INTEGER," +
+                    LoyaltyCardDbIdsGroups.groupID + " TEXT," +
+                    "primary key (" + LoyaltyCardDbIdsGroups.cardID + "," + LoyaltyCardDbIdsGroups.groupID +"))");
+        }
     }
 
     public long insertLoyaltyCard(final String store, final String note, final String cardId,
                                   final String barcodeType, final Integer headerColor,
-                                  final Integer headerTextColor)
+                                  final Integer headerTextColor, final int starStatus)
     {
         SQLiteDatabase db = getWritableDatabase();
         ContentValues contentValues = new ContentValues();
@@ -76,14 +122,15 @@ public class DBHelper extends SQLiteOpenHelper
         contentValues.put(LoyaltyCardDbIds.BARCODE_TYPE, barcodeType);
         contentValues.put(LoyaltyCardDbIds.HEADER_COLOR, headerColor);
         contentValues.put(LoyaltyCardDbIds.HEADER_TEXT_COLOR, headerTextColor);
+        contentValues.put(LoyaltyCardDbIds.STAR_STATUS, starStatus);
         final long newId = db.insert(LoyaltyCardDbIds.TABLE, null, contentValues);
         return newId;
     }
 
-    public boolean insertLoyaltyCard(final SQLiteDatabase db, final int id,
-                                     final String store, final String note, final String cardId,
+    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 Integer headerTextColor)
+                                     final Integer headerTextColor, final int starStatus)
     {
         ContentValues contentValues = new ContentValues();
         contentValues.put(LoyaltyCardDbIds.ID, id);
@@ -93,11 +140,11 @@ public class DBHelper extends SQLiteOpenHelper
         contentValues.put(LoyaltyCardDbIds.BARCODE_TYPE, barcodeType);
         contentValues.put(LoyaltyCardDbIds.HEADER_COLOR, headerColor);
         contentValues.put(LoyaltyCardDbIds.HEADER_TEXT_COLOR, headerTextColor);
+        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 Integer headerColor, final Integer headerTextColor)
@@ -116,6 +163,17 @@ public class DBHelper extends SQLiteOpenHelper
         return (rowsUpdated == 1);
     }
 
+    public boolean updateLoyaltyCardStarStatus(final int id, final int starStatus)
+    {
+        SQLiteDatabase db = getWritableDatabase();
+        ContentValues contentValues = new ContentValues();
+        contentValues.put(LoyaltyCardDbIds.STAR_STATUS,starStatus);
+        int rowsUpdated = db.update(LoyaltyCardDbIds.TABLE, contentValues,
+                LoyaltyCardDbIds.ID + "=?",
+                new String[]{Integer.toString(id)});
+        return (rowsUpdated == 1);
+    }
+
     public LoyaltyCard getLoyaltyCard(final int id)
     {
         SQLiteDatabase db = getReadableDatabase();
@@ -127,6 +185,7 @@ public class DBHelper extends SQLiteOpenHelper
         if(data.getCount() == 1)
         {
             data.moveToFirst();
+
             card = LoyaltyCard.toLoyaltyCard(data);
         }
 
@@ -135,12 +194,76 @@ public class DBHelper extends SQLiteOpenHelper
         return card;
     }
 
+    public List<Group> getLoyaltyCardGroups(final int id)
+    {
+        SQLiteDatabase db = getReadableDatabase();
+        Cursor data = db.rawQuery("select * from " + LoyaltyCardDbGroups.TABLE + " g " +
+                " LEFT JOIN " + LoyaltyCardDbIdsGroups.TABLE + " ig ON ig." + LoyaltyCardDbIdsGroups.groupID + " = g." + LoyaltyCardDbGroups.ID +
+                " where " + LoyaltyCardDbIdsGroups.cardID + "=?" +
+                " ORDER BY " + LoyaltyCardDbIdsGroups.groupID, new String[]{String.format("%d", id)});
+
+        List<Group> groups = new ArrayList<>();
+
+        if (!data.moveToFirst()) {
+            return groups;
+        }
+
+        groups.add(Group.toGroup(data));
+
+        while (data.moveToNext()) {
+            groups.add(Group.toGroup(data));
+        }
+
+        return groups;
+    }
+
+    public void setLoyaltyCardGroups(final int id, List<Group> groups)
+    {
+        SQLiteDatabase db = getWritableDatabase();
+
+        // First delete lookup table entries associated with this card
+        db.delete(LoyaltyCardDbIdsGroups.TABLE,
+                LoyaltyCardDbIdsGroups.cardID + " = ? ",
+                new String[]{String.format("%d", id)});
+
+        // Then create entries for selected values
+        for (Group group : groups) {
+            ContentValues contentValues = new ContentValues();
+            contentValues.put(LoyaltyCardDbIdsGroups.cardID, id);
+            contentValues.put(LoyaltyCardDbIdsGroups.groupID, group._id);
+            db.insert(LoyaltyCardDbIdsGroups.TABLE, null, contentValues);
+        }
+    }
+
+    public void setLoyaltyCardGroups(final SQLiteDatabase db, final int id, List<Group> groups)
+    {
+        // First delete lookup table entries associated with this card
+        db.delete(LoyaltyCardDbIdsGroups.TABLE,
+                LoyaltyCardDbIdsGroups.cardID + " = ? ",
+                new String[]{String.format("%d", id)});
+
+        // Then create entries for selected values
+        for (Group group : groups) {
+            ContentValues contentValues = new ContentValues();
+            contentValues.put(LoyaltyCardDbIdsGroups.cardID, id);
+            contentValues.put(LoyaltyCardDbIdsGroups.groupID, group._id);
+            db.insert(LoyaltyCardDbIdsGroups.TABLE, null, contentValues);
+        }
+    }
+
     public boolean deleteLoyaltyCard (final int id)
     {
         SQLiteDatabase db = getWritableDatabase();
-        int rowsDeleted =  db.delete(LoyaltyCardDbIds.TABLE,
+        // Delete card
+        int rowsDeleted = db.delete(LoyaltyCardDbIds.TABLE,
                 LoyaltyCardDbIds.ID + " = ? ",
                 new String[]{String.format("%d", id)});
+
+        // And delete lookup table entries associated with this card
+        db.delete(LoyaltyCardDbIdsGroups.TABLE,
+                LoyaltyCardDbIdsGroups.cardID + " = ? ",
+                new String[]{String.format("%d", id)});
+
         return (rowsDeleted == 1);
     }
 
@@ -157,16 +280,52 @@ public class DBHelper extends SQLiteOpenHelper
      * @return Cursor
      */
     public Cursor getLoyaltyCardCursor(final String filter)
+    {
+        return getLoyaltyCardCursor(filter, null);
+    }
+
+    /**
+     * Returns a cursor to all loyalty cards with the filter text in either the store or note in a certain group.
+     *
+     * @param filter
+     * @param group
+     * @return Cursor
+     */
+    public Cursor getLoyaltyCardCursor(final String filter, Group group)
     {
         String actualFilter = String.format("%%%s%%", filter);
         String[] selectionArgs = { actualFilter, actualFilter };
+        StringBuilder groupFilter = new StringBuilder();
+        String limitString = "";
 
         SQLiteDatabase db = getReadableDatabase();
 
+        if (group != null) {
+            List<Integer> allowedIds = getGroupCardIds(group._id);
+
+            // Empty group
+            if (allowedIds.size() > 0) {
+                groupFilter.append("AND (");
+
+                for (int i = 0; i < allowedIds.size(); i++) {
+                    groupFilter.append(LoyaltyCardDbIds.ID + " = " + allowedIds.get(i));
+                    if (i != allowedIds.size() - 1) {
+                        groupFilter.append(" OR ");
+                    }
+                }
+                groupFilter.append(") ");
+            } else {
+                limitString = "LIMIT 0";
+            }
+        }
+
         Cursor res = db.rawQuery("select * from " + LoyaltyCardDbIds.TABLE +
-                " WHERE " + LoyaltyCardDbIds.STORE + "  LIKE ? " +
-                " OR " + LoyaltyCardDbIds.NOTE + " LIKE ? " +
-                " ORDER BY " + LoyaltyCardDbIds.STORE + " COLLATE NOCASE ASC", selectionArgs, null);
+                " WHERE (" + LoyaltyCardDbIds.STORE + "  LIKE ? " +
+                " OR " + LoyaltyCardDbIds.NOTE + " LIKE ? )" +
+                groupFilter.toString() +
+                " ORDER BY " + LoyaltyCardDbIds.STAR_STATUS + " DESC," + LoyaltyCardDbIds.STORE + " COLLATE NOCASE ASC " +
+                limitString, selectionArgs, null);
+
         return res;
     }
 
@@ -205,5 +364,172 @@ public class DBHelper extends SQLiteOpenHelper
 
         return numItems;
     }
+
+    /**
+     * Returns a cursor to all groups.
+     *
+     * @return Cursor
+     */
+    public Cursor getGroupCursor()
+    {
+        SQLiteDatabase db = getReadableDatabase();
+
+        Cursor res = db.rawQuery("select * from " + LoyaltyCardDbGroups.TABLE +
+                " ORDER BY " + LoyaltyCardDbGroups.ID + " COLLATE NOCASE ASC", null, null);
+        return res;
+    }
+
+    public List<Group> getGroups() {
+        Cursor data = getGroupCursor();
+
+        List<Group> groups = new ArrayList<>();
+
+        if (!data.moveToFirst()) {
+            return groups;
+        }
+
+        groups.add(Group.toGroup(data));
+
+        while (data.moveToNext()) {
+            groups.add(Group.toGroup(data));
+        }
+
+        return groups;
+    }
+
+    public Group getGroup(final String groupName)
+    {
+        SQLiteDatabase db = getReadableDatabase();
+        Cursor data = db.rawQuery("select * from " + LoyaltyCardDbGroups.TABLE +
+                " where " + LoyaltyCardDbGroups.ID + "=?", new String[]{groupName});
+
+        Group group = null;
+
+        if(data.getCount() == 1)
+        {
+            data.moveToFirst();
+
+            group = Group.toGroup(data);
+        }
+
+        data.close();
+
+        return group;
+    }
+
+    public int getGroupCount()
+    {
+        SQLiteDatabase db = getReadableDatabase();
+        Cursor data =  db.rawQuery("SELECT Count(*) FROM " + LoyaltyCardDbGroups.TABLE, null);
+
+        int numItems = 0;
+
+        if(data.getCount() == 1)
+        {
+            data.moveToFirst();
+            numItems = data.getInt(0);
+        }
+
+        data.close();
+
+        return numItems;
+    }
+
+    public List<Integer> getGroupCardIds(final String groupName)
+    {
+        SQLiteDatabase db = getReadableDatabase();
+        Cursor data =  db.rawQuery("SELECT " + LoyaltyCardDbIdsGroups.cardID +
+                " FROM " + LoyaltyCardDbIdsGroups.TABLE +
+                " WHERE " + LoyaltyCardDbIdsGroups.groupID + " =? ", new String[]{groupName});
+
+        List<Integer> cardIds = new ArrayList<>();
+
+        if (!data.moveToFirst()) {
+            return cardIds;
+        }
+
+        cardIds.add(data.getInt(0));
+
+        while (data.moveToNext()) {
+            cardIds.add(data.getInt(0));
+        }
+
+        data.close();
+
+        return cardIds;
+    }
+
+    public long insertGroup(final String name)
+    {
+        if (name.isEmpty()) return -1;
+
+        SQLiteDatabase db = getWritableDatabase();
+        ContentValues contentValues = new ContentValues();
+        contentValues.put(LoyaltyCardDbGroups.ID, name);
+        final long newId = db.insert(LoyaltyCardDbGroups.TABLE, null, contentValues);
+        return newId;
+    }
+
+    public boolean insertGroup(final SQLiteDatabase db, final String name)
+    {
+        ContentValues contentValues = new ContentValues();
+        contentValues.put(LoyaltyCardDbGroups.ID, name);
+        final long newId = db.insert(LoyaltyCardDbGroups.TABLE, null, contentValues);
+        return (newId != -1);
+    }
+
+    public boolean updateGroup(final String groupName, final String newName)
+    {
+        if (newName.isEmpty()) return false;
+
+        SQLiteDatabase db = getWritableDatabase();
+        ContentValues contentValues = new ContentValues();
+        contentValues.put(LoyaltyCardDbGroups.ID, newName);
+        try {
+            int rowsUpdated = db.update(LoyaltyCardDbGroups.TABLE, contentValues,
+                    LoyaltyCardDbGroups.ID + "=?",
+                    new String[]{groupName});
+            return (rowsUpdated == 1);
+        } catch (android.database.sqlite.SQLiteConstraintException _e) {
+            return false;
+        }
+    }
+
+    public boolean deleteGroup(final String groupName)
+    {
+        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});
+
+        return (rowsDeleted == 1);
+    }
+
+    public int getGroupCardCount(final String groupName)
+    {
+        SQLiteDatabase db = getReadableDatabase();
+
+        Cursor data =  db.rawQuery("SELECT Count(*) FROM " + LoyaltyCardDbIdsGroups.TABLE +
+                " where " + LoyaltyCardDbIdsGroups.groupID + "=?",
+                new String[]{groupName});
+
+        int numItems = 0;
+
+        if(data.getCount() == 1)
+        {
+            data.moveToFirst();
+            numItems = data.getInt(0);
+        }
+
+        data.close();
+
+        return numItems;
+    }
 }
 

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

@@ -0,0 +1,20 @@
+package protect.card_locker;
+
+import android.database.Cursor;
+
+public class Group
+{
+    public final String _id;
+
+    public Group(final String _id)
+    {
+        this._id = _id;
+    }
+
+    public static Group toGroup(Cursor cursor)
+    {
+        String _id = cursor.getString(cursor.getColumnIndexOrThrow(DBHelper.LoyaltyCardDbGroups.ID));
+
+        return new Group(_id);
+    }
+}

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

@@ -0,0 +1,53 @@
+package protect.card_locker;
+
+import android.content.Context;
+import android.database.Cursor;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.CursorAdapter;
+import android.widget.TextView;
+
+import protect.card_locker.preferences.Settings;
+
+class GroupCursorAdapter extends CursorAdapter
+{
+    Settings settings;
+    DBHelper db;
+
+    public GroupCursorAdapter(Context context, Cursor cursor)
+    {
+        super(context, cursor, 0);
+        settings = new Settings(context);
+
+        db = new DBHelper(context);
+    }
+
+    // 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)
+    {
+        return LayoutInflater.from(context).inflate(R.layout.group_layout, parent, false);
+    }
+
+    // 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)
+    {
+        // Find fields to populate in inflated template
+        TextView nameField = (TextView) view.findViewById(R.id.name);
+        TextView countField = (TextView) view.findViewById(R.id.cardCount);
+
+        // Extract properties from cursor
+        Group group = Group.toGroup(cursor);
+
+        // 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());
+    }
+}

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

@@ -10,9 +10,12 @@ public class ImportURIHelper {
     private static final String NOTE = DBHelper.LoyaltyCardDbIds.NOTE;
     private static final String CARD_ID = DBHelper.LoyaltyCardDbIds.CARD_ID;
     private static final String BARCODE_TYPE = DBHelper.LoyaltyCardDbIds.BARCODE_TYPE;
+
     private static final String HEADER_COLOR = DBHelper.LoyaltyCardDbIds.HEADER_COLOR;
     private static final String HEADER_TEXT_COLOR = DBHelper.LoyaltyCardDbIds.HEADER_TEXT_COLOR;
 
+
+
     private final Context context;
     private final String host;
     private final String path;
@@ -47,6 +50,8 @@ public class ImportURIHelper {
             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 unparsedHeaderColor = uri.getQueryParameter(HEADER_COLOR);
             if(unparsedHeaderColor != null)
             {
@@ -57,7 +62,8 @@ public class ImportURIHelper {
             {
                 headerTextColor = Integer.parseInt(unparsedHeaderTextColor);
             }
-            return new LoyaltyCard(-1, store, note, cardId, barcodeType, headerColor, headerTextColor);
+
+            return new LoyaltyCard(-1, store, note, cardId, barcodeType, headerColor, headerTextColor, 0);
         } catch (NullPointerException | NumberFormatException ex) {
             throw new InvalidObjectException("Not a valid import URI");
         }
@@ -81,7 +87,7 @@ public class ImportURIHelper {
         {
             uriBuilder.appendQueryParameter(HEADER_TEXT_COLOR, loyaltyCard.headerTextColor.toString());
         }
-
+        //StarStatus will not be exported
         return uriBuilder.build();
     }
 

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

@@ -1,6 +1,7 @@
 package protect.card_locker;
 
 import android.database.Cursor;
+
 import androidx.annotation.Nullable;
 
 public class LoyaltyCard
@@ -17,8 +18,11 @@ public class LoyaltyCard
     @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)
+                       final String barcodeType, final Integer headerColor, final Integer headerTextColor,
+                       final int starStatus)
     {
         this.id = id;
         this.store = store;
@@ -27,6 +31,7 @@ public class LoyaltyCard
         this.barcodeType = barcodeType;
         this.headerColor = headerColor;
         this.headerTextColor = headerTextColor;
+        this.starStatus = starStatus;
     }
 
     public static LoyaltyCard toLoyaltyCard(Cursor cursor)
@@ -36,6 +41,8 @@ public class LoyaltyCard
         String note = cursor.getString(cursor.getColumnIndexOrThrow(DBHelper.LoyaltyCardDbIds.NOTE));
         String cardId = cursor.getString(cursor.getColumnIndexOrThrow(DBHelper.LoyaltyCardDbIds.CARD_ID));
         String barcodeType = cursor.getString(cursor.getColumnIndexOrThrow(DBHelper.LoyaltyCardDbIds.BARCODE_TYPE));
+        int starred = cursor.getInt(cursor.getColumnIndexOrThrow(DBHelper.LoyaltyCardDbIds.STAR_STATUS));
+
 
         int headerColorColumn = cursor.getColumnIndexOrThrow(DBHelper.LoyaltyCardDbIds.HEADER_COLOR);
         int headerTextColorColumn = cursor.getColumnIndexOrThrow(DBHelper.LoyaltyCardDbIds.HEADER_TEXT_COLOR);
@@ -53,6 +60,6 @@ public class LoyaltyCard
             headerTextColor = cursor.getInt(headerTextColorColumn);
         }
 
-        return new LoyaltyCard(id, store, note, cardId, barcodeType, headerColor, headerTextColor);
+        return new LoyaltyCard(id, store, note, cardId, barcodeType, headerColor, headerTextColor, starred);
     }
 }

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

@@ -2,23 +2,27 @@ package protect.card_locker;
 
 import android.content.Context;
 import android.database.Cursor;
+import android.graphics.Color;
+import android.graphics.PorterDuff;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.CursorAdapter;
 import android.widget.ImageView;
 import android.widget.TextView;
-
 import protect.card_locker.preferences.Settings;
 
 class LoyaltyCardCursorAdapter extends CursorAdapter
 {
     Settings settings;
+    boolean darkModeEnabled;
 
     public LoyaltyCardCursorAdapter(Context context, Cursor cursor)
     {
         super(context, cursor, 0);
         settings = new Settings(context);
+        darkModeEnabled= MainActivity.isDarkModeEnabled(context);
+
     }
 
     // The newView method is used to inflate a new view and return it,
@@ -36,8 +40,14 @@ class LoyaltyCardCursorAdapter extends CursorAdapter
     {
         // Find fields to populate in inflated template
         ImageView thumbnail = view.findViewById(R.id.thumbnail);
-        TextView storeField = (TextView) view.findViewById(R.id.store);
-        TextView noteField = (TextView) view.findViewById(R.id.note);
+        TextView storeField = view.findViewById(R.id.store);
+        TextView noteField = view.findViewById(R.id.note);
+        ImageView star = view.findViewById(R.id.star);
+
+        if(darkModeEnabled)
+        {
+            star.setColorFilter(Color.WHITE, PorterDuff.Mode.SRC_ATOP);
+        }
 
         // Extract properties from cursor
         LoyaltyCard loyaltyCard = LoyaltyCard.toLoyaltyCard(cursor);
@@ -47,7 +57,7 @@ class LoyaltyCardCursorAdapter extends CursorAdapter
 
         storeField.setTextSize(settings.getCardTitleListFontSize());
 
-        if(loyaltyCard.note.isEmpty() == false)
+        if(!loyaltyCard.note.isEmpty())
         {
             noteField.setVisibility(View.VISIBLE);
             noteField.setText(loyaltyCard.note);
@@ -58,6 +68,9 @@ class LoyaltyCardCursorAdapter extends CursorAdapter
             noteField.setVisibility(View.GONE);
         }
 
+        if (loyaltyCard.starStatus!=0) star.setVisibility(View.VISIBLE);
+            else star.setVisibility(View.GONE);
+
         int tileLetterFontSize = context.getResources().getDimensionPixelSize(R.dimen.tileLetterFontSize);
         int pixelSize = context.getResources().getDimensionPixelSize(R.dimen.cardThumbnailSize);
 

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

@@ -9,6 +9,8 @@ import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
 
+import com.google.android.material.chip.Chip;
+import com.google.android.material.chip.ChipGroup;
 import com.google.android.material.floatingactionbutton.FloatingActionButton;
 import com.google.android.material.snackbar.Snackbar;
 import androidx.appcompat.app.ActionBar;
@@ -33,6 +35,8 @@ import com.jaredrummler.android.colorpicker.ColorPickerDialog;
 import com.jaredrummler.android.colorpicker.ColorPickerDialogListener;
 
 import java.io.InvalidObjectException;
+import java.util.ArrayList;
+import java.util.List;
 
 public class LoyaltyCardEditActivity extends AppCompatActivity
 {
@@ -43,6 +47,7 @@ public class LoyaltyCardEditActivity extends AppCompatActivity
 
     EditText storeFieldEdit;
     EditText noteFieldEdit;
+    ChipGroup groupsChips;
     ImageView headingColorSample;
     Button headingColorSelectButton;
     ImageView headingStoreTextColorSample;
@@ -99,6 +104,7 @@ public class LoyaltyCardEditActivity extends AppCompatActivity
 
         storeFieldEdit = findViewById(R.id.storeNameEdit);
         noteFieldEdit = findViewById(R.id.noteEdit);
+        groupsChips = findViewById(R.id.groupChips);
         headingColorSample = findViewById(R.id.headingColorSample);
         headingColorSelectButton = findViewById(R.id.headingColorSelectButton);
         headingStoreTextColorSample = findViewById(R.id.headingStoreTextColorSample);
@@ -213,6 +219,40 @@ public class LoyaltyCardEditActivity extends AppCompatActivity
             hideBarcode();
         }
 
+        if(groupsChips.getChildCount() == 0)
+        {
+            List<Group> existingGroups = db.getGroups();
+
+            List<Group> loyaltyCardGroups = db.getLoyaltyCardGroups(loyaltyCardId);
+
+            View groupsView = findViewById(R.id.groupsView);
+            View groupsTableRow = findViewById(R.id.groupsTableRow);
+
+            if (existingGroups.isEmpty()) {
+                groupsView.setVisibility(View.GONE);
+                groupsTableRow.setVisibility(View.GONE);
+            } else {
+                groupsView.setVisibility(View.VISIBLE);
+                groupsTableRow.setVisibility(View.VISIBLE);
+            }
+
+            for (Group group : db.getGroups()) {
+                Chip chip = (Chip) getLayoutInflater().inflate(R.layout.layout_chip_choice, groupsChips, false);
+                chip.setText(group._id);
+                chip.setTag(group);
+
+                chip.setChecked(false);
+                for (Group loyaltyCardGroup : loyaltyCardGroups) {
+                    if (loyaltyCardGroup._id.equals(group._id)) {
+                        chip.setChecked(true);
+                        break;
+                    }
+                }
+
+                groupsChips.addView(chip);
+            }
+        }
+
         if(headingColorValue == null)
         {
             // Select a random color to start out with.
@@ -404,16 +444,25 @@ public class LoyaltyCardEditActivity extends AppCompatActivity
             return;
         }
 
+        List<Group> selectedGroups = new ArrayList<>();
+
+        for (Integer chipId : groupsChips.getCheckedChipIds()) {
+            Chip chip = groupsChips.findViewById(chipId);
+            selectedGroups.add((Group) chip.getTag());
+        }
+
         if(updateLoyaltyCard)
-        {
+        {   //update of "starStatus" not necessary, since it cannot be changed in this activity (only in ViewActivity)
             db.updateLoyaltyCard(loyaltyCardId, store, note, cardId, barcodeType, headingColorValue, headingStoreTextColorValue);
             Log.i(TAG, "Updated " + loyaltyCardId + " to " + cardId);
         }
         else
         {
-            loyaltyCardId = (int)db.insertLoyaltyCard(store, note, cardId, barcodeType, headingColorValue, headingStoreTextColorValue);
+            loyaltyCardId = (int)db.insertLoyaltyCard(store, note, cardId, barcodeType, headingColorValue, headingStoreTextColorValue, 0);
         }
 
+        db.setLoyaltyCardGroups(loyaltyCardId, selectedGroups);
+
         finish();
     }
 

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

@@ -1,6 +1,5 @@
 package protect.card_locker;
 
-
 import android.content.Intent;
 import android.content.pm.ActivityInfo;
 import android.graphics.Color;
@@ -34,7 +33,6 @@ import com.google.zxing.BarcodeFormat;
 
 import protect.card_locker.preferences.Settings;
 
-
 public class LoyaltyCardViewActivity extends AppCompatActivity
 {
     private static final String TAG = "Catima";
@@ -56,6 +54,7 @@ public class LoyaltyCardViewActivity extends AppCompatActivity
     String cardIdString;
     BarcodeFormat format;
 
+    boolean starred;
     boolean backgroundNeedsDarkIcons;
     boolean barcodeIsFullscreen = false;
     ViewGroup.LayoutParams barcodeImageState;
@@ -317,11 +316,29 @@ public class LoyaltyCardViewActivity extends AppCompatActivity
             item.setVisible(false);
         }
 
+        loyaltyCard = db.getLoyaltyCard(loyaltyCardId);
+        starred = loyaltyCard.starStatus != 0;
+
         menu.findItem(R.id.action_share).setIcon(getIcon(R.drawable.ic_share_white, backgroundNeedsDarkIcons));
 
         return super.onCreateOptionsMenu(menu);
     }
 
+
+    @Override
+    public boolean onPrepareOptionsMenu(Menu menu) {
+        super.onPrepareOptionsMenu(menu);
+        if (starred) {
+            menu.findItem(R.id.action_star_unstar).setIcon(getIcon(R.drawable.ic_starred_white, backgroundNeedsDarkIcons));
+            menu.findItem(R.id.action_star_unstar).setTitle(R.string.unstar);
+        }
+        else {
+            menu.findItem(R.id.action_star_unstar).setIcon(getIcon(R.drawable.ic_unstarred_white, backgroundNeedsDarkIcons));
+            menu.findItem(R.id.action_star_unstar).setTitle(R.string.star);
+        }
+        return true;
+    }
+
     @Override
     public boolean onOptionsItemSelected(MenuItem item)
     {
@@ -348,11 +365,18 @@ public class LoyaltyCardViewActivity extends AppCompatActivity
                 }
                 rotationEnabled = !rotationEnabled;
                 return true;
+
+            case R.id.action_star_unstar:
+                starred = !starred;
+                db.updateLoyaltyCardStarStatus(loyaltyCardId, starred ? 1 : 0);
+                invalidateOptionsMenu();
+                return true;
         }
 
         return super.onOptionsItemSelected(item);
     }
 
+
     private void setOrientatonLock(MenuItem item, boolean lock)
     {
         if(lock)
@@ -366,7 +390,7 @@ public class LoyaltyCardViewActivity extends AppCompatActivity
         {
             item.setIcon(getIcon(R.drawable.ic_lock_open_white_24dp, backgroundNeedsDarkIcons));
             item.setTitle(R.string.lockScreen);
-            setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_SENSOR);
+            setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED);
         }
     }
 

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

@@ -2,11 +2,10 @@ package protect.card_locker;
 
 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.ClipboardManager;
-import android.content.SharedPreferences;
 import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
 import android.content.res.Configuration;
@@ -14,7 +13,6 @@ import android.database.Cursor;
 import android.os.Bundle;
 import androidx.appcompat.app.AlertDialog;
 import androidx.appcompat.app.AppCompatActivity;
-import androidx.appcompat.app.AppCompatDelegate;
 import androidx.appcompat.widget.SearchView;
 import androidx.appcompat.widget.Toolbar;
 import android.util.Log;
@@ -28,13 +26,13 @@ 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 protect.card_locker.preferences.SettingsActivity;
 
 public class MainActivity extends AppCompatActivity
@@ -44,6 +42,7 @@ public class MainActivity extends AppCompatActivity
 
     private Menu menu;
     protected String filter = "";
+    protected int selectedTab = 0;
 
     @Override
     protected void onCreate(Bundle savedInstanceState)
@@ -53,7 +52,26 @@ public class MainActivity extends AppCompatActivity
         Toolbar toolbar = findViewById(R.id.toolbar);
         setSupportActionBar(toolbar);
 
-        updateLoyaltyCardList("");
+        updateLoyaltyCardList(filter, 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());
+            }
+
+            @Override
+            public void onTabUnselected(TabLayout.Tab tab) {
+
+            }
+
+            @Override
+            public void onTabReselected(TabLayout.Tab tab) {
+
+            }
+        });
     }
 
     @Override
@@ -69,7 +87,22 @@ public class MainActivity extends AppCompatActivity
             }
         }
 
-        updateLoyaltyCardList(filter);
+        TabLayout groupsTabLayout = findViewById(R.id.groups);
+        boolean hasReset = updateTabGroups(groupsTabLayout);
+
+        Object group = null;
+
+        if (groupsTabLayout.getTabCount() != 0) {
+            TabLayout.Tab tab = groupsTabLayout.getTabAt(0);
+
+            if (!hasReset) {
+                tab = groupsTabLayout.getTabAt(selectedTab);
+            }
+
+            groupsTabLayout.selectTab(tab);
+            group = tab.getTag();
+        }
+        updateLoyaltyCardList(filter, group);
 
         FloatingActionButton addButton = findViewById(R.id.fabAdd);
         addButton.setOnClickListener(new View.OnClickListener() {
@@ -114,17 +147,31 @@ public class MainActivity extends AppCompatActivity
         if (!searchView.isIconified()) {
             searchView.setIconified(true);
         } else {
-            super.onBackPressed();
+            TabLayout groupsTabLayout = findViewById(R.id.groups);
+
+            if (groupsTabLayout.getVisibility() == View.VISIBLE && selectedTab != 0) {
+                selectedTab = 0;
+                groupsTabLayout.selectTab(groupsTabLayout.getTabAt(0));
+            } else {
+                super.onBackPressed();
+            }
         }
     }
 
-    private void updateLoyaltyCardList(String filterText)
+    private void updateLoyaltyCardList(String filterText, Object tag)
     {
+        Group group = null;
+        if (tag != null) {
+            group = (Group) tag;
+        }
+
         final ListView cardList = findViewById(R.id.list);
         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);
+
         if(db.getLoyaltyCardCount() > 0)
         {
             // We want the cardList to be visible regardless of the filtered match count
@@ -132,7 +179,7 @@ public class MainActivity extends AppCompatActivity
             // the keyboard
             cardList.setVisibility(View.VISIBLE);
             helpText.setVisibility(View.GONE);
-            if(db.getLoyaltyCardCount(filterText) > 0)
+            if(cardCursor.getCount() > 0)
             {
                 noMatchingCardsText.setVisibility(View.GONE);
             }
@@ -148,8 +195,6 @@ public class MainActivity extends AppCompatActivity
             noMatchingCardsText.setVisibility(View.GONE);
         }
 
-        Cursor cardCursor = db.getLoyaltyCardCursor(filterText);
-
         final LoyaltyCardCursorAdapter adapter = new LoyaltyCardCursorAdapter(this, cardCursor);
         cardList.setAdapter(adapter);
 
@@ -176,6 +221,53 @@ public class MainActivity extends AppCompatActivity
         });
     }
 
+    public boolean updateTabGroups(TabLayout groupsTabLayout)
+    {
+        final DBHelper db = new DBHelper(this);
+
+        List<Group> newGroups = db.getGroups();
+
+        if (newGroups.size() == 0) {
+            groupsTabLayout.removeAllTabs();
+            groupsTabLayout.setVisibility(View.GONE);
+            return true;
+        }
+
+        // -1 because there is an "All" tab
+        boolean isChanged = groupsTabLayout.getTabCount() - 1 != newGroups.size();
+
+        if (!isChanged) {
+            for (int i = 0; i < newGroups.size(); i++) {
+                if (!((Group) groupsTabLayout.getTabAt(i + 1).getTag())._id.equals(newGroups.get(i)._id)) {
+                    isChanged = true;
+                    break;
+                }
+            }
+        }
+
+        if (isChanged) {
+            groupsTabLayout.removeAllTabs();
+
+            TabLayout.Tab allTab = groupsTabLayout.newTab();
+            allTab.setText(R.string.all);
+            allTab.setTag(null);
+            groupsTabLayout.addTab(allTab);
+
+            for (Group group : newGroups) {
+                TabLayout.Tab tab = groupsTabLayout.newTab();
+                tab.setText(group._id);
+                tab.setTag(group);
+                groupsTabLayout.addTab(tab);
+            }
+
+            groupsTabLayout.setVisibility(View.VISIBLE);
+
+            return true;
+        }
+
+        return false;
+    }
+
     @Override
     public void onCreateContextMenu(ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo)
     {
@@ -196,23 +288,20 @@ public class MainActivity extends AppCompatActivity
         Cursor cardCursor = (Cursor)listView.getItemAtPosition(info.position);
         LoyaltyCard card = LoyaltyCard.toLoyaltyCard(cardCursor);
 
-        if(card != null)
+        if(item.getItemId() == R.id.action_clipboard)
         {
-            if(item.getItemId() == R.id.action_clipboard)
-            {
-                ClipboardManager clipboard = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
-                ClipData clip = ClipData.newPlainText(card.store, card.cardId);
-                clipboard.setPrimaryClip(clip);
+            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;
-            }
+            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);
@@ -248,7 +337,10 @@ public class MainActivity extends AppCompatActivity
                 @Override
                 public boolean onQueryTextChange(String newText) {
                     filter = newText;
-                    updateLoyaltyCardList(newText);
+
+                    TabLayout groupsTabLayout = findViewById(R.id.groups);
+
+                    updateLoyaltyCardList(newText, groupsTabLayout.getTabAt(groupsTabLayout.getSelectedTabPosition()).getTag());
                     return true;
                 }
             });
@@ -262,6 +354,13 @@ public class MainActivity extends AppCompatActivity
     {
         int id = item.getItemId();
 
+        if (id == R.id.action_manage_groups)
+        {
+            Intent i = new Intent(getApplicationContext(), ManageGroupsActivity.class);
+            startActivityForResult(i, MAIN_REQUEST_CODE);
+            return true;
+        }
+
         if(id == R.id.action_import_export)
         {
             Intent i = new Intent(getApplicationContext(), ImportExportActivity.class);
@@ -334,9 +433,7 @@ public class MainActivity extends AppCompatActivity
 
         // Set CSS for dark mode if dark mode
         String css = "";
-        Configuration config = getResources().getConfiguration();
-        int currentNightMode = config.uiMode & Configuration.UI_MODE_NIGHT_MASK;
-        if(currentNightMode == Configuration.UI_MODE_NIGHT_YES)
+        if(isDarkModeEnabled(this))
         {
             css = "<style>body {color:white; background-color:black;}</style>";
         }
@@ -382,4 +479,12 @@ public class MainActivity extends AppCompatActivity
             })
             .show();
     }
+
+    protected static boolean isDarkModeEnabled(Context inputContext)
+    {
+        Configuration config = inputContext.getResources().getConfiguration();
+        int currentNightMode = config.uiMode & Configuration.UI_MODE_NIGHT_MASK;
+        return (currentNightMode == Configuration.UI_MODE_NIGHT_YES);
+    }
+
 }

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

@@ -0,0 +1,186 @@
+package protect.card_locker;
+
+import android.content.DialogInterface;
+import android.database.Cursor;
+import android.os.Bundle;
+import android.text.InputType;
+import android.view.MenuItem;
+import android.view.View;
+import android.widget.EditText;
+import android.widget.LinearLayout;
+import android.widget.ListView;
+import android.widget.TextView;
+
+import com.google.android.material.floatingactionbutton.FloatingActionButton;
+
+import androidx.appcompat.app.ActionBar;
+import androidx.appcompat.app.AlertDialog;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.appcompat.widget.Toolbar;
+
+public class ManageGroupsActivity extends AppCompatActivity
+{
+    private static final String TAG = "Catima";
+
+    private AlertDialog newGroupDialog;
+    private final DBHelper db = new DBHelper(this);
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState)
+    {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.manage_groups_activity);
+        Toolbar toolbar = findViewById(R.id.toolbar);
+        setSupportActionBar(toolbar);
+        ActionBar actionBar = getSupportActionBar();
+        if(actionBar != null)
+        {
+            actionBar.setDisplayHomeAsUpEnabled(true);
+        }
+
+        newGroupDialog = createNewGroupDialog();
+
+        updateGroupList();
+    }
+
+    @Override
+    protected void onResume() {
+        super.onResume();
+
+        updateGroupList();
+
+        FloatingActionButton addButton = findViewById(R.id.fabAdd);
+        addButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                newGroupDialog.show();
+            }
+        });
+    }
+
+    @Override
+    public void onBackPressed() {
+        super.onBackPressed();
+    }
+
+    private void updateGroupList()
+    {
+        final ListView groupList = findViewById(R.id.list);
+        final TextView helpText = findViewById(R.id.helpText);
+        final DBHelper db = new DBHelper(this);
+
+        if(db.getGroupCount() > 0)
+        {
+            groupList.setVisibility(View.VISIBLE);
+            helpText.setVisibility(View.GONE);
+        }
+        else
+        {
+            groupList.setVisibility(View.GONE);
+            helpText.setVisibility(View.VISIBLE);
+        }
+
+        Cursor groupCursor = db.getGroupCursor();
+
+        final GroupCursorAdapter adapter = new GroupCursorAdapter(this, groupCursor);
+        groupList.setAdapter(adapter);
+
+        registerForContextMenu(groupList);
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item)
+    {
+        int id = item.getItemId();
+
+        if (id == android.R.id.home) {
+            finish();
+        }
+
+        return super.onOptionsItemSelected(item);
+    }
+
+    public void editGroup(View view) {
+        LinearLayout parentRow = (LinearLayout) view.getParent();
+
+        TextView groupNameTextView = (TextView) parentRow.findViewById(R.id.name);
+
+        final String groupName = (String) groupNameTextView.getText();
+
+        AlertDialog.Builder builder = new AlertDialog.Builder(this);
+        builder.setTitle(R.string.enter_group_name);
+        final EditText input = new EditText(this);
+        input.setInputType(InputType.TYPE_CLASS_TEXT);
+        input.setText(groupName);
+        builder.setView(input);
+
+        builder.setPositiveButton(getString(R.string.ok), new DialogInterface.OnClickListener() {
+            @Override
+            public void onClick(DialogInterface dialog, int which) {
+                db.updateGroup(groupName, input.getText().toString());
+                updateGroupList();
+            }
+        });
+        builder.setNegativeButton(getString(R.string.cancel), new DialogInterface.OnClickListener() {
+            @Override
+            public void onClick(DialogInterface dialog, int which) {
+                dialog.cancel();
+            }
+        });
+        AlertDialog dialog = builder.create();
+        dialog.show();
+    }
+
+    public void deleteGroup(View view) {
+        LinearLayout parentRow = (LinearLayout) view.getParent();
+
+        TextView groupNameTextView = (TextView) parentRow.findViewById(R.id.name);
+
+        final String groupName = (String) groupNameTextView.getText();
+
+        AlertDialog.Builder builder = new AlertDialog.Builder(this);
+        builder.setTitle(R.string.deleteConfirmationGroup);
+        builder.setMessage(groupName);
+
+        builder.setPositiveButton(getString(R.string.ok), new DialogInterface.OnClickListener() {
+            @Override
+            public void onClick(DialogInterface dialog, int which) {
+                db.deleteGroup(groupName);
+                updateGroupList();
+            }
+        });
+        builder.setNegativeButton(getString(R.string.cancel), new DialogInterface.OnClickListener() {
+            @Override
+            public void onClick(DialogInterface dialog, int which) {
+                dialog.cancel();
+            }
+        });
+        AlertDialog dialog = builder.create();
+        dialog.show();
+    }
+
+    private AlertDialog createNewGroupDialog() {
+        AlertDialog.Builder builder = new AlertDialog.Builder(this);
+        builder.setTitle(R.string.enter_group_name);
+        final EditText input = new EditText(this);
+        input.setInputType(InputType.TYPE_CLASS_TEXT);
+        builder.setView(input);
+
+        builder.setPositiveButton(getString(R.string.ok), new DialogInterface.OnClickListener() {
+            @Override
+            public void onClick(DialogInterface dialog, int which) {
+                db.insertGroup(input.getText().toString());
+                updateGroupList();
+            }
+        });
+        builder.setNegativeButton(getString(R.string.cancel), new DialogInterface.OnClickListener() {
+            @Override
+            public void onClick(DialogInterface dialog, int which) {
+                dialog.cancel();
+            }
+        });
+        AlertDialog dialog = builder.create();
+
+        return dialog;
+    }
+}

app/src/main/res/drawable/ic_android_launcher.xml

@@ -0,0 +1,66 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="192dp"
+    android:height="192dp"
+    android:viewportWidth="50.8"
+    android:viewportHeight="50.8">
+  <path
+      android:pathData="M14.3354,20.1954l20.7318,-9.2304l5.7612,12.9398l-20.7318,9.2304z"
+      android:strokeLineJoin="miter"
+      android:strokeWidth="0.529167"
+      android:fillColor="#f0f0f0"
+      android:strokeColor="#c80000"/>
+  <path
+      android:pathData="M14.8755,10.9648l23.2041,10.3311l-6.8874,15.4694l-23.2041,-10.3311z"
+      android:strokeLineJoin="miter"
+      android:strokeWidth="0.529167"
+      android:fillColor="#f0f0f0"
+      android:strokeColor="#c80000"/>
+  <path
+      android:pathData="M16.5599,16.1348l26.5459,7.6119l-4.5489,15.8639l-26.5459,-7.6119z"
+      android:strokeLineJoin="round"
+      android:strokeWidth="1.5875"
+      android:fillColor="#c80000"
+      android:strokeColor="#c80000"
+      android:fillType="evenOdd"/>
+  <path
+      android:pathData="M12.011,15.4955h27.6157v16.5032h-27.6157z"
+      android:strokeLineJoin="round"
+      android:strokeWidth="1.5875"
+      android:fillColor="#ff0000"
+      android:strokeColor="#ff0000"
+      android:fillType="evenOdd"/>
+  <path
+      android:pathData="M7.8471,23.7471a4.3659,8.5899 0,1 0,8.7317 0a4.3659,8.5899 0,1 0,-8.7317 0z"
+      android:strokeLineJoin="round"
+      android:strokeWidth="0.91078"
+      android:fillColor="#ff0000"
+      android:strokeColor="#ff0000"/>
+  <path
+      android:pathData="m24.4983,25.781a1.6711,1.6711 0,0 1,-1.3809 1.6457,1.6711 1.6711,0 0,1 -1.8605,-1.0741"
+      android:strokeLineJoin="round"
+      android:strokeWidth="0.529167"
+      android:fillColor="#00000000"
+      android:strokeColor="#f0f0f0"
+      android:strokeLineCap="round"/>
+  <path
+      android:pathData="m27.7991,26.333a1.6711,1.6711 0,0 1,-1.8605 1.0741,1.6711 1.6711,0 0,1 -1.3809,-1.6457"
+      android:strokeLineJoin="round"
+      android:strokeWidth="0.529167"
+      android:fillColor="#00000000"
+      android:strokeColor="#f0f0f0"
+      android:strokeLineCap="round"/>
+  <path
+      android:pathData="m16.0606,22.271 l2.6458,-2.6458 2.6458,2.6458"
+      android:strokeLineJoin="miter"
+      android:strokeWidth="0.529167"
+      android:fillColor="#00000000"
+      android:strokeColor="#f0f0f0"
+      android:strokeLineCap="butt"/>
+  <path
+      android:pathData="m27.7023,22.271 l2.6458,-2.6458 2.6458,2.6458"
+      android:strokeLineJoin="miter"
+      android:strokeWidth="0.529167"
+      android:fillColor="#00000000"
+      android:strokeColor="#f0f0f0"
+      android:strokeLineCap="butt"/>
+</vector>

app/src/main/res/drawable/ic_launcher_foreground.xml

@@ -0,0 +1,71 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+  <group android:scaleX="1.5307087"
+      android:scaleY="1.5307087"
+      android:translateX="15.12"
+      android:translateY="15.12">
+    <path
+        android:pathData="M14.3354,20.1954l20.7318,-9.2304l5.7612,12.9398l-20.7318,9.2304z"
+        android:strokeLineJoin="miter"
+        android:strokeWidth="0.529167"
+        android:fillColor="#f0f0f0"
+        android:strokeColor="#c80000"/>
+    <path
+        android:pathData="M14.8755,10.9648l23.2041,10.3311l-6.8874,15.4694l-23.2041,-10.3311z"
+        android:strokeLineJoin="miter"
+        android:strokeWidth="0.529167"
+        android:fillColor="#f0f0f0"
+        android:strokeColor="#c80000"/>
+    <path
+        android:pathData="M16.5599,16.1348l26.5459,7.6119l-4.5489,15.8639l-26.5459,-7.6119z"
+        android:strokeLineJoin="round"
+        android:strokeWidth="1.5875"
+        android:fillColor="#c80000"
+        android:strokeColor="#c80000"
+        android:fillType="evenOdd"/>
+    <path
+        android:pathData="M12.011,15.4955h27.6157v16.5032h-27.6157z"
+        android:strokeLineJoin="round"
+        android:strokeWidth="1.5875"
+        android:fillColor="#ff0000"
+        android:strokeColor="#ff0000"
+        android:fillType="evenOdd"/>
+    <path
+        android:pathData="M7.8471,23.7471a4.3659,8.5899 0,1 0,8.7317 0a4.3659,8.5899 0,1 0,-8.7317 0z"
+        android:strokeLineJoin="round"
+        android:strokeWidth="0.91078"
+        android:fillColor="#ff0000"
+        android:strokeColor="#ff0000"/>
+    <path
+        android:pathData="m24.4983,25.781a1.6711,1.6711 0,0 1,-1.3809 1.6457,1.6711 1.6711,0 0,1 -1.8605,-1.0741"
+        android:strokeLineJoin="round"
+        android:strokeWidth="0.529167"
+        android:fillColor="#00000000"
+        android:strokeColor="#f0f0f0"
+        android:strokeLineCap="round"/>
+    <path
+        android:pathData="m27.7991,26.333a1.6711,1.6711 0,0 1,-1.8605 1.0741,1.6711 1.6711,0 0,1 -1.3809,-1.6457"
+        android:strokeLineJoin="round"
+        android:strokeWidth="0.529167"
+        android:fillColor="#00000000"
+        android:strokeColor="#f0f0f0"
+        android:strokeLineCap="round"/>
+    <path
+        android:pathData="m16.0606,22.271 l2.6458,-2.6458 2.6458,2.6458"
+        android:strokeLineJoin="miter"
+        android:strokeWidth="0.529167"
+        android:fillColor="#00000000"
+        android:strokeColor="#f0f0f0"
+        android:strokeLineCap="butt"/>
+    <path
+        android:pathData="m27.7023,22.271 l2.6458,-2.6458 2.6458,2.6458"
+        android:strokeLineJoin="miter"
+        android:strokeWidth="0.529167"
+        android:fillColor="#00000000"
+        android:strokeColor="#f0f0f0"
+        android:strokeLineCap="butt"/>
+  </group>
+</vector>

app/src/main/res/layout/group_layout.xml

@@ -0,0 +1,68 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:orientation="horizontal"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:gravity="center_vertical"
+    android:baselineAligned="false"
+    android:padding="@dimen/activity_margin">
+
+    <LinearLayout
+        android:orientation="vertical"
+        android:layout_width="0dip"
+        android:layout_height="wrap_content"
+        android:layout_weight="1">
+
+        <LinearLayout
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content" >
+
+            <LinearLayout
+                android:id="@+id/valueLayout"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:visibility="visible">
+
+                <TextView
+                    android:id="@+id/name"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:textSize="@dimen/storeNameTextSize"
+                    android:textStyle="bold"/>
+
+            </LinearLayout>
+
+        </LinearLayout>
+
+        <TextView
+            android:id="@+id/cardCount"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:maxLines="1"
+            android:ellipsize="end"
+            android:textSize="@dimen/noteTextSize"/>
+    </LinearLayout>
+
+    <ImageButton
+        android:id="@+id/edit"
+        android:layout_width="@dimen/cardThumbnailSize"
+        android:layout_height="@dimen/cardThumbnailSize"
+        android:layout_marginLeft="@dimen/activity_margin"
+        android:src="@drawable/ic_mode_edit_white_24dp"
+        android:contentDescription="@string/edit"
+        app:tint="#000000"
+        android:onClick="editGroup" />
+
+    <ImageButton
+        android:id="@+id/delete"
+        android:layout_width="@dimen/cardThumbnailSize"
+        android:layout_height="@dimen/cardThumbnailSize"
+        android:layout_marginLeft="@dimen/activity_margin"
+        android:src="@drawable/ic_delete_white_24dp"
+        android:contentDescription="@string/delete"
+        app:tint="#000000"
+        android:onClick="deleteGroup"/>
+
+</LinearLayout>

app/src/main/res/layout/group_main.xml

@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    app:layout_behavior="@string/appbar_scrolling_view_behavior"
+    tools:context="protect.card_locker.MainActivity"
+    tools:showIn="@layout/main_activity">
+
+    <TextView
+        style="@style/AppTheme.TextView.NoData"
+        android:id="@+id/helpText"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="@string/noGroups"
+        android:visibility="gone"/>
+
+    <ListView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:id="@+id/list"
+        android:visibility="gone"/>
+</RelativeLayout>

app/src/main/res/layout/layout_chip_choice.xml

@@ -0,0 +1,9 @@
+<com.google.android.material.chip.Chip xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content"
+    android:paddingLeft="8dp"
+    android:paddingRight="8dp"
+    style="@style/Widget.MaterialComponents.Chip.Choice"
+    app:checkedIconVisible="true"
+    android:textAppearance="?android:attr/textAppearance" />

app/src/main/res/layout/loyalty_card_edit_activity.xml

@@ -145,6 +145,62 @@
                         android:background="@color/inputBorder" />
                 </TableRow>
 
+                <!-- Groups -->
+                <View
+                    android:id="@+id/groupsView"
+                    android:layout_height="@dimen/inputBorderThickness"
+                    android:layout_width="match_parent"
+                    android:background="@color/inputBorder"
+                    android:visibility="gone"/>
+                <TableRow
+                    android:id="@+id/groupsTableRow"
+                    android:background="@color/inputBackground"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:visibility="gone">
+                    <View
+                        android:gravity="start"
+                        android:layout_height="match_parent"
+                        android:layout_width="@dimen/inputBorderThickness"
+                        android:background="@color/inputBorder" />
+
+                    <RelativeLayout
+                        android:layout_weight="1"
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:paddingRight="@dimen/inputPadding"
+                        android:paddingEnd="@dimen/inputPadding">
+
+                        <TextView
+                            android:id="@+id/groupsField"
+                            android:text="@string/groups"
+                            android:layout_height="match_parent"
+                            android:layout_width="wrap_content"
+                            android:textSize="@dimen/inputSize"
+                            android:padding="@dimen/inputPadding"
+                            android:layout_alignParentStart="true"
+                            android:layout_alignParentLeft="true"
+                            />
+
+                        <com.google.android.material.chip.ChipGroup
+                            android:id="@+id/groupChips"
+                            android:layout_height="match_parent"
+                            android:layout_width="match_parent"
+                            android:padding="@dimen/inputPadding"
+                            android:textSize="@dimen/inputSize"
+                            android:layout_toEndOf="@id/groupsField"
+                            android:layout_toRightOf="@id/groupsField"
+                            />
+                    </RelativeLayout>
+
+                    <View
+                        android:gravity="end"
+                        android:layout_height="match_parent"
+                        android:layout_width="@dimen/inputBorderThickness"
+                        android:background="@color/inputBorder" />
+                </TableRow>
+
+
                 <!-- Store Header Background Color -->
                 <View
                     android:layout_height="@dimen/inputBorderThickness"
@@ -432,11 +488,13 @@
                                   android:layout_height="wrap_content"
                                   android:id="@+id/barcodeCaptureLayout">
                         <Button android:id="@+id/captureButton"
+                                android:layout_margin="@dimen/inputMargin"
                                 android:layout_width="0dp"
                                 android:layout_height="wrap_content"
                                 android:text="@string/capture"
                                 android:layout_weight="1.0"/>
                         <Button android:id="@+id/enterButton"
+                                android:layout_margin="@dimen/inputMargin"
                                 android:layout_width="0dp"
                                 android:layout_height="wrap_content"
                                 android:text="@string/enterCard"

app/src/main/res/layout/loyalty_card_layout.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout
-    xmlns:android="http://schemas.android.com/apk/res/android"
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:orientation="horizontal"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
@@ -8,14 +8,22 @@
     android:baselineAligned="false"
     android:padding="@dimen/activity_margin">
 
-    <ImageView
-        android:id="@+id/thumbnail"
+    <androidx.cardview.widget.CardView
         android:layout_width="@dimen/cardThumbnailSize"
         android:layout_height="@dimen/cardThumbnailSize"
         android:layout_marginEnd="@dimen/activity_margin"
         android:layout_marginRight="@dimen/activity_margin"
-        android:src="@mipmap/ic_launcher"
-        android:contentDescription="@string/thumbnailDescription"/>
+        app:cardCornerRadius="4dp"
+        app:cardElevation="0dp">
+
+        <ImageView
+            android:id="@+id/thumbnail"
+            android:layout_width="@dimen/cardThumbnailSize"
+            android:layout_height="@dimen/cardThumbnailSize"
+            android:contentDescription="@string/thumbnailDescription"
+            android:src="@mipmap/ic_launcher"/>
+
+    </androidx.cardview.widget.CardView>
 
     <LinearLayout
         android:orientation="vertical"
@@ -52,5 +60,12 @@
             android:ellipsize="end"
             android:textSize="@dimen/noteTextSize"/>
     </LinearLayout>
-
+    <ImageView
+        android:id="@+id/star"
+        android:layout_width="@dimen/cardThumbnailSize"
+        android:layout_height="@dimen/cardThumbnailSize"
+        android:layout_marginLeft="@dimen/activity_margin"
+        android:src="@drawable/ic_starred_white"
+        android:tint="#000000"
+        android:contentDescription="@string/starImage"/>
 </LinearLayout>

app/src/main/res/layout/main_activity.xml

@@ -29,6 +29,13 @@
             android:background="?attr/colorPrimary"
             app:popupTheme="@style/AppTheme.PopupOverlay"/>
 
+        <com.google.android.material.tabs.TabLayout
+            android:id="@+id/groups"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            app:tabMode="scrollable"
+            android:visibility="gone"/>
+
     </com.google.android.material.appbar.AppBarLayout>
 
     <include layout="@layout/content_main"/>

app/src/main/res/layout/manage_groups_activity.xml

@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.coordinatorlayout.widget.CoordinatorLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:fitsSystemWindows="true"
+    tools:context="protect.card_locker.MainActivity">
+
+    <com.google.android.material.floatingactionbutton.FloatingActionButton
+        android:id="@+id/fabAdd"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="end|bottom"
+        android:src="@drawable/ic_add_white_24dp"
+        android:contentDescription="@string/action_add"
+        android:layout_margin="16dp" />
+
+    <com.google.android.material.appbar.AppBarLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:theme="@style/AppTheme.AppBarOverlay">
+
+        <androidx.appcompat.widget.Toolbar
+            android:id="@+id/toolbar"
+            android:layout_width="match_parent"
+            android:layout_height="?attr/actionBarSize"
+            android:background="?attr/colorPrimary"
+            app:popupTheme="@style/AppTheme.PopupOverlay"/>
+
+    </com.google.android.material.appbar.AppBarLayout>
+
+    <include layout="@layout/group_main"/>
+
+</androidx.coordinatorlayout.widget.CoordinatorLayout>

app/src/main/res/menu/card_view_menu.xml

@@ -12,4 +12,9 @@
         android:icon="@drawable/ic_share_white"
         android:title="@string/share"
         app:showAsAction="always"/>
+    <item
+        android:id="@+id/action_star_unstar"
+        android:icon="@drawable/ic_unstarred_white"
+        android:title="@string/star"
+        app:showAsAction="always" />
 </menu>

app/src/main/res/menu/main_menu.xml

@@ -8,6 +8,11 @@
         android:icon="@drawable/ic_search_white"
         app:actionViewClass="androidx.appcompat.widget.SearchView"
         app:showAsAction="always|collapseActionView"/>
+    <item
+        android:id="@+id/action_manage_groups"
+        android:icon="@drawable/ic_folder_white"
+        android:title="@string/groups"
+        app:showAsAction="always"/>
     <item
         android:id="@+id/action_import_export"
         android:icon="@drawable/ic_import_export_white_24dp"

app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/ic_launcher_background"/>
+    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
+</adaptive-icon>

app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/ic_launcher_background"/>
+    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
+</adaptive-icon>

app/src/main/res/values-cs/strings.xml

@@ -47,7 +47,6 @@
     <string name="importOptionApplicationButton">Použít externí aplikaci</string>
 
     <string name="about">O aplikaci</string>
-    <string name="app_copyright_fmt">Copyright 2016-<xliff:g>%d</xliff:g> Branden Archer</string>
     <string name="app_license">Licensed under the GPLv3.</string>
     <string name="about_title_fmt">O aplikaci <xliff:g id="app_name">%s</xliff:g></string>
     <string name="debug_version_fmt">Verze: <xliff:g id="version">%s</xliff:g></string>

app/src/main/res/values-de/strings.xml

@@ -1,12 +1,9 @@
-<resources
-    xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
-
+<?xml version="1.0" encoding="utf-8"?>
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="action_search">Suche</string>
     <string name="action_add">Neu</string>
-
     <string name="noGiftCards">Sie haben noch keine Kundenkarte angelegt. Über den \"+\"-Button oben rechts können welche angelegt werden.\n\nDiese App ermöglicht es, Kundenkarten immer mit zu führen.</string>
     <string name="noMatchingGiftCards">Es passen keine Kundenkarten zum Suchfilter. Bitte probiere verschiedene Begriffe aus.</string>
-
     <string name="storeName">Geschäft</string>
     <string name="note">Notiz</string>
     <string name="cardId">Kartennummer</string>
@@ -20,19 +17,19 @@
     <string name="confirm">Bestätigen</string>
     <string name="lockScreen">Rotation blockieren</string>
     <string name="unlockScreen">Rotation zulassen</string>
+    <string name="star">Zu den Favoriten hinzufügen</string>
+    <string name="unstar">Aus der Favoritenliste entfernen</string>
     <string name="deleteTitle">Karte entfernen</string>
     <string name="deleteConfirmation">Bitte bestätigen Sie, dass diese Karte gelöscht werden soll.</string>
     <string name="ok">Ok</string>
     <string name="copy_to_clipboard">Kopiere die Nummer in die Zwischenablage</string>
-    <string name="sendLabel">Senden&#8230;</string>
+    <string name="sendLabel">Senden…</string>
     <string name="editCardTitle">Kundenkarte bearbeiten</string>
     <string name="addCardTitle">Neue Kundenkarte</string>
-    <string name="scanCardBarcode">Barcode scannen</string>
+    <string name="scanCardBarcode">Strichcode scannen</string>
     <string name="cardShortcut">Shortcut zu einer Karte</string>
     <string name="noCardsMessage">Es ist noch keine Karte vorhanden, bitte zuerst eine hinzufügen</string>
-
-    <string name="barcodeImageDescription">Bild des Barcodes</string>
-
+    <string name="barcodeImageDescription">Bild des Strichcodes</string>
     <string name="noStoreError">Kein Geschäft angegeben</string>
     <string name="noCardIdError">Keine Kartennummer angegeben</string>
     <string name="noCardExistsError">Karte konnte nicht gefunden werden</string>
@@ -48,34 +45,28 @@
     <string name="exportFailed">Export fehlgeschlagen</string>
     <string name="importing">Importiere…</string>
     <string name="exporting">Exportiere…</string>
-    <string name="noExternalStoragePermissionError">Ohne die Berechtigung für den externen Speicher kann kein Import oder Export erfolgen.</string>
+    <string name="noExternalStoragePermissionError">Ohne die Berechtigung für den externen Speicher kann kein Import oder Export erfolgen</string>
     <string name="importOptionFilesystemTitle">Importiere aus Dateisystem</string>
     <string name="importOptionFilesystemExplanation">Wähle eine Datei aus dem Speicher aus.</string>
     <string name="importOptionFilesystemButton">Aus Dateisystem</string>
     <string name="importOptionApplicationTitle">Externe App verwenden</string>
     <string name="importOptionApplicationExplanation">Wählen Sie eine Datei aus einer App wie Dropbox, Google Drive, oder Ihrem bevorzugten Dateisystem aus.</string>
     <string name="importOptionApplicationButton">Nutze eine externe App</string>
-
     <string name="about">Über</string>
-    <string name="app_copyright_fmt">Copyright 2016-<xliff:g>%d</xliff:g> Branden Archer</string>
     <string name="app_license">Lizensiert unter der GPLv3.</string>
     <string name="about_title_fmt">Über <xliff:g id="app_name">%s</xliff:g></string>
     <string name="debug_version_fmt">Version: <xliff:g id="version">%s</xliff:g></string>
     <string name="app_revision_fmt">Informationen zu dieser Version: <xliff:g id="app_revision_url">%s</xliff:g></string>
     <string name="app_libraries"><xliff:g id="app_name">%s</xliff:g> benutzt die folgenden Fremdbibliotheken: <xliff:g id="app_libraries_list">%s</xliff:g></string>
     <string name="app_resources"><xliff:g id="app_name">%s</xliff:g> verwendet folgenden Dritt-Ressourcen: <xliff:g id="app_resources_list">%s</xliff:g></string>
-
-    <string name="selectBarcodeTitle">Barcode auswählen</string>
+    <string name="selectBarcodeTitle">Strichcode auswählen</string>
     <string name="copy_to_clipboard_toast">Nummer in die Zwischenablage kopiert</string>
-
     <string name="thumbnailDescription">Vorschaubild für die Karte</string>
-
     <string name="change">Anpassen</string>
     <string name="storeTextColorTitle">Textfarbe</string>
     <string name="storeTextBackgroundColorTitle">Hintergrundfarbe</string>
     <string name="storeNameBackgroundColorDescription">Hintergrundfarbe für den Geschäftsnamen</string>
     <string name="storeNameColorDescription">Farbe für den Geschäftsnamen</string>
-
     <string name="settings">Einstellungen</string>
     <string name="settings_category_title_ui">Benutzeroberfläche</string>
     <string name="settings_card_title_list_font_size">Schriftgröße des Titels in der Listenansicht</string>
@@ -83,6 +74,21 @@
     <string name="settings_card_title_font_size">Schriftgröße des Titels</string>
     <string name="settings_card_id_font_size">Schriftgröße der Kartennummer</string>
     <string name="settings_card_note_font_size">Schriftgröße der Notiz</string>
-    <string name="settings_display_barcode_max_brightness">Helligkeit bei Barcode Ansicht erhöhen</string>
-    <string name="settings_lock_barcode_orientation">Barcodeausrichtung sperren</string>
-    </resources>
+    <string name="settings_display_barcode_max_brightness">Helligkeit bei Strichcode Ansicht erhöhen</string>
+    <string name="settings_lock_barcode_orientation">Strichcodeausrichtung sperren</string>
+    <string name="exportSuccessful">Kundenkartendaten erflogreich exportiert</string>
+    <string name="importSuccessful">Kundenkartendaten erflogreich importiert</string>
+    <string name="intent_import_card_from_url_share_text">Ich will eine Karte mit Ihnen teilen</string>
+    <string name="settings_dark_theme">Dunkel</string>
+    <string name="settings_light_theme">Hell</string>
+    <string name="settings_system_theme">Systemvorgabe</string>
+    <string name="settings_theme">Design</string>
+    <string name="enterBarcodeInstructions">Geben Sie die Karten-ID ein und wählen Sie das Bild aus, das den Strichcode darstellt, den Sie verwenden möchten, oder wählen Sie „Diese Karte hat keinen Strichcode“, um keinen Strichcode zu verwenden.</string>
+    <string name="app_copyright_old">Basiert auf Loyalty Card Keychain, Copyright 2016-2020 Branden Archer.</string>
+    <string name="exportOptionExplanation">Die Daten werden an einen Ort Ihrer Wahl geschrieben.</string>
+    <string name="failedParsingImportUriError">Der Import-URI konnte nicht analysiert werden</string>
+    <string name="addedShortcut">Verknüpfung hinzugefügt</string>
+    <string name="share">Teilen</string>
+    <string name="barcodeNoBarcode">Diese Karte hat keinen Strichcode</string>
+    <string name="barcodeType">Strichcode-Typ</string>
+</resources>

app/src/main/res/values-el-rGR/strings.xml

@@ -54,7 +54,6 @@
     <string name="importOptionApplicationButton">Χρήση εξωτερικής εφαρμογής</string>
 
     <string name="about">Σχετικά</string>
-    <string name="app_copyright_fmt">Copyright 2016-<xliff:g>%d</xliff:g> Branden Archer</string>
     <string name="app_license">Άδεια χρήσης υπό το GPLv3.</string>
     <string name="about_title_fmt">Σχετικά με <xliff:g id="app_name">%s</xliff:g></string>
     <string name="debug_version_fmt">Έκδοση: <xliff:g id="version">%s</xliff:g></string>

app/src/main/res/values-es/strings.xml

@@ -1,83 +1,88 @@
-<resources
-    xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
-
+<?xml version="1.0" encoding="utf-8"?>
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="action_add">Añadir</string>
-
-    <string name="noGiftCards">Actualmente no tienes ninguna tarjeta guardada. Presiona el botón \"+\" para comenzar.\n\nEsta cartera te permite llevar tus tarjetas de fidelización en tu teléfono para que estén siempre a tu alcance.</string>
+    <string name="noGiftCards">Actualmente no tiene ninguna tarjeta guardada. Pulse el botón «+» para comenzar.
+\n
+\nCatima le permite llevar sus tarjetas en el teléfono para que estén siempre a su alcance.</string>
     <string name="storeName">Tienda</string>
     <string name="note">Nota</string>
-    <string name="cardId">ID de la Tarjeta</string>
+    <string name="cardId">Id. de tarjeta</string>
     <string name="cancel">Cancelar</string>
     <string name="save">Guardar</string>
-    <string name="capture">Escanear Tarjeta</string>
-    <string name="enterCard">Introducir Tarjeta</string>
-    <string name="editCard">Editar Tarjeta</string>
+    <string name="capture">Capturar tarjeta</string>
+    <string name="enterCard">Introducir tarjeta</string>
+    <string name="editCard">Editar tarjeta</string>
     <string name="edit">Editar</string>
     <string name="delete">Eliminar</string>
     <string name="confirm">Confirmar</string>
-    <string name="lockScreen">Bloquear Rotación de Pantalla</string>
-    <string name="unlockScreen">Rotación de Pantalla Automática</string>
-    <string name="deleteTitle">Eliminar Tarjeta de Fidelización</string>
-    <string name="deleteConfirmation">Por favor, confirma si quieres eliminar esta tarjeta.</string>
-    <string name="ok">OK</string>
-    <string name="copy_to_clipboard">Copiar ID al portapapeles</string>
-    <string name="sendLabel">Enviar&#8230;</string>
-    <string name="editCardTitle">Editar Tarjeta de Fidelización</string>
-    <string name="addCardTitle">Añadir Tarjeta de Fidelización</string>
-    <string name="scanCardBarcode">Escanear el Código de Barras de la Tarjeta</string>
-    <string name="cardShortcut">Atajo de Tarjeta</string>
-    <string name="noCardsMessage">No hay ninguna tarjeta, añade una primero</string>
-
+    <string name="lockScreen">Bloquear rotación</string>
+    <string name="unlockScreen">Desbloquear rotación</string>
+    <string name="deleteTitle">Eliminar tarjeta</string>
+    <string name="deleteConfirmation">Confirme que quiere eliminar esta tarjeta.</string>
+    <string name="ok">Aceptar</string>
+    <string name="copy_to_clipboard">Copiar id. en portapapeles</string>
+    <string name="sendLabel">Enviar…</string>
+    <string name="editCardTitle">Editar tarjeta</string>
+    <string name="addCardTitle">Añadir tarjeta</string>
+    <string name="scanCardBarcode">Escanear código de barras de la tarjeta</string>
+    <string name="cardShortcut">Atajo de tarjeta</string>
+    <string name="noCardsMessage">No hay ninguna tarjeta; añada una primero</string>
     <string name="barcodeImageDescription">Imagen del código de barras de la tarjeta</string>
-
     <string name="noStoreError">Establecimiento no especificado</string>
-    <string name="noCardIdError">ID de la Tarjeta no especificado</string>
+    <string name="noCardIdError">Id. de tarjeta no especificado</string>
     <string name="noCardExistsError">No se ha podido encontrar la tarjeta de fidelización</string>
     <string name="cardIdFormat">%1$s: %2$s</string>
-    <string name="importExport">Importar/Exportar</string>
+    <string name="importExport">Importar/exportar</string>
     <string name="exportName">Exportar</string>
-    <string name="importExportHelp">La copia de seguridad te permite transferir tus tarjetas a otro dispositivo.</string>
+    <string name="importExportHelp">La copia de respaldo le permite transferir sus tarjetas a otro dispositivo.</string>
     <string name="importSuccessfulTitle">Datos importados correctamente</string>
-    <string name="importFailedTitle">Ha ocurrido un error al importar los datos</string>
-    <string name="importFailed">Error al importar</string>
+    <string name="importFailedTitle">Falló la importación</string>
+    <string name="importFailed">No se pudo importar</string>
     <string name="exportSuccessfulTitle">Datos exportados correctamente</string>
-    <string name="exportFailedTitle">Ha ocurrido un error al exportar los datos</string>
-    <string name="exportFailed">Error al exportar</string>
-    <string name="importing">Importando&#8230;</string>
-    <string name="exporting">Exportando&#8230;</string>
+    <string name="exportFailedTitle">Falló la exportación</string>
+    <string name="exportFailed">No se pudo exportar</string>
+    <string name="importing">Importando…</string>
+    <string name="exporting">Exportando…</string>
     <string name="noExternalStoragePermissionError">No se pueden importar o exportar tarjetas sin el permiso de almacenamiento</string>
     <string name="importOptionFilesystemTitle">Importar desde el sistema de archivos</string>
-    <string name="importOptionFilesystemExplanation">Seleccionar un archivo del sistema de archivos</string>
+    <string name="importOptionFilesystemExplanation">Elegir un archivo concreto del sistema de archivos.</string>
     <string name="importOptionFilesystemButton">Desde el sistema de archivos</string>
-    <string name="importOptionApplicationTitle">Usar una applicación externa</string>
+    <string name="importOptionApplicationTitle">Utilizar aplicación externa</string>
     <string name="importOptionApplicationExplanation">Use una aplicación externa como Dropbox, Google Drive o tu gestor de archivos favoritos para abrir un archivo.</string>
-    <string name="importOptionApplicationButton">Usar aplicación externa</string>
-
+    <string name="importOptionApplicationButton">Utilizar aplicación externa</string>
     <string name="about">Acerca de</string>
-    <string name="app_copyright_fmt">Copyright 2016-<xliff:g>%d</xliff:g> Branden Archer</string>
-    <string name="app_license">Licencia GPLv3</string>
+    <string name="app_license">Disponible en virtud de la GPLv3.</string>
     <string name="about_title_fmt">Acerca de <xliff:g id="app_name">%s</xliff:g></string>
     <string name="debug_version_fmt">Versión: <xliff:g id="version">%s</xliff:g></string>
-    <string name="app_revision_fmt">Información sobre la Revisión: <xliff:g id="app_revision_url">%s</xliff:g></string>
-    <string name="app_libraries"><xliff:g id="app_name">%s</xliff:g> utiliza las siguientes librerías de terceros: <xliff:g id="app_libraries_list">%s</xliff:g></string>
-    <string name="app_resources"><xliff:g id="app_name">%s</xliff:g> utiliza los siguientes recursos de terceros: <xliff:g id="app_resources_list">%s</xliff:g></string>
-
-    <string name="selectBarcodeTitle">Selecciona el Código de Barras</string>
-    <string name="copy_to_clipboard_toast">ID de la Tarjeta copiado al portapapeles</string>
-
-    <string name="thumbnailDescription">Miniatura para la tarjeta</string>
-
     <string name="change">Cambiar</string>
-    <string name="storeTextColorTitle">Color del Texto de la Tienda</string>
-    <string name="storeTextBackgroundColorTitle">Color Principal</string>
+    <string name="storeTextColorTitle">Color de texto de establecimiento</string>
+    <string name="storeTextBackgroundColorTitle">Color principal</string>
     <string name="storeNameBackgroundColorDescription">Color de fondo para el texto de la tienda</string>
     <string name="storeNameColorDescription">Color del texto de la tienda</string>
-
     <string name="settings">Configuración</string>
-    <string name="settings_category_title_ui">Interfaz de Usuario</string>
+    <string name="settings_category_title_ui">Interfaz de usuario</string>
     <string name="settings_card_title_list_font_size">Tamaño de la letra para el título (lista)</string>
     <string name="settings_card_note_list_font_size">Tamaño de la letra para notas (lista)</string>
     <string name="settings_card_title_font_size">Tamaño de la letra para el título</string>
     <string name="settings_card_id_font_size">Tamaño de la letra para el ID de la tarjeta</string>
     <string name="settings_card_note_font_size">Tamaño de la letra para notas</string>
-    </resources>
+    <string name="settings_display_barcode_max_brightness">Iluminar vista de código de barras</string>
+    <string name="exportSuccessful">Se exportaron correctamente los datos de tarjetas de fidelización</string>
+    <string name="importSuccessful">Se importaron correctamente los datos de tarjetas de fidelización</string>
+    <string name="intent_import_card_from_url_share_text">Quiero compartirle una tarjeta</string>
+    <string name="settings_lock_barcode_orientation">Bloquear orientación de código de barras</string>
+    <string name="settings_dark_theme">Tema oscuro</string>
+    <string name="settings_light_theme">Tema claro</string>
+    <string name="settings_system_theme">Tema del sistema</string>
+    <string name="settings_theme">Tema</string>
+    <string name="enterBarcodeInstructions">Introduzca el identificador de tarjeta y seleccione la imagen que represente el código de barras que se utilizará, o bien, elija «Esta tarjeta no tiene código de barras» para no utilizar ninguno.</string>
+    <string name="app_copyright_old">Basado en Loyalty Card Keychain, derechos de autor 2016-2020 de Branden Archer.</string>
+    <string name="exportOptionExplanation">Los datos se guardarán en la ubicación que elija.</string>
+    <string name="failedParsingImportUriError">No se pudo procesar el URI de importación</string>
+    <string name="addedShortcut">Atajo añadido</string>
+    <string name="share">Compartir</string>
+    <string name="barcodeNoBarcode">Esta tarjeta no tiene código de barras</string>
+    <string name="barcodeType">Tipo de código de barras</string>
+    <string name="noMatchingGiftCards">Ninguna tarjeta coincide con el filtro de búsqueda. Pruebe con términos distintos.</string>
+    <string name="action_search">Buscar</string>
+</resources>

app/src/main/res/values-fr/strings.xml

@@ -1,8 +1,6 @@
-<resources
-    xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
-
+<?xml version="1.0" encoding="utf-8"?>
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="action_add">Ajouter</string>
-
     <string name="noGiftCards">Aucune carte de fidélité enregistrée. Appuyez sur le bouton \"+\" (plus) pour commencer.\n\nLoyalty Card Locker vous permet d\'enregistrer vos cartes de fidélité sur votre téléphone pour toujours les avoir à portée de main.</string>
     <string name="storeName">Nom</string>
     <string name="note">Note</string>
@@ -18,18 +16,16 @@
     <string name="lockScreen">Désactiver la rotation</string>
     <string name="unlockScreen">Activer la rotation</string>
     <string name="deleteTitle">Supprimer la carte de fidélité</string>
-    <string name="deleteConfirmation">Confirmez que vous souhaitez supprimer cette carte</string>
+    <string name="deleteConfirmation">Confirmez que vous souhaitez supprimer cette carte.</string>
     <string name="ok">OK</string>
     <string name="copy_to_clipboard">Copier le numéro dans le presse-papier</string>
-    <string name="sendLabel">Envoyer&#8230;</string>
+    <string name="sendLabel">Envoyer…</string>
     <string name="editCardTitle">Modifier la carte de fidélité</string>
     <string name="addCardTitle">Ajouter une carte de fidélité</string>
-    <string name="scanCardBarcode">Flasher le code-barres de la carte</string>
+    <string name="scanCardBarcode">Scanner le code-barres</string>
     <string name="cardShortcut">Raccourci de carte</string>
-    <string name="noCardsMessage">Il n\'y a aucune carte. Ajoutez en une d\'abord.</string>
-
+    <string name="noCardsMessage">Il n\'y a aucune carte. Ajoutez-en une d\'abord</string>
     <string name="barcodeImageDescription">Image du code-barres de la carte</string>
-
     <string name="noStoreError">Aucun nom n\'a été saisi</string>
     <string name="noCardIdError">Aucun numéro n\'a été saisi</string>
     <string name="noCardExistsError">N\'a pas pu retrouver la carte de fidélité</string>
@@ -43,38 +39,32 @@
     <string name="exportSuccessfulTitle">Exporté avec succès</string>
     <string name="exportFailedTitle">Échec de l\'export</string>
     <string name="exportFailed">Échec de l\'export </string>
-    <string name="importing">Import &#8230;</string>
-    <string name="exporting">Export &#8230;</string>
+    <string name="importing">Import …</string>
+    <string name="exporting">Export …</string>
     <string name="noExternalStoragePermissionError">Impossible d\'importer ou d\'exporter les données sans l\'autorisation d\'accès au stockage externe</string>
-    <string name="importOptionFilesystemTitle">Importer depuis le système de fichiers.</string>
+    <string name="importOptionFilesystemTitle">Importer depuis le système de fichiers</string>
     <string name="importOptionFilesystemExplanation">Choisissez le fichier à importer.</string>
     <string name="importOptionFilesystemButton">Système de fichiers</string>
     <string name="importOptionApplicationTitle">Application externe</string>
     <string name="importOptionApplicationExplanation">Utilisez une application externe comme Dropbox, Google Drive, ou votre gestionnaire de fichiers favori pour ouvrir un fichier.</string>
     <string name="importOptionApplicationButton">Application externe</string>
-
     <string name="about">À propos</string>
-    <string name="app_copyright_fmt">Copyright 2016-<xliff:g>%d</xliff:g> Branden Archer</string>
     <string name="app_license">Licence GPLv3.</string>
     <string name="about_title_fmt">À propos de <xliff:g id="app_name">%s</xliff:g></string>
     <string name="debug_version_fmt">Version : <xliff:g id="version">%s</xliff:g></string>
     <string name="app_revision_fmt">Notes sur les versions : <xliff:g id="app_revision_url">%s</xliff:g></string>
     <string name="app_libraries"><xliff:g id="app_name">%s</xliff:g> utilise les bibliothèques-tierces suivantes : <xliff:g id="app_libraries_list">%s</xliff:g></string>
     <string name="app_resources"><xliff:g id="app_name">%s</xliff:g> utilise les ressources-tierces suivantes : <xliff:g id="app_resources_list">%s</xliff:g></string>
-
-    <string name="selectBarcodeTitle">Choisissez le code-barre</string>
+    <string name="selectBarcodeTitle">Choisissez le code-barres</string>
     <string name="copy_to_clipboard_toast">Numéro de carte copié dans le presse-papier</string>
-
     <string name="thumbnailDescription">Miniature pour la carte</string>
-
     <string name="change">Modifier</string>
     <string name="storeTextColorTitle">Couleur du texte du magasin</string>
     <string name="storeTextBackgroundColorTitle">Couleur du titre</string>
     <string name="storeNameBackgroundColorDescription">Couleur de fond du texte du magasin</string>
     <string name="storeNameColorDescription">Couleur pour le nom du magasin</string>
-
     <string name="settings">Paramètres</string>
-    <string name="settings_category_title_ui">Interface</string>
+    <string name="settings_category_title_ui">Interface utilisateur</string>
     <string name="settings_card_title_list_font_size">Taille de police pour les titres de carte en liste</string>
     <string name="settings_card_note_list_font_size">Taille de police pour les notes de carte en liste</string>
     <string name="settings_card_title_font_size">Taille de police pour les titres de carte</string>
@@ -82,4 +72,23 @@
     <string name="settings_card_note_font_size">Taille de police pour les notes de carte</string>
     <string name="settings_display_barcode_max_brightness">Augmenter la luminosité du code-barres</string>
     <string name="settings_lock_barcode_orientation">Verrouiller l\'orientation du code-barres</string>
-    </resources>
+    <string name="exportSuccessful">Carte de fidélité exportée avec succès</string>
+    <string name="importSuccessful">Carte de fidélité importée avec succès</string>
+    <string name="intent_import_card_from_url_share_text">Je veux partager une carte avec toi</string>
+    <string name="settings_dark_theme">Thème sombre</string>
+    <string name="settings_light_theme">Thème clair</string>
+    <string name="settings_system_theme">Thème du système</string>
+    <string name="settings_theme">Thème</string>
+    <string name="enterBarcodeInstructions">Entrez l\'identifiant de la carte puis sélectionnez l\'image qui représente le code-barres que vous souhaitez utiliser, ou sélectionnez « Cette carte n\'a pas de code-barres » pour ne pas utiliser de code-barres.</string>
+    <string name="app_copyright_old">Basé sur Loyalty Card Keychain, copyright 2016-2020 Branden Archer.</string>
+    <string name="exportOptionExplanation">Les données seront écrites à un emplacement de votre choix.</string>
+    <string name="failedParsingImportUriError">Impossible d\'analyser l\'URI d\'importation</string>
+    <string name="addedShortcut">Raccourci ajouté</string>
+    <string name="share">Partager</string>
+    <string name="barcodeNoBarcode">Cette carte n\'a pas de code-barres</string>
+    <string name="barcodeType">Type de code-barres</string>
+    <string name="noMatchingGiftCards">Aucune carte ne correspond au filtre de recherche. Veuillez essayer d\'autres termes.</string>
+    <string name="action_search">Rechercher</string>
+    <string name="unstar">Retirer des favoris</string>
+    <string name="star">Ajouter aux favoris</string>
+</resources>

app/src/main/res/values-it/strings.xml

@@ -1,17 +1,13 @@
-<resources
-    xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
-
+<?xml version="1.0" encoding="utf-8"?>
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="action_search">Cerca</string>
     <string name="action_add">Aggiungi</string>
-
     <string name="noGiftCards">Non hai ancora alcuna carta fedeltà. Premi sul bottone +(più) in alto per incominciare.\n\nL\'app ti permette di portare con te le tue carte fedeltà, così da averle sempre a disposizione.</string>
-    <string name="noMatchingGiftCards">Nessuna carta fedeltà corrisponde al filtro. Riprovare con altri valori</string>
-
+    <string name="noMatchingGiftCards">Nessuna carta fedeltà corrisponde al filtro. Riprovare con altri valori.</string>
     <string name="storeName">Negozio</string>
     <string name="note">Note</string>
     <string name="cardId">Codice</string>
     <string name="barcodeNoBarcode">Questa carta non ha un codice a barre</string>
-
     <string name="cancel">Annulla</string>
     <string name="save">Salva</string>
     <string name="capture">Scansione carta</string>
@@ -27,15 +23,13 @@
     <string name="ok">Ok</string>
     <string name="copy_to_clipboard">Copia ID negli appunti</string>
     <string name="share">Condividi</string>
-    <string name="sendLabel">Invia&#8230;</string>
+    <string name="sendLabel">Invia…</string>
     <string name="editCardTitle">Modifica carta</string>
     <string name="addCardTitle">Aggiungi carta</string>
     <string name="scanCardBarcode">Scansiona codice carta</string>
     <string name="cardShortcut">Scorciatoia per la carta</string>
     <string name="noCardsMessage">Non ci sono carte. Aggiungine prima una</string>
-
     <string name="barcodeImageDescription">Immagine del codice a barre della carta</string>
-
     <string name="noStoreError">Nessun negozio inserito</string>
     <string name="noCardIdError">Nessun codice carta inserito</string>
     <string name="noCardExistsError">Impossibile trovare la carta</string>
@@ -50,38 +44,31 @@
     <string name="exportSuccessfulTitle">Esportazione avvenuta con successo</string>
     <string name="exportFailedTitle">Esportazione fallita</string>
     <string name="exportFailed">Impossibile esportare</string>
-    <string name="importing">Importazione in corso&#8230;</string>
-    <string name="exporting">Esportazione in corso&#8230;</string>
-    <string name="noExternalStoragePermissionError">Impossibile importare o esportare i dati senza il permesso per l\'uso della memoria esterna.</string>
+    <string name="importing">Importazione in corso…</string>
+    <string name="exporting">Esportazione in corso…</string>
+    <string name="noExternalStoragePermissionError">Impossibile importare o esportare i dati senza il permesso per l\'uso della memoria esterna</string>
     <string name="importOptionFilesystemTitle">Importa dal file system</string>
     <string name="importOptionFilesystemExplanation">Scegli un file dal file system.</string>
     <string name="importOptionFilesystemButton">Dal file system</string>
     <string name="importOptionApplicationTitle">Usa un\'applicazione esterna</string>
     <string name="importOptionApplicationExplanation">Usa un\'applicazione esterna come Dropbox, Google Drive o il tuo file manager preferito per aprire il file.</string>
     <string name="importOptionApplicationButton">Usa un\'applicazione esterna</string>
-
     <string name="about">Informazioni</string>
-    <string name="app_copyright_fmt">Copyright 2016-<xliff:g>%d</xliff:g> Branden Archer</string>
     <string name="app_license">Pubblicato sotto licenza GPLv3.</string>
     <string name="about_title_fmt">Informazioni su <xliff:g id="app_name">%s</xliff:g></string>
     <string name="debug_version_fmt">Versione: <xliff:g id="version">%s</xliff:g></string>
     <string name="app_revision_fmt">Informazione sulla versione: <xliff:g id="app_revision_url">%s</xliff:g></string>
     <string name="app_libraries"><xliff:g id="app_name">%s</xliff:g> usa le seguenti librerie di terze parti: <xliff:g id="app_libraries_list">%s</xliff:g></string>
     <string name="app_resources"><xliff:g id="app_name">%s</xliff:g> usa le seguenti risorse di terze parti: <xliff:g id="app_resources_list">%s</xliff:g></string>
-
     <string name="selectBarcodeTitle">Seleziona codice a barre</string>
-    <string name="enterBarcodeInstructions">Immettere l\'ID della carta, quindi selezionare l\'immagine che rappresenta il codice a barre desiderato oppure selezionare &#8220;Questa carta non ha un codice a barre&#8221; per non valorizzare il dato.</string>
-
+    <string name="enterBarcodeInstructions">Immettere l\'ID della carta, quindi selezionare l\'immagine che rappresenta il codice a barre desiderato oppure selezionare «Questa carta non ha un codice a barre» per non valorizzare il dato.</string>
     <string name="copy_to_clipboard_toast">ID della carta copiato negli appunti</string>
-
     <string name="thumbnailDescription">Miniatura carta</string>
-
     <string name="change">Cambia</string>
     <string name="storeTextColorTitle">Colore titolo</string>
     <string name="storeTextBackgroundColorTitle">Colore scheda</string>
     <string name="storeNameBackgroundColorDescription">Colore di sfondo del titolo carta</string>
     <string name="storeNameColorDescription">Colore del titolo carta</string>
-
     <string name="settings">Impostazioni</string>
     <string name="settings_category_title_ui">Interfaccia utente</string>
     <string name="settings_theme">Tema</string>
@@ -96,4 +83,12 @@
     <string name="settings_display_barcode_max_brightness">Aumenta luminosità dello schermo quando apro un codice a barre</string>
     <string name="settings_lock_barcode_orientation">Blocca orientamento del codice a barre</string>
     <string name="intent_import_card_from_url_share_text">Voglio condividere una carta fedeltà con te</string>
-    </resources>
+    <string name="exportSuccessful">Dati della carta fedeltà esportati correttamente</string>
+    <string name="importSuccessful">Dati della carta fedeltà importati correttamente</string>
+    <string name="app_copyright_old">Basato su Loyalty Card Keychain, copyright 2016-2020 Branden Archer.</string>
+    <string name="exportOptionExplanation">I dati verranno scritti in una posizione a tua scelta.</string>
+    <string name="addedShortcut">Scorciatoia aggiunta</string>
+    <string name="barcodeType">Tipo di codice a barre</string>
+    <string name="unstar">Rimuovi dai preferiti</string>
+    <string name="star">Aggiungi ai preferiti</string>
+</resources>

app/src/main/res/values-lt/strings.xml

@@ -34,7 +34,6 @@
     <string name="exporting">Eksportuoja&#8230;</string>
     <string name="noExternalStoragePermissionError">Negalima importuoti/eksportuoti kortelių be išorinės atminties leidimo</string>
     <string name="about">Apie</string>
-    <string name="app_copyright_fmt">Visos teisės saugomos 2016-<xliff:g>%d</xliff:g> Branden Archer</string>
     <string name="app_license">Licenzijuota pagal GPLv3.</string>
     <string name="about_title_fmt">Apie <xliff:g id="app_name">%s</xliff:g></string>
     <string name="debug_version_fmt">Versija: <xliff:g id="version">%s</xliff:g></string>

app/src/main/res/values-nb-rNO/strings.xml

@@ -52,7 +52,6 @@
     <string name="importOptionApplicationExplanation">Bruk eksternt program som Nextcloud, eller din favorittfilbehandler til å åpne ei fil.</string>
     <string name="importOptionApplicationButton">Bruk eksternt program</string>
     <string name="about">Om</string>
-    <string name="app_copyright_fmt">Kopirett 2016-<xliff:g>%d</xliff:g> Branden Archer</string>
     <string name="app_license">Lisensiert GPLv3+.</string>
     <string name="about_title_fmt">Om <xliff:g id="app_name">%s</xliff:g>
     </string>
@@ -83,4 +82,20 @@
     <string name="settings_card_note_font_size">Skriftstørrelse for kortmerknad</string>
     <string name="settings_display_barcode_max_brightness">Lysere strekkodevisning</string>
     <string name="settings_lock_barcode_orientation">Lås strekkodesideretning</string>
-</resources>
+    <string name="exportSuccessful">Eksporterte stamkundekortdata</string>
+    <string name="importSuccessful">Importerte stamkundekortdata</string>
+    <string name="intent_import_card_from_url_share_text">Jeg ønsker å dele et kort med deg</string>
+    <string name="settings_dark_theme">Mørk</string>
+    <string name="settings_light_theme">Lys</string>
+    <string name="settings_system_theme">Systemdrakt</string>
+    <string name="settings_theme">Drakt</string>
+    <string name="app_copyright_old">Basert på Kundekortknippe, opphavsrett 2016-2020 Branden Archer.</string>
+    <string name="failedParsingImportUriError">Kunne ikke tolke importerings-URI</string>
+    <string name="share">Del</string>
+    <string name="barcodeNoBarcode">Dette kortet har ingen strekkode</string>
+    <string name="noMatchingGiftCards">Fant ingen slike kort. Prøv å endre søket.</string>
+    <string name="action_search">Søk</string>
+    <string name="starImage">Favorittstjerne</string>
+    <string name="unstar">Fjern fra favoritter</string>
+    <string name="star">Legg til i favoritter</string>
+</resources>

app/src/main/res/values-nl/strings.xml

@@ -64,7 +64,6 @@
     <string name="importOptionApplicationButton">Externe app gebruiken</string>
 
     <string name="about">Over</string>
-    <string name="app_copyright_fmt">Copyright 2016-<xliff:g>%d</xliff:g> Branden Archer</string>
     <string name="app_license">Uitgebracht onder de GPLv3-licentie.</string>
     <string name="about_title_fmt">Over <xliff:g id="app_name">%s</xliff:g></string>
     <string name="debug_version_fmt">Versie: <xliff:g id="version">%s</xliff:g></string>

app/src/main/res/values-pl/strings.xml

@@ -61,7 +61,6 @@
     <string name="importOptionApplicationButton">Użyj zewnętrznej aplikacji</string>
 
     <string name="about">O aplikacji</string>
-    <string name="app_copyright_fmt">© 2016 — <xliff:g>%d</xliff:g> Branden Archer.</string>
     <string name="app_license">Licencjonowane na podstawie GNU General Public License, wersji 3.0.</string>
     <string name="about_title_fmt">O <xliff:g id="app_name">%s</xliff:g></string>
     <string name="debug_version_fmt">Wersja: <xliff:g id="version">%s</xliff:g></string>

app/src/main/res/values-ru/strings.xml

@@ -1,18 +1,14 @@
-<resources
-    xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
-
+<?xml version="1.0" encoding="utf-8"?>
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <string name="action_search">Поиск</string>
     <string name="action_add">Добавить карту</string>
-
     <string name="noGiftCards">Пока нет ни одной карты. Нажмите на кнопку «+» (плюс) сверху для добавления.\n\n«Карты лояльности» позволяют хранить карты скидок в телефоне, так что они всегда будут под рукой.</string>
     <string name="noMatchingGiftCards">Карт не найдено, попробуйте поискать по-другому.</string>
-
     <string name="storeName">Магазин</string>
     <string name="note">Примечание</string>
     <string name="cardId">Номер карты</string>
     <string name="barcodeType">Тип штрихкода</string>
     <string name="barcodeNoBarcode">Эта карта без штрихкода</string>
-
     <string name="cancel">Отменить</string>
     <string name="save">Сохранить</string>
     <string name="capture">Сканировать карту</string>
@@ -28,16 +24,14 @@
     <string name="ok">ОК</string>
     <string name="copy_to_clipboard">Скопировать номер карты в буфер обмена</string>
     <string name="share">Переслать</string>
-    <string name="sendLabel">Отправить&#8230;</string>
+    <string name="sendLabel">Отправить…</string>
     <string name="addedShortcut">Добавленный ярлык</string>
     <string name="editCardTitle">Редактировать карту</string>
     <string name="addCardTitle">Добавить карту</string>
     <string name="scanCardBarcode">Отсканируйте штрих-код</string>
     <string name="cardShortcut">Ярлык карты</string>
     <string name="noCardsMessage">Карт нет, добавьте одну для начала</string>
-
     <string name="barcodeImageDescription">Изображение штрих-кода</string>
-
     <string name="noStoreError">Название магазина не указано</string>
     <string name="noCardIdError">Номер карты не указан</string>
     <string name="noCardExistsError">Карта не найдена</string>
@@ -52,8 +46,8 @@
     <string name="exportSuccessfulTitle">Успешный экспорт</string>
     <string name="exportFailedTitle">Экспорт не удался</string>
     <string name="exportFailed">Не удалось экспортировать</string>
-    <string name="importing">Импорт&#8230;</string>
-    <string name="exporting">Экспорт&#8230;</string>
+    <string name="importing">Импорт…</string>
+    <string name="exporting">Экспорт…</string>
     <string name="noExternalStoragePermissionError">Импорт или экспорт невозможен без разрешения на доступ к хранилищу</string>
     <string name="exportOptionExplanation">Данные будут записаны в выбранное место.</string>
     <string name="importOptionFilesystemTitle">Импорт из файловой системы</string>
@@ -62,29 +56,22 @@
     <string name="importOptionApplicationTitle">Использование другого приложения</string>
     <string name="importOptionApplicationExplanation">Использовать другое приложение такое как Dropbox, Google Drive, или ваш любимый файловый менеджер чтобы открыть файл.</string>
     <string name="importOptionApplicationButton">Использовать другое приложение</string>
-
     <string name="about">О программе</string>
-    <string name="app_copyright_fmt">Все права защищены 2016-<xliff:g>%d</xliff:g> Branden Archer</string>
     <string name="app_license">Лицензия GPLv3.</string>
     <string name="about_title_fmt">О программе <xliff:g id="app_name">%s</xliff:g></string>
     <string name="debug_version_fmt">Версия: <xliff:g id="version">%s</xliff:g></string>
     <string name="app_revision_fmt">Информация о версиях: <xliff:g id="app_revision_url">%s</xliff:g></string>
     <string name="app_libraries"><xliff:g id="app_name">%s</xliff:g> использует следующие сторонние библиотеки: <xliff:g id="app_libraries_list">%s</xliff:g></string>
     <string name="app_resources"><xliff:g id="app_name">%s</xliff:g> использует следующие сторонние ресурсы: <xliff:g id="app_resources_list">%s</xliff:g></string>
-
     <string name="selectBarcodeTitle">Выбор штрих-кода</string>
     <string name="enterBarcodeInstructions">Введите ID карты и выберите тип штрих-кода.</string>
-
     <string name="copy_to_clipboard_toast">Номер карты скопирован в буфер обмена</string>
-
     <string name="thumbnailDescription">Логотип карты</string>
-
     <string name="change">Изменить</string>
     <string name="storeTextColorTitle">Цвет текста</string>
     <string name="storeTextBackgroundColorTitle">Цвет фона</string>
     <string name="storeNameBackgroundColorDescription">Цвет фона названия магазина</string>
     <string name="storeNameColorDescription">Цвет текста названия магазина</string>
-
     <string name="settings">Настройки</string>
     <string name="settings_category_title_ui">Внешний вид</string>
     <string name="settings_theme">Тема</string>
@@ -99,4 +86,5 @@
     <string name="settings_display_barcode_max_brightness">Максимальная яркость при показе карты</string>
     <string name="settings_lock_barcode_orientation">Портретная ориентация экрана при показе карты</string>
     <string name="intent_import_card_from_url_share_text">Я хочу поделиться картой с вами</string>
-    </resources>
+    <string name="exportSuccessful">Данные карты лояльности успешно экспортированы</string>
+</resources>

app/src/main/res/values-sk/strings.xml

@@ -54,7 +54,6 @@
     <string name="importOptionApplicationButton">Použiť externú aplikáciu</string>
 
     <string name="about">O aplikácii</string>
-    <string name="app_copyright_fmt">Copyright 2016-<xliff:g>%d</xliff:g> Branden Archer</string>
     <string name="app_license">Licencované GPLv3.</string>
     <string name="about_title_fmt">O <xliff:g id="app_name">%s</xliff:g></string>
     <string name="debug_version_fmt">Verzia: <xliff:g id="version">%s</xliff:g></string>

app/src/main/res/values-sl/strings.xml

@@ -54,7 +54,6 @@
     <string name="importOptionApplicationButton">Uporabi zunanjo aplikacijo</string>
 
     <string name="about">Več o aplikaciji</string>
-    <string name="app_copyright_fmt">Copyright 2016-<xliff:g>%d</xliff:g> Branden Archer</string>
     <string name="app_license">Licencirano s skladu z GPLv3.</string>
     <string name="about_title_fmt">Več o <xliff:g id="app_name">%s</xliff:g></string>
     <string name="debug_version_fmt">Verzija: <xliff:g id="version">%s</xliff:g></string>

app/src/main/res/values-v21/styles.xml

@@ -1,6 +1,6 @@
 <resources>>
 
-    <style name="AppTheme.NoActionBar">
+    <style name="AppTheme.NoActionBar" parent="AppTheme">
         <item name="windowActionBar">false</item>
         <item name="windowNoTitle">true</item>
         <item name="android:windowDrawsSystemBarBackgrounds">true</item>

app/src/main/res/values/dimens.xml

@@ -21,6 +21,7 @@
 
     <dimen name="inputBorderThickness">2dip</dimen>
     <dimen name="inputBorderDividerThickness">4dip</dimen>
+    <dimen name="inputMargin">2dip</dimen>
     <dimen name="inputPadding">20dip</dimen>
     <dimen name="colorSamplePadding">10dip</dimen>
     <dimen name="inputSize">18sp</dimen>

app/src/main/res/values/ic_launcher_background.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="ic_launcher_background">#223355</color>
+</resources>

app/src/main/res/values/strings.xml

@@ -6,7 +6,7 @@
     <string name="action_add">Add</string>
 
     <string name="noGiftCards">You don\'t have any cards at the moment. Click the "+" (plus) button to get started.\n\nCatima lets you carry your cards on your phone, so they are always within reach.</string>
-    <string name="noMatchingGiftCards">No cards match the search filter. Please try some different terms.</string>
+    <string name="noMatchingGiftCards">No cards match the filter. Please try some different terms.</string>
 
     <string name="storeName">Store</string>
     <string name="note">Note</string>
@@ -14,6 +14,9 @@
     <string name="barcodeType">Barcode type</string>
     <string name="barcodeNoBarcode">This card has no barcode</string>
 
+    <string name="star">Add to favorites</string>
+    <string name="unstar">Remove from favorites</string>
+
     <string name="cancel">Cancel</string>
     <string name="save">Save</string>
     <string name="capture">Capture Card</string>
@@ -60,12 +63,12 @@
     <string name="importOptionFilesystemTitle">Import from filesystem</string>
     <string name="importOptionFilesystemExplanation">Choose a specific file from the filesystem.</string>
     <string name="importOptionFilesystemButton">From filesystem</string>
-    <string name="importOptionApplicationTitle">Use external ap1plication</string>
+    <string name="importOptionApplicationTitle">Use external application</string>
     <string name="importOptionApplicationExplanation">Use an external application like Dropbox, Google Drive, or your favorite file manager to open a file.</string>
     <string name="importOptionApplicationButton">Use external application</string>
 
     <string name="about">About</string>
-    <string name="app_copyright_fmt">Copyright 2019-<xliff:g>%d</xliff:g> Sylvia van Os.</string>
+    <string name="app_copyright_fmt" translatable="false">Copyright 2019-<xliff:g>%d</xliff:g> Sylvia van Os.</string>
     <string name="app_copyright_old">Based on Loyalty Card Keychain, copyright 2016-2020 Branden Archer.</string>
     <string name="app_license">Licensed under the GPLv3.</string>
     <string name="about_title_fmt">About <xliff:g id="app_name">%s</xliff:g></string>
@@ -80,6 +83,7 @@
     <string name="copy_to_clipboard_toast">Card ID copied to clipboard</string>
 
     <string name="thumbnailDescription">Thumbnail for card</string>
+    <string name="starImage">Favorite star</string>
 
     <string name="change">Change</string>
     <string name="storeTextColorTitle">Store Text Color</string>
@@ -119,4 +123,11 @@
     <string name="intent_import_card_from_url_path_prefix_old" translatable="false">/loyalty-card-locker/share</string>
     <string name="importSuccessful">Successfully imported loyalty card data</string>
     <string name="exportSuccessful">Successfully exported loyalty card data</string>
+
+    <string name="enter_group_name">Enter group name</string>
+    <string name="groups">Groups</string>
+    <string name="noGroups">You don\'t have any groups at the moment. Click the "+" (plus) button to get started.\n\nCards can be assigned to groups to make them easier to find.</string>
+    <string name="groupCardCount"><xliff:g>%d</xliff:g> cards</string>
+    <string name="all">All</string>
+    <string name="deleteConfirmationGroup">Please confirm you want to delete this group</string>
 </resources>

app/src/main/res/values/styles.xml

@@ -1,23 +1,24 @@
 <resources>
 
     <!-- Base application theme. -->
-    <style name="AppTheme" parent="Theme.AppCompat.DayNight.DarkActionBar">
+    <style name="AppTheme" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
         <!-- Customize your theme here. -->
         <item name="colorPrimary">@color/colorPrimary</item>
         <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
+        <item name="colorSecondary">@color/colorSecondary</item>
         <item name="colorAccent">@color/colorSecondary</item>
     </style>
 
-    <style name="AppTheme.NoActionBar">
+    <style name="AppTheme.NoActionBar" parent="AppTheme">
         <item name="windowActionBar">false</item>
         <item name="windowNoTitle">true</item>
     </style>
 
-    <style name="AppTheme.AppBarOverlay" parent="ThemeOverlay.AppCompat.Dark.ActionBar"/>
+    <style name="AppTheme.AppBarOverlay" parent="ThemeOverlay.MaterialComponents.Dark.ActionBar"/>
 
-    <style name="AppTheme.PopupOverlay" parent="ThemeOverlay.AppCompat.Light"/>
+    <style name="AppTheme.PopupOverlay" parent="ThemeOverlay.MaterialComponents.Light"/>
 
-    <style name="CardView.ActionBarTheme" parent="@style/ThemeOverlay.AppCompat.ActionBar">
+    <style name="CardView.ActionBarTheme" parent="@style/ThemeOverlay.MaterialComponents.ActionBar">
         <!-- THIS is where you can color the arrow! -->
         <item name="colorControlNormal">@android:color/white</item>
     </style>

app/src/test/java/protect/card_locker/DatabaseTest.java

@@ -15,7 +15,11 @@ import org.robolectric.Robolectric;
 import org.robolectric.RobolectricTestRunner;
 import org.robolectric.annotation.Config;
 
+import java.util.ArrayList;
+import java.util.List;
+
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
@@ -40,7 +44,7 @@ public class DatabaseTest
     public void addRemoveOneGiftCard()
     {
         assertEquals(0, db.getLoyaltyCardCount());
-        long id = db.insertLoyaltyCard("store", "note", "cardId", BarcodeFormat.UPC_A.toString(), DEFAULT_HEADER_COLOR, DEFAULT_HEADER_TEXT_COLOR);
+        long id = db.insertLoyaltyCard("store", "note", "cardId", BarcodeFormat.UPC_A.toString(), DEFAULT_HEADER_COLOR, DEFAULT_HEADER_TEXT_COLOR, 0);
         boolean result = (id != -1);
         assertTrue(result);
         assertEquals(1, db.getLoyaltyCardCount());
@@ -50,6 +54,7 @@ public class DatabaseTest
         assertEquals("store", loyaltyCard.store);
         assertEquals("note", loyaltyCard.note);
         assertEquals("cardId", loyaltyCard.cardId);
+        assertEquals(0, loyaltyCard.starStatus);
         assertEquals(BarcodeFormat.UPC_A.toString(), loyaltyCard.barcodeType);
 
         result = db.deleteLoyaltyCard(1);
@@ -61,7 +66,7 @@ public class DatabaseTest
     @Test
     public void updateGiftCard()
     {
-        long id = db.insertLoyaltyCard("store", "note", "cardId", BarcodeFormat.UPC_A.toString(), DEFAULT_HEADER_COLOR, DEFAULT_HEADER_TEXT_COLOR);
+        long id = db.insertLoyaltyCard("store", "note", "cardId", BarcodeFormat.UPC_A.toString(), DEFAULT_HEADER_COLOR, DEFAULT_HEADER_TEXT_COLOR,0);
         boolean result = (id != -1);
         assertTrue(result);
         assertEquals(1, db.getLoyaltyCardCount());
@@ -75,9 +80,31 @@ public class DatabaseTest
         assertEquals("store1", loyaltyCard.store);
         assertEquals("note1", loyaltyCard.note);
         assertEquals("cardId1", loyaltyCard.cardId);
+        assertEquals(0, loyaltyCard.starStatus);
         assertEquals(BarcodeFormat.AZTEC.toString(), loyaltyCard.barcodeType);
     }
 
+    @Test
+    public void updateGiftCardOnlyStar()
+    {
+        long id = db.insertLoyaltyCard("store", "note", "cardId", BarcodeFormat.UPC_A.toString(), DEFAULT_HEADER_COLOR, DEFAULT_HEADER_TEXT_COLOR,0);
+        boolean result = (id != -1);
+        assertTrue(result);
+        assertEquals(1, db.getLoyaltyCardCount());
+
+        result = db.updateLoyaltyCardStarStatus(1, 1);
+        assertTrue(result);
+        assertEquals(1, db.getLoyaltyCardCount());
+
+        LoyaltyCard loyaltyCard = db.getLoyaltyCard(1);
+        assertNotNull(loyaltyCard);
+        assertEquals("store", loyaltyCard.store);
+        assertEquals("note", loyaltyCard.note);
+        assertEquals("cardId", loyaltyCard.cardId);
+        assertEquals(1, loyaltyCard.starStatus);
+        assertEquals(BarcodeFormat.UPC_A.toString(), loyaltyCard.barcodeType);
+    }
+
     @Test
     public void updateMissingGiftCard()
     {
@@ -92,7 +119,7 @@ public class DatabaseTest
     @Test
     public void emptyGiftCardValues()
     {
-        long id = db.insertLoyaltyCard("", "", "", "", null, null);
+        long id = db.insertLoyaltyCard("", "", "", "", null, null, 0);
         boolean result = (id != -1);
         assertTrue(result);
         assertEquals(1, db.getLoyaltyCardCount());
@@ -115,7 +142,7 @@ public class DatabaseTest
         for(int index = CARDS_TO_ADD-1; index >= 0; index--)
         {
             long id = db.insertLoyaltyCard("store" + index, "note" + index, "cardId" + index,
-                    BarcodeFormat.UPC_A.toString(), index, index*2);
+                    BarcodeFormat.UPC_A.toString(), index, index*2, 0);
             boolean result = (id != -1);
             assertTrue(result);
         }
@@ -136,6 +163,66 @@ public class DatabaseTest
             assertEquals("cardId"+index, cursor.getString(cursor.getColumnIndexOrThrow(DBHelper.LoyaltyCardDbIds.CARD_ID)));
             assertEquals("cardId"+index, cursor.getString(cursor.getColumnIndexOrThrow(DBHelper.LoyaltyCardDbIds.CARD_ID)));
             assertEquals(BarcodeFormat.UPC_A.toString(), cursor.getString(cursor.getColumnIndexOrThrow(DBHelper.LoyaltyCardDbIds.BARCODE_TYPE)));
+            assertEquals(0, cursor.getInt(cursor.getColumnIndexOrThrow(DBHelper.LoyaltyCardDbIds.STAR_STATUS)));
+            assertEquals(index, cursor.getInt(cursor.getColumnIndexOrThrow(DBHelper.LoyaltyCardDbIds.HEADER_COLOR)));
+            assertEquals(index*2, cursor.getInt(cursor.getColumnIndexOrThrow(DBHelper.LoyaltyCardDbIds.HEADER_TEXT_COLOR)));
+
+            cursor.moveToNext();
+        }
+
+        assertTrue(cursor.isAfterLast());
+    }
+
+    @Test
+    public void giftCardsViaCursorWithOneStarred()      //sorting test; stared card should appear first
+    {
+        final int CARDS_TO_ADD = 10;
+        long id;
+        // Add the gift cards in reverse order and add one with STAR, to ensure
+        // that they are sorted
+        for(int index = CARDS_TO_ADD-1; index >= 0; index--)
+        {
+            if (index == CARDS_TO_ADD-1) {
+                id = db.insertLoyaltyCard("store" + index, "note" + index, "cardId" + index,
+                        BarcodeFormat.UPC_A.toString(), index, index*2, 1);
+            }
+
+            else {
+                id = db.insertLoyaltyCard("store" + index, "note" + index, "cardId" + index,
+                        BarcodeFormat.UPC_A.toString(), index, index*2, 0);
+            }
+            boolean result = (id != -1);
+            assertTrue(result);
+        }
+
+        assertEquals(CARDS_TO_ADD, db.getLoyaltyCardCount());
+
+        Cursor cursor = db.getLoyaltyCardCursor();
+        assertNotNull(cursor);
+
+        assertEquals(CARDS_TO_ADD, cursor.getCount());
+
+        cursor.moveToFirst();
+        int index = CARDS_TO_ADD-1 ;
+        assertEquals("store"+index, cursor.getString(cursor.getColumnIndexOrThrow(DBHelper.LoyaltyCardDbIds.STORE)));
+        assertEquals("note"+index, cursor.getString(cursor.getColumnIndexOrThrow(DBHelper.LoyaltyCardDbIds.NOTE)));
+        assertEquals("cardId"+index, cursor.getString(cursor.getColumnIndexOrThrow(DBHelper.LoyaltyCardDbIds.CARD_ID)));
+        assertEquals("cardId"+index, cursor.getString(cursor.getColumnIndexOrThrow(DBHelper.LoyaltyCardDbIds.CARD_ID)));
+        assertEquals(BarcodeFormat.UPC_A.toString(), cursor.getString(cursor.getColumnIndexOrThrow(DBHelper.LoyaltyCardDbIds.BARCODE_TYPE)));
+        assertEquals(1, cursor.getInt(cursor.getColumnIndexOrThrow(DBHelper.LoyaltyCardDbIds.STAR_STATUS)));
+        assertEquals(index, cursor.getInt(cursor.getColumnIndexOrThrow(DBHelper.LoyaltyCardDbIds.HEADER_COLOR)));
+        assertEquals(index*2, cursor.getInt(cursor.getColumnIndexOrThrow(DBHelper.LoyaltyCardDbIds.HEADER_TEXT_COLOR)));
+
+        cursor.moveToNext();
+
+        for(index = 0; index < CARDS_TO_ADD-1; index++)
+        {
+            assertEquals("store"+index, cursor.getString(cursor.getColumnIndexOrThrow(DBHelper.LoyaltyCardDbIds.STORE)));
+            assertEquals("note"+index, cursor.getString(cursor.getColumnIndexOrThrow(DBHelper.LoyaltyCardDbIds.NOTE)));
+            assertEquals("cardId"+index, cursor.getString(cursor.getColumnIndexOrThrow(DBHelper.LoyaltyCardDbIds.CARD_ID)));
+            assertEquals("cardId"+index, cursor.getString(cursor.getColumnIndexOrThrow(DBHelper.LoyaltyCardDbIds.CARD_ID)));
+            assertEquals(BarcodeFormat.UPC_A.toString(), cursor.getString(cursor.getColumnIndexOrThrow(DBHelper.LoyaltyCardDbIds.BARCODE_TYPE)));
+            assertEquals(0, cursor.getInt(cursor.getColumnIndexOrThrow(DBHelper.LoyaltyCardDbIds.STAR_STATUS)));
             assertEquals(index, cursor.getInt(cursor.getColumnIndexOrThrow(DBHelper.LoyaltyCardDbIds.HEADER_COLOR)));
             assertEquals(index*2, cursor.getInt(cursor.getColumnIndexOrThrow(DBHelper.LoyaltyCardDbIds.HEADER_TEXT_COLOR)));
 
@@ -171,6 +258,161 @@ public class DatabaseTest
         return (int)newId;
     }
 
+    @Test
+    public void addRemoveOneGroup()
+    {
+        assertEquals(0, db.getGroupCount());
+        long id = db.insertGroup("group one");
+        boolean result = (id != -1);
+        assertTrue(result);
+        assertEquals(1, db.getGroupCount());
+
+        Group group = db.getGroup("group one");
+        assertNotNull(group);
+        assertEquals("group one", group._id);
+
+        result = db.deleteGroup("group one");
+        assertTrue(result);
+        assertEquals(0, db.getGroupCount());
+        assertNull(db.getGroup("group one"));
+    }
+
+    @Test
+    public void updateGroup()
+    {
+        long id = db.insertGroup("group one");
+        boolean result = (id != -1);
+        assertTrue(result);
+        assertEquals(1, db.getGroupCount());
+
+        result = db.updateGroup("group one", "group one renamed");
+        assertTrue(result);
+        assertEquals(1, db.getGroupCount());
+
+        // Group one no longer exists
+        Group group = db.getGroup("group one");
+        assertNull(group);
+
+        // But group one renamed does
+        Group group2 = db.getGroup("group one renamed");
+        assertNotNull(group2);
+        assertEquals("group one renamed", group2._id);
+    }
+
+    @Test
+    public void updateMissingGroup()
+    {
+        assertEquals(0, db.getGroupCount());
+
+        boolean result = db.updateGroup("group one", "new name");
+        assertEquals(false, result);
+        assertEquals(0, db.getGroupCount());
+    }
+
+    @Test
+    public void emptyGroupValues()
+    {
+        long id = db.insertGroup("");
+        boolean result = (id != -1);
+        assertFalse(result);
+        assertEquals(0, db.getLoyaltyCardCount());
+    }
+
+    @Test
+    public void duplicateGroupName()
+    {
+        assertEquals(0, db.getGroupCount());
+        long id = db.insertGroup("group one");
+        boolean result = (id != -1);
+        assertTrue(result);
+        assertEquals(1, db.getGroupCount());
+
+        Group group = db.getGroup("group one");
+        assertNotNull(group);
+        assertEquals("group one", group._id);
+
+        // Should fail on duplicate
+        long id2 = db.insertGroup("group one");
+        boolean result2 = (id2 != -1);
+        assertFalse(result2);
+        assertEquals(1, db.getGroupCount());
+    }
+
+    @Test
+    public void updateGroupDuplicate()
+    {
+        long id = db.insertGroup("group one");
+        boolean result = (id != -1);
+        assertTrue(result);
+        assertEquals(1, db.getGroupCount());
+
+        long id2 = db.insertGroup("group two");
+        boolean result2 = (id2 != -1);
+        assertTrue(result2);
+        assertEquals(2, db.getGroupCount());
+
+        // Should fail when trying to rename group two to one
+        boolean result3 = db.updateGroup("group two", "group one");
+        assertFalse(result3);
+        assertEquals(2, db.getGroupCount());
+
+        // Rename failed so both should still be the same
+        Group group = db.getGroup("group one");
+        assertNotNull(group);
+        assertEquals("group one", group._id);
+
+        Group group2 = db.getGroup("group two");
+        assertNotNull(group2);
+        assertEquals("group two", group2._id);
+    }
+
+    @Test
+    public void cardAddAndRemoveGroups()
+    {
+        // Create card
+        assertEquals(0, db.getLoyaltyCardCount());
+        long id = db.insertLoyaltyCard("store", "note", "cardId", BarcodeFormat.UPC_A.toString(), DEFAULT_HEADER_COLOR, DEFAULT_HEADER_TEXT_COLOR, 0);
+        boolean result = (id != -1);
+        assertTrue(result);
+        assertEquals(1, db.getLoyaltyCardCount());
+
+        // Create two groups to only one card
+        assertEquals(0, db.getGroupCount());
+        long gid = db.insertGroup("one");
+        boolean gresult = (gid != -1);
+        assertTrue(gresult);
+
+        long gid2 = db.insertGroup("two");
+        boolean gresult2 = (gid2 != -1);
+        assertTrue(gresult2);
+
+        assertEquals(2, db.getGroupCount());
+
+        Group group1 = db.getGroup("one");
+
+        // Card has no groups by default
+        List<Group> cardGroups = db.getLoyaltyCardGroups(1);
+        assertEquals(0, cardGroups.size());
+
+        // Add one groups to card
+        List<Group> groupList1 = new ArrayList<>();
+        groupList1.add(group1);
+        db.setLoyaltyCardGroups(1, groupList1);
+
+        List<Group> cardGroups1 = db.getLoyaltyCardGroups(1);
+        assertEquals(1, cardGroups1.size());
+        assertEquals(cardGroups1.get(0)._id, group1._id);
+        assertEquals(1, db.getGroupCardCount("one"));
+        assertEquals(0, db.getGroupCardCount("two"));
+
+        // Remove groups
+        db.setLoyaltyCardGroups(1, new ArrayList<Group>());
+        List<Group> cardGroups2 = db.getLoyaltyCardGroups(1);
+        assertEquals(0, cardGroups2.size());
+        assertEquals(0, db.getGroupCardCount("one"));
+        assertEquals(0, db.getGroupCardCount("two"));
+    }
+
     @Test
     public void databaseUpgradeFromVersion1()
     {

app/src/test/java/protect/card_locker/ImportExportActivityTest.java

@@ -9,7 +9,6 @@ import android.content.pm.ActivityInfo;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
-import android.net.Uri;
 import android.view.View;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -17,7 +16,6 @@ import org.robolectric.Robolectric;
 import org.robolectric.RobolectricTestRunner;
 import org.robolectric.RuntimeEnvironment;
 import org.robolectric.annotation.Config;
-import org.robolectric.shadows.ShadowPackageManager;
 
 @RunWith(RobolectricTestRunner.class)
 @Config(sdk = 23)

app/src/test/java/protect/card_locker/ImportExportTest.java

@@ -3,12 +3,10 @@ package protect.card_locker;
 import android.app.Activity;
 import android.database.Cursor;
 import android.database.sqlite.SQLiteDatabase;
-import android.net.Uri;
 import android.os.Environment;
 
 import com.google.zxing.BarcodeFormat;
 
-import org.apache.tools.ant.filters.StringInputStream;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -25,9 +23,10 @@ import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStreamReader;
 import java.io.OutputStreamWriter;
-import java.net.URI;
 import java.nio.charset.StandardCharsets;
+import java.util.ArrayList;
 import java.util.Calendar;
+import java.util.List;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
@@ -71,7 +70,7 @@ public class ImportExportTest
         {
             String storeName = String.format("store, \"%4d", index);
             String note = String.format("note, \"%4d", index);
-            long id = db.insertLoyaltyCard(storeName, note, BARCODE_DATA, BARCODE_TYPE, index, index*2);
+            long id = db.insertLoyaltyCard(storeName, note, BARCODE_DATA, BARCODE_TYPE, index, index*2, 0);
             boolean result = (id != -1);
             assertTrue(result);
         }
@@ -79,6 +78,44 @@ public class ImportExportTest
         assertEquals(cardsToAdd, db.getLoyaltyCardCount());
     }
 
+    private void addLoyaltyCardsFiveStarred()
+    {
+        int cardsToAdd = 9;
+        // Add in reverse order to test sorting
+        for(int index = cardsToAdd; index > 4; index--)
+        {
+            String storeName = String.format("store, \"%4d", index);
+            String note = String.format("note, \"%4d", index);
+            long id = db.insertLoyaltyCard(storeName, note, BARCODE_DATA, BARCODE_TYPE, index, index*2, 1);
+            boolean result = (id != -1);
+            assertTrue(result);
+        }
+        for(int index = cardsToAdd-5; index > 0; index--)
+        {
+            String storeName = String.format("store, \"%4d", index);
+            String note = String.format("note, \"%4d", index);
+            //if index is even
+            long id = db.insertLoyaltyCard(storeName, note, BARCODE_DATA, BARCODE_TYPE, index, index*2, 0);
+            boolean result = (id != -1);
+            assertTrue(result);
+        }
+        assertEquals(cardsToAdd, db.getLoyaltyCardCount());
+    }
+
+    private void addGroups(int groupsToAdd)
+    {
+        // Add in reverse order to test sorting
+        for(int index = groupsToAdd; index > 0; index--)
+        {
+            String groupName = String.format("group, \"%4d", index);
+            long id = db.insertGroup(groupName);
+            boolean result = (id != -1);
+            assertTrue(result);
+        }
+
+        assertEquals(groupsToAdd, db.getGroupCount());
+    }
+
     /**
      * Check that all of the cards follow the pattern
      * specified in addLoyaltyCards(), and are in sequential order
@@ -102,6 +139,81 @@ public class ImportExportTest
             assertEquals(BARCODE_TYPE, card.barcodeType);
             assertEquals(Integer.valueOf(index), card.headerColor);
             assertEquals(Integer.valueOf(index*2), card.headerTextColor);
+            assertEquals(0, card.starStatus);
+
+            index++;
+        }
+        cursor.close();
+    }
+
+    /**
+     * Check that all of the cards follow the pattern
+     * specified in addLoyaltyCardsSomeStarred(), and are in sequential order
+     * with starred ones first
+     */
+    private void checkLoyaltyCardsFiveStarred()
+        {
+            Cursor cursor = db.getLoyaltyCardCursor();
+            int index = 5;
+
+            while(index<10)
+        {
+            cursor.moveToNext();
+            LoyaltyCard card = LoyaltyCard.toLoyaltyCard(cursor);
+
+            String expectedStore = String.format("store, \"%4d", index);
+            String expectedNote = String.format("note, \"%4d", index);
+
+            assertEquals(expectedStore, card.store);
+            assertEquals(expectedNote, card.note);
+            assertEquals(BARCODE_DATA, card.cardId);
+            assertEquals(BARCODE_TYPE, card.barcodeType);
+            assertEquals(Integer.valueOf(index), card.headerColor);
+            assertEquals(Integer.valueOf(index*2), card.headerTextColor);
+            assertEquals(1, card.starStatus);
+
+            index++;
+        }
+
+        index = 1;
+        while(cursor.moveToNext() && index<5)
+    {
+        LoyaltyCard card = LoyaltyCard.toLoyaltyCard(cursor);
+
+        String expectedStore = String.format("store, \"%4d", index);
+        String expectedNote = String.format("note, \"%4d", index);
+
+        assertEquals(expectedStore, card.store);
+        assertEquals(expectedNote, card.note);
+        assertEquals(BARCODE_DATA, card.cardId);
+        assertEquals(BARCODE_TYPE, card.barcodeType);
+        assertEquals(Integer.valueOf(index), card.headerColor);
+        assertEquals(Integer.valueOf(index*2), card.headerTextColor);
+        assertEquals(0, card.starStatus);
+
+        index++;
+    }
+
+        cursor.close();
+    }
+
+    /**
+     * Check that all of the groups follow the pattern
+     * specified in addGroups(), and are in sequential order
+     * where the smallest group's index is 1
+     */
+    private void checkGroups()
+    {
+        Cursor cursor = db.getGroupCursor();
+        int index = 1;
+
+        while(cursor.moveToNext())
+        {
+            Group group = Group.toGroup(cursor);
+
+            String expectedGroupName = String.format("group, \"%4d", index);
+
+            assertEquals(expectedGroupName, group._id);
 
             index++;
         }
@@ -155,6 +267,131 @@ public class ImportExportTest
         }
     }
 
+    @Test
+    public void multipleCardsExportImportSomeStarred() throws IOException
+    {
+        final int NUM_CARDS = 9;
+
+        for(DataFormat format : DataFormat.values())
+        {
+            addLoyaltyCardsFiveStarred();
+
+            ByteArrayOutputStream outData = new ByteArrayOutputStream();
+            OutputStreamWriter outStream = new OutputStreamWriter(outData);
+
+            // Export data to CSV format
+            boolean result = MultiFormatExporter.exportData(db, outStream, format);
+            assertTrue(result);
+            outStream.close();
+
+            clearDatabase();
+
+            ByteArrayInputStream inData = new ByteArrayInputStream(outData.toByteArray());
+            InputStreamReader inStream = new InputStreamReader(inData);
+
+            // Import the CSV data
+            result = MultiFormatImporter.importData(db, inStream, DataFormat.CSV);
+            assertTrue(result);
+
+            assertEquals(NUM_CARDS, db.getLoyaltyCardCount());
+
+            checkLoyaltyCardsFiveStarred();
+
+            // Clear the database for the next format under test
+            clearDatabase();
+        }
+    }
+
+    private List<String> groupsToGroupNames(List<Group> groups)
+    {
+        List<String> groupNames = new ArrayList<>();
+
+        for (Group group : groups) {
+            groupNames.add(group._id);
+        }
+
+        return groupNames;
+    }
+
+    @Test
+    public void multipleCardsExportImportWithGroups() throws IOException
+    {
+        final int NUM_CARDS = 10;
+        final int NUM_GROUPS = 3;
+
+        for(DataFormat format : DataFormat.values())
+        {
+            addLoyaltyCards(NUM_CARDS);
+            addGroups(NUM_GROUPS);
+
+            List<Group> emptyGroup = new ArrayList<>();
+
+            List<Group> groupsForOne = new ArrayList<>();
+            groupsForOne.add(db.getGroup("group, \"   1"));
+
+            List<Group> groupsForTwo = new ArrayList<>();
+            groupsForTwo.add(db.getGroup("group, \"   1"));
+            groupsForTwo.add(db.getGroup("group, \"   2"));
+
+            List<Group> groupsForThree = new ArrayList<>();
+            groupsForThree.add(db.getGroup("group, \"   1"));
+            groupsForThree.add(db.getGroup("group, \"   2"));
+            groupsForThree.add(db.getGroup("group, \"   3"));
+
+            List<Group> groupsForFour = new ArrayList<>();
+            groupsForFour.add(db.getGroup("group, \"   1"));
+            groupsForFour.add(db.getGroup("group, \"   2"));
+            groupsForFour.add(db.getGroup("group, \"   3"));
+
+            List<Group> groupsForFive = new ArrayList<>();
+            groupsForFive.add(db.getGroup("group, \"   1"));
+            groupsForFive.add(db.getGroup("group, \"   3"));
+
+            db.setLoyaltyCardGroups(1, groupsForOne);
+            db.setLoyaltyCardGroups(2, groupsForTwo);
+            db.setLoyaltyCardGroups(3, groupsForThree);
+            db.setLoyaltyCardGroups(4, groupsForFour);
+            db.setLoyaltyCardGroups(5, groupsForFive);
+
+            ByteArrayOutputStream outData = new ByteArrayOutputStream();
+            OutputStreamWriter outStream = new OutputStreamWriter(outData);
+
+            // Export data to CSV format
+            boolean result = MultiFormatExporter.exportData(db, outStream, format);
+            assertTrue(result);
+            outStream.close();
+
+            clearDatabase();
+
+            ByteArrayInputStream inData = new ByteArrayInputStream(outData.toByteArray());
+            InputStreamReader inStream = new InputStreamReader(inData);
+
+            // Import the CSV data
+            result = MultiFormatImporter.importData(db, inStream, DataFormat.CSV);
+            assertTrue(result);
+
+            assertEquals(NUM_CARDS, db.getLoyaltyCardCount());
+            assertEquals(NUM_GROUPS, db.getGroupCount());
+
+            checkLoyaltyCards();
+            checkGroups();
+
+            assertEquals(groupsToGroupNames(groupsForOne), groupsToGroupNames(db.getLoyaltyCardGroups(1)));
+            assertEquals(groupsToGroupNames(groupsForTwo), groupsToGroupNames(db.getLoyaltyCardGroups(2)));
+            assertEquals(groupsToGroupNames(groupsForThree), groupsToGroupNames(db.getLoyaltyCardGroups(3)));
+            assertEquals(groupsToGroupNames(groupsForFour), groupsToGroupNames(db.getLoyaltyCardGroups(4)));
+            assertEquals(groupsToGroupNames(groupsForFive), groupsToGroupNames(db.getLoyaltyCardGroups(5)));
+            assertEquals(emptyGroup, db.getLoyaltyCardGroups(6));
+            assertEquals(emptyGroup, db.getLoyaltyCardGroups(7));
+            assertEquals(emptyGroup, db.getLoyaltyCardGroups(8));
+            assertEquals(emptyGroup, db.getLoyaltyCardGroups(9));
+            assertEquals(emptyGroup, db.getLoyaltyCardGroups(10));
+
+            // Clear the database for the next format under test
+            clearDatabase();
+        }
+    }
+
     @Test
     public void importExistingCardsNotReplace() throws IOException
     {
@@ -287,15 +524,17 @@ public class ImportExportTest
     }
 
     @Test
-    public void importWithoutColors() throws IOException
+    public void importWithoutColorsV1() throws IOException
     {
         String csvText = "";
         csvText += DBHelper.LoyaltyCardDbIds.ID + "," +
-                       DBHelper.LoyaltyCardDbIds.STORE + "," +
-                       DBHelper.LoyaltyCardDbIds.NOTE + "," +
-                       DBHelper.LoyaltyCardDbIds.CARD_ID + "," +
-                       DBHelper.LoyaltyCardDbIds.BARCODE_TYPE + "\n";
-        csvText += "1,store,note,12345,type";
+                DBHelper.LoyaltyCardDbIds.STORE + "," +
+                DBHelper.LoyaltyCardDbIds.NOTE + "," +
+                DBHelper.LoyaltyCardDbIds.CARD_ID + "," +
+                DBHelper.LoyaltyCardDbIds.BARCODE_TYPE + "," +
+                DBHelper.LoyaltyCardDbIds.STAR_STATUS + "\n";
+
+        csvText += "1,store,note,12345,type,0";
 
         ByteArrayInputStream inputStream = new ByteArrayInputStream(csvText.getBytes(StandardCharsets.UTF_8));
         InputStreamReader inStream = new InputStreamReader(inputStream);
@@ -311,12 +550,13 @@ public class ImportExportTest
         assertEquals("note", card.note);
         assertEquals("12345", card.cardId);
         assertEquals("type", card.barcodeType);
+        assertEquals(0, card.starStatus);
         assertNull(card.headerColor);
         assertNull(card.headerTextColor);
     }
 
     @Test
-    public void importWithoutNullColors() throws IOException
+    public void importWithoutNullColorsV1() throws IOException
     {
         String csvText = "";
         csvText += DBHelper.LoyaltyCardDbIds.ID + "," +
@@ -325,8 +565,10 @@ public class ImportExportTest
                 DBHelper.LoyaltyCardDbIds.CARD_ID + "," +
                 DBHelper.LoyaltyCardDbIds.BARCODE_TYPE + "," +
                 DBHelper.LoyaltyCardDbIds.HEADER_COLOR + "," +
-                DBHelper.LoyaltyCardDbIds.HEADER_TEXT_COLOR + "\n";
-        csvText += "1,store,note,12345,type,,";
+                DBHelper.LoyaltyCardDbIds.HEADER_TEXT_COLOR + "," +
+                DBHelper.LoyaltyCardDbIds.STAR_STATUS + "\n";
+
+        csvText += "1,store,note,12345,type,,,0";
 
         ByteArrayInputStream inputStream = new ByteArrayInputStream(csvText.getBytes(StandardCharsets.UTF_8));
         InputStreamReader inStream = new InputStreamReader(inputStream);
@@ -342,12 +584,13 @@ public class ImportExportTest
         assertEquals("note", card.note);
         assertEquals("12345", card.cardId);
         assertEquals("type", card.barcodeType);
+        assertEquals(0, card.starStatus);
         assertNull(card.headerColor);
         assertNull(card.headerTextColor);
     }
 
     @Test
-    public void importWithoutInvalidColors() throws IOException
+    public void importWithoutInvalidColorsV1() throws IOException
     {
         String csvText = "";
         csvText += DBHelper.LoyaltyCardDbIds.ID + "," +
@@ -356,8 +599,10 @@ public class ImportExportTest
                 DBHelper.LoyaltyCardDbIds.CARD_ID + "," +
                 DBHelper.LoyaltyCardDbIds.BARCODE_TYPE + "," +
                 DBHelper.LoyaltyCardDbIds.HEADER_COLOR + "," +
-                DBHelper.LoyaltyCardDbIds.HEADER_TEXT_COLOR + "\n";
-        csvText += "1,store,note,12345,type,not a number,invalid";
+                DBHelper.LoyaltyCardDbIds.HEADER_TEXT_COLOR + "," +
+                DBHelper.LoyaltyCardDbIds.STAR_STATUS + "\n";
+
+        csvText += "1,store,note,12345,type,not a number,invalid,0";
 
         ByteArrayInputStream inputStream = new ByteArrayInputStream(csvText.getBytes(StandardCharsets.UTF_8));
         InputStreamReader inStream = new InputStreamReader(inputStream);
@@ -369,7 +614,7 @@ public class ImportExportTest
     }
 
     @Test
-    public void importWithNoBarcodeType() throws IOException
+    public void importWithNoBarcodeTypeV1() throws IOException
     {
         String csvText = "";
         csvText += DBHelper.LoyaltyCardDbIds.ID + "," +
@@ -378,8 +623,10 @@ public class ImportExportTest
                 DBHelper.LoyaltyCardDbIds.CARD_ID + "," +
                 DBHelper.LoyaltyCardDbIds.BARCODE_TYPE + "," +
                 DBHelper.LoyaltyCardDbIds.HEADER_COLOR + "," +
-                DBHelper.LoyaltyCardDbIds.HEADER_TEXT_COLOR + "\n";
-        csvText += "1,store,note,12345,,1,1";
+                DBHelper.LoyaltyCardDbIds.HEADER_TEXT_COLOR + "," +
+                DBHelper.LoyaltyCardDbIds.STAR_STATUS + "\n";
+
+        csvText += "1,store,note,12345,,1,1,0";
 
         ByteArrayInputStream inputStream = new ByteArrayInputStream(csvText.getBytes(StandardCharsets.UTF_8));
         InputStreamReader inStream = new InputStreamReader(inputStream);
@@ -395,7 +642,132 @@ public class ImportExportTest
         assertEquals("note", card.note);
         assertEquals("12345", card.cardId);
         assertEquals("", card.barcodeType);
+        assertEquals(0, card.starStatus);
         assertEquals(1, (long) card.headerColor);
         assertEquals(1, (long) card.headerTextColor);
     }
+
+    @Test
+    public void importWithStarredFieldV1() throws IOException
+    {
+        String csvText = "";
+        csvText += DBHelper.LoyaltyCardDbIds.ID + "," +
+                DBHelper.LoyaltyCardDbIds.STORE + "," +
+                DBHelper.LoyaltyCardDbIds.NOTE + "," +
+                DBHelper.LoyaltyCardDbIds.CARD_ID + "," +
+                DBHelper.LoyaltyCardDbIds.BARCODE_TYPE + "," +
+                DBHelper.LoyaltyCardDbIds.HEADER_COLOR + "," +
+                DBHelper.LoyaltyCardDbIds.HEADER_TEXT_COLOR + "," +
+                DBHelper.LoyaltyCardDbIds.STAR_STATUS + "\n";
+
+        csvText += "1,store,note,12345,type,1,1,1";
+
+        ByteArrayInputStream inputStream = new ByteArrayInputStream(csvText.getBytes(StandardCharsets.UTF_8));
+        InputStreamReader inStream = new InputStreamReader(inputStream);
+
+        // Import the CSV data
+        boolean result = MultiFormatImporter.importData(db, inStream, DataFormat.CSV);
+        assertEquals(true, result);
+        assertEquals(1, db.getLoyaltyCardCount());
+
+        LoyaltyCard card = db.getLoyaltyCard(1);
+
+        assertEquals("store", card.store);
+        assertEquals("note", card.note);
+        assertEquals("12345", card.cardId);
+        assertEquals("type", card.barcodeType);
+        assertEquals(1, card.starStatus);
+        assertEquals(1, (long) card.headerColor);
+        assertEquals(1, (long) card.headerTextColor);
+    }
+
+
+
+    @Test
+    public void importWithNoStarredFieldV1() throws IOException
+    {
+        String csvText = "";
+        csvText += DBHelper.LoyaltyCardDbIds.ID + "," +
+                DBHelper.LoyaltyCardDbIds.STORE + "," +
+                DBHelper.LoyaltyCardDbIds.NOTE + "," +
+                DBHelper.LoyaltyCardDbIds.CARD_ID + "," +
+                DBHelper.LoyaltyCardDbIds.BARCODE_TYPE + "," +
+                DBHelper.LoyaltyCardDbIds.HEADER_COLOR + "," +
+                DBHelper.LoyaltyCardDbIds.HEADER_TEXT_COLOR + "," +
+                DBHelper.LoyaltyCardDbIds.STAR_STATUS + "\n";
+
+        csvText += "1,store,note,12345,type,1,1,";
+
+        ByteArrayInputStream inputStream = new ByteArrayInputStream(csvText.getBytes(StandardCharsets.UTF_8));
+        InputStreamReader inStream = new InputStreamReader(inputStream);
+
+        // Import the CSV data
+        boolean result = MultiFormatImporter.importData(db, inStream, DataFormat.CSV);
+        assertEquals(true, result);
+        assertEquals(1, db.getLoyaltyCardCount());
+
+        LoyaltyCard card = db.getLoyaltyCard(1);
+
+        assertEquals("store", card.store);
+        assertEquals("note", card.note);
+        assertEquals("12345", card.cardId);
+        assertEquals("type", card.barcodeType);
+        assertEquals(0, card.starStatus);
+        assertEquals(1, (long) card.headerColor);
+        assertEquals(1, (long) card.headerTextColor);
+    }
+
+    @Test
+    public void importWithInvalidStarFieldV1() throws IOException
+    {
+        String csvText = "";
+        csvText += DBHelper.LoyaltyCardDbIds.ID + "," +
+                DBHelper.LoyaltyCardDbIds.STORE + "," +
+                DBHelper.LoyaltyCardDbIds.NOTE + "," +
+                DBHelper.LoyaltyCardDbIds.CARD_ID + "," +
+                DBHelper.LoyaltyCardDbIds.BARCODE_TYPE + "," +
+                DBHelper.LoyaltyCardDbIds.HEADER_COLOR + "," +
+                DBHelper.LoyaltyCardDbIds.HEADER_TEXT_COLOR + "," +
+                DBHelper.LoyaltyCardDbIds.STAR_STATUS + "\n";
+
+        csvText += "1,store,note,12345,type,1,1,2";
+
+        ByteArrayInputStream inputStream = new ByteArrayInputStream(csvText.getBytes(StandardCharsets.UTF_8));
+        InputStreamReader inStream = new InputStreamReader(inputStream);
+
+        // Import the CSV data
+        boolean result = MultiFormatImporter.importData(db, inStream, DataFormat.CSV);
+        assertTrue(result);
+        assertEquals(1, db.getLoyaltyCardCount());
+
+        csvText = "";
+        csvText += DBHelper.LoyaltyCardDbIds.ID + "," +
+                DBHelper.LoyaltyCardDbIds.STORE + "," +
+                DBHelper.LoyaltyCardDbIds.NOTE + "," +
+                DBHelper.LoyaltyCardDbIds.CARD_ID + "," +
+                DBHelper.LoyaltyCardDbIds.BARCODE_TYPE + "," +
+                DBHelper.LoyaltyCardDbIds.HEADER_COLOR + "," +
+                DBHelper.LoyaltyCardDbIds.HEADER_TEXT_COLOR + "," +
+                DBHelper.LoyaltyCardDbIds.STAR_STATUS + "\n";
+
+        csvText += "1,store,note,12345,type,1,1,text";
+
+        inputStream = new ByteArrayInputStream(csvText.getBytes(StandardCharsets.UTF_8));
+        inStream = new InputStreamReader(inputStream);
+
+        // Import the CSV data
+        result = MultiFormatImporter.importData(db, inStream, DataFormat.CSV);
+        assertTrue(result);
+        assertEquals(1, db.getLoyaltyCardCount());
+
+        LoyaltyCard card = db.getLoyaltyCard(1);
+
+        assertEquals("store", card.store);
+        assertEquals("note", card.note);
+        assertEquals("12345", card.cardId);
+        assertEquals("type", card.barcodeType);
+        assertEquals(0, card.starStatus);
+        assertEquals(1, (long) card.headerColor);
+        assertEquals(1, (long) card.headerTextColor);
+        }
 }

app/src/test/java/protect/card_locker/ImportURITest.java

@@ -11,6 +11,7 @@ import org.robolectric.Robolectric;
 import org.robolectric.RobolectricTestRunner;
 import org.robolectric.annotation.Config;
 import java.io.InvalidObjectException;
+
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
@@ -34,7 +35,7 @@ public class ImportURITest {
     public void ensureNoDataLoss() throws InvalidObjectException
     {
         // Generate card
-        db.insertLoyaltyCard("store", "note", BarcodeFormat.UPC_A.toString(), LoyaltyCardDbIds.BARCODE_TYPE, Color.BLACK, Color.WHITE);
+        db.insertLoyaltyCard("store", "note", BarcodeFormat.UPC_A.toString(), LoyaltyCardDbIds.BARCODE_TYPE, Color.BLACK, Color.WHITE, 1);
 
         // Get card
         LoyaltyCard card = db.getLoyaltyCard(1);
@@ -52,13 +53,15 @@ public class ImportURITest {
         assertEquals(card.headerTextColor, parsedCard.headerTextColor);
         assertEquals(card.note, parsedCard.note);
         assertEquals(card.store, parsedCard.store);
+        // No export of starStatus for single cards foreseen therefore 0 will be imported
+        assertEquals(0, parsedCard.starStatus);
     }
 
     @Test
     public void ensureNoCrashOnMissingHeaderFields() throws InvalidObjectException
     {
         // Generate card
-        db.insertLoyaltyCard("store", "note", BarcodeFormat.UPC_A.toString(), LoyaltyCardDbIds.BARCODE_TYPE, null, null);
+        db.insertLoyaltyCard("store", "note", BarcodeFormat.UPC_A.toString(), LoyaltyCardDbIds.BARCODE_TYPE, null, null, 0);
 
         // Get card
         LoyaltyCard card = db.getLoyaltyCard(1);
@@ -88,4 +91,36 @@ public class ImportURITest {
             // Desired behaviour
         }
     }
+
+    @Test
+    public void failToParseBadData()
+    {
+        try {
+            //"stare" instead of store
+            importURIHelper.parse(Uri.parse("https://brarcher.github.io/loyalty-card-locker/share?stare=store&note=note&cardid=12345&barcodetype=ITF&headercolor=-416706&headertextcolor=-1"));
+            assertTrue(false); // Shouldn't get here
+        } catch(InvalidObjectException ex) {
+            // Desired behaviour
+        }
+    }
+
+    @Test
+    public void parseAdditionalUnforeseenData()
+    {
+        LoyaltyCard parsedCard = null;
+        try {
+            parsedCard = importURIHelper.parse(Uri.parse("https://brarcher.github.io/loyalty-card-locker/share?store=store&note=note&cardid=12345&barcodetype=ITF&headercolor=-416706&headertextcolor=-1&notforeseen=no"));
+        } catch (InvalidObjectException e) {
+            e.printStackTrace();
+        }
+
+        // Compare everything
+        assertEquals("ITF", parsedCard.barcodeType);
+        assertEquals("12345", parsedCard.cardId);
+        assertEquals("note", parsedCard.note);
+        assertEquals("store", parsedCard.store);
+        assertEquals(Integer.valueOf(-416706), parsedCard.headerColor);
+        assertEquals(Integer.valueOf(-1), parsedCard.headerTextColor);
+        assertEquals(0, parsedCard.starStatus);
+    }
 }

app/src/test/java/protect/card_locker/LoyaltyCardCursorAdapterTest.java

@@ -6,6 +6,7 @@ import android.database.Cursor;
 import android.graphics.Color;
 import android.preference.PreferenceManager;
 import android.view.View;
+import android.widget.ImageView;
 import android.widget.TextView;
 
 import com.google.zxing.BarcodeFormat;
@@ -83,7 +84,7 @@ public class LoyaltyCardCursorAdapterTest
     @Test
     public void TestCursorAdapterEmptyNote()
     {
-        db.insertLoyaltyCard("store", "", "cardId", BarcodeFormat.UPC_A.toString(), Color.BLACK, Color.WHITE);
+        db.insertLoyaltyCard("store", "", "cardId", BarcodeFormat.UPC_A.toString(), Color.BLACK, Color.WHITE, 0);
         LoyaltyCard card = db.getLoyaltyCard(1);
 
         Cursor cursor = db.getLoyaltyCardCursor();
@@ -97,7 +98,7 @@ public class LoyaltyCardCursorAdapterTest
     @Test
     public void TestCursorAdapterWithNote()
     {
-        db.insertLoyaltyCard("store", "note", "cardId", BarcodeFormat.UPC_A.toString(), Color.BLACK, Color.WHITE);
+        db.insertLoyaltyCard("store", "note", "cardId", BarcodeFormat.UPC_A.toString(), Color.BLACK, Color.WHITE, 0);
         LoyaltyCard card = db.getLoyaltyCard(1);
 
         Cursor cursor = db.getLoyaltyCardCursor();
@@ -111,7 +112,7 @@ public class LoyaltyCardCursorAdapterTest
     @Test
     public void TestCursorAdapterFontSizes()
     {
-        db.insertLoyaltyCard("store", "note", "cardId", BarcodeFormat.UPC_A.toString(), Color.BLACK, Color.WHITE);
+        db.insertLoyaltyCard("store", "note", "cardId", BarcodeFormat.UPC_A.toString(), Color.BLACK, Color.WHITE, 0);
         LoyaltyCard card = db.getLoyaltyCard(1);
 
         Cursor cursor = db.getLoyaltyCardCursor();
@@ -125,4 +126,29 @@ public class LoyaltyCardCursorAdapterTest
         view = createView(cursor);
         checkView(view, card.store, card.note, true);
     }
+
+    @Test
+    public void TestCursorAdapterStarring()
+    {
+        db.insertLoyaltyCard("storeA", "note", "cardId", BarcodeFormat.UPC_A.toString(), Color.BLACK, Color.WHITE, 0);
+        db.insertLoyaltyCard("storeB", "note", "cardId", BarcodeFormat.UPC_A.toString(), Color.BLACK, Color.WHITE, 1);
+        db.insertLoyaltyCard("storeC", "note", "cardId", BarcodeFormat.UPC_A.toString(), Color.BLACK, Color.WHITE, 1);
+
+
+        Cursor cursor = db.getLoyaltyCardCursor();
+        cursor.moveToFirst();
+        View view = createView(cursor);
+        ImageView star = view.findViewById(R.id.star);
+        assertEquals(View.VISIBLE, star.getVisibility());
+
+        cursor.moveToNext();
+        view = createView(cursor);
+        star = view.findViewById(R.id.star);
+        assertEquals(View.VISIBLE, star.getVisibility());
+
+        cursor.moveToNext();
+        view = createView(cursor);
+        star = view.findViewById(R.id.star);
+        assertEquals(View.GONE, star.getVisibility());
+    }
 }

app/src/test/java/protect/card_locker/LoyaltyCardViewActivityTest.java

@@ -400,7 +400,7 @@ public class LoyaltyCardViewActivityTest
         Activity activity = (Activity)activityController.get();
         DBHelper db = new DBHelper(activity);
 
-        db.insertLoyaltyCard("store", "note", BARCODE_DATA, BARCODE_TYPE, Color.BLACK, Color.WHITE);
+        db.insertLoyaltyCard("store", "note", BARCODE_DATA, BARCODE_TYPE, Color.BLACK, Color.WHITE, 0);
 
         activityController.start();
         activityController.visible();
@@ -416,7 +416,7 @@ public class LoyaltyCardViewActivityTest
         Activity activity = (Activity)activityController.get();
         DBHelper db = new DBHelper(activity);
 
-        db.insertLoyaltyCard("store", "note", BARCODE_DATA, BARCODE_TYPE, Color.BLACK, Color.WHITE);
+        db.insertLoyaltyCard("store", "note", BARCODE_DATA, BARCODE_TYPE, Color.BLACK, Color.WHITE, 0);
 
         activityController.start();
         activityController.visible();
@@ -432,7 +432,7 @@ public class LoyaltyCardViewActivityTest
         Activity activity = (Activity)activityController.get();
         DBHelper db = new DBHelper(activity);
 
-        db.insertLoyaltyCard("store", "note", EAN_BARCODE_DATA, EAN_BARCODE_TYPE, Color.BLACK, Color.WHITE);
+        db.insertLoyaltyCard("store", "note", EAN_BARCODE_DATA, EAN_BARCODE_TYPE, Color.BLACK, Color.WHITE, 0);
 
         activityController.start();
         activityController.visible();
@@ -453,7 +453,7 @@ public class LoyaltyCardViewActivityTest
         Activity activity = (Activity)activityController.get();
         DBHelper db = new DBHelper(activity);
 
-        db.insertLoyaltyCard("store", "note", EAN_BARCODE_DATA, EAN_BARCODE_TYPE, Color.BLACK, Color.WHITE);
+        db.insertLoyaltyCard("store", "note", EAN_BARCODE_DATA, EAN_BARCODE_TYPE, Color.BLACK, Color.WHITE, 0);
 
         activityController.start();
         activityController.visible();
@@ -479,7 +479,7 @@ public class LoyaltyCardViewActivityTest
         Activity activity = (Activity)activityController.get();
         DBHelper db = new DBHelper(activity);
 
-        db.insertLoyaltyCard("store", "note", BARCODE_DATA, BARCODE_TYPE, Color.BLACK, Color.WHITE);
+        db.insertLoyaltyCard("store", "note", BARCODE_DATA, BARCODE_TYPE, Color.BLACK, Color.WHITE, 0);
 
         activityController.start();
         activityController.visible();
@@ -488,11 +488,12 @@ public class LoyaltyCardViewActivityTest
         final Menu menu = shadowOf(activity).getOptionsMenu();
         assertTrue(menu != null);
 
-        // The share and settings button should be present
-        assertEquals(menu.size(), 2);
+        // The share, settings, add and star button should be present
+        assertEquals(menu.size(), 3);
 
         assertEquals("Block Rotation", menu.findItem(R.id.action_lock_unlock).getTitle().toString());
         assertEquals("Share", menu.findItem(R.id.action_share).getTitle().toString());
+        assertEquals("Add to favorites", menu.findItem(R.id.action_star_unstar).getTitle().toString());
     }
 
     @Test
@@ -522,7 +523,7 @@ public class LoyaltyCardViewActivityTest
 
         Activity activity = (Activity)activityController.get();
         DBHelper db = new DBHelper(activity);
-        db.insertLoyaltyCard("store", "note", BARCODE_DATA, BARCODE_TYPE, Color.BLACK, Color.WHITE);
+        db.insertLoyaltyCard("store", "note", BARCODE_DATA, BARCODE_TYPE, Color.BLACK, Color.WHITE, 0);
 
         activityController.start();
         activityController.visible();
@@ -540,7 +541,7 @@ public class LoyaltyCardViewActivityTest
 
         Activity activity = (Activity)activityController.get();
         DBHelper db = new DBHelper(activity);
-        db.insertLoyaltyCard("store", "note", BARCODE_DATA, BARCODE_TYPE, null, null);
+        db.insertLoyaltyCard("store", "note", BARCODE_DATA, BARCODE_TYPE, null, null, 0);
 
         activityController.start();
         activityController.visible();
@@ -558,7 +559,7 @@ public class LoyaltyCardViewActivityTest
 
         Activity activity = (Activity)activityController.get();
         DBHelper db = new DBHelper(activity);
-        db.insertLoyaltyCard("store", "note", BARCODE_DATA, BARCODE_TYPE, null, null);
+        db.insertLoyaltyCard("store", "note", BARCODE_DATA, BARCODE_TYPE, null, null, 0);
 
         activityController.start();
         activityController.visible();
@@ -575,7 +576,7 @@ public class LoyaltyCardViewActivityTest
 
         Activity activity = (Activity)activityController.get();
         DBHelper db = new DBHelper(activity);
-        db.insertLoyaltyCard("store", "note", BARCODE_DATA, "", Color.BLACK, Color.WHITE);
+        db.insertLoyaltyCard("store", "note", BARCODE_DATA, "", Color.BLACK, Color.WHITE, 0);
 
         activityController.start();
         activityController.visible();
@@ -592,7 +593,7 @@ public class LoyaltyCardViewActivityTest
         Activity activity = (Activity)activityController.get();
         DBHelper db = new DBHelper(activity);
 
-        db.insertLoyaltyCard("store", "note", BARCODE_DATA, BARCODE_TYPE, Color.BLACK, Color.WHITE);
+        db.insertLoyaltyCard("store", "note", BARCODE_DATA, BARCODE_TYPE, Color.BLACK, Color.WHITE, 0);
 
         activityController.start();
         activityController.visible();
@@ -619,7 +620,7 @@ public class LoyaltyCardViewActivityTest
 
         Activity activity = (Activity)activityController.get();
         DBHelper db = new DBHelper(activity);
-        db.insertLoyaltyCard("store", "note", BARCODE_DATA, BARCODE_TYPE, Color.BLACK, Color.WHITE);
+        db.insertLoyaltyCard("store", "note", BARCODE_DATA, BARCODE_TYPE, Color.BLACK, Color.WHITE, 0);
 
         final int STORE_FONT_SIZE = 50;
         final int CARD_FONT_SIZE = 40;
@@ -661,7 +662,7 @@ public class LoyaltyCardViewActivityTest
 
             Activity activity = (Activity)activityController.get();
             DBHelper db = new DBHelper(activity);
-            db.insertLoyaltyCard("store", "note", BARCODE_DATA, BARCODE_TYPE, Color.BLACK, Color.WHITE);
+            db.insertLoyaltyCard("store", "note", BARCODE_DATA, BARCODE_TYPE, Color.BLACK, Color.WHITE, 0);
 
             SharedPreferences settings = PreferenceManager.getDefaultSharedPreferences(activity);
             settings.edit()
@@ -689,6 +690,35 @@ public class LoyaltyCardViewActivityTest
         }
     }
 
+    @Test
+    public void checkPushStarIcon()
+    {
+        ActivityController activityController = createActivityWithLoyaltyCard(false);
+
+        Activity activity = (Activity) activityController.get();
+        DBHelper db = new DBHelper(activity);
+        db.insertLoyaltyCard("store", "note", BARCODE_DATA, BARCODE_TYPE, Color.BLACK, Color.WHITE,0);
+        activityController.start();
+        activityController.visible();
+        activityController.resume();
+
+        assertEquals(false, activity.isFinishing());
+
+        final Menu menu = shadowOf(activity).getOptionsMenu();
+        assertTrue(menu != null);
+
+        // The share, settings and star button should be present
+        assertEquals(menu.size(), 3);
+
+        assertEquals("Add to favorites", menu.findItem(R.id.action_star_unstar).getTitle().toString());
+
+        shadowOf(activity).clickMenuItem(R.id.action_star_unstar);
+        assertEquals("Remove from favorites", menu.findItem(R.id.action_star_unstar).getTitle().toString());
+
+        shadowOf(activity).clickMenuItem(R.id.action_star_unstar);
+        assertEquals("Add to favorites", menu.findItem(R.id.action_star_unstar).getTitle().toString());
+    }
+
     @Test
     public void checkBarcodeFullscreenWorkflow()
     {
@@ -696,7 +726,7 @@ public class LoyaltyCardViewActivityTest
 
         Activity activity = (Activity)activityController.get();
         DBHelper db = new DBHelper(activity);
-        db.insertLoyaltyCard("store", "note", BARCODE_DATA, BARCODE_TYPE, Color.BLACK, Color.WHITE);
+        db.insertLoyaltyCard("store", "note", BARCODE_DATA, BARCODE_TYPE, Color.BLACK, Color.WHITE, 0);
 
         activityController.start();
         activityController.visible();

app/src/test/java/protect/card_locker/MainActivityTest.java

@@ -2,29 +2,28 @@ package protect.card_locker;
 
 import android.app.Activity;
 import android.content.ComponentName;
-import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.database.Cursor;
 import android.graphics.Color;
-import android.os.Bundle;
-import androidx.appcompat.widget.SearchView;
 import android.view.Menu;
 import android.view.View;
 import android.widget.ListView;
 import android.widget.TextView;
 
+import com.google.android.material.tabs.TabLayout;
 import com.google.zxing.BarcodeFormat;
 
-import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.robolectric.Robolectric;
 import org.robolectric.RobolectricTestRunner;
-import org.robolectric.RuntimeEnvironment;
 import org.robolectric.annotation.Config;
 import org.robolectric.android.controller.ActivityController;
 
+import java.util.ArrayList;
+import java.util.List;
+
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
@@ -61,9 +60,10 @@ public class MainActivityTest
         final Menu menu = shadowOf(activity).getOptionsMenu();
         assertTrue(menu != null);
 
-        // The settings, search and add button should be present
-        assertEquals(menu.size(), 4);
+        // The settings, import/export, groups, search and add button should be present
+        assertEquals(menu.size(), 5);
         assertEquals("Search", menu.findItem(R.id.action_search).getTitle().toString());
+        assertEquals("Groups", menu.findItem(R.id.action_manage_groups).getTitle().toString());
         assertEquals("Import/Export", menu.findItem(R.id.action_import_export).getTitle().toString());
         assertEquals("About", menu.findItem(R.id.action_about).getTitle().toString());
         assertEquals("Settings", menu.findItem(R.id.action_settings).getTitle().toString());
@@ -98,7 +98,7 @@ public class MainActivityTest
         assertEquals(0, list.getCount());
 
         DBHelper db = new DBHelper(mainActivity);
-        db.insertLoyaltyCard("store", "note", "cardId", BarcodeFormat.UPC_A.toString(), Color.BLACK, Color.WHITE);
+        db.insertLoyaltyCard("store", "note", "cardId", BarcodeFormat.UPC_A.toString(), Color.BLACK, Color.WHITE, 0);
 
         assertEquals(View.VISIBLE, helpText.getVisibility());
         assertEquals(View.GONE, noMatchingCardsText.getVisibility());
@@ -116,6 +116,104 @@ public class MainActivityTest
         assertNotNull(cursor);
     }
 
+    @Test
+    public void addFourLoyaltyCardsTwoStarred()  // Main screen showing starred cards on top correctly
+    {
+        ActivityController activityController = Robolectric.buildActivity(MainActivity.class).create();
+
+        Activity mainActivity = (Activity)activityController.get();
+        activityController.start();
+        activityController.resume();
+
+        TextView helpText = mainActivity.findViewById(R.id.helpText);
+        TextView noMatchingCardsText = mainActivity.findViewById(R.id.noMatchingCardsText);
+        ListView list = mainActivity.findViewById(R.id.list);
+
+        assertEquals(0, list.getCount());
+
+        DBHelper db = new DBHelper(mainActivity);
+        db.insertLoyaltyCard("storeB", "note", "cardId", BarcodeFormat.UPC_A.toString(), Color.BLACK, Color.WHITE, 0);
+        db.insertLoyaltyCard("storeA", "note", "cardId", BarcodeFormat.UPC_A.toString(), Color.BLACK, Color.WHITE, 0);
+        db.insertLoyaltyCard("storeD", "note", "cardId", BarcodeFormat.UPC_A.toString(), Color.BLACK, Color.WHITE, 1);
+        db.insertLoyaltyCard("storeC", "note", "cardId", BarcodeFormat.UPC_A.toString(), Color.BLACK, Color.WHITE, 1);
+
+        assertEquals(View.VISIBLE, helpText.getVisibility());
+        assertEquals(View.GONE, noMatchingCardsText.getVisibility());
+        assertEquals(View.GONE, list.getVisibility());
+
+        activityController.pause();
+        activityController.resume();
+
+        assertEquals(View.GONE, helpText.getVisibility());
+        assertEquals(View.GONE, noMatchingCardsText.getVisibility());
+        assertEquals(View.VISIBLE, list.getVisibility());
+
+        assertEquals(4, list.getAdapter().getCount());
+        Cursor cursor = (Cursor)list.getAdapter().getItem(0);
+        assertNotNull(cursor);
+        assertEquals("storeC",cursor.getString(cursor.getColumnIndex("store")));
+
+        cursor = (Cursor)list.getAdapter().getItem(1);
+        assertNotNull(cursor);
+        assertEquals("storeD",cursor.getString(cursor.getColumnIndex("store")));
+
+        cursor = (Cursor)list.getAdapter().getItem(2);
+        assertNotNull(cursor);
+        assertEquals("storeA",cursor.getString(cursor.getColumnIndex("store")));
+
+        cursor = (Cursor)list.getAdapter().getItem(3);
+        assertNotNull(cursor);
+        assertEquals("storeB",cursor.getString(cursor.getColumnIndex("store")));
+    }
+
+    @Test
+    public void testGroups()
+    {
+        ActivityController activityController = Robolectric.buildActivity(MainActivity.class).create();
+
+        Activity mainActivity = (Activity)activityController.get();
+        activityController.start();
+        activityController.resume();
+
+        DBHelper db = new DBHelper(mainActivity);
+
+        TabLayout groupTabs = mainActivity.findViewById(R.id.groups);
+
+        // No group tabs by default
+        assertEquals(0, groupTabs.getTabCount());
+
+        // Having at least one group should create two tabs: One all and one for each group
+        db.insertGroup("One");
+        activityController.pause();
+        activityController.resume();
+        assertEquals(2, groupTabs.getTabCount());
+        assertEquals("All", groupTabs.getTabAt(0).getText().toString());
+        assertEquals("One", groupTabs.getTabAt(1).getText().toString());
+
+        // Adding another group should have them sorted alphabetically
+        db.insertGroup("Alphabetical two");
+        activityController.pause();
+        activityController.resume();
+        assertEquals(3, groupTabs.getTabCount());
+        assertEquals("All", groupTabs.getTabAt(0).getText().toString());
+        assertEquals("Alphabetical two", groupTabs.getTabAt(1).getText().toString());
+        assertEquals("One", groupTabs.getTabAt(2).getText().toString());
+
+        // Removing a group should also change the list
+        db.deleteGroup("Alphabetical two");
+        activityController.pause();
+        activityController.resume();
+        assertEquals(2, groupTabs.getTabCount());
+        assertEquals("All", groupTabs.getTabAt(0).getText().toString());
+        assertEquals("One", groupTabs.getTabAt(1).getText().toString());
+
+        // Removing the last group should make the tabs disappear
+        db.deleteGroup("One");
+        activityController.pause();
+        activityController.resume();
+        assertEquals(0, groupTabs.getTabCount());
+    }
+
     @Test
     public void testFiltering()
     {
@@ -128,10 +226,16 @@ public class MainActivityTest
         TextView helpText = mainActivity.findViewById(R.id.helpText);
         TextView noMatchingCardsText = mainActivity.findViewById(R.id.noMatchingCardsText);
         ListView list = mainActivity.findViewById(R.id.list);
+        TabLayout groupTabs = mainActivity.findViewById(R.id.groups);
 
         DBHelper db = new DBHelper(mainActivity);
-        db.insertLoyaltyCard("The First Store", "Initial note", "cardId", BarcodeFormat.UPC_A.toString(), Color.BLACK, Color.WHITE);
-        db.insertLoyaltyCard("The Second Store", "Secondary note", "cardId", BarcodeFormat.UPC_A.toString(), Color.BLACK, Color.WHITE);
+        db.insertLoyaltyCard("The First Store", "Initial note", "cardId", BarcodeFormat.UPC_A.toString(), Color.BLACK, Color.WHITE, 0);
+        db.insertLoyaltyCard("The Second Store", "Secondary note", "cardId", BarcodeFormat.UPC_A.toString(), Color.BLACK, Color.WHITE, 0);
+
+        db.insertGroup("Group one");
+        List<Group> groups = new ArrayList<>();
+        groups.add(db.getGroup("Group one"));
+        db.setLoyaltyCardGroups(1, groups);
 
         activityController.pause();
         activityController.resume();
@@ -153,6 +257,27 @@ public class MainActivityTest
 
         assertEquals(2, list.getCount());
 
+        // Switch to Group one
+        groupTabs.selectTab(groupTabs.getTabAt(1));
+
+        activityController.pause();
+        activityController.resume();
+
+        assertEquals(View.GONE, helpText.getVisibility());
+        assertEquals(View.GONE, noMatchingCardsText.getVisibility());
+        assertEquals(View.VISIBLE, list.getVisibility());
+
+        assertEquals(1, list.getCount());
+
+        // Switch back to all groups
+        groupTabs.selectTab(groupTabs.getTabAt(0));
+
+        assertEquals(View.GONE, helpText.getVisibility());
+        assertEquals(View.GONE, noMatchingCardsText.getVisibility());
+        assertEquals(View.VISIBLE, list.getVisibility());
+
+        assertEquals(2, list.getCount());
+
         mainActivity.filter = "first";
 
         activityController.pause();
@@ -164,6 +289,27 @@ public class MainActivityTest
 
         assertEquals(1, list.getCount());
 
+        // Switch to Group one
+        groupTabs.selectTab(groupTabs.getTabAt(1));
+
+        activityController.pause();
+        activityController.resume();
+
+        assertEquals(View.GONE, helpText.getVisibility());
+        assertEquals(View.GONE, noMatchingCardsText.getVisibility());
+        assertEquals(View.VISIBLE, list.getVisibility());
+
+        assertEquals(1, list.getCount());
+
+        // Switch back to all groups
+        groupTabs.selectTab(groupTabs.getTabAt(0));
+
+        assertEquals(View.GONE, helpText.getVisibility());
+        assertEquals(View.GONE, noMatchingCardsText.getVisibility());
+        assertEquals(View.VISIBLE, list.getVisibility());
+
+        assertEquals(1, list.getCount());
+
         mainActivity.filter = "initial";
 
         activityController.pause();
@@ -175,6 +321,27 @@ public class MainActivityTest
 
         assertEquals(1, list.getCount());
 
+        // Switch to Group one
+        groupTabs.selectTab(groupTabs.getTabAt(1));
+
+        activityController.pause();
+        activityController.resume();
+
+        assertEquals(View.GONE, helpText.getVisibility());
+        assertEquals(View.GONE, noMatchingCardsText.getVisibility());
+        assertEquals(View.VISIBLE, list.getVisibility());
+
+        assertEquals(1, list.getCount());
+
+        // Switch back to all groups
+        groupTabs.selectTab(groupTabs.getTabAt(0));
+
+        assertEquals(View.GONE, helpText.getVisibility());
+        assertEquals(View.GONE, noMatchingCardsText.getVisibility());
+        assertEquals(View.VISIBLE, list.getVisibility());
+
+        assertEquals(1, list.getCount());
+
         mainActivity.filter = "second";
 
         activityController.pause();
@@ -186,6 +353,27 @@ public class MainActivityTest
 
         assertEquals(1, list.getCount());
 
+        // Switch to Group one
+        groupTabs.selectTab(groupTabs.getTabAt(1));
+
+        activityController.pause();
+        activityController.resume();
+
+        assertEquals(View.GONE, helpText.getVisibility());
+        assertEquals(View.VISIBLE, noMatchingCardsText.getVisibility());
+        assertEquals(View.VISIBLE, list.getVisibility());
+
+        assertEquals(0, list.getCount());
+
+        // Switch back to all groups
+        groupTabs.selectTab(groupTabs.getTabAt(0));
+
+        assertEquals(View.GONE, helpText.getVisibility());
+        assertEquals(View.GONE, noMatchingCardsText.getVisibility());
+        assertEquals(View.VISIBLE, list.getVisibility());
+
+        assertEquals(1, list.getCount());
+
         mainActivity.filter = "company";
 
         activityController.pause();
@@ -197,6 +385,27 @@ public class MainActivityTest
 
         assertEquals(0, list.getCount());
 
+        // Switch to Group one
+        groupTabs.selectTab(groupTabs.getTabAt(1));
+
+        activityController.pause();
+        activityController.resume();
+
+        assertEquals(View.GONE, helpText.getVisibility());
+        assertEquals(View.VISIBLE, noMatchingCardsText.getVisibility());
+        assertEquals(View.VISIBLE, list.getVisibility());
+
+        assertEquals(0, list.getCount());
+
+        // Switch back to all groups
+        groupTabs.selectTab(groupTabs.getTabAt(0));
+
+        assertEquals(View.GONE, helpText.getVisibility());
+        assertEquals(View.VISIBLE, noMatchingCardsText.getVisibility());
+        assertEquals(View.VISIBLE, list.getVisibility());
+
+        assertEquals(0, list.getCount());
+
         mainActivity.filter = "";
 
         activityController.pause();
@@ -207,5 +416,26 @@ public class MainActivityTest
         assertEquals(View.VISIBLE, list.getVisibility());
 
         assertEquals(2, list.getCount());
+
+        // Switch to Group one
+        groupTabs.selectTab(groupTabs.getTabAt(1));
+
+        activityController.pause();
+        activityController.resume();
+
+        assertEquals(View.GONE, helpText.getVisibility());
+        assertEquals(View.GONE, noMatchingCardsText.getVisibility());
+        assertEquals(View.VISIBLE, list.getVisibility());
+
+        assertEquals(1, list.getCount());
+
+        // Switch back to all groups
+        groupTabs.selectTab(groupTabs.getTabAt(0));
+
+        assertEquals(View.GONE, helpText.getVisibility());
+        assertEquals(View.GONE, noMatchingCardsText.getVisibility());
+        assertEquals(View.VISIBLE, list.getVisibility());
+
+        assertEquals(2, list.getCount());
     }
 }

docs/README.md

@@ -1,11 +1,16 @@
 # Catima
 ![Android CI](https://github.com/TheLastProject/Catima/workflows/Android%20CI/badge.svg)
+[![Translation status](https://hosted.weblate.org/widgets/catima/-/svg-badge.svg)](https://hosted.weblate.org/engage/catima/)
 
 <a href="https://f-droid.org/repository/browse/?fdid=me.hackerchick.catima" target="_blank">
 <img src="https://fdroid.gitlab.io/artwork/badge/get-it-on.png" alt="Get it on F-Droid" height="90"/></a>
 <a href="https://play.google.com/store/apps/details?id=me.hackerchick.catima" target="_blank">
 <img src="https://play.google.com/intl/en_us/badges/images/generic/en-play-badge.png" alt="Get it on Google Play" height="90"/></a>
 
+![Logo](https://github.com/TheLastProject/Catima/raw/master/app/src/main/ic_launcher-playstore.png)
+
+*Logo by [Rose (TangentFoxy)](http://github.com/TangentFoxy)*
+
 Stores all of your store loyalty cards on your phone, removing the need to carry them around.  Currently the following barcode types are supported:
 
 - AZTEC
@@ -22,16 +27,14 @@ Stores all of your store loyalty cards on your phone, removing the need to carry
 
 # Screenshots
 
-[<img src="https://github.com/TheLastProject/Catima/raw/master/metadata/en-US/images/phoneScreenshots/screenshot-01.png" width=250>](https://github.com/TheLastProject/Catima/raw/master/metadata/en-US/images/phoneScreenshots/screenshot-01.png)
-[<img src="https://github.com/TheLastProject/Catima/raw/master/metadata/en-US/images/phoneScreenshots/screenshot-02.png" width=250>](https://github.com/TheLastProject/Catima/raw/master/metadata/en-US/images/phoneScreenshots/screenshot-02.png)
-[<img src="https://github.com/TheLastProject/Catima/raw/master/metadata/en-US/images/phoneScreenshots/screenshot-03.png" width=250>](https://github.com/TheLastProject/Catima/raw/master/metadata/en-US/images/phoneScreenshots/screenshot-03.png)
-[<img src="https://github.com/TheLastProject/Catima/raw/master/metadata/en-US/images/phoneScreenshots/screenshot-04.png" width=250>](https://github.com/TheLastProject/Catima/raw/master/metadata/en-US/images/phoneScreenshots/screenshot-04.png)
-[<img src="https://github.com/TheLastProject/Catima/raw/master/metadata/en-US/images/phoneScreenshots/screenshot-05.png" width=250>](https://github.com/TheLastProject/Catima/raw/master/metadata/en-US/images/phoneScreenshots/screenshot-05.png)
-[<img src="https://github.com/TheLastProject/Catima/raw/master/metadata/en-US/images/phoneScreenshots/screenshot-06.png" width=250>](https://github.com/TheLastProject/Catima/raw/master/metadata/en-US/images/phoneScreenshots/screenshot-06.png)
-[<img src="https://github.com/TheLastProject/Catima/raw/master/metadata/en-US/images/phoneScreenshots/screenshot-07.png" width=250>](https://github.com/TheLastProject/Catima/raw/master/metadata/en-US/images/phoneScreenshots/screenshot-07.png)
-[<img src="https://github.com/TheLastProject/Catima/raw/master/metadata/en-US/images/phoneScreenshots/screenshot-08.png" width=250>](https://github.com/TheLastProject/Catima/raw/master/metadata/en-US/images/phoneScreenshots/screenshot-08.png)
-[<img src="https://github.com/TheLastProject/Catima/raw/master/metadata/en-US/images/phoneScreenshots/screenshot-09.png" width=250>](https://github.com/TheLastProject/Catima/raw/master/metadata/en-US/images/phoneScreenshots/screenshot-09.png)
-[<img src="https://github.com/TheLastProject/Catima/raw/master/metadata/en-US/images/phoneScreenshots/screenshot-10.png" width=250>](https://github.com/TheLastProject/Catima/raw/master/metadata/en-US/images/phoneScreenshots/screenshot-10.png)
+[<img src="https://github.com/TheLastProject/Catima/raw/master/fastlane/metadata/android/en-US/images/phoneScreenshots/screenshot-01.png" width=250>](https://github.com/TheLastProject/Catima/raw/master/fastlane/metadata/android/en-US/images/phoneScreenshots/screenshot-01.png)
+[<img src="https://github.com/TheLastProject/Catima/raw/master/fastlane/metadata/android/en-US/images/phoneScreenshots/screenshot-02.png" width=250>](https://github.com/TheLastProject/Catima/raw/master/fastlane/metadata/android/en-US/images/phoneScreenshots/screenshot-02.png)
+[<img src="https://github.com/TheLastProject/Catima/raw/master/fastlane/metadata/android/en-US/images/phoneScreenshots/screenshot-03.png" width=250>](https://github.com/TheLastProject/Catima/raw/master/fastlane/metadata/android/en-US/images/phoneScreenshots/screenshot-03.png)
+[<img src="https://github.com/TheLastProject/Catima/raw/master/fastlane/metadata/android/en-US/images/phoneScreenshots/screenshot-04.png" width=250>](https://github.com/TheLastProject/Catima/raw/master/fastlane/metadata/android/en-US/images/phoneScreenshots/screenshot-04.png)
+[<img src="https://github.com/TheLastProject/Catima/raw/master/fastlane/metadata/android/en-US/images/phoneScreenshots/screenshot-05.png" width=250>](https://github.com/TheLastProject/Catima/raw/master/fastlane/metadata/android/en-US/images/phoneScreenshots/screenshot-05.png)
+[<img src="https://github.com/TheLastProject/Catima/raw/master/fastlane/metadata/android/en-US/images/phoneScreenshots/screenshot-06.png" width=250>](https://github.com/TheLastProject/Catima/raw/master/fastlane/metadata/android/en-US/images/phoneScreenshots/screenshot-06.png)
+[<img src="https://github.com/TheLastProject/Catima/raw/master/fastlane/metadata/android/en-US/images/phoneScreenshots/screenshot-07.png" width=250>](https://github.com/TheLastProject/Catima/raw/master/fastlane/metadata/android/en-US/images/phoneScreenshots/screenshot-07.png)
+[<img src="https://github.com/TheLastProject/Catima/raw/master/fastlane/metadata/android/en-US/images/phoneScreenshots/screenshot-08.png" width=250>](https://github.com/TheLastProject/Catima/raw/master/fastlane/metadata/android/en-US/images/phoneScreenshots/screenshot-08.png)
 
 # Migrating from other apps
 
@@ -54,7 +57,7 @@ Windows:
 
 # Translating
 
-We are going to set up a translation platform soon, please check back later.
+Please contribute through [our Weblate page](https://hosted.weblate.org/projects/catima/).
 
 # Thanks
 

docs/migrate/protect_card_locker/index.md

@@ -21,15 +21,18 @@ As Catima is based on Loyalty Card Keychain, importing your data from it is very
 ![Step 6](step_6.png)
 
 ## 7. Open Catima
-TODO: Logo
+![Step 7](step_7.png)
 
-## 8. Press the Import/Export button in the top right
+## 8. Press the More Options button in the top right
 ![Step 8](step_8.png)
 
-## 9. Press From Filesystem
+## 9. Press Import/Export
 ![Step 9](step_9.png)
 
-## 10. Choose the file you saved in step 5
+## 10. Press From Filesystem
 ![Step 10](step_10.png)
 
+## 11. Choose the file you saved in step 5
+![Step 11](step_11.png)
+
 ## That's it, you've succesfully imported your Loyalty Card Keychain database into Catima