Merge pull request #206 from brarcher/pre-v0.21

Update for v0.21

CHANGELOG.md

@@ -1,3 +1,14 @@
+## v0.20 (2018-02-10)
+
+Changes:
+- Changes to Card view to display the note, allow the card ID to take multiple lines, and show the store name. (https://github.com/brarcher/loyalty-card-locker/pull/197)
+
+## v0.19 (2018-02-01)
+
+Changes:
+- Improved layout for card list. (https://github.com/brarcher/loyalty-card-locker/pull/188)
+- Improved layout when viewing a card. (https://github.com/brarcher/loyalty-card-locker/pull/190)
+
 ## v0.18.1 (2018-01-24)
 
 Changes:

app/build.gradle

@@ -13,8 +13,8 @@ android {
         applicationId "protect.card_locker"
         minSdkVersion 17
         targetSdkVersion 27
-        versionCode 21
-        versionName "0.19"
+        versionCode 23
+        versionName "0.21"
     }
     buildTypes {
         release {
@@ -27,6 +27,7 @@ android {
         disable "ButtonStyle"
         disable "AlwaysShowAction"
         disable "MissingTranslation"
+        disable "MissingPrefix"
     }
 
     // Starting with Android Studio 3 Robolectric is unable to find resources.
@@ -45,11 +46,15 @@ dependencies {
     compile fileTree(dir: 'libs', include: ['*.jar'])
     compile 'com.android.support:appcompat-v7:27.0.2'
     compile 'com.android.support:design:27.0.2'
+    compile 'com.android.support:support-v4:27.0.2'
     compile 'com.journeyapps:zxing-android-embedded:3.5.0@aar'
     compile 'com.google.zxing:core:3.3.0'
     compile 'org.apache.commons:commons-csv:1.5'
+    compile 'com.android.support.constraint:constraint-layout:1.0.2'
+    compile 'com.jaredrummler:colorpicker:1.0.2'
     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"
     testCompile 'junit:junit:4.12'
     testCompile "org.robolectric:robolectric:3.3.2"
 }

app/src/main/AndroidManifest.xml

@@ -51,6 +51,10 @@
             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"/>
         <activity
             android:name=".ImportExportActivity"
             android:label="@string/importExport"

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

@@ -23,6 +23,8 @@ public class CsvDatabaseExporter implements DatabaseExporter
                 DBHelper.LoyaltyCardDbIds.STORE,
                 DBHelper.LoyaltyCardDbIds.NOTE,
                 DBHelper.LoyaltyCardDbIds.CARD_ID,
+                DBHelper.LoyaltyCardDbIds.HEADER_COLOR,
+                DBHelper.LoyaltyCardDbIds.HEADER_TEXT_COLOR,
                 DBHelper.LoyaltyCardDbIds.BARCODE_TYPE);
 
         Cursor cursor = db.getLoyaltyCardCursor();
@@ -35,6 +37,8 @@ public class CsvDatabaseExporter implements DatabaseExporter
                     card.store,
                     card.note,
                     card.cardId,
+                    card.headerColor,
+                    card.headerTextColor,
                     card.barcodeType);
 
             if(Thread.currentThread().isInterrupted())

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

@@ -83,7 +83,7 @@ public class CsvDatabaseImporter implements DatabaseImporter
      * "key" as the key. If no such key exists, or the data is not a valid
      * int, a FormatException is thrown.
      */
-    private int extractInt(String key, CSVRecord record)
+    private Integer extractInt(String key, CSVRecord record, boolean nullIsOk)
             throws FormatException
     {
         if(record.isMapped(key) == false)
@@ -91,6 +91,12 @@ public class CsvDatabaseImporter implements DatabaseImporter
             throw new FormatException("Field not used but expected: " + key);
         }
 
+        String value = record.get(key);
+        if(value.isEmpty() && nullIsOk)
+        {
+            return null;
+        }
+
         try
         {
             return Integer.parseInt(record.get(key));
@@ -108,7 +114,7 @@ public class CsvDatabaseImporter implements DatabaseImporter
     private void importLoyaltyCard(SQLiteDatabase database, DBHelper helper, CSVRecord record)
             throws IOException, FormatException
     {
-        int id = extractInt(DBHelper.LoyaltyCardDbIds.ID, record);
+        int id = extractInt(DBHelper.LoyaltyCardDbIds.ID, record, false);
 
         String store = extractString(DBHelper.LoyaltyCardDbIds.STORE, record, "");
         if(store.isEmpty())
@@ -130,6 +136,16 @@ public class CsvDatabaseImporter implements DatabaseImporter
             throw new FormatException("No barcode type listed, but is required");
         }
 
-        helper.insertLoyaltyCard(database, id, store, note, cardId, barcodeType);
+        Integer headerColor = null;
+        Integer headerTextColor = null;
+
+        if(record.isMapped(DBHelper.LoyaltyCardDbIds.HEADER_COLOR) &&
+           record.isMapped(DBHelper.LoyaltyCardDbIds.HEADER_TEXT_COLOR))
+        {
+            headerColor = extractInt(DBHelper.LoyaltyCardDbIds.HEADER_COLOR, record, true);
+            headerTextColor = extractInt(DBHelper.LoyaltyCardDbIds.HEADER_TEXT_COLOR, record, true);
+        }
+
+        helper.insertLoyaltyCard(database, id, store, note, cardId, barcodeType, headerColor, headerTextColor);
     }
 }

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

@@ -11,7 +11,7 @@ public class DBHelper extends SQLiteOpenHelper
 {
     public static final String DATABASE_NAME = "LoyaltyCards.db";
     public static final int ORIGINAL_DATABASE_VERSION = 1;
-    public static final int DATABASE_VERSION = 2;
+    public static final int DATABASE_VERSION = 3;
 
     static class LoyaltyCardDbIds
     {
@@ -19,6 +19,8 @@ public class DBHelper extends SQLiteOpenHelper
         public static final String ID = "_id";
         public static final String STORE = "store";
         public static final String NOTE = "note";
+        public static final String HEADER_COLOR = "headercolor";
+        public static final String HEADER_TEXT_COLOR = "headertextcolor";
         public static final String CARD_ID = "cardid";
         public static final String BARCODE_TYPE = "barcodetype";
     }
@@ -36,6 +38,8 @@ public class DBHelper extends SQLiteOpenHelper
                 LoyaltyCardDbIds.ID + " INTEGER primary key autoincrement," +
                 LoyaltyCardDbIds.STORE + " TEXT not null," +
                 LoyaltyCardDbIds.NOTE + " TEXT not null," +
+                LoyaltyCardDbIds.HEADER_COLOR + " INTEGER," +
+                LoyaltyCardDbIds.HEADER_TEXT_COLOR + " INTEGER," +
                 LoyaltyCardDbIds.CARD_ID + " TEXT not null," +
                 LoyaltyCardDbIds.BARCODE_TYPE + " TEXT not null)");
     }
@@ -49,10 +53,20 @@ public class DBHelper extends SQLiteOpenHelper
             db.execSQL("ALTER TABLE " + LoyaltyCardDbIds.TABLE
                     + " ADD COLUMN " + LoyaltyCardDbIds.NOTE + " TEXT not null default ''");
         }
+
+        // Upgrade from version 2 to version 3
+        if(oldVersion < 3 && newVersion >= 3)
+        {
+            db.execSQL("ALTER TABLE " + LoyaltyCardDbIds.TABLE
+                    + " ADD COLUMN " + LoyaltyCardDbIds.HEADER_COLOR + " INTEGER");
+            db.execSQL("ALTER TABLE " + LoyaltyCardDbIds.TABLE
+                    + " ADD COLUMN " + LoyaltyCardDbIds.HEADER_TEXT_COLOR + " INTEGER");
+        }
     }
 
     public long insertLoyaltyCard(final String store, final String note, final String cardId,
-                                     final String barcodeType)
+                                  final String barcodeType, final Integer headerColor,
+                                  final Integer headerTextColor)
     {
         SQLiteDatabase db = getWritableDatabase();
         ContentValues contentValues = new ContentValues();
@@ -60,13 +74,16 @@ public class DBHelper extends SQLiteOpenHelper
         contentValues.put(LoyaltyCardDbIds.NOTE, note);
         contentValues.put(LoyaltyCardDbIds.CARD_ID, cardId);
         contentValues.put(LoyaltyCardDbIds.BARCODE_TYPE, barcodeType);
+        contentValues.put(LoyaltyCardDbIds.HEADER_COLOR, headerColor);
+        contentValues.put(LoyaltyCardDbIds.HEADER_TEXT_COLOR, headerTextColor);
         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,
-                                     final String barcodeType)
+                                     final String barcodeType, final Integer headerColor,
+                                     final Integer headerTextColor)
     {
         ContentValues contentValues = new ContentValues();
         contentValues.put(LoyaltyCardDbIds.ID, id);
@@ -74,13 +91,16 @@ public class DBHelper extends SQLiteOpenHelper
         contentValues.put(LoyaltyCardDbIds.NOTE, note);
         contentValues.put(LoyaltyCardDbIds.CARD_ID, cardId);
         contentValues.put(LoyaltyCardDbIds.BARCODE_TYPE, barcodeType);
+        contentValues.put(LoyaltyCardDbIds.HEADER_COLOR, headerColor);
+        contentValues.put(LoyaltyCardDbIds.HEADER_TEXT_COLOR, headerTextColor);
         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 String cardId, final String barcodeType,
+                                     final Integer headerColor, final Integer headerTextColor)
     {
         SQLiteDatabase db = getWritableDatabase();
         ContentValues contentValues = new ContentValues();
@@ -88,6 +108,8 @@ public class DBHelper extends SQLiteOpenHelper
         contentValues.put(LoyaltyCardDbIds.NOTE, note);
         contentValues.put(LoyaltyCardDbIds.CARD_ID, cardId);
         contentValues.put(LoyaltyCardDbIds.BARCODE_TYPE, barcodeType);
+        contentValues.put(LoyaltyCardDbIds.HEADER_COLOR, headerColor);
+        contentValues.put(LoyaltyCardDbIds.HEADER_TEXT_COLOR, headerTextColor);
         int rowsUpdated = db.update(LoyaltyCardDbIds.TABLE, contentValues,
                 LoyaltyCardDbIds.ID + "=?",
                 new String[]{Integer.toString(id)});

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

@@ -4,7 +4,6 @@ import android.content.Context;
 import android.content.res.Resources;
 import android.content.res.TypedArray;
 import android.graphics.Bitmap;
-import android.graphics.BitmapFactory;
 import android.graphics.Canvas;
 import android.graphics.Color;
 import android.graphics.Paint;
@@ -44,20 +43,35 @@ class LetterBitmap
      * @param tileLetterFontSize The font size used to display the letter
      * @param width       The desired width of the tile
      * @param height      The desired height of the tile
+     * @param backgroundColor  (optional) color to use for background.
+     * @param textColor  (optional) color to use for text.
      */
-    public LetterBitmap(Context context, String displayName, String key, int tileLetterFontSize, int width, int height)
+    public LetterBitmap(Context context, String displayName, String key, int tileLetterFontSize,
+                        int width, int height, Integer backgroundColor, Integer textColor)
     {
-        final Resources res = context.getResources();
-
         TextPaint paint = new TextPaint();
         paint.setTypeface(Typeface.create("sans-serif-light", Typeface.BOLD));
-        paint.setColor(Color.WHITE);
+
+        if(textColor != null)
+        {
+            paint.setColor(textColor);
+        }
+        else
+        {
+            paint.setColor(Color.WHITE);
+        }
+
         paint.setTextAlign(Paint.Align.CENTER);
         paint.setAntiAlias(true);
 
-        TypedArray colors = res.obtainTypedArray(R.array.letter_tile_colors);
-        mColor = pickColor(key, colors);
-        colors.recycle();
+        if(backgroundColor == null)
+        {
+            mColor = getDefaultColor(context, key);
+        }
+        else
+        {
+            mColor = backgroundColor;
+        }
 
         mBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
         String firstChar = displayName.substring(0, 1);
@@ -101,11 +115,26 @@ class LetterBitmap
      * @return A new or previously chosen color for <code>key</code> used as the
      * tile background color
      */
-    private int pickColor(String key, TypedArray colors)
+    private static int pickColor(String key, TypedArray colors)
     {
         // String.hashCode() is not supposed to change across java versions, so
         // this should guarantee the same key always maps to the same color
         final int color = Math.abs(key.hashCode()) % NUM_OF_TILE_COLORS;
         return colors.getColor(color, Color.BLACK);
     }
+
+    /**
+     * Determine the color which the letter tile will use if no default
+     * color is provided.
+     */
+    public static int getDefaultColor(Context context, String key)
+    {
+        final Resources res = context.getResources();
+
+        TypedArray colors = res.obtainTypedArray(R.array.letter_tile_colors);
+        int color = pickColor(key, colors);
+        colors.recycle();
+
+        return color;
+    }
 }

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

@@ -1,6 +1,7 @@
 package protect.card_locker;
 
 import android.database.Cursor;
+import android.support.annotation.Nullable;
 
 public class LoyaltyCard
 {
@@ -10,13 +11,22 @@ public class LoyaltyCard
     public final String cardId;
     public final String barcodeType;
 
-    public LoyaltyCard(final int id, final String store, final String note, final String cardId, final String barcodeType)
+    @Nullable
+    public final Integer headerColor;
+
+    @Nullable
+    public final Integer headerTextColor;
+
+    public LoyaltyCard(final int id, final String store, final String note, final String cardId,
+                       final String barcodeType, final Integer headerColor, final Integer headerTextColor)
     {
         this.id = id;
         this.store = store;
         this.note = note;
         this.cardId = cardId;
         this.barcodeType = barcodeType;
+        this.headerColor = headerColor;
+        this.headerTextColor = headerTextColor;
     }
 
     public static LoyaltyCard toLoyaltyCard(Cursor cursor)
@@ -27,6 +37,22 @@ public class LoyaltyCard
         String cardId = cursor.getString(cursor.getColumnIndexOrThrow(DBHelper.LoyaltyCardDbIds.CARD_ID));
         String barcodeType = cursor.getString(cursor.getColumnIndexOrThrow(DBHelper.LoyaltyCardDbIds.BARCODE_TYPE));
 
-        return new LoyaltyCard(id, store, note, cardId, barcodeType);
+        int headerColorColumn = cursor.getColumnIndexOrThrow(DBHelper.LoyaltyCardDbIds.HEADER_COLOR);
+        int headerTextColorColumn = cursor.getColumnIndexOrThrow(DBHelper.LoyaltyCardDbIds.HEADER_TEXT_COLOR);
+
+        Integer headerColor = null;
+        Integer headerTextColor = null;
+
+        if(cursor.isNull(headerColorColumn) == false)
+        {
+            headerColor = cursor.getInt(headerColorColumn);
+        }
+
+        if(cursor.isNull(headerTextColorColumn) == false)
+        {
+            headerTextColor = cursor.getInt(headerTextColorColumn);
+        }
+
+        return new LoyaltyCard(id, store, note, cardId, barcodeType, headerColor, headerTextColor);
     }
 }

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

@@ -9,11 +9,16 @@ import android.widget.CursorAdapter;
 import android.widget.ImageView;
 import android.widget.TextView;
 
+import protect.card_locker.preferences.Settings;
+
 class LoyaltyCardCursorAdapter extends CursorAdapter
 {
+    Settings settings;
+
     public LoyaltyCardCursorAdapter(Context context, Cursor cursor)
     {
         super(context, cursor, 0);
+        settings = new Settings(context);
     }
 
     // The newView method is used to inflate a new view and return it,
@@ -40,10 +45,13 @@ class LoyaltyCardCursorAdapter extends CursorAdapter
         // Populate fields with extracted properties
         storeField.setText(loyaltyCard.store);
 
+        storeField.setTextSize(settings.getCardTitleListFontSize());
+
         if(loyaltyCard.note.isEmpty() == false)
         {
             noteField.setVisibility(View.VISIBLE);
             noteField.setText(loyaltyCard.note);
+            noteField.setTextSize(settings.getCardNoteListFontSize());
         }
         else
         {
@@ -52,7 +60,11 @@ class LoyaltyCardCursorAdapter extends CursorAdapter
 
         int tileLetterFontSize = context.getResources().getDimensionPixelSize(R.dimen.tileLetterFontSize);
         int pixelSize = context.getResources().getDimensionPixelSize(R.dimen.cardThumbnailSize);
-        LetterBitmap letterBitmap = new LetterBitmap(context, loyaltyCard.store, loyaltyCard.store, tileLetterFontSize, pixelSize, pixelSize);
+
+        Integer letterBackgroundColor = loyaltyCard.headerColor;
+        Integer letterTextColor = loyaltyCard.headerTextColor;
+        LetterBitmap letterBitmap = new LetterBitmap(context, loyaltyCard.store, loyaltyCard.store,
+                tileLetterFontSize, pixelSize, pixelSize, letterBackgroundColor, letterTextColor);
         thumbnail.setImageBitmap(letterBitmap.getLetterTile());
     }
 }

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

@@ -3,6 +3,8 @@ package protect.card_locker;
 import android.app.Activity;
 import android.content.DialogInterface;
 import android.content.Intent;
+import android.content.res.TypedArray;
+import android.graphics.Color;
 import android.os.Build;
 import android.os.Bundle;
 import android.support.design.widget.Snackbar;
@@ -24,6 +26,8 @@ import android.widget.Toast;
 import com.google.zxing.BarcodeFormat;
 import com.google.zxing.integration.android.IntentIntegrator;
 import com.google.zxing.integration.android.IntentResult;
+import com.jaredrummler.android.colorpicker.ColorPickerDialog;
+import com.jaredrummler.android.colorpicker.ColorPickerDialogListener;
 
 public class LoyaltyCardEditActivity extends AppCompatActivity
 {
@@ -32,9 +36,11 @@ public class LoyaltyCardEditActivity extends AppCompatActivity
     private static final int SELECT_BARCODE_REQUEST = 1;
 
     EditText storeFieldEdit;
-    TextView storeFieldView;
     EditText noteFieldEdit;
-    TextView noteFieldView;
+    ImageView headingColorSample;
+    Button headingColorSelectButton;
+    ImageView headingStoreTextColorSample;
+    Button headingStoreTextColorSelectButton;
     TextView cardIdFieldView;
     View cardIdDivider;
     View cardIdTableRow;
@@ -48,6 +54,8 @@ public class LoyaltyCardEditActivity extends AppCompatActivity
 
     int loyaltyCardId;
     boolean updateLoyaltyCard;
+    Integer headingColorValue = null;
+    Integer headingStoreTextColorValue = null;
 
     DBHelper db;
 
@@ -80,9 +88,11 @@ public class LoyaltyCardEditActivity extends AppCompatActivity
         db = new DBHelper(this);
 
         storeFieldEdit = findViewById(R.id.storeNameEdit);
-        storeFieldView = findViewById(R.id.storeNameView);
         noteFieldEdit = findViewById(R.id.noteEdit);
-        noteFieldView = findViewById(R.id.noteView);
+        headingColorSample = findViewById(R.id.headingColorSample);
+        headingColorSelectButton = findViewById(R.id.headingColorSelectButton);
+        headingStoreTextColorSample = findViewById(R.id.headingStoreTextColorSample);
+        headingStoreTextColorSelectButton = findViewById(R.id.headingStoreTextColorSelectButton);
         cardIdFieldView = findViewById(R.id.cardIdView);
         cardIdDivider = findViewById(R.id.cardIdDivider);
         cardIdTableRow = findViewById(R.id.cardIdTableRow);
@@ -129,13 +139,11 @@ public class LoyaltyCardEditActivity extends AppCompatActivity
             if(storeFieldEdit.getText().length() == 0)
             {
                 storeFieldEdit.setText(loyaltyCard.store);
-                storeFieldView.setText(loyaltyCard.store);
             }
 
             if(noteFieldEdit.getText().length() == 0)
             {
                 noteFieldEdit.setText(loyaltyCard.note);
-                noteFieldView.setText(loyaltyCard.note);
             }
 
             if(cardIdFieldView.getText().length() == 0)
@@ -148,31 +156,53 @@ public class LoyaltyCardEditActivity extends AppCompatActivity
                 barcodeTypeField.setText(loyaltyCard.barcodeType);
             }
 
-            if(updateLoyaltyCard)
+            if(headingColorValue == null)
             {
-                setTitle(R.string.editCardTitle);
-
-                storeFieldView.setVisibility(View.GONE);
-                noteFieldView.setVisibility(View.GONE);
+                headingColorValue = loyaltyCard.headerColor;
+                if(headingColorValue == null)
+                {
+                    headingColorValue = LetterBitmap.getDefaultColor(this, loyaltyCard.store);
+                }
+                headingColorSample.setBackgroundColor(headingColorValue);
             }
-            else
+
+            if(headingStoreTextColorValue == null)
             {
-                barcodeCaptureLayout.setVisibility(View.GONE);
-                captureButton.setVisibility(View.GONE);
-                setTitle(R.string.viewCardTitle);
-
-                storeFieldEdit.setVisibility(View.GONE);
-                noteFieldEdit.setVisibility(View.GONE);
+                headingStoreTextColorValue = loyaltyCard.headerTextColor;
+                if(headingStoreTextColorValue == null)
+                {
+                    headingStoreTextColorValue = Color.WHITE;
+                }
+                headingStoreTextColorSample.setBackgroundColor(headingStoreTextColorValue);
             }
+
+            setTitle(R.string.editCardTitle);
         }
         else
         {
             setTitle(R.string.addCardTitle);
-
-            storeFieldView.setVisibility(View.GONE);
-            noteFieldView.setVisibility(View.GONE);
         }
 
+        if(headingColorValue == null)
+        {
+            // Select a random color to start out with.
+            TypedArray colors = getResources().obtainTypedArray(R.array.letter_tile_colors);
+            final int color = (int)(Math.random() * colors.length());
+            headingColorValue = colors.getColor(color, Color.BLACK);
+            colors.recycle();
+
+            headingColorSample.setBackgroundColor(headingColorValue);
+        }
+
+        if(headingStoreTextColorValue == null)
+        {
+            headingStoreTextColorValue = Color.WHITE;
+            headingStoreTextColorSample.setBackgroundColor(headingStoreTextColorValue);
+        }
+
+        headingColorSelectButton.setOnClickListener(new ColorSelectListener(headingColorValue, true));
+        headingStoreTextColorSelectButton.setOnClickListener(new ColorSelectListener(headingStoreTextColorValue, false));
+
         if(cardIdFieldView.getText().length() > 0 && barcodeTypeField.getText().length() > 0)
         {
             String formatString = barcodeTypeField.getText().toString();
@@ -262,6 +292,48 @@ public class LoyaltyCardEditActivity extends AppCompatActivity
         }
     }
 
+    class ColorSelectListener implements View.OnClickListener
+    {
+        final int defaultColor;
+        final boolean isBackgroundColor;
+
+        ColorSelectListener(int defaultColor, boolean isBackgroundColor)
+        {
+            this.defaultColor = defaultColor;
+            this.isBackgroundColor = isBackgroundColor;
+        }
+
+        @Override
+        public void onClick(View v)
+        {
+            ColorPickerDialog dialog = ColorPickerDialog.newBuilder().setColor(defaultColor).create();
+            dialog.setColorPickerDialogListener(new ColorPickerDialogListener()
+            {
+                @Override
+                public void onColorSelected(int dialogId, int color)
+                {
+                    if(isBackgroundColor)
+                    {
+                        headingColorSample.setBackgroundColor(color);
+                        headingColorValue = color;
+                    }
+                    else
+                    {
+                        headingStoreTextColorSample.setBackgroundColor(color);
+                        headingStoreTextColorValue = color;
+                    }
+                }
+
+                @Override
+                public void onDialogDismissed(int dialogId)
+                {
+                    // Nothing to do, no change made
+                }
+            });
+            dialog.show(getFragmentManager(), "color-picker-dialog");
+        }
+    }
+
     private void doSave()
     {
         String store = storeFieldEdit.getText().toString();
@@ -283,12 +355,12 @@ public class LoyaltyCardEditActivity extends AppCompatActivity
 
         if(updateLoyaltyCard)
         {
-            db.updateLoyaltyCard(loyaltyCardId, store, note, cardId, barcodeType);
+            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);
+            loyaltyCardId = (int)db.insertLoyaltyCard(store, note, cardId, barcodeType, headingColorValue, headingStoreTextColorValue);
         }
 
         finish();

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

@@ -1,44 +1,46 @@
 package protect.card_locker;
 
 
-import android.app.Activity;
-import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.pm.ActivityInfo;
+import android.graphics.Color;
 import android.os.Build;
 import android.os.Bundle;
-import android.support.design.widget.Snackbar;
+import android.support.v4.widget.TextViewCompat;
 import android.support.v7.app.ActionBar;
-import android.support.v7.app.AlertDialog;
 import android.support.v7.app.AppCompatActivity;
 import android.support.v7.widget.Toolbar;
 import android.util.Log;
+import android.util.TypedValue;
 import android.view.Menu;
 import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewTreeObserver;
 import android.view.Window;
 import android.view.WindowManager;
-import android.widget.Button;
-import android.widget.EditText;
 import android.widget.ImageView;
 import android.widget.TextView;
 import android.widget.Toast;
 
 import com.google.zxing.BarcodeFormat;
 
+import protect.card_locker.preferences.Settings;
+
 
 public class LoyaltyCardViewActivity extends AppCompatActivity
 {
     private static final String TAG = "CardLocker";
 
     TextView cardIdFieldView;
+    TextView noteView;
+    View noteViewDivider;
+    TextView storeName;
     ImageView barcodeImage;
-    ImageView storeLogo;
     View collapsingToolbarLayout;
     int loyaltyCardId;
     boolean rotationEnabled;
     DBHelper db;
+    Settings settings;
 
     private void extractIntentFields(Intent intent)
     {
@@ -52,6 +54,8 @@ public class LoyaltyCardViewActivity extends AppCompatActivity
     {
         super.onCreate(savedInstanceState);
 
+        settings = new Settings(this);
+
         extractIntentFields(getIntent());
 
         setContentView(R.layout.loyalty_card_view_layout);
@@ -67,8 +71,10 @@ public class LoyaltyCardViewActivity extends AppCompatActivity
         db = new DBHelper(this);
 
         cardIdFieldView = findViewById(R.id.cardIdView);
+        noteView = findViewById(R.id.noteView);
+        noteViewDivider = findViewById(R.id.noteViewDivider);
+        storeName = findViewById(R.id.storeName);
         barcodeImage = findViewById(R.id.barcode);
-        storeLogo = findViewById(R.id.storeLogo);
         collapsingToolbarLayout = findViewById(R.id.collapsingToolbarLayout);
     }
 
@@ -111,12 +117,48 @@ public class LoyaltyCardViewActivity extends AppCompatActivity
         final String cardIdString = loyaltyCard.cardId;
 
         cardIdFieldView.setText(loyaltyCard.cardId);
+        TextViewCompat.setAutoSizeTextTypeUniformWithConfiguration(cardIdFieldView,
+                getResources().getInteger(R.integer.settings_card_id_min_font_size_sp)-1, settings.getCardIdFontSize(),
+                1, TypedValue.COMPLEX_UNIT_SP);
 
-        int cardViewLetterFontSize = getResources().getDimensionPixelSize(R.dimen.cardViewLetterFontSize);
-        int pixelSize = getResources().getDimensionPixelSize(R.dimen.cardThumbnailSizeLarge);
-        LetterBitmap letterBitmap = new LetterBitmap(this, loyaltyCard.store, loyaltyCard.store, cardViewLetterFontSize, pixelSize, pixelSize);
-        storeLogo.setImageBitmap(letterBitmap.getLetterTile());
-        collapsingToolbarLayout.setBackgroundColor(letterBitmap.getBackgroundColor());
+        if(loyaltyCard.note.length() > 0)
+        {
+            noteView.setText(loyaltyCard.note);
+            TextViewCompat.setAutoSizeTextTypeUniformWithConfiguration(noteView,
+                    getResources().getInteger(R.integer.settings_card_note_min_font_size_sp)-1,
+                    settings.getCardNoteFontSize(), 1, TypedValue.COMPLEX_UNIT_SP);
+        }
+        else
+        {
+            noteView.setVisibility(View.GONE);
+            noteViewDivider.setVisibility(View.GONE);
+        }
+
+        storeName.setText(loyaltyCard.store);
+        storeName.setTextSize(settings.getCardTitleFontSize());
+
+        int textColor;
+        if(loyaltyCard.headerTextColor != null)
+        {
+            textColor = loyaltyCard.headerTextColor;
+        }
+        else
+        {
+            textColor = Color.WHITE;
+        }
+        storeName.setTextColor(textColor);
+
+        int backgroundHeaderColor;
+        if(loyaltyCard.headerColor != null)
+        {
+            backgroundHeaderColor = loyaltyCard.headerColor;
+        }
+        else
+        {
+            backgroundHeaderColor = LetterBitmap.getDefaultColor(this, loyaltyCard.store);
+        }
+
+        collapsingToolbarLayout.setBackgroundColor(backgroundHeaderColor);
 
         if(barcodeImage.getHeight() == 0)
         {

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

@@ -30,6 +30,7 @@ import java.util.Calendar;
 import java.util.Map;
 
 import protect.card_locker.intro.IntroActivity;
+import protect.card_locker.preferences.SettingsActivity;
 
 public class MainActivity extends AppCompatActivity
 {
@@ -164,6 +165,13 @@ public class MainActivity extends AppCompatActivity
             return true;
         }
 
+        if(id == R.id.action_settings)
+        {
+            Intent i = new Intent(getApplicationContext(), SettingsActivity.class);
+            startActivity(i);
+            return true;
+        }
+
         if(id == R.id.action_intro)
         {
             startIntro();
@@ -181,14 +189,15 @@ public class MainActivity extends AppCompatActivity
 
     private void displayAboutDialog()
     {
-        final Map<String, String> USED_LIBRARIES = ImmutableMap.of
-        (
-            "Commons CSV", "https://commons.apache.org/proper/commons-csv/",
-            "Guava", "https://github.com/google/guava",
-            "ZXing", "https://github.com/zxing/zxing",
-            "ZXing Android Embedded", "https://github.com/journeyapps/zxing-android-embedded",
-            "AppIntro", "https://github.com/apl-devs/AppIntro"
-        );
+        final Map<String, String> USED_LIBRARIES = new ImmutableMap.Builder<String, String>()
+            .put("Commons CSV", "https://commons.apache.org/proper/commons-csv/")
+            .put("Guava", "https://github.com/google/guava")
+            .put("ZXing", "https://github.com/zxing/zxing")
+            .put("ZXing Android Embedded", "https://github.com/journeyapps/zxing-android-embedded")
+            .put("AppIntro", "https://github.com/apl-devs/AppIntro")
+            .put("Color Picker", "https://github.com/jaredrummler/ColorPicker")
+            .put("VNTNumberPickerPreference", "https://github.com/vanniktech/VNTNumberPickerPreference")
+            .build();
 
         final Map<String, String> USED_ASSETS = ImmutableMap.of
         (

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

@@ -0,0 +1,61 @@
+package protect.card_locker.preferences;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.preference.PreferenceManager;
+import android.support.annotation.IntegerRes;
+import android.support.annotation.StringRes;
+
+import protect.card_locker.R;
+
+public class Settings
+{
+    private Context context;
+    private SharedPreferences settings;
+
+    public Settings(Context context)
+    {
+        this.context = context;
+        this.settings = PreferenceManager.getDefaultSharedPreferences(context);
+    }
+
+    private String getResString(@StringRes int resId)
+    {
+        return context.getString(resId);
+    }
+
+    private int getResInt(@IntegerRes int resId)
+    {
+        return context.getResources().getInteger(resId);
+    }
+
+    private int getInt(@StringRes int keyId, @IntegerRes int defaultId)
+    {
+        return settings.getInt(getResString(keyId), getResInt(defaultId));
+    }
+
+    public int getCardTitleListFontSize()
+    {
+        return getInt(R.string.settings_key_card_title_list_font_size, R.integer.settings_card_title_list_font_size_sp);
+    }
+
+    public int getCardNoteListFontSize()
+    {
+        return getInt(R.string.settings_key_card_note_list_font_size, R.integer.settings_card_note_list_font_size_sp);
+    }
+
+    public int getCardTitleFontSize()
+    {
+        return getInt(R.string.settings_key_card_title_font_size, R.integer.settings_card_title_font_size_sp);
+    }
+
+    public int getCardIdFontSize()
+    {
+        return getInt(R.string.settings_key_card_id_font_size, R.integer.settings_card_id_font_size_sp);
+    }
+
+    public int getCardNoteFontSize()
+    {
+        return getInt(R.string.settings_key_card_note_font_size, R.integer.settings_card_note_font_size_sp);
+    }
+}

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

@@ -0,0 +1,56 @@
+package protect.card_locker.preferences;
+
+import android.os.Bundle;
+import android.preference.PreferenceFragment;
+import android.support.v7.app.ActionBar;
+import android.support.v7.app.AppCompatActivity;
+import android.view.MenuItem;
+
+import protect.card_locker.R;
+
+public class SettingsActivity extends AppCompatActivity
+{
+    @Override
+    protected void onCreate(Bundle savedInstanceState)
+    {
+        super.onCreate(savedInstanceState);
+
+        ActionBar actionBar = getSupportActionBar();
+        if(actionBar != null)
+        {
+            getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+        }
+
+        // Display the fragment as the main content.
+        getFragmentManager().beginTransaction()
+                .replace(android.R.id.content, new SettingsFragment())
+                .commit();
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item)
+    {
+        int id = item.getItemId();
+
+        if(id == android.R.id.home)
+        {
+            finish();
+            return true;
+        }
+
+        return super.onOptionsItemSelected(item);
+    }
+
+    public static class SettingsFragment extends PreferenceFragment
+    {
+        @Override
+        public void onCreate(Bundle savedInstanceState)
+        {
+            super.onCreate(savedInstanceState);
+
+            // Load the preferences from an XML resource
+            addPreferencesFromResource(R.xml.preferences);
+        }
+    }
+}
+

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

@@ -72,14 +72,6 @@
                             android:textSize="@dimen/inputSize"
                             android:layout_toEndOf="@id/storeNameField"/>
 
-                        <TextView
-                            android:id="@+id/storeNameView"
-                            android:layout_height="wrap_content"
-                            android:layout_width="match_parent"
-                            android:padding="@dimen/inputPadding"
-                            android:textSize="@dimen/inputSize"
-                            android:textIsSelectable="true"
-                            android:layout_toEndOf="@id/storeNameField"/>
                     </RelativeLayout>
 
                     <View
@@ -128,16 +120,149 @@
                             android:padding="@dimen/inputPadding"
                             android:textSize="@dimen/inputSize"
                             android:layout_toEndOf="@id/noteField"/>
+                    </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"
+                    android:layout_width="match_parent"
+                    android:background="@color/inputBorder" />
+                <TableRow
+                    android:background="@color/inputBackground"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content">
+                    <View
+                        android:gravity="start"
+                        android:layout_height="match_parent"
+                        android:layout_width="@dimen/inputBorderThickness"
+                        android:background="@color/inputBorder" />
+
+                    <android.support.constraint.ConstraintLayout
+                        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/noteView"
-                            android:layout_height="wrap_content"
-                            android:layout_width="match_parent"
-                            android:padding="@dimen/inputPadding"
+                            android:id="@+id/headingField"
+                            android:text="@string/storeTextBackgroundColorTitle"
+                            android:layout_height="match_parent"
+                            android:layout_width="wrap_content"
                             android:textSize="@dimen/inputSize"
-                            android:textIsSelectable="true"
-                            android:layout_toEndOf="@id/noteField"/>
-                    </RelativeLayout>
+                            android:padding="@dimen/inputPadding"
+                            app:layout_constraintStart_toStartOf="parent"/>
+
+                        <android.support.constraint.ConstraintLayout
+                            android:id="@+id/headingColorSampleBorder"
+                            android:layout_width="0dp"
+                            android:layout_height="0dp"
+                            android:layout_margin="@dimen/colorSamplePadding"
+                            app:layout_constraintStart_toEndOf="@id/headingField"
+                            app:layout_constraintEnd_toStartOf="@+id/headingColorSelectButton"
+                            app:layout_constraintTop_toTopOf="parent"
+                            app:layout_constraintBottom_toBottomOf="parent"
+                            android:background="@android:color/black">
+                            <ImageView
+                                android:id="@+id/headingColorSample"
+                                android:layout_width="0dp"
+                                android:layout_height="0dp"
+                                android:layout_margin="1dp"
+                                app:layout_constraintStart_toStartOf="parent"
+                                app:layout_constraintEnd_toEndOf="parent"
+                                app:layout_constraintTop_toTopOf="parent"
+                                app:layout_constraintBottom_toBottomOf="parent"
+                                android:background="@android:color/white"
+                                android:contentDescription="@string/storeNameBackgroundColorDescription"/>
+                        </android.support.constraint.ConstraintLayout>
+
+                       <Button
+                           android:id="@+id/headingColorSelectButton"
+                           android:text="@string/change"
+                           android:padding="@dimen/inputPadding"
+                           android:layout_width="wrap_content"
+                           android:layout_height="match_parent"
+                           android:layout_toEndOf="@id/headingColorSampleBorder"
+                           app:layout_constraintEnd_toEndOf="parent"/>
+                    </android.support.constraint.ConstraintLayout>
+
+                    <View
+                        android:gravity="end"
+                        android:layout_height="match_parent"
+                        android:layout_width="@dimen/inputBorderThickness"
+                        android:background="@color/inputBorder" />
+                </TableRow>
+
+                <!-- Store Text Color -->
+                <View
+                    android:layout_height="@dimen/inputBorderThickness"
+                    android:layout_width="match_parent"
+                    android:background="@color/inputBorder" />
+                <TableRow
+                    android:background="@color/inputBackground"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content">
+                    <View
+                        android:gravity="start"
+                        android:layout_height="match_parent"
+                        android:layout_width="@dimen/inputBorderThickness"
+                        android:background="@color/inputBorder" />
+
+                    <android.support.constraint.ConstraintLayout
+                        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/storeTextField"
+                            android:text="@string/storeTextColorTitle"
+                            android:layout_height="match_parent"
+                            android:layout_width="wrap_content"
+                            android:textSize="@dimen/inputSize"
+                            android:padding="@dimen/inputPadding"
+                            app:layout_constraintStart_toStartOf="parent"/>
+
+                        <android.support.constraint.ConstraintLayout
+                            android:id="@+id/headingStoreTextColorSampleBorder"
+                            android:layout_width="0dp"
+                            android:layout_height="0dp"
+                            android:layout_margin="@dimen/colorSamplePadding"
+                            app:layout_constraintStart_toEndOf="@id/storeTextField"
+                            app:layout_constraintEnd_toStartOf="@+id/headingStoreTextColorSelectButton"
+                            app:layout_constraintTop_toTopOf="parent"
+                            app:layout_constraintBottom_toBottomOf="parent"
+                            android:background="@android:color/black">
+                            <ImageView
+                                android:id="@+id/headingStoreTextColorSample"
+                                android:layout_width="0dp"
+                                android:layout_height="0dp"
+                                android:layout_margin="1dp"
+                                app:layout_constraintStart_toStartOf="parent"
+                                app:layout_constraintEnd_toEndOf="parent"
+                                app:layout_constraintTop_toTopOf="parent"
+                                app:layout_constraintBottom_toBottomOf="parent"
+                                android:background="@android:color/white"
+                                android:contentDescription="@string/storeNameColorDescription"/>
+                        </android.support.constraint.ConstraintLayout>
+
+                        <Button
+                            android:id="@+id/headingStoreTextColorSelectButton"
+                            android:text="@string/change"
+                            android:padding="@dimen/inputPadding"
+                            android:layout_width="wrap_content"
+                            android:layout_height="match_parent"
+                            android:layout_toEndOf="@id/headingStoreTextColorSampleBorder"
+                            app:layout_constraintEnd_toEndOf="parent"/>
+                    </android.support.constraint.ConstraintLayout>
 
                     <View
                         android:gravity="end"

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

@@ -15,35 +15,77 @@
         android:layout_height="fill_parent"
         app:layout_behavior="@string/appbar_scrolling_view_behavior">
 
-        <LinearLayout
+        <android.support.constraint.ConstraintLayout
             android:layout_width="fill_parent"
             android:layout_height="match_parent"
             android:orientation="vertical">
 
+            <android.support.constraint.Guideline
+                android:id="@+id/centerGuideline"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:orientation="horizontal"
+                app:layout_constraintGuide_percent="0.5"/>
+
             <ImageView
                 android:id="@+id/barcode"
-                android:layout_width="fill_parent"
-                android:layout_height="0.0px"
+                android:layout_width="0dp"
+                android:layout_height="0dp"
                 android:layout_marginTop="20.0dip"
                 android:layout_marginBottom="10.0dip"
-                android:layout_weight="0.1"
-                android:layout_gravity="center_horizontal"
+                android:layout_marginStart="15.0dip"
+                android:layout_marginEnd="15.0dip"
+                app:layout_constraintBottom_toTopOf="@+id/centerGuideline"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toTopOf="parent"
                 android:contentDescription="@string/barcodeImageDescription"/>
 
             <TextView
                 android:id="@+id/cardIdView"
-                android:textSize="42.0sp"
-                android:layout_width="match_parent"
-                android:layout_height="0px"
+                android:layout_width="0dp"
+                android:layout_height="0dp"
                 android:layout_marginLeft="10.0dip"
                 android:layout_marginRight="10.0dip"
-                android:maxLines="1"
-                android:layout_weight="0.1"
+                app:layout_constraintTop_toBottomOf="@id/centerGuideline"
+                app:layout_constraintBottom_toTopOf="@+id/noteViewDivider"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
                 android:textAlignment="center"
+                app:autoSizeTextType="uniform"
+                app:autoSizeMinTextSize="@dimen/singleCardCardIdTextSizeMin"
+                app:autoSizeMaxTextSize="@dimen/singleCardCardIdTextSizeMax"
                 android:ellipsize="end"
-                android:text="1234567890"/>
+                android:textIsSelectable="true"/>
 
-        </LinearLayout>
+            <View
+                android:id="@id/noteViewDivider"
+                android:layout_width="match_parent"
+                android:layout_height="1dp"
+                android:background="@android:color/black"
+                app:layout_constraintTop_toBottomOf="@id/cardIdView"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintBottom_toBottomOf="@+id/noteView"
+                />
+
+            <TextView
+                android:id="@id/noteView"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_margin="10.0dip"
+                android:ellipsize="end"
+                android:layout_gravity="bottom"
+                app:layout_constraintTop_toBottomOf="@id/noteViewDivider"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintBottom_toBottomOf="parent"
+                app:autoSizeTextType="uniform"
+                app:autoSizeMinTextSize="@dimen/singleCardNoteTextSizeMin"
+                app:autoSizeMaxTextSize="@dimen/singleCardNoteTextSizeMax"
+                android:textIsSelectable="true"/>
+
+        </android.support.constraint.ConstraintLayout>
 
         <View
             android:id="@+id/drop_shadow_actionbar"
@@ -73,10 +115,16 @@
             app:expandedTitleMarginEnd="64dp"
             app:contentScrim="?colorPrimary"
             app:expandedTitleGravity="top">
-            <ImageView
-                android:id="@+id/storeLogo"
+            <TextView
+                android:id="@+id/storeName"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
+                android:maxLines="1"
+                android:ellipsize="end"
+                android:textColor="@android:color/white"
+                android:textSize="40sp"
+                android:textAlignment="center"
+                android:layout_gravity="center"
                 android:layout_marginTop="?actionBarSize"
                 app:layout_collapseMode="parallax"
                 android:fitsSystemWindows="true"/>

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

@@ -12,6 +12,10 @@
         android:icon="@drawable/ic_import_export_white_24dp"
         android:title="@string/importExport"
         app:showAsAction="ifRoom"/>
+    <item
+        android:id="@+id/action_settings"
+        android:title="@string/settings"
+        app:showAsAction="never"/>
     <item
         android:id="@+id/action_intro"
         android:title="@string/startIntro"

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

@@ -14,9 +14,15 @@
     <dimen name="storeNameTextSize">28sp</dimen>
     <dimen name="noteTextSize">14sp</dimen>
 
+    <dimen name="singleCardCardIdTextSizeMin">15sp</dimen>
+    <dimen name="singleCardCardIdTextSizeMax">50sp</dimen>
+    <dimen name="singleCardNoteTextSizeMin">25sp</dimen>
+    <dimen name="singleCardNoteTextSizeMax">50sp</dimen>
+
     <dimen name="inputBorderThickness">2dip</dimen>
     <dimen name="inputBorderDividerThickness">4dip</dimen>
     <dimen name="inputPadding">20dip</dimen>
+    <dimen name="colorSamplePadding">10dip</dimen>
     <dimen name="inputSize">18sp</dimen>
 
     <dimen name="cardThumbnailSize">46dp</dimen>

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

@@ -10,4 +10,23 @@
         <item>#2093cd</item>
         <item>#ad62a7</item>
     </array>
+
+    <!-- Default values -->
+    <integer name="settings_card_title_list_font_size_sp">28</integer>
+    <integer name="settings_card_note_list_font_size_sp">14</integer>
+    <integer name="settings_card_title_font_size_sp">40</integer>
+    <integer name="settings_card_id_font_size_sp">50</integer>
+    <integer name="settings_card_note_font_size_sp">50</integer>
+
+    <!-- Constraints -->
+    <integer name="settings_card_title_list_max_font_size_sp">40</integer>
+    <integer name="settings_card_title_list_min_font_size_sp">16</integer>
+    <integer name="settings_card_note_list_max_font_size_sp">25</integer>
+    <integer name="settings_card_note_list_min_font_size_sp">10</integer>
+    <integer name="settings_card_title_max_font_size_sp">50</integer>
+    <integer name="settings_card_title_min_font_size_sp">16</integer>
+    <integer name="settings_card_id_max_font_size_sp">50</integer>
+    <integer name="settings_card_id_min_font_size_sp">16</integer>
+    <integer name="settings_card_note_max_font_size_sp">50</integer>
+    <integer name="settings_card_note_min_font_size_sp">26</integer>
 </resources>

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

@@ -100,4 +100,24 @@
     <string name="intro5Description">The cards can be backed-up. To export or import card data touch Import/Export in the menu on the main page.\n\n</string>
     <string name="intro6Title">Feedback\n</string>
     <string name="intro6Description">This app is free, ad-free, and open source. See details by touching About in the menu on the main page.\n\nPlease leave feedback in the app store! (:</string>
+
+    <string name="change">Change</string>
+    <string name="storeTextColorTitle">Store Text Color</string>
+    <string name="storeTextBackgroundColorTitle">Heading Color</string>
+    <string name="storeNameBackgroundColorDescription">Color for store text background</string>
+    <string name="storeNameColorDescription">Color for store text</string>
+
+    <string name="settings">Settings</string>
+    <string name="settings_category_title_ui">User interface</string>
+    <string name="settings_card_title_list_font_size">Card title list font size</string>
+    <string name="settings_key_card_title_list_font_size" translatable="false">pref_card_title_list_font_size_sp</string>
+    <string name="settings_card_note_list_font_size">Card note list font size</string>
+    <string name="settings_key_card_note_list_font_size" translatable="false">pref_card_note_list_font_size_sp</string>
+    <string name="settings_card_title_font_size">Card title font size</string>
+    <string name="settings_key_card_title_font_size" translatable="false">pref_card_title_font_size_sp</string>
+    <string name="settings_card_id_font_size">Card ID font size</string>
+    <string name="settings_key_card_id_font_size" translatable="false">pref_card_id_font_size_sp</string>
+    <string name="settings_card_note_font_size">Card note font size</string>
+    <string name="settings_key_card_note_font_size" translatable="false">pref_card_note_font_size_sp</string>
+
 </resources>

app/src/main/res/xml/preferences.xml

@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="utf-8"?>
+<PreferenceScreen
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+
+    <PreferenceCategory
+        android:title="@string/settings_category_title_ui">
+
+        <com.vanniktech.vntnumberpickerpreference.VNTNumberPickerPreference
+            android:key="@string/settings_key_card_title_list_font_size"
+            android:title="@string/settings_card_title_list_font_size"
+            android:defaultValue="@integer/settings_card_title_list_font_size_sp"
+            app:vnt_maxValue="@integer/settings_card_title_list_max_font_size_sp"
+            app:vnt_minValue="@integer/settings_card_title_list_min_font_size_sp" />
+
+        <com.vanniktech.vntnumberpickerpreference.VNTNumberPickerPreference
+            android:key="@string/settings_key_card_note_list_font_size"
+            android:title="@string/settings_card_note_list_font_size"
+            android:defaultValue="@integer/settings_card_note_list_font_size_sp"
+            app:vnt_maxValue="@integer/settings_card_note_list_max_font_size_sp"
+            app:vnt_minValue="@integer/settings_card_note_list_min_font_size_sp" />
+
+        <com.vanniktech.vntnumberpickerpreference.VNTNumberPickerPreference
+            android:key="@string/settings_key_card_title_font_size"
+            android:title="@string/settings_card_title_font_size"
+            android:defaultValue="@integer/settings_card_title_font_size_sp"
+            app:vnt_maxValue="@integer/settings_card_title_max_font_size_sp"
+            app:vnt_minValue="@integer/settings_card_title_min_font_size_sp"/>
+
+        <com.vanniktech.vntnumberpickerpreference.VNTNumberPickerPreference
+            android:key="@string/settings_key_card_id_font_size"
+            android:title="@string/settings_card_id_font_size"
+            android:defaultValue="@integer/settings_card_id_font_size_sp"
+            app:vnt_maxValue="@integer/settings_card_id_max_font_size_sp"
+            app:vnt_minValue="@integer/settings_card_id_min_font_size_sp" />
+
+        <com.vanniktech.vntnumberpickerpreference.VNTNumberPickerPreference
+            android:key="@string/settings_key_card_note_font_size"
+            android:title="@string/settings_card_note_font_size"
+            android:defaultValue="@integer/settings_card_note_font_size_sp"
+            app:vnt_maxValue="@integer/settings_card_note_max_font_size_sp"
+            app:vnt_minValue="@integer/settings_card_note_min_font_size_sp" />
+
+    </PreferenceCategory>
+
+</PreferenceScreen>

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

@@ -4,6 +4,7 @@ import android.app.Activity;
 import android.content.ContentValues;
 import android.database.Cursor;
 import android.database.sqlite.SQLiteDatabase;
+import android.graphics.Color;
 
 import com.google.zxing.BarcodeFormat;
 
@@ -25,6 +26,9 @@ public class DatabaseTest
 {
     private DBHelper db;
 
+    private static final Integer DEFAULT_HEADER_COLOR = Color.BLACK;
+    private static final Integer DEFAULT_HEADER_TEXT_COLOR = Color.WHITE;
+
     @Before
     public void setUp()
     {
@@ -36,7 +40,7 @@ public class DatabaseTest
     public void addRemoveOneGiftCard()
     {
         assertEquals(0, db.getLoyaltyCardCount());
-        long id = db.insertLoyaltyCard("store", "note", "cardId", BarcodeFormat.UPC_A.toString());
+        long id = db.insertLoyaltyCard("store", "note", "cardId", BarcodeFormat.UPC_A.toString(), DEFAULT_HEADER_COLOR, DEFAULT_HEADER_TEXT_COLOR);
         boolean result = (id != -1);
         assertTrue(result);
         assertEquals(1, db.getLoyaltyCardCount());
@@ -57,12 +61,12 @@ public class DatabaseTest
     @Test
     public void updateGiftCard()
     {
-        long id = db.insertLoyaltyCard("store", "note", "cardId", BarcodeFormat.UPC_A.toString());
+        long id = db.insertLoyaltyCard("store", "note", "cardId", BarcodeFormat.UPC_A.toString(), DEFAULT_HEADER_COLOR, DEFAULT_HEADER_TEXT_COLOR);
         boolean result = (id != -1);
         assertTrue(result);
         assertEquals(1, db.getLoyaltyCardCount());
 
-        result = db.updateLoyaltyCard(1, "store1", "note1", "cardId1", BarcodeFormat.AZTEC.toString());
+        result = db.updateLoyaltyCard(1, "store1", "note1", "cardId1", BarcodeFormat.AZTEC.toString(), DEFAULT_HEADER_COLOR, DEFAULT_HEADER_TEXT_COLOR);
         assertTrue(result);
         assertEquals(1, db.getLoyaltyCardCount());
 
@@ -80,7 +84,7 @@ public class DatabaseTest
         assertEquals(0, db.getLoyaltyCardCount());
 
         boolean result = db.updateLoyaltyCard(1, "store1", "note1", "cardId1",
-                BarcodeFormat.UPC_A.toString());
+                BarcodeFormat.UPC_A.toString(), DEFAULT_HEADER_COLOR, DEFAULT_HEADER_TEXT_COLOR);
         assertEquals(false, result);
         assertEquals(0, db.getLoyaltyCardCount());
     }
@@ -88,7 +92,7 @@ public class DatabaseTest
     @Test
     public void emptyGiftCardValues()
     {
-        long id = db.insertLoyaltyCard("", "", "", "");
+        long id = db.insertLoyaltyCard("", "", "", "", null, null);
         boolean result = (id != -1);
         assertTrue(result);
         assertEquals(1, db.getLoyaltyCardCount());
@@ -111,7 +115,7 @@ 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());
+                    BarcodeFormat.UPC_A.toString(), index, index*2);
             boolean result = (id != -1);
             assertTrue(result);
         }
@@ -130,7 +134,10 @@ public class DatabaseTest
             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(index, cursor.getInt(cursor.getColumnIndexOrThrow(DBHelper.LoyaltyCardDbIds.HEADER_COLOR)));
+            assertEquals(index*2, cursor.getInt(cursor.getColumnIndexOrThrow(DBHelper.LoyaltyCardDbIds.HEADER_TEXT_COLOR)));
 
             cursor.moveToNext();
         }
@@ -184,6 +191,8 @@ public class DatabaseTest
         assertEquals("cardId", card.cardId);
         assertEquals(BarcodeFormat.UPC_A.toString(), card.barcodeType);
         assertEquals("", card.note);
+        assertEquals(null, card.headerColor);
+        assertEquals(null, card.headerTextColor);
 
         database.close();
     }

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

@@ -7,6 +7,7 @@ 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;
@@ -22,10 +23,12 @@ import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.io.InputStreamReader;
 import java.io.OutputStreamWriter;
+import java.nio.charset.StandardCharsets;
 import java.util.Calendar;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
 
 @RunWith(RobolectricTestRunner.class)
@@ -65,7 +68,7 @@ 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);
+            long id = db.insertLoyaltyCard(storeName, note, BARCODE_DATA, BARCODE_TYPE, index, index*2);
             boolean result = (id != -1);
             assertTrue(result);
         }
@@ -94,6 +97,8 @@ public class ImportExportTest
             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);
 
             index++;
         }
@@ -276,4 +281,86 @@ public class ImportExportTest
             clearDatabase();
         }
     }
+
+    @Test
+    public void importWithoutColors() 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";
+
+        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());
+
+        LoyaltyCard card = db.getLoyaltyCard(1);
+
+        assertEquals("store", card.store);
+        assertEquals("note", card.note);
+        assertEquals("12345", card.cardId);
+        assertEquals("type", card.barcodeType);
+        assertNull(card.headerColor);
+        assertNull(card.headerTextColor);
+    }
+
+    @Test
+    public void importWithoutNullColors() 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 + "\n";
+        csvText += "1,store,note,12345,type,,";
+
+        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());
+
+        LoyaltyCard card = db.getLoyaltyCard(1);
+
+        assertEquals("store", card.store);
+        assertEquals("note", card.note);
+        assertEquals("12345", card.cardId);
+        assertEquals("type", card.barcodeType);
+        assertNull(card.headerColor);
+        assertNull(card.headerTextColor);
+    }
+
+    @Test
+    public void importWithoutInvalidColors() 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 + "\n";
+        csvText += "1,store,note,12345,type,not a number,invalid";
+
+        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(false, result);
+        assertEquals(0, db.getLoyaltyCardCount());
+    }
 }

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

@@ -1,7 +1,10 @@
 package protect.card_locker;
 
 import android.app.Activity;
+import android.content.SharedPreferences;
 import android.database.Cursor;
+import android.graphics.Color;
+import android.preference.PreferenceManager;
 import android.view.View;
 import android.widget.TextView;
 
@@ -22,12 +25,22 @@ public class LoyaltyCardCursorAdapterTest
 {
     private Activity activity;
     private DBHelper db;
+    private SharedPreferences settings;
 
     @Before
     public void setUp()
     {
         activity = Robolectric.setupActivity(MainActivity.class);
         db = new DBHelper(activity);
+        settings = PreferenceManager.getDefaultSharedPreferences(activity);
+    }
+
+    private void setFontSizes(int storeFontSize, int noteFontSize)
+    {
+        settings.edit()
+            .putInt(activity.getResources().getString(R.string.settings_key_card_title_list_font_size), storeFontSize)
+            .putInt(activity.getResources().getString(R.string.settings_key_card_note_list_font_size), noteFontSize)
+            .apply();
     }
 
     private View createView(Cursor cursor)
@@ -40,12 +53,21 @@ public class LoyaltyCardCursorAdapterTest
         return view;
     }
 
-    private void checkView(final View view, final String store, final String note)
+    private void checkView(final View view, final String store, final String note, boolean checkFontSizes)
     {
         final TextView storeField = view.findViewById(R.id.store);
-        assertEquals(store, storeField.getText().toString());
-
         final TextView noteField = view.findViewById(R.id.note);
+
+        if(checkFontSizes)
+        {
+            int storeFontSize = settings.getInt(activity.getResources().getString(R.string.settings_key_card_title_list_font_size), 0);
+            int noteFontSize = settings.getInt(activity.getResources().getString(R.string.settings_key_card_note_list_font_size), 0);
+
+            assertEquals(storeFontSize, (int)storeField.getTextSize());
+            assertEquals(noteFontSize, (int)noteField.getTextSize());
+        }
+
+        assertEquals(store, storeField.getText().toString());
         if(note.isEmpty() == false)
         {
             assertEquals(View.VISIBLE, noteField.getVisibility());
@@ -61,7 +83,7 @@ public class LoyaltyCardCursorAdapterTest
     @Test
     public void TestCursorAdapterEmptyNote()
     {
-        db.insertLoyaltyCard("store", "", "cardId", BarcodeFormat.UPC_A.toString());
+        db.insertLoyaltyCard("store", "", "cardId", BarcodeFormat.UPC_A.toString(), Color.BLACK, Color.WHITE);
         LoyaltyCard card = db.getLoyaltyCard(1);
 
         Cursor cursor = db.getLoyaltyCardCursor();
@@ -69,13 +91,13 @@ public class LoyaltyCardCursorAdapterTest
 
         View view = createView(cursor);
 
-        checkView(view, card.store, card.note);
+        checkView(view, card.store, card.note, false);
     }
 
     @Test
     public void TestCursorAdapterWithNote()
     {
-        db.insertLoyaltyCard("store", "note", "cardId", BarcodeFormat.UPC_A.toString());
+        db.insertLoyaltyCard("store", "note", "cardId", BarcodeFormat.UPC_A.toString(), Color.BLACK, Color.WHITE);
         LoyaltyCard card = db.getLoyaltyCard(1);
 
         Cursor cursor = db.getLoyaltyCardCursor();
@@ -83,6 +105,24 @@ public class LoyaltyCardCursorAdapterTest
 
         View view = createView(cursor);
 
-        checkView(view, card.store, card.note);
+        checkView(view, card.store, card.note, false);
+    }
+
+    @Test
+    public void TestCursorAdapterFontSizes()
+    {
+        db.insertLoyaltyCard("store", "note", "cardId", BarcodeFormat.UPC_A.toString(), Color.BLACK, Color.WHITE);
+        LoyaltyCard card = db.getLoyaltyCard(1);
+
+        Cursor cursor = db.getLoyaltyCardCursor();
+        cursor.moveToFirst();
+
+        setFontSizes(1, 2);
+        View view = createView(cursor);
+        checkView(view, card.store, card.note, true);
+
+        setFontSizes(30, 31);
+        view = createView(cursor);
+        checkView(view, card.store, card.note, true);
     }
 }

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

@@ -2,10 +2,14 @@ package protect.card_locker;
 
 import android.app.Activity;
 import android.content.Intent;
+import android.content.SharedPreferences;
 import android.content.pm.ActivityInfo;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.ResolveInfo;
+import android.graphics.Color;
 import android.os.Bundle;
+import android.preference.PreferenceManager;
+import android.support.v4.widget.TextViewCompat;
 import android.view.Menu;
 import android.view.View;
 import android.widget.Button;
@@ -29,7 +33,6 @@ import org.robolectric.android.controller.ActivityController;
 
 import java.io.IOException;
 
-import static junit.framework.Assert.assertNull;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertTrue;
@@ -123,6 +126,8 @@ public class LoyaltyCardViewActivityTest
         assertEquals(note, card.note);
         assertEquals(cardId, card.cardId);
         assertEquals(barcodeType, card.barcodeType);
+        assertNotNull(card.headerColor);
+        assertNotNull(card.headerTextColor);
     }
 
     /**
@@ -185,13 +190,10 @@ public class LoyaltyCardViewActivityTest
         {
             int captureVisibility = (mode == ViewMode.UPDATE_CARD || mode == ViewMode.ADD_CARD) ? View.VISIBLE : View.GONE;
 
-            int viewVisibility = View.GONE;
             int editVisibility = View.VISIBLE;
 
             checkFieldProperties(activity, R.id.storeNameEdit, editVisibility, store);
-            checkFieldProperties(activity, R.id.storeNameView, viewVisibility, store);
             checkFieldProperties(activity, R.id.noteEdit, editVisibility, note);
-            checkFieldProperties(activity, R.id.noteView, viewVisibility, note);
             checkFieldProperties(activity, R.id.cardIdView, View.VISIBLE, cardId);
             checkFieldProperties(activity, R.id.cardIdDivider, cardId.isEmpty() ? View.GONE : View.VISIBLE, null);
             checkFieldProperties(activity, R.id.cardIdTableRow, cardId.isEmpty() ? View.GONE : View.VISIBLE, null);
@@ -357,7 +359,7 @@ public class LoyaltyCardViewActivityTest
         Activity activity = (Activity)activityController.get();
         DBHelper db = new DBHelper(activity);
 
-        db.insertLoyaltyCard("store", "note", BARCODE_DATA, BARCODE_TYPE);
+        db.insertLoyaltyCard("store", "note", BARCODE_DATA, BARCODE_TYPE, Color.BLACK, Color.WHITE);
 
         activityController.start();
         activityController.visible();
@@ -373,7 +375,7 @@ public class LoyaltyCardViewActivityTest
         Activity activity = (Activity)activityController.get();
         DBHelper db = new DBHelper(activity);
 
-        db.insertLoyaltyCard("store", "note", BARCODE_DATA, BARCODE_TYPE);
+        db.insertLoyaltyCard("store", "note", BARCODE_DATA, BARCODE_TYPE, Color.BLACK, Color.WHITE);
 
         activityController.start();
         activityController.visible();
@@ -389,7 +391,7 @@ public class LoyaltyCardViewActivityTest
         Activity activity = (Activity)activityController.get();
         DBHelper db = new DBHelper(activity);
 
-        db.insertLoyaltyCard("store", "note", EAN_BARCODE_DATA, EAN_BARCODE_TYPE);
+        db.insertLoyaltyCard("store", "note", EAN_BARCODE_DATA, EAN_BARCODE_TYPE, Color.BLACK, Color.WHITE);
 
         activityController.start();
         activityController.visible();
@@ -410,7 +412,7 @@ public class LoyaltyCardViewActivityTest
         Activity activity = (Activity)activityController.get();
         DBHelper db = new DBHelper(activity);
 
-        db.insertLoyaltyCard("store", "note", EAN_BARCODE_DATA, EAN_BARCODE_TYPE);
+        db.insertLoyaltyCard("store", "note", EAN_BARCODE_DATA, EAN_BARCODE_TYPE, Color.BLACK, Color.WHITE);
 
         activityController.start();
         activityController.visible();
@@ -436,7 +438,7 @@ public class LoyaltyCardViewActivityTest
         Activity activity = (Activity)activityController.get();
         DBHelper db = new DBHelper(activity);
 
-        db.insertLoyaltyCard("store", "note", BARCODE_DATA, BARCODE_TYPE);
+        db.insertLoyaltyCard("store", "note", BARCODE_DATA, BARCODE_TYPE, Color.BLACK, Color.WHITE);
 
         activityController.start();
         activityController.visible();
@@ -479,7 +481,7 @@ public class LoyaltyCardViewActivityTest
 
         Activity activity = (Activity)activityController.get();
         DBHelper db = new DBHelper(activity);
-        db.insertLoyaltyCard("store", "note", BARCODE_DATA, BARCODE_TYPE);
+        db.insertLoyaltyCard("store", "note", BARCODE_DATA, BARCODE_TYPE, Color.BLACK, Color.WHITE);
 
         activityController.start();
         activityController.visible();
@@ -489,4 +491,79 @@ public class LoyaltyCardViewActivityTest
         shadowOf(activity).clickMenuItem(android.R.id.home);
         assertEquals(true, activity.isFinishing());
     }
+
+    @Test
+    public void startWithoutColors()
+    {
+        ActivityController activityController = createActivityWithLoyaltyCard(false);
+
+        Activity activity = (Activity)activityController.get();
+        DBHelper db = new DBHelper(activity);
+        db.insertLoyaltyCard("store", "note", BARCODE_DATA, BARCODE_TYPE, null, null);
+
+        activityController.start();
+        activityController.visible();
+        activityController.resume();
+
+        assertEquals(false, activity.isFinishing());
+        shadowOf(activity).clickMenuItem(android.R.id.home);
+        assertEquals(true, activity.isFinishing());
+    }
+
+    @Test
+    public void startLoyaltyCardWithoutColorsSave() throws IOException
+    {
+        ActivityController activityController = createActivityWithLoyaltyCard(true);
+
+        Activity activity = (Activity)activityController.get();
+        DBHelper db = new DBHelper(activity);
+        db.insertLoyaltyCard("store", "note", BARCODE_DATA, BARCODE_TYPE, null, null);
+
+        activityController.start();
+        activityController.visible();
+        activityController.resume();
+
+        // Save and check the gift card
+        saveLoyaltyCardWithArguments(activity, "store", "note", BARCODE_DATA, BARCODE_TYPE, false);
+    }
+
+    @Test
+    public void startCheckFontSizes()
+    {
+        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);
+
+        final int STORE_FONT_SIZE = 50;
+        final int CARD_FONT_SIZE = 40;
+        final int NOTE_FONT_SIZE = 30;
+
+        SharedPreferences settings = PreferenceManager.getDefaultSharedPreferences(activity);
+        settings.edit()
+            .putInt(activity.getResources().getString(R.string.settings_key_card_title_font_size), STORE_FONT_SIZE)
+            .putInt(activity.getResources().getString(R.string.settings_key_card_id_font_size), CARD_FONT_SIZE)
+            .putInt(activity.getResources().getString(R.string.settings_key_card_note_font_size), NOTE_FONT_SIZE)
+            .apply();
+
+        activityController.start();
+        activityController.visible();
+        activityController.resume();
+
+        assertEquals(false, activity.isFinishing());
+
+        TextView storeName = activity.findViewById(R.id.storeName);
+        TextView cardIdFieldView = activity.findViewById(R.id.cardIdView);
+        TextView noteView = activity.findViewById(R.id.noteView);
+
+        TextViewCompat.getAutoSizeMaxTextSize(storeName);
+        TextViewCompat.getAutoSizeMaxTextSize(storeName);
+        assertEquals(STORE_FONT_SIZE, (int)storeName.getTextSize());
+        assertEquals(CARD_FONT_SIZE, TextViewCompat.getAutoSizeMaxTextSize(cardIdFieldView));
+        assertEquals(NOTE_FONT_SIZE, TextViewCompat.getAutoSizeMaxTextSize(noteView));
+
+        shadowOf(activity).clickMenuItem(android.R.id.home);
+        assertEquals(true, activity.isFinishing());
+    }
 }

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

@@ -6,6 +6,7 @@ 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 android.view.Menu;
 import android.view.View;
@@ -65,12 +66,13 @@ public class MainActivityTest
         assertTrue(menu != null);
 
         // The settings and add button should be present
-        assertEquals(menu.size(), 4);
+        assertEquals(menu.size(), 5);
 
         assertEquals("Add", menu.findItem(R.id.action_add).getTitle().toString());
         assertEquals("Import/Export", menu.findItem(R.id.action_import_export).getTitle().toString());
         assertEquals("Start Intro", menu.findItem(R.id.action_intro).getTitle().toString());
         assertEquals("About", menu.findItem(R.id.action_about).getTitle().toString());
+        assertEquals("Settings", menu.findItem(R.id.action_settings).getTitle().toString());
     }
 
     @Test
@@ -101,7 +103,7 @@ public class MainActivityTest
         assertEquals(0, list.getCount());
 
         DBHelper db = new DBHelper(mainActivity);
-        db.insertLoyaltyCard("store", "note", "cardId", BarcodeFormat.UPC_A.toString());
+        db.insertLoyaltyCard("store", "note", "cardId", BarcodeFormat.UPC_A.toString(), Color.BLACK, Color.WHITE);
 
         assertEquals(View.VISIBLE, helpText.getVisibility());
         assertEquals(View.GONE, list.getVisibility());