feat: split complex loyaltyCardViewActivity

app/src/main/AndroidManifest.xml

@@ -94,7 +94,7 @@
             android:theme="@style/AppTheme.NoActionBar"
             android:windowSoftInputMode="adjustResize"/>
         <activity
-            android:name=".LoyaltyCardViewActivity"
+            android:name=".cardview.LoyaltyCardViewActivity"
             android:exported="true"
             android:theme="@style/AppTheme.NoActionBar" />
         <activity

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

@@ -57,7 +57,7 @@ public class BarcodeImageWriterTask implements CompatCallable<Bitmap> {
     private final boolean showFallback;
     private final BarcodeImageWriterResultCallback callback;
 
-    BarcodeImageWriterTask(
+    public BarcodeImageWriterTask(
             Context context, ImageView imageView, String cardIdString,
             CatimaBarcode barcodeFormat, @NonNull Charset barcodeEncoding, TextView textView,
             boolean showFallback, BarcodeImageWriterResultCallback callback, boolean roundCornerPadding, boolean isFullscreen

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

@@ -22,6 +22,8 @@
 import java.util.concurrent.Flow;
 import java.util.function.Consumer;
 
+import protect.card_locker.cardview.LoyaltyCardViewActivity;
+
 @RequiresApi(Build.VERSION_CODES.R)
 public class CardsOnPowerScreenService extends ControlsProviderService {
 

app/src/main/java/protect/card_locker/ListWidget.kt

@@ -13,6 +13,7 @@ import android.view.View
 import android.widget.RemoteViews
 import androidx.core.widget.RemoteViewsCompat
 import protect.card_locker.DBHelper.LoyaltyCardArchiveFilter
+import protect.card_locker.cardview.LoyaltyCardViewActivity
 
 class ListWidget : AppWidgetProvider() {
     fun updateAll(context: Context) {
@@ -129,4 +130,4 @@ class ListWidget : AppWidgetProvider() {
 
         return remoteViews
     }
-}
+}

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

@@ -719,6 +719,14 @@ public void handleOnBackPressed() {
         });
     }
 
+    @Override
+    protected void onDestroy() {
+        if (mDatabase != null && mDatabase.isOpen()) {
+            mDatabase.close();
+        }
+        super.onDestroy();
+    }
+
     private void selectTab(int index) {
         binding.tabs.selectTab(binding.tabs.getTabAt(index));
         viewModel.setTabIndex(index);

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

@@ -31,6 +31,7 @@ import com.google.android.material.tabs.TabLayout.OnTabSelectedListener
 import protect.card_locker.DBHelper.LoyaltyCardOrder
 import protect.card_locker.DBHelper.LoyaltyCardOrderDirection
 import protect.card_locker.LoyaltyCardCursorAdapter.CardAdapterListener
+import protect.card_locker.cardview.LoyaltyCardViewActivity
 import protect.card_locker.databinding.ContentMainBinding
 import protect.card_locker.databinding.MainActivityBinding
 import protect.card_locker.databinding.SortingOptionBinding

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

@@ -19,7 +19,9 @@
 import java.util.Collections;
 import java.util.LinkedList;
 
-class ShortcutHelper {
+import protect.card_locker.cardview.LoyaltyCardViewActivity;
+
+public class ShortcutHelper {
     /**
      * This variable controls the maximum number of shortcuts available.
      * It is made public only to make testing easier and should not be
@@ -43,33 +45,36 @@ class ShortcutHelper {
      * based on the lastUsed field. Archived cards are excluded from the shortcuts
      * list. The list keeps at most maxShortcuts number of elements.
      */
-    static void updateShortcuts(Context context) {
+    public static void updateShortcuts(Context context) {
         if (maxShortcuts == -1) {
             maxShortcuts = ShortcutManagerCompat.getMaxShortcutCountPerActivity(context);
         }
         LinkedList<ShortcutInfoCompat> finalList = new LinkedList<>();
-        SQLiteDatabase database = new DBHelper(context).getReadableDatabase();
-        Cursor loyaltyCardCursor = DBHelper.getLoyaltyCardCursor(
+        DBHelper dbHelper = new DBHelper(context);
+        SQLiteDatabase database = dbHelper.getReadableDatabase();
+        try (Cursor loyaltyCardCursor = DBHelper.getLoyaltyCardCursor(
                 database,
                 "",
                 null,
                 DBHelper.LoyaltyCardOrder.LastUsed,
                 DBHelper.LoyaltyCardOrderDirection.Ascending,
                 DBHelper.LoyaltyCardArchiveFilter.Unarchived
-        );
-
-        int rank = 0;
-
-        while (rank < maxShortcuts && loyaltyCardCursor.moveToNext()) {
-            int id = loyaltyCardCursor.getInt(loyaltyCardCursor.getColumnIndexOrThrow(DBHelper.LoyaltyCardDbIds.ID));
-            LoyaltyCard loyaltyCard = DBHelper.getLoyaltyCard(context, database, id);
-
-            ShortcutInfoCompat updatedShortcut = createShortcutBuilder(context, loyaltyCard)
-                    .setRank(rank)
-                    .build();
-
-            finalList.addLast(updatedShortcut);
-            rank++;
+        )) {
+            int rank = 0;
+
+            while (rank < maxShortcuts && loyaltyCardCursor.moveToNext()) {
+                int id = loyaltyCardCursor.getInt(loyaltyCardCursor.getColumnIndexOrThrow(DBHelper.LoyaltyCardDbIds.ID));
+                LoyaltyCard loyaltyCard = DBHelper.getLoyaltyCard(context, database, id);
+
+                ShortcutInfoCompat updatedShortcut = createShortcutBuilder(context, loyaltyCard)
+                        .setRank(rank)
+                        .build();
+
+                finalList.addLast(updatedShortcut);
+                rank++;
+            }
+        } finally {
+            dbHelper.close();
         }
 
         ShortcutManagerCompat.setDynamicShortcuts(context, finalList);

app/src/main/java/protect/card_locker/cardview/LoyaltyCardImageNavigator.java

@@ -0,0 +1,103 @@
+package protect.card_locker.cardview;
+
+import java.util.ArrayList;
+import java.util.List;
+
+final class LoyaltyCardImageNavigator {
+    private final List<LoyaltyCardImageType> imageTypes;
+    private int currentIndex;
+
+    LoyaltyCardImageNavigator(List<LoyaltyCardImageType> imageTypes, int currentIndex) {
+        this.imageTypes = new ArrayList<>(imageTypes);
+        this.currentIndex = clampIndex(currentIndex);
+    }
+
+    LoyaltyCardImageType getCurrent() {
+        if (isEmpty()) {
+            return LoyaltyCardImageType.NONE;
+        }
+        return imageTypes.get(currentIndex);
+    }
+
+    boolean isEmpty() {
+        return imageTypes.isEmpty();
+    }
+
+    int size() {
+        return imageTypes.size();
+    }
+
+    boolean remove(LoyaltyCardImageType type) {
+        int removedIndex = imageTypes.indexOf(type);
+        if (removedIndex == -1) {
+            return false;
+        }
+
+        imageTypes.remove(removedIndex);
+        currentIndex = clampIndex(currentIndex);
+        return true;
+    }
+
+    boolean canGoPrevious() {
+        return currentIndex > 0;
+    }
+
+    boolean canGoNext() {
+        return currentIndex < imageTypes.size() - 1;
+    }
+
+    boolean movePrevious() {
+        if (!canGoPrevious()) {
+            return false;
+        }
+        currentIndex--;
+        return true;
+    }
+
+    boolean moveNext(boolean overflow) {
+        if (isEmpty()) {
+            return false;
+        }
+        if (canGoNext()) {
+            currentIndex++;
+            return true;
+        }
+        if (overflow) {
+            currentIndex = 0;
+            return true;
+        }
+        return false;
+    }
+
+    int getCurrentIndex() {
+        return currentIndex;
+    }
+
+    LoyaltyCardImageType peekNext(boolean overflow) {
+        if (isEmpty()) {
+            return LoyaltyCardImageType.NONE;
+        }
+
+        if (canGoNext()) {
+            return imageTypes.get(currentIndex + 1);
+        }
+
+        return overflow ? imageTypes.get(0) : getCurrent();
+    }
+
+    private int clampIndex(int index) {
+        if (imageTypes.isEmpty()) {
+            return 0;
+        }
+
+        return Math.max(0, Math.min(index, imageTypes.size() - 1));
+    }
+}
+
+enum LoyaltyCardImageType {
+    NONE,
+    ICON,
+    BARCODE,
+    IMAGE_FRONT,
+    IMAGE_BACK
+}