change application id for release

app/src/main/java/com/dkanada/gramophone/loader/SongLoader.java

@@ -0,0 +1,111 @@
+package com.dkanada.gramophone.loader;
+
+import android.content.Context;
+import android.database.Cursor;
+import android.provider.BaseColumns;
+import android.provider.MediaStore;
+import android.provider.MediaStore.Audio.AudioColumns;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
+import com.dkanada.gramophone.model.Song;
+import com.dkanada.gramophone.util.PreferenceUtil;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class SongLoader {
+    public static final String QUEUE_PRIMARY = "image";
+    public static final String QUEUE_FAVORITE = "favorite";
+
+    protected static final String BASE_SELECTION = AudioColumns.IS_MUSIC + "=1" + " AND " + AudioColumns.TITLE + " != ''";
+    protected static final String[] BASE_PROJECTION = new String[]{
+            BaseColumns._ID,
+            AudioColumns.TITLE,
+            AudioColumns.TRACK,
+            AudioColumns.YEAR,
+            AudioColumns.DURATION,
+            AudioColumns.ALBUM_ID,
+            AudioColumns.ALBUM,
+            AudioColumns.ARTIST_ID,
+            AudioColumns.ARTIST,
+            QUEUE_PRIMARY,
+            QUEUE_FAVORITE,
+    };
+
+    @NonNull
+    public static List<Song> getAllSongs(@NonNull Context context) {
+        Cursor cursor = makeSongCursor(context, null, null);
+        return getSongs(cursor);
+    }
+
+    @NonNull
+    public static List<Song> getSongs(@Nullable final Cursor cursor) {
+        List<Song> songs = new ArrayList<>();
+        if (cursor != null && cursor.moveToFirst()) {
+            do {
+                songs.add(getSongFromCursorImpl(cursor));
+            } while (cursor.moveToNext());
+        }
+
+        if (cursor != null) cursor.close();
+        return songs;
+    }
+
+    @NonNull
+    public static Song getSong(@Nullable Cursor cursor) {
+        Song song;
+        if (cursor != null && cursor.moveToFirst()) {
+            song = getSongFromCursorImpl(cursor);
+        } else {
+            song = Song.EMPTY_SONG;
+        }
+
+        if (cursor != null) {
+            cursor.close();
+        }
+
+        return song;
+    }
+
+    @NonNull
+    private static Song getSongFromCursorImpl(@NonNull Cursor cursor) {
+        final String id = cursor.getString(0);
+        final String title = cursor.getString(1);
+        final int trackNumber = cursor.getInt(2);
+        final int year = cursor.getInt(3);
+        final long duration = cursor.getLong(4);
+
+        final String albumId = cursor.getString(5);
+        final String albumName = cursor.getString(6);
+
+        final String artistId = cursor.getString(7);
+        final String artistName = cursor.getString(8);
+
+        final String primary = cursor.getString(9);
+        final boolean favorite = Boolean.valueOf(cursor.getString(10));
+
+        return new Song(id, title, trackNumber, year, duration, albumId, albumName, artistId, artistName, primary, favorite);
+    }
+
+    @Nullable
+    public static Cursor makeSongCursor(@NonNull final Context context, @Nullable final String selection, final String[] selectionValues) {
+        return makeSongCursor(context, selection, selectionValues, PreferenceUtil.getInstance(context).getSongSortOrder());
+    }
+
+    @Nullable
+    public static Cursor makeSongCursor(@NonNull final Context context, @Nullable String selection, String[] selectionValues, final String sortOrder) {
+        if (selection != null && !selection.trim().equals("")) {
+            selection = BASE_SELECTION + " AND " + selection;
+        } else {
+            selection = BASE_SELECTION;
+        }
+
+        try {
+            return context.getContentResolver().query(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
+                    BASE_PROJECTION, selection, selectionValues, sortOrder);
+        } catch (SecurityException e) {
+            return null;
+        }
+    }
+}