add internal preference for custom storage locations

app/src/main/java/com/dkanada/gramophone/glide/CustomGlideModule.java

@@ -23,7 +23,7 @@ import java.io.File;
 public class CustomGlideModule extends AppGlideModule {
     @Override
     public void applyOptions(@NonNull Context context, GlideBuilder builder) {
-        File cacheDir = new File(context.getCacheDir(), "glide");
+        File cacheDir = new File(PreferenceUtil.getInstance(context).getLocationCache(), "glide");
         int size = PreferenceUtil.getInstance(context).getImageCacheSize();
 
         builder.setDiskCache(new DiskLruCacheFactory(() -> cacheDir, size));

app/src/main/java/com/dkanada/gramophone/service/DownloadService.java

@@ -11,6 +11,7 @@ import com.dkanada.gramophone.BuildConfig;
 import com.dkanada.gramophone.database.Cache;
 import com.dkanada.gramophone.model.Song;
 import com.dkanada.gramophone.util.MusicUtil;
+import com.dkanada.gramophone.util.PreferenceUtil;
 
 import java.io.File;
 import java.io.FileInputStream;
@@ -51,7 +52,9 @@ public class DownloadService extends Service {
             try {
                 URL url = new URL(MusicUtil.getDownloadUri(song));
                 URLConnection connection = url.openConnection();
-                File download = new File(getCacheDir(), "download/" + song.id);
+
+                String cache = PreferenceUtil.getInstance(App.getInstance()).getLocationCache();
+                File download = new File(cache, "download/" + song.id);
                 File audio = new File(MusicUtil.getFileUri(song));
 
                 download.getParentFile().mkdirs();

app/src/main/java/com/dkanada/gramophone/service/playback/LocalPlayer.java

@@ -90,7 +90,7 @@ public class LocalPlayer implements Playback {
         LeastRecentlyUsedCacheEvictor recentlyUsedCache = new LeastRecentlyUsedCacheEvictor(cacheSize);
         ExoDatabaseProvider databaseProvider = new ExoDatabaseProvider(context);
 
-        File cacheDirectory = new File(context.getCacheDir(), "exoplayer");
+        File cacheDirectory = new File(PreferenceUtil.getInstance(context).getLocationCache(), "exoplayer");
         simpleCache = new SimpleCache(cacheDirectory, recentlyUsedCache, databaseProvider);
     }
 

app/src/main/java/com/dkanada/gramophone/util/MusicUtil.java

@@ -84,7 +84,7 @@ public class MusicUtil {
     }
 
     public static String getFileUri(Song song) {
-        File root = new File(App.getInstance().getCacheDir(), "music");
+        File root = new File(PreferenceUtil.getInstance(App.getInstance()).getLocationDownload(), "music");
 
         String path = "/" + song.artistName + "/" + song.albumName + "/";
         String name = song.discNumber + "." + song.trackNumber + " - " + song.title + "." + song.container;

app/src/main/java/com/dkanada/gramophone/util/PreferenceUtil.java

@@ -81,23 +81,27 @@ public final class PreferenceUtil {
     public static final String REMEMBER_SHUFFLE = "remember_shuffle";
     public static final String REMEMBER_QUEUE = "remember_queue";
 
+    public static final String LOCATION_DOWNLOAD = "location_download";
+    public static final String LOCATION_CACHE = "location_cache";
     public static final String IMAGE_CACHE_SIZE = "image_cache_size";
     public static final String MEDIA_CACHE_SIZE = "media_cache_size";
 
-    private static PreferenceUtil sInstance;
+    private static PreferenceUtil instance;
 
     private final SharedPreferences mPreferences;
+    private final Context mContext;
 
     private PreferenceUtil(final Context context) {
         mPreferences = PreferenceManager.getDefaultSharedPreferences(context);
+        mContext = context;
     }
 
     public static PreferenceUtil getInstance(final Context context) {
-        if (sInstance == null) {
+        if (instance == null) {
-            sInstance = new PreferenceUtil(context.getApplicationContext());
+            instance = new PreferenceUtil(context.getApplicationContext());
         }
 
-        return sInstance;
+        return instance;
     }
 
     public void registerOnSharedPreferenceChangedListener(SharedPreferences.OnSharedPreferenceChangeListener sharedPreferenceChangeListener) {
@@ -163,32 +167,14 @@ public final class PreferenceUtil {
         return mPreferences.getBoolean(COLORED_NOTIFICATION, true);
     }
 
-    public void setColoredNotification(final boolean value) {
-        final SharedPreferences.Editor editor = mPreferences.edit();
-        editor.putBoolean(COLORED_NOTIFICATION, value);
-        editor.apply();
-    }
-
     public final boolean getClassicNotification() {
         return mPreferences.getBoolean(CLASSIC_NOTIFICATION, Build.VERSION.SDK_INT <= Build.VERSION_CODES.O);
     }
 
-    public void setClassicNotification(final boolean value) {
-        final SharedPreferences.Editor editor = mPreferences.edit();
-        editor.putBoolean(CLASSIC_NOTIFICATION, value);
-        editor.apply();
-    }
-
     public final boolean getColoredShortcuts() {
         return mPreferences.getBoolean(COLORED_SHORTCUTS, true);
     }
 
-    public void setColoredShortcuts(final boolean value) {
-        final SharedPreferences.Editor editor = mPreferences.edit();
-        editor.putBoolean(COLORED_SHORTCUTS, value);
-        editor.apply();
-    }
-
     public final String getTranscodeCodec() {
         return mPreferences.getString(TRANSCODE_CODEC, "aac");
     }
@@ -387,6 +373,14 @@ public final class PreferenceUtil {
         editor.apply();
     }
 
+    public final String getLocationDownload() {
+        return mPreferences.getString(LOCATION_DOWNLOAD, mContext.getCacheDir().toString());
+    }
+
+    public final String getLocationCache() {
+        return mPreferences.getString(LOCATION_CACHE, mContext.getCacheDir().toString());
+    }
+
     public final int getImageCacheSize() {
         return Integer.parseInt(mPreferences.getString(IMAGE_CACHE_SIZE, "400000000"));
     }