gradle: dependencies update

fix: check if children exist before adding

.github/workflows/github_release.yml

@@ -6,19 +6,15 @@ on:
       - '[0-9]+.[0-9]+.[0-9]+'
 
 jobs:
-  setup:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Setup JDK 8
-        uses: actions/setup-java@v3
-        with:
-          distribution: 'temurin'
-          java-version: 8
-
   build:
-    needs: setup
     runs-on: ubuntu-latest
     steps:
+      - name: Setup JDK 17
+        uses: actions/setup-java@v2
+        with:
+          distribution: 'zulu'
+          java-version: '17'
+
       - uses: actions/checkout@v3
 
       - name: Cache Gradle and wrapper

.idea/gradle.xml

@@ -7,7 +7,7 @@
         <option name="testRunner" value="GRADLE" />
         <option name="distributionType" value="DEFAULT_WRAPPED" />
         <option name="externalProjectPath" value="$PROJECT_DIR$" />
-        <option name="gradleJvm" value="11" />
+        <option name="gradleJvm" value="17" />
         <option name="modules">
           <set>
             <option value="$PROJECT_DIR$" />

.idea/misc.xml

@@ -191,7 +191,7 @@
       </map>
     </option>
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" project-jdk-name="jbr-17" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" default="true" project-jdk-name="17" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">

README.md

@@ -33,12 +33,8 @@ Tempo does not rely on magic algorithms to decide what you should listen to. Ins
     <img src="mockup/feat/6_screenshot.png" width=200>
     <img src="mockup/feat/7_screenshot.png" width=200>
     <img src="mockup/feat/8_screenshot.png" width=200>
-    <img src="mockup/feat/9_screenshot.png" width=200>
 </p>
 
-## Disclaimer
-Tempo is currently under active development and is in alpha state. This means that the app may contain stability issues, bugs, or incomplete features. While we strive to provide a smooth and reliable experience, please be aware that using Tempo in its current state may not be as stable as a fully released version. I appreciate your understanding and patience as I work towards improving the app.
-
 ## Sponsors
 Tempo is an open-source project developed and maintained solely by me. I would like to express my heartfelt thanks to all the users who have shown their love and support for Tempo. Your contributions and encouragement mean a lot to me, and they help drive the development and improvement of the app.
 

app/build.gradle

@@ -3,8 +3,8 @@ apply plugin: 'kotlin-android'
 apply plugin: 'kotlin-parcelize'
 
 android {
-    compileSdkVersion 34
-    buildToolsVersion '33.0.0'
+    compileSdk 34
+    buildToolsVersion "34.0.0"
 
     defaultConfig {
         minSdkVersion 24
@@ -28,8 +28,8 @@ android {
         tempo {
             dimension "default"
             applicationId 'com.cappielloantonio.tempo'
-            versionCode 16
-            versionName '3.5.0'
+            versionCode 17
+            versionName '3.5.2'
         }
 
         notquitemy {
@@ -77,22 +77,23 @@ dependencies {
     implementation 'androidx.recyclerview:recyclerview:1.3.1'
     implementation 'androidx.room:room-runtime:2.5.2'
     implementation 'androidx.core:core-splashscreen:1.0.1'
+    implementation "androidx.appcompat:appcompat:1.6.1"
 
     // Android Material
     implementation 'com.google.android.material:material:1.9.0'
 
     // Glide
-    implementation 'com.github.bumptech.glide:glide:4.15.1'
-    implementation 'com.github.bumptech.glide:annotations:4.15.1'
+    implementation 'com.github.bumptech.glide:glide:4.16.0'
+    implementation 'com.github.bumptech.glide:annotations:4.16.0'
 
     // Media3
-    implementation 'androidx.media3:media3-session:1.1.0'
-    implementation 'androidx.media3:media3-common:1.1.0'
-    implementation 'androidx.media3:media3-exoplayer:1.1.0'
-    implementation 'androidx.media3:media3-ui:1.1.0'
-    tempoImplementation 'androidx.media3:media3-cast:1.1.0'
+    implementation 'androidx.media3:media3-session:1.1.1'
+    implementation 'androidx.media3:media3-common:1.1.1'
+    implementation 'androidx.media3:media3-exoplayer:1.1.1'
+    implementation 'androidx.media3:media3-ui:1.1.1'
+    tempoImplementation 'androidx.media3:media3-cast:1.1.1'
 
-    annotationProcessor 'com.github.bumptech.glide:compiler:4.15.1'
+    annotationProcessor 'com.github.bumptech.glide:compiler:4.16.0'
     annotationProcessor 'androidx.room:room-compiler:2.5.2'
 
     // Retrofit

app/src/main/AndroidManifest.xml

@@ -1,54 +1,71 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
 
-    <uses-permission android:name="android.permission.INTERNET"/>
-    <uses-permission android:name="android.permission.FOREGROUND_SERVICE"/>
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
     <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
-    <uses-permission android:name="android.permission.WAKE_LOCK"/>
-    <uses-permission android:name="android.permission.POST_NOTIFICATIONS"/>
+    <uses-permission android:name="android.permission.WAKE_LOCK" />
+    <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE_MEDIA_PLAYBACK" />
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE_DATA_SYNC" />
 
     <application
         android:name="App"
+        android:allowBackup="false"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
+        android:localeConfig="@xml/locale_config"
         android:roundIcon="@mipmap/ic_launcher"
         android:supportsRtl="true"
         android:theme="@style/AppTheme.SplashScreen"
-        android:usesCleartextTraffic="true"
-        android:allowBackup="false">
+        android:usesCleartextTraffic="true">
 
         <meta-data
             android:name="com.google.android.gms.cast.framework.OPTIONS_PROVIDER_CLASS_NAME"
-            android:value="androidx.media3.cast.DefaultCastOptionsProvider"/>
+            android:value="androidx.media3.cast.DefaultCastOptionsProvider" />
+
+        <meta-data
+            android:name="androidx.car.app.TintableAttributionIcon"
+            android:resource="@drawable/ic_graphic_eq" />
 
         <activity
             android:name=".ui.activity.MainActivity"
-            android:windowSoftInputMode="adjustPan|adjustResize"
-            android:exported="true">
+            android:exported="true"
+            android:windowSoftInputMode="adjustPan|adjustResize">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+
         <service
             android:name=".service.MediaService"
-            android:foregroundServiceType="mediaPlayback"
-            android:exported="true">
+            android:exported="true"
+            android:foregroundServiceType="mediaPlayback">
             <intent-filter>
                 <action android:name="androidx.media3.session.MediaLibraryService" />
                 <action android:name="androidx.media3.session.MediaBrowserService" />
             </intent-filter>
         </service>
-        <service android:name=".service.DownloaderService"
-            android:foregroundServiceType="dataSync"
-            android:exported="true">
+
+        <service
+            android:name=".service.DownloaderService"
+            android:exported="true"
+            android:foregroundServiceType="dataSync">
             <intent-filter>
-                <action android:name="androidx.media3.exoplayer.downloadService.action.RESTART"/>
-                <category android:name="android.intent.category.DEFAULT"/>
+                <action android:name="androidx.media3.exoplayer.downloadService.action.RESTART" />
+                <category android:name="android.intent.category.DEFAULT" />
             </intent-filter>
         </service>
+
+        <service
+            android:name="androidx.appcompat.app.AppLocalesMetadataHolderService"
+            android:enabled="false"
+            android:exported="false">
+            <meta-data
+                android:name="autoStoreLocales"
+                android:value="true" />
+        </service>
     </application>
 </manifest>

app/src/main/java/com/cappielloantonio/tempo/glide/CustomGlideRequest.java

@@ -16,6 +16,7 @@ import com.bumptech.glide.request.RequestOptions;
 import com.bumptech.glide.signature.ObjectKey;
 import com.cappielloantonio.tempo.App;
 import com.cappielloantonio.tempo.util.Preferences;
+import com.cappielloantonio.tempo.util.Util;
 import com.google.android.material.elevation.SurfaceColors;
 
 import java.util.Map;
@@ -46,7 +47,7 @@ public class CustomGlideRequest {
         uri.append("getCoverArt");
 
         if (params.containsKey("u") && params.get("u") != null)
-            uri.append("?u=").append(params.get("u"));
+            uri.append("?u=").append(Util.encode(params.get("u")));
         if (params.containsKey("p") && params.get("p") != null)
             uri.append("&p=").append(params.get("p"));
         if (params.containsKey("s") && params.get("s") != null)

app/src/main/java/com/cappielloantonio/tempo/repository/ArtistRepository.java

@@ -63,8 +63,10 @@ public class ArtistRepository {
                         if (response.isSuccessful() && response.body() != null) {
                             List<ArtistID3> artists = new ArrayList<>();
 
-                            for (IndexID3 index : response.body().getSubsonicResponse().getArtists().getIndices()) {
-                                artists.addAll(index.getArtists());
+                            if(response.body().getSubsonicResponse().getArtists() != null) {
+                                for (IndexID3 index : response.body().getSubsonicResponse().getArtists().getIndices()) {
+                                    artists.addAll(index.getArtists());
+                                }
                             }
 
                             if (random) {

app/src/main/java/com/cappielloantonio/tempo/service/DownloaderManager.java

@@ -103,6 +103,7 @@ public class DownloaderManager {
     public void removeAll() {
         DownloadService.sendRemoveAllDownloads(context, DownloaderService.class, false);
         deleteAllDatabase();
+        DownloadUtil.eraseDownloadFolder(context);
     }
 
     private void loadDownloads() {

app/src/main/java/com/cappielloantonio/tempo/ui/activity/MainActivity.java

@@ -119,6 +119,8 @@ public class MainActivity extends BaseActivity {
         fragmentManager.beginTransaction().replace(R.id.player_bottom_sheet, new PlayerBottomSheetFragment(), "PlayerBottomSheet").commit();
 
         setBottomSheetInPeek(mainViewModel.isQueueLoaded());
+
+        collapseBottomSheet();
     }
 
     public void setBottomSheetInPeek(Boolean isVisible) {

app/src/main/java/com/cappielloantonio/tempo/ui/adapter/SongHorizontalAdapter.java

@@ -114,7 +114,7 @@ public class SongHorizontalAdapter extends RecyclerView.Adapter<SongHorizontalAd
         public void onClick() {
             Bundle bundle = new Bundle();
             bundle.putParcelableArrayList(Constants.TRACKS_OBJECT, new ArrayList<>(MusicUtil.limitPlayableMedia(songs, getBindingAdapterPosition())));
-            bundle.putInt(Constants.ITEM_POSITION, MusicUtil.getPlayableMediaPosition(getBindingAdapterPosition()));
+            bundle.putInt(Constants.ITEM_POSITION, MusicUtil.getPlayableMediaPosition(songs, getBindingAdapterPosition()));
 
             click.onMediaClick(bundle);
         }

app/src/main/java/com/cappielloantonio/tempo/ui/fragment/SettingsFragment.java

@@ -12,6 +12,8 @@ import androidx.activity.result.contract.ActivityResultContracts;
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.annotation.OptIn;
+import androidx.appcompat.app.AppCompatDelegate;
+import androidx.core.os.LocaleListCompat;
 import androidx.lifecycle.ViewModelProvider;
 import androidx.media3.common.util.UnstableApi;
 import androidx.preference.ListPreference;
@@ -28,8 +30,12 @@ import com.cappielloantonio.tempo.ui.dialog.DeleteDownloadStorageDialog;
 import com.cappielloantonio.tempo.ui.dialog.DownloadStorageDialog;
 import com.cappielloantonio.tempo.ui.dialog.StarredSyncDialog;
 import com.cappielloantonio.tempo.util.Preferences;
+import com.cappielloantonio.tempo.util.UIUtil;
 import com.cappielloantonio.tempo.viewmodel.SettingViewModel;
 
+import java.util.Locale;
+import java.util.Map;
+
 @OptIn(markerClass = UnstableApi.class)
 public class SettingsFragment extends PreferenceFragmentCompat {
     private static final String TAG = "SettingsFragment";
@@ -75,63 +81,16 @@ public class SettingsFragment extends PreferenceFragmentCompat {
         super.onResume();
 
         checkEqualizer();
-
         checkStorage();
 
-        findPreference("version").setSummary(BuildConfig.VERSION_NAME);
+        setAppLanguage();
+        setVersion();
 
-        findPreference("logout").setOnPreferenceClickListener(preference -> {
-            activity.quit();
-            return true;
-        });
-
-        findPreference("scan_library").setOnPreferenceClickListener(preference -> {
-            settingViewModel.launchScan(new ScanCallback() {
-                @Override
-                public void onError(Exception exception) {
-                    findPreference("scan_library").setSummary(exception.getMessage());
-                }
-
-                @Override
-                public void onSuccess(boolean isScanning, long count) {
-                    getScanStatus();
-                }
-            });
-
-            return true;
-        });
-
-        findPreference("sync_starred_tracks_for_offline_use").setOnPreferenceChangeListener((preference, newValue) -> {
-            if (newValue instanceof Boolean) {
-                if ((Boolean) newValue) {
-                    StarredSyncDialog dialog = new StarredSyncDialog();
-                    dialog.show(activity.getSupportFragmentManager(), null);
-                }
-            }
-            return true;
-        });
-
-        findPreference("download_storage").setOnPreferenceClickListener(preference -> {
-            DownloadStorageDialog dialog = new DownloadStorageDialog(new DialogClickCallback() {
-                @Override
-                public void onPositiveClick() {
-                    findPreference("download_storage").setSummary(R.string.download_storage_external_dialog_positive_button);
-                }
-
-                @Override
-                public void onNegativeClick() {
-                    findPreference("download_storage").setSummary(R.string.download_storage_internal_dialog_negative_button);
-                }
-            });
-            dialog.show(activity.getSupportFragmentManager(), null);
-            return true;
-        });
-
-        findPreference("delete_download_storage").setOnPreferenceClickListener(preference -> {
-            DeleteDownloadStorageDialog dialog = new DeleteDownloadStorageDialog();
-            dialog.show(activity.getSupportFragmentManager(), null);
-            return true;
-        });
+        actionLogout();
+        actionScan();
+        actionSyncStarredTracks();
+        actionChangeDownloadStorage();
+        actionDeleteDownloadStorage();
     }
 
     @Override
@@ -187,6 +146,94 @@ public class SettingsFragment extends PreferenceFragmentCompat {
         }
     }
 
+    private void setAppLanguage() {
+        ListPreference localePref = (ListPreference) findPreference("language");
+
+        Map<String, String> locales = UIUtil.getLangPreferenceDropdownEntries(requireContext());
+
+        CharSequence[] entries = locales.keySet().toArray(new CharSequence[locales.size()]);
+        CharSequence[] entryValues = locales.values().toArray(new CharSequence[locales.size()]);
+
+        localePref.setEntries(entries);
+        localePref.setEntryValues(entryValues);
+
+        localePref.setDefaultValue(entryValues[0]);
+        localePref.setSummary(Locale.forLanguageTag(localePref.getValue()).getDisplayLanguage());
+
+        localePref.setOnPreferenceChangeListener((preference, newValue) -> {
+            LocaleListCompat appLocale = LocaleListCompat.forLanguageTags((String) newValue);
+            AppCompatDelegate.setApplicationLocales(appLocale);
+            return true;
+        });
+    }
+
+    private void setVersion() {
+        findPreference("version").setSummary(BuildConfig.VERSION_NAME);
+    }
+
+    private void actionLogout() {
+        findPreference("logout").setOnPreferenceClickListener(preference -> {
+            activity.quit();
+            return true;
+        });
+    }
+
+    private void actionScan() {
+        findPreference("scan_library").setOnPreferenceClickListener(preference -> {
+            settingViewModel.launchScan(new ScanCallback() {
+                @Override
+                public void onError(Exception exception) {
+                    findPreference("scan_library").setSummary(exception.getMessage());
+                }
+
+                @Override
+                public void onSuccess(boolean isScanning, long count) {
+                    getScanStatus();
+                }
+            });
+
+            return true;
+        });
+    }
+
+    private void actionSyncStarredTracks() {
+        findPreference("sync_starred_tracks_for_offline_use").setOnPreferenceChangeListener((preference, newValue) -> {
+            if (newValue instanceof Boolean) {
+                if ((Boolean) newValue) {
+                    StarredSyncDialog dialog = new StarredSyncDialog();
+                    dialog.show(activity.getSupportFragmentManager(), null);
+                }
+            }
+            return true;
+        });
+    }
+
+    private void actionChangeDownloadStorage() {
+        findPreference("download_storage").setOnPreferenceClickListener(preference -> {
+            DownloadStorageDialog dialog = new DownloadStorageDialog(new DialogClickCallback() {
+                @Override
+                public void onPositiveClick() {
+                    findPreference("download_storage").setSummary(R.string.download_storage_external_dialog_positive_button);
+                }
+
+                @Override
+                public void onNegativeClick() {
+                    findPreference("download_storage").setSummary(R.string.download_storage_internal_dialog_negative_button);
+                }
+            });
+            dialog.show(activity.getSupportFragmentManager(), null);
+            return true;
+        });
+    }
+
+    private void actionDeleteDownloadStorage() {
+        findPreference("delete_download_storage").setOnPreferenceClickListener(preference -> {
+            DeleteDownloadStorageDialog dialog = new DeleteDownloadStorageDialog();
+            dialog.show(activity.getSupportFragmentManager(), null);
+            return true;
+        });
+    }
+
     private void getScanStatus() {
         settingViewModel.getScanStatus(new ScanCallback() {
             @Override

app/src/main/java/com/cappielloantonio/tempo/util/DownloadUtil.java

@@ -2,6 +2,7 @@ package com.cappielloantonio.tempo.util;
 
 import android.content.Context;
 
+import androidx.media3.common.util.Log;
 import androidx.media3.common.util.UnstableApi;
 import androidx.media3.database.DatabaseProvider;
 import androidx.media3.database.StandaloneDatabaseProvider;
@@ -23,6 +24,8 @@ import java.io.File;
 import java.net.CookieHandler;
 import java.net.CookieManager;
 import java.net.CookiePolicy;
+import java.util.ArrayList;
+import java.util.List;
 import java.util.concurrent.Executors;
 
 @UnstableApi
@@ -153,4 +156,32 @@ public final class DownloadUtil {
                 .setCacheWriteDataSinkFactory(null)
                 .setFlags(CacheDataSource.FLAG_IGNORE_CACHE_ON_ERROR);
     }
+
+    public static synchronized void eraseDownloadFolder(Context context) {
+        File directory = getDownloadDirectory(context);
+
+        ArrayList<File> files = listFiles(directory, new ArrayList<>());
+
+        for (File file : files) {
+            file.delete();
+        }
+    }
+
+    private static synchronized ArrayList<File> listFiles(File directory, ArrayList<File> files) {
+        if (directory.isDirectory()) {
+            File[] list = directory.listFiles();
+
+            if (list != null) {
+                for (File file : list) {
+                    if (file.isFile() && file.getName().toLowerCase().endsWith(".exo")) {
+                        files.add(file);
+                    } else if (file.isDirectory()) {
+                        listFiles(file, files);
+                    }
+                }
+            }
+        }
+
+        return files;
+    }
 }

app/src/main/java/com/cappielloantonio/tempo/util/MappingUtil.java

@@ -223,9 +223,9 @@ public class MappingUtil {
     }
 
     private static Uri getUri(PodcastEpisode podcastEpisode) {
-        return DownloadUtil.getDownloadTracker(App.getContext()).isDownloaded(podcastEpisode.getId())
-                ? getDownloadUri(podcastEpisode.getId())
-                : MusicUtil.getStreamUri(podcastEpisode.getId());
+        return DownloadUtil.getDownloadTracker(App.getContext()).isDownloaded(podcastEpisode.getStreamId())
+                ? getDownloadUri(podcastEpisode.getStreamId())
+                : MusicUtil.getStreamUri(podcastEpisode.getStreamId());
     }
 
     private static Uri getDownloadUri(String id) {

app/src/main/java/com/cappielloantonio/tempo/util/MusicUtil.java

@@ -32,7 +32,7 @@ public class MusicUtil {
         uri.append("stream");
 
         if (params.containsKey("u") && params.get("u") != null)
-            uri.append("?u=").append(params.get("u"));
+            uri.append("?u=").append(Util.encode(params.get("u")));
         if (params.containsKey("p") && params.get("p") != null)
             uri.append("&p=").append(params.get("p"));
         if (params.containsKey("s") && params.get("s") != null)
@@ -68,7 +68,7 @@ public class MusicUtil {
             uri.append("download");
 
             if (params.containsKey("u") && params.get("u") != null)
-                uri.append("?u=").append(params.get("u"));
+                uri.append("?u=").append(Util.encode(params.get("u")));
             if (params.containsKey("p") && params.get("p") != null)
                 uri.append("&p=").append(params.get("p"));
             if (params.containsKey("s") && params.get("s") != null)
@@ -99,7 +99,7 @@ public class MusicUtil {
         uri.append("stream");
 
         if (params.containsKey("u") && params.get("u") != null)
-            uri.append("?u=").append(params.get("u"));
+            uri.append("?u=").append(Util.encode(params.get("u")));
         if (params.containsKey("p") && params.get("p") != null)
             uri.append("&p=").append(params.get("p"));
         if (params.containsKey("s") && params.get("s") != null)
@@ -271,8 +271,12 @@ public class MusicUtil {
         return toLimit;
     }
 
-    public static int getPlayableMediaPosition(int initialPosition) {
-        return Math.min(initialPosition, Constants.PRE_PLAYABLE_MEDIA);
+    public static int getPlayableMediaPosition(List<Child> toLimit, int position) {
+        if (!toLimit.isEmpty() && toLimit.size() > Constants.PLAYABLE_MEDIA_LIMIT) {
+            return Math.min(position, Constants.PRE_PLAYABLE_MEDIA);
+        }
+
+        return position;
     }
 
     private static ConnectivityManager getConnectivityManager() {

app/src/main/java/com/cappielloantonio/tempo/util/UIUtil.java

@@ -5,8 +5,21 @@ import android.content.res.TypedArray;
 import android.graphics.drawable.Drawable;
 import android.graphics.drawable.InsetDrawable;
 
+import androidx.core.os.LocaleListCompat;
 import androidx.recyclerview.widget.DividerItemDecoration;
 
+import com.cappielloantonio.tempo.R;
+
+import org.xmlpull.v1.XmlPullParser;
+import org.xmlpull.v1.XmlPullParserException;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Locale;
+import java.util.Map;
+
 public class UIUtil {
     public static int getSpanCount(int itemCount, int maxSpan) {
         int itemSize = itemCount == 0 ? 1 : itemCount;
@@ -31,4 +44,44 @@ public class UIUtil {
 
         return itemDecoration;
     }
+
+    private static LocaleListCompat getLocalesFromResources(Context context) {
+        final List<String> tagsList = new ArrayList<>();
+
+        XmlPullParser xpp = context.getResources().getXml(R.xml.locale_config);
+
+        try {
+            while (xpp.getEventType() != XmlPullParser.END_DOCUMENT) {
+                String tagName = xpp.getName();
+
+                if (xpp.getEventType() == XmlPullParser.START_TAG) {
+                    if ("locale".equals(tagName) && xpp.getAttributeCount() > 0 && xpp.getAttributeName(0).equals("name")) {
+                        tagsList.add(xpp.getAttributeValue(0));
+                    }
+                }
+
+                xpp.next();
+            }
+        } catch (XmlPullParserException | IOException e) {
+            e.printStackTrace();
+        }
+
+        return LocaleListCompat.forLanguageTags(String.join(",", tagsList));
+    }
+
+    public static Map<String, String> getLangPreferenceDropdownEntries(Context context) {
+        LocaleListCompat localeList = getLocalesFromResources(context);
+
+        Map<String, String> map = new HashMap<>();
+
+        for (int i = 0; i < localeList.size(); i++) {
+            Locale locale = localeList.get(i);
+
+            if (locale != null) {
+                map.put(Util.toPascalCase(locale.getDisplayName()), locale.toLanguageTag());
+            }
+        }
+
+        return map;
+    }
 }

app/src/main/java/com/cappielloantonio/tempo/util/Util.java

@@ -1,5 +1,8 @@
 package com.cappielloantonio.tempo.util;
 
+import java.io.UnsupportedEncodingException;
+import java.net.URLEncoder;
+import java.nio.charset.StandardCharsets;
 import java.util.Map;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.function.Function;
@@ -14,4 +17,48 @@ public class Util {
             return null;
         }
     }
+
+    public static String toPascalCase(String name) {
+        if (name == null || name.isEmpty()) {
+            return name;
+        }
+
+        StringBuilder pascalCase = new StringBuilder();
+
+        char newChar;
+        boolean toUpper = false;
+        char[] charArray = name.toCharArray();
+
+        for (int ctr = 0; ctr <= charArray.length - 1; ctr++) {
+            if (ctr == 0) {
+                newChar = Character.toUpperCase(charArray[ctr]);
+                pascalCase = new StringBuilder(Character.toString(newChar));
+                continue;
+            }
+
+            if (charArray[ctr] == '_') {
+                toUpper = true;
+                continue;
+            }
+
+            if (toUpper) {
+                newChar = Character.toUpperCase(charArray[ctr]);
+                pascalCase.append(newChar);
+                toUpper = false;
+                continue;
+            }
+
+            pascalCase.append(charArray[ctr]);
+        }
+
+        return pascalCase.toString();
+    }
+
+    public static String encode(String value) {
+        try {
+            return URLEncoder.encode(value, StandardCharsets.UTF_8.toString());
+        } catch (UnsupportedEncodingException ex) {
+            return value;
+        }
+    }
 }

app/src/main/java/com/cappielloantonio/tempo/viewmodel/SongListPageViewModel.java

@@ -73,9 +73,11 @@ public class SongListPageViewModel extends AndroidViewModel {
             case Constants.MEDIA_BY_GENRE:
                 int page = (songList.getValue() != null ? songList.getValue().size() : 0) / 100;
                 songRepository.getSongsByGenre(genre.getGenre(), page).observe(owner, children -> {
-                    List<Child> currentMedia = songList.getValue();
-                    currentMedia.addAll(children);
-                    songList.setValue(currentMedia);
+                    if (children != null && !children.isEmpty()) {
+                        List<Child> currentMedia = songList.getValue();
+                        currentMedia.addAll(children);
+                        songList.setValue(currentMedia);
+                    }
                 });
                 break;
             case Constants.MEDIA_BY_ARTIST:

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

@@ -181,9 +181,15 @@
     <string name="server_unreachable_dialog_summary">Der angefragte Server ist nicht erreichbar. Wenn Du trotzdem weitermachst, wird dieser Dialog für eine Stunden nicht wieder erscheinen.</string>
     <string name="settings_about_summary">Tempo ist ein nativ für Android entwickelter, leichtgewichtiger Open-Source Client für Subsonic.</string>
     <string name="settings_about_title">Über</string>
+    <string name="settings_audio_transcode_download_priority_summary">Diese Option deaktiviert die Transkodierungssettings für Downloads.</string>
+    <string name="settings_audio_transcode_download_priority_title">Transkodierungseinstellungen des Servers für Downloads bevorzugen.</string>
+    <string name="settings_audio_transcode_download_summary">Diese Option aktiviert das Transkodieren für heruntergeladene Tracks.</string>
+    <string name="settings_audio_transcode_download_title">Transkodierte Tracks herunterladen</string>
+    <string name="settings_audio_transcode_download_format">Transkodierungs-Format</string>
     <string name="settings_audio_transcode_priority_summary">Diese Option deaktiviert die weiter unten folgenden Transkodierungseinstellungen.</string>
     <string name="settings_audio_transcode_priority_title">Transkodierungseinstellungen des Servers bevorzugen</string>
     <string name="settings_audio_transcode_priority_toast">Servereinstellungen zur Transkodierung des Tracks werden bevorzugt</string>
+    <string name="settings_audio_transcode_format_download">Transkodierungs-Format für Downloads</string>
     <string name="settings_audio_transcode_format_mobile">Transkodierungsformat im mobilen Netz</string>
     <string name="settings_audio_transcode_format_wifi">Transkodierungsformat im Wi-Fi</string>
     <string name="settings_covers_cache">Größe des Artwork Caches</string>
@@ -198,7 +204,9 @@
     <string name="settings_github_summary">Verfolge die Entwicklung</string>
     <string name="settings_github_title">Github</string>
     <string name="settings_image_size">Bilder Auflösung anpassen</string>
+    <string name="settings_language">Sprache</string>
     <string name="settings_logout_title">Abmelden</string>
+    <string name="settings_max_bitrate_download">Bitrate für Downloads</string>
     <string name="settings_max_bitrate_wifi">Bitrate bei Wi-Fi Nutzung</string>
     <string name="settings_max_bitrate_mobile">Bitrate bei mobiler Nutzung</string>
     <string name="settings_media_cache">Größe des Medienfile Caches</string>
@@ -220,6 +228,7 @@
     <string name="settings_summary_replay_gain">Replay-Gain ist ein Feature, das die Lautstärke von Tracks für ein konsistentes Hörerlebnis anpasst. Diese Einstellung funktioniert nur, wenn Tracks die entsprechenden Metadaten haben.</string>
     <string name="settings_summary_syncing">Den Zustand der Warteschlange synchronisieren. Das beinhaltet die Tracks in der Warteschlange, den aktuell gespielten Track und die Position innerhalb dieses Tracks. Der Server muss dieses Feature unterstützen.</string>
     <string name="settings_summary_transcoding">Priorität des Transkodierungsmodus. \"Direktes Abspielen\" ändert die Bitrate der Dateien nicht.</string>
+    <string name="settings_summary_transcoding_download">Transkodierte Medien herunterladen. Diese Option deaktiviert den Download-Endpoint und benutzt stattdessen die folgenden Einstellungen. \n\n If \"Transkodierungs-Format\" ist auf \"Direktes Abspielen\" gesetzt, Die Bitrate des Tracks wird nicht geändert.</string>
     <string name="settings_sync_starred_tracks_for_offline_use_summary">Lieblingslieder werden automatisch heruntergeladen.</string>
     <string name="settings_sync_starred_tracks_for_offline_use_title">Lieblingslieder für Offline-Modus sychronisieren</string>
     <string name="settings_theme">Design</string>
@@ -228,6 +237,7 @@
     <string name="settings_title_replay_gain">Replay Gain</string>
     <string name="settings_title_syncing">Sychronisierung</string>
     <string name="settings_title_transcoding">Transkodierung</string>
+    <string name="settings_title_transcoding_download">Transkodierung Download</string>
     <string name="settings_title_ui">Benutzeroberfläche</string>
     <string name="settings_transcoded_download">Transcoded download</string>
     <string name="settings_version_title">Version</string>

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

@@ -206,6 +206,7 @@
     <string name="settings_github_summary">Follow the development</string>
     <string name="settings_github_title">Github</string>
     <string name="settings_image_size">Set image resolution</string>
+    <string name="settings_language">Language</string>
     <string name="settings_logout_title">Log out</string>
     <string name="settings_max_bitrate_download">Bitrate for downloads</string>
     <string name="settings_max_bitrate_wifi">Bitrate in Wi-Fi</string>

app/src/main/res/xml/global_preferences.xml

@@ -16,6 +16,12 @@
     </PreferenceCategory>
 
     <PreferenceCategory app:title="@string/settings_title_ui">
+        <ListPreference
+            app:defaultValue="default"
+            app:dialogTitle="@string/settings_language"
+            app:key="language"
+            app:title="@string/settings_language"/>
+
         <ListPreference
             app:defaultValue="default"
             app:dialogTitle="@string/settings_theme"

app/src/main/res/xml/locale_config.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<locale-config xmlns:android="http://schemas.android.com/apk/res/android">
+    <locale android:name="en"/>            <!-- English -->
+    <locale android:name="de-DE"/>         <!-- German -->
+</locale-config>

build.gradle

@@ -4,7 +4,7 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:7.4.2'
+        classpath 'com.android.tools.build:gradle:8.1.0'
         classpath 'org.jetbrains.kotlin:kotlin-gradle-plugin:1.8.0'
     }
 }

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Mon Jun 19 19:28:49 CEST 2023
+#Wed Aug 16 22:52:26 CEST 2023
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.1-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists