Miscellaneous additions related to notifications.

Add notification permissions for Android 13+

Add error notification.

app/src/main/AndroidManifest.xml

@@ -2,7 +2,9 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools">
 
+    <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
     <uses-permission android:name="android.permission.WAKE_LOCK" />
+    <uses-permission android:name="android.permission.READ_MEDIA_AUDIO" />
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"
         tools:ignore="ScopedStorage" />

app/src/main/java/org/adrianvictor/geleia/activities/AboutActivity.java

@@ -7,6 +7,7 @@ import android.view.View;
 
 import androidx.annotation.NonNull;
 
+import org.adrianvictor.geleia.service.notifications.ErrorNotification;
 import org.adrianvictor.geleia.util.NavigationUtil;
 import org.adrianvictor.geleia.util.PreferenceUtil;
 import org.adrianvictor.geleia.databinding.ActivityAboutBinding;
@@ -102,7 +103,7 @@ public class AboutActivity extends AbsBaseActivity implements View.OnClickListen
         try {
             return context.getPackageManager().getPackageInfo(context.getPackageName(), 0).versionName;
         } catch (PackageManager.NameNotFoundException e) {
-            e.printStackTrace();
+            ErrorNotification.show(context, e.getMessage());
         }
 
         return "Unknown";

app/src/main/java/org/adrianvictor/geleia/service/DownloadService.java

@@ -11,6 +11,7 @@ import org.adrianvictor.geleia.BuildConfig;
 import org.adrianvictor.geleia.database.Cache;
 import org.adrianvictor.geleia.model.Song;
 import org.adrianvictor.geleia.service.notifications.DownloadNotification;
+import org.adrianvictor.geleia.service.notifications.ErrorNotification;
 import org.adrianvictor.geleia.util.MusicUtil;
 import org.adrianvictor.geleia.util.PreferenceUtil;
 
@@ -23,7 +24,6 @@ import java.util.List;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 
-@SuppressWarnings("ResultOfMethodCallIgnored")
 public class DownloadService extends Service {
     public static final String PACKAGE_NAME = BuildConfig.APPLICATION_ID;
     public static final String ACTION_START = PACKAGE_NAME + ".action.start";
@@ -55,6 +55,7 @@ public class DownloadService extends Service {
                 break;
             case DownloadService.ACTION_START:
                 List<Song> songs = intent.getParcelableArrayListExtra(EXTRA_SONGS);
+                assert songs != null;
                 for (Song song : songs) {
                     download(song);
                     notification.start(song);
@@ -116,7 +117,7 @@ public class DownloadService extends Service {
                 App.getDatabase().cacheDao().insertCache(new Cache(song));
                 notification.stop(song);
             } catch (Exception e) {
-                e.printStackTrace();
+                ErrorNotification.show(this, e.getMessage());
             }
         });
     }

app/src/main/java/org/adrianvictor/geleia/service/notifications/ErrorNotification.java

@@ -0,0 +1,49 @@
+package org.adrianvictor.geleia.service.notifications;
+
+import static android.content.Context.NOTIFICATION_SERVICE;
+
+import android.app.NotificationChannel;
+import android.app.NotificationManager;
+import android.content.Context;
+import android.os.Build;
+
+import androidx.core.app.NotificationCompat;
+
+import org.adrianvictor.geleia.R;
+
+public class ErrorNotification {
+    private static final String CHANNEL_ID = ErrorNotification.class.getSimpleName();
+    private static final int NOTIFICATION_ID = 3;
+
+    private ErrorNotification() {}
+
+    public static void show(Context context, String error) {
+        NotificationManager notificationManager = (NotificationManager) context.getSystemService(NOTIFICATION_SERVICE);
+        createNotificationChannel(notificationManager);
+
+        NotificationCompat.BigTextStyle style = new NotificationCompat.BigTextStyle();
+        style.setBigContentTitle("Error:").bigText(error);
+
+        NotificationCompat.Builder builder = new NotificationCompat.Builder(context, CHANNEL_ID)
+                .setSmallIcon(R.drawable.ic_bug_report_white_24dp)
+                .setContentTitle(context.getString(R.string.error_notification_title))
+                .setVisibility(NotificationCompat.VISIBILITY_PUBLIC)
+                .setStyle(style)
+                .setContentText("Expand the notification for details.");
+    }
+
+    public static void createNotificationChannel(NotificationManager notificationManager) {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+            NotificationChannel channel = notificationManager.getNotificationChannel(CHANNEL_ID);
+
+            if (channel == null) {
+                channel = new NotificationChannel(CHANNEL_ID, "Errors", NotificationManager.IMPORTANCE_LOW);
+                channel.setDescription("Displays all sorts of errors.");
+                channel.enableLights(false);
+                channel.enableVibration(true);
+
+                notificationManager.createNotificationChannel(channel);
+            }
+        }
+    }
+}

app/src/main/java/org/adrianvictor/geleia/util/MusicUtil.java

@@ -18,6 +18,7 @@ import org.adrianvictor.geleia.model.Codec;
 import org.adrianvictor.geleia.model.Genre;
 import org.adrianvictor.geleia.model.Song;
 
+import org.adrianvictor.geleia.service.notifications.ErrorNotification;
 import org.jellyfin.apiclient.interaction.ApiClient;
 import org.jellyfin.apiclient.interaction.Response;
 import org.jellyfin.apiclient.model.dto.UserItemDataDto;
@@ -102,7 +103,7 @@ public class MusicUtil {
         try {
             return new Intent();
         } catch (IllegalArgumentException e) {
-            e.printStackTrace();
+            ErrorNotification.show(context, e.getMessage());
             Toast.makeText(context, R.string.error_share_file, Toast.LENGTH_SHORT).show();
             return new Intent();
         }

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

@@ -235,5 +235,6 @@
     <string name="error_empty_username">Please fill in your username.</string>
     <string name="dkanada_summary">Forking Phonograph and making Gelli</string>
     <string name="adrianvictor">Adrian Victor</string>
+    <string name="error_notification_title">An error occurred in Jamfish.</string>
 
 </resources>