Adds notification channels (for Android 8+). Fixes #468.

app/src/main/java/org/transdroid/core/service/AppUpdateJob.java

@@ -39,6 +39,7 @@ public class AppUpdateJob extends Job {
 		NavigationHelper_ navigationHelper = NavigationHelper_.getInstance_(context);
 		if (systemSettings.checkForUpdates() && navigationHelper.enableUpdateChecker()) {
 			Log_.getInstance_(context).d(TAG, "Schedule app update checker job");
+			NotificationChannels.ensureAppUpdateChannel(context);
 			scheduledJobId = new JobRequest.Builder(AppUpdateJob.TAG)
 					.setPeriodic(TimeUnit.DAYS.toMillis(1))
 					.setRequiredNetworkType(JobRequest.NetworkType.CONNECTED)

app/src/main/java/org/transdroid/core/service/AppUpdateJobRunner.java

@@ -16,7 +16,6 @@
  */
 package org.transdroid.core.service;
 
-import android.app.Notification;
 import android.app.NotificationManager;
 import android.app.PendingIntent;
 import android.content.Context;
@@ -24,7 +23,10 @@ import android.content.Intent;
 import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
 import android.net.Uri;
+import android.support.v4.app.NotificationCompat;
+
 import com.evernote.android.job.Job;
+
 import org.androidannotations.annotations.Bean;
 import org.androidannotations.annotations.EBean;
 import org.androidannotations.annotations.RootContext;
@@ -170,11 +172,16 @@ public class AppUpdateJobRunner {
 	private void newNotification(String ticker, String title, String text, String downloadUrl, int notifyID) {
 		PendingIntent pi = PendingIntent.getActivity(context, notifyID,
 				new Intent(Intent.ACTION_VIEW, Uri.parse(downloadUrl)), PendingIntent.FLAG_UPDATE_CURRENT);
-		Notification.Builder builder = new Notification.Builder(context).setSmallIcon(R.drawable.ic_stat_notification)
+		final NotificationCompat.Builder builder = new NotificationCompat.Builder(context, NotificationChannels.CHANNEL_APP_UPDATE)
-				.setTicker(ticker).setContentTitle(title).setContentText(text)
+				.setSmallIcon(R.drawable.ic_stat_notification)
+				.setTicker(ticker)
+				.setContentTitle(title)
+				.setContentText(text)
 				.setLights(notificationSettings.getDesiredLedColour(), 600, 1000)
-				.setSound(notificationSettings.getSound()).setAutoCancel(true).setContentIntent(pi);
+				.setSound(notificationSettings.getSound())
-		notificationManager.notify(notifyID, builder.getNotification());
+				.setAutoCancel(true)
+				.setContentIntent(pi);
+		notificationManager.notify(notifyID, builder.build());
 	}
 
 }

app/src/main/java/org/transdroid/core/service/NotificationChannels.java

@@ -0,0 +1,45 @@
+package org.transdroid.core.service;
+
+import android.app.NotificationChannel;
+import android.app.NotificationManager;
+import android.content.Context;
+import android.os.Build;
+
+import org.transdroid.R;
+
+class NotificationChannels {
+
+    public static final String CHANNEL_APP_UPDATE = "channel_app_update";
+    public static final String CHANNEL_RSS_CHECKER = "channel_rss_checker";
+    public static final String CHANNEL_SERVER_CHECKER = "channel_server_checker";
+
+    static void ensureAppUpdateChannel(final Context context) {
+        createChannel(context, CHANNEL_APP_UPDATE, R.string.pref_checkupdates, R.string.pref_checkupdates_info);
+    }
+
+    static void ensureRssCheckerChannel(final Context context) {
+        createChannel(context, CHANNEL_RSS_CHECKER, R.string.pref_notifications_rss, null);
+    }
+
+    static void ensureServerCheckerChannel(final Context context) {
+        createChannel(context, CHANNEL_SERVER_CHECKER, R.string.pref_notifications_torrent, null);
+    }
+
+    private static void createChannel(
+            final Context context,
+            final String channelId,
+            final int name,
+            final Integer description) {
+
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+            int importance = NotificationManager.IMPORTANCE_DEFAULT;
+            final NotificationChannel channel = new NotificationChannel(channelId, context.getString(name), importance);
+            if (description != null) {
+                channel.setDescription(context.getString(description));
+            }
+            final NotificationManager notificationManager = context.getSystemService(NotificationManager.class);
+            notificationManager.createNotificationChannel(channel);
+        }
+    }
+
+}

app/src/main/java/org/transdroid/core/service/RssCheckerJob.java

@@ -40,6 +40,7 @@ public class RssCheckerJob extends Job {
 		NotificationSettings notificationSettings = NotificationSettings_.getInstance_(context);
 		if (notificationSettings.isEnabledForRss()) {
 			Log_.getInstance_(context).d(TAG, "Schedule rss checker job");
+			NotificationChannels.ensureRssCheckerChannel(context);
 			scheduledJobId = new JobRequest.Builder(RssCheckerJob.TAG)
 					.setPeriodic(notificationSettings.getInvervalInMilliseconds())
 					.setRequiredNetworkType(JobRequest.NetworkType.CONNECTED)

app/src/main/java/org/transdroid/core/service/RssCheckerJobRunner.java

@@ -16,12 +16,14 @@
  */
 package org.transdroid.core.service;
 
-import android.app.Notification;
 import android.app.NotificationManager;
 import android.app.PendingIntent;
 import android.content.Context;
 import android.content.Intent;
+import android.support.v4.app.NotificationCompat;
+
 import com.evernote.android.job.Job;
+
 import org.androidannotations.annotations.Bean;
 import org.androidannotations.annotations.EBean;
 import org.androidannotations.annotations.RootContext;
@@ -122,14 +124,19 @@ public class RssCheckerJobRunner {
 				.getActivity(context, 80000, new Intent(context, RssfeedsActivity_.class), PendingIntent.FLAG_UPDATE_CURRENT);
 		String title = context.getResources().getQuantityString(R.plurals.rss_service_new, unread, Integer.toString(unread));
 		String forString = Collections2.joinString(hasUnread, ", ");
-		Notification.Builder builder = new Notification.Builder(context).setSmallIcon(R.drawable.ic_stat_notification).setTicker(title)
+		final NotificationCompat.Builder builder = new NotificationCompat.Builder(context, NotificationChannels.CHANNEL_RSS_CHECKER)
-				.setContentTitle(title).setContentText(context.getString(R.string.rss_service_newfor, forString))
+				.setSmallIcon(R.drawable.ic_stat_notification)
+				.setTicker(title)
+				.setContentTitle(title)
+				.setContentText(context.getString(R.string.rss_service_newfor, forString))
 				.setNumber(unread).setLights(notificationSettings.getDesiredLedColour(), 600, 1000)
-				.setSound(notificationSettings.getSound()).setAutoCancel(true).setContentIntent(pi);
+				.setSound(notificationSettings.getSound())
+				.setAutoCancel(true)
+				.setContentIntent(pi);
 		if (notificationSettings.shouldVibrate()) {
 			builder.setVibrate(notificationSettings.getDefaultVibratePattern());
 		}
-		notificationManager.notify(80001, builder.getNotification());
+		notificationManager.notify(80001, builder.build());
 
 		return Job.Result.SUCCESS;
 	}

app/src/main/java/org/transdroid/core/service/ServerCheckerJob.java

@@ -35,6 +35,7 @@ public class ServerCheckerJob extends Job {
 		NotificationSettings notificationSettings = NotificationSettings_.getInstance_(context);
 		if (notificationSettings.isEnabledForTorrents()) {
 			Log_.getInstance_(context).d(TAG, "Schedule server checker job");
+			NotificationChannels.ensureServerCheckerChannel(context);
 			scheduledJobId = new JobRequest.Builder(ServerCheckerJob.TAG)
 					.setPeriodic(notificationSettings.getInvervalInMilliseconds())
 					.setRequiredNetworkType(JobRequest.NetworkType.CONNECTED)

app/src/main/java/org/transdroid/core/service/ServerCheckerJobRunner.java

@@ -16,11 +16,11 @@
  */
 package org.transdroid.core.service;
 
-import android.app.Notification;
 import android.app.NotificationManager;
 import android.app.PendingIntent;
 import android.content.Context;
 import android.content.Intent;
+import android.support.v4.app.NotificationCompat;
 import android.text.TextUtils;
 import com.evernote.android.job.Job;
 import org.androidannotations.annotations.Bean;
@@ -175,18 +175,21 @@ public class ServerCheckerJobRunner {
 			forString = forString.substring(0, forString.length() - 2);
 
 			// Build the basic notification
-			Notification.Builder builder = new Notification.Builder(context).setSmallIcon(R.drawable.ic_stat_notification)
+			final NotificationCompat.Builder builder = new NotificationCompat.Builder(context, NotificationChannels.CHANNEL_SERVER_CHECKER)
-					.setTicker(title).setContentTitle(title).setContentText(forString)
+					.setSmallIcon(R.drawable.ic_stat_notification)
+					.setTicker(title)
+					.setContentTitle(title).setContentText(forString)
 					.setNumber(affectedTorrents.size())
 					.setLights(notificationSettings.getDesiredLedColour(), 600, 1000)
-					.setSound(notificationSettings.getSound()).setAutoCancel(true).setContentIntent(pi);
+					.setSound(notificationSettings.getSound())
+					.setAutoCancel(true)
+					.setContentIntent(pi);
 			if (notificationSettings.shouldVibrate())
 				builder.setVibrate(notificationSettings.getDefaultVibratePattern());
 
 			// Add at most 5 lines with the affected torrents
-			Notification notification;
 			if (android.os.Build.VERSION.SDK_INT >= 16) {
-				Notification.InboxStyle inbox = new Notification.InboxStyle(builder);
+				final NotificationCompat.InboxStyle inbox = new NotificationCompat.InboxStyle(builder);
 				if (affectedTorrents.size() < 6) {
 					for (Torrent affectedTorrent : affectedTorrents) {
 						inbox.addLine(affectedTorrent.getName());
@@ -197,11 +200,9 @@ public class ServerCheckerJobRunner {
 					}
 					inbox.addLine(context.getString(R.string.status_service_andothers, affectedTorrents.get(5).getName()));
 				}
-				notification = inbox.build();
+				builder.setStyle(inbox);
-			} else {
-				notification = builder.getNotification();
 			}
-			notificationManager.notify(notifyBase + server.getOrder(), notification);
+			notificationManager.notify(notifyBase + server.getOrder(), builder.build());
 
 		}