support notification channels from Android O

app/src/main/java/org/emunix/unipatcher/UniPatcher.java

@@ -21,9 +21,20 @@
 package org.emunix.unipatcher;
 
 import android.app.Application;
+import android.app.NotificationChannel;
+import android.app.NotificationManager;
+import android.content.Context;
+import android.os.Build;
 
 public class UniPatcher extends Application {
     private static String appArgument = null;
+    public static final String NOTIFICATION_CHANNEL_ID = "notifications";
+
+    @Override
+    public void onCreate() {
+        super.onCreate();
+        initNotificationChannel();
+    }
 
     public static String getAppArgument() {
         return appArgument;
@@ -32,4 +43,15 @@ public class UniPatcher extends Application {
     public static void setAppArgument(String appArgument) {
         UniPatcher.appArgument = appArgument;
     }
+
+    public void initNotificationChannel() {
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O) {
+            return;
+        }
+        NotificationManager manager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
+        NotificationChannel channel = new NotificationChannel(NOTIFICATION_CHANNEL_ID,
+                getString(R.string.notification_channel_name),
+                NotificationManager.IMPORTANCE_DEFAULT);
+        manager.createNotificationChannel(channel);
+    }
 }

app/src/main/java/org/emunix/unipatcher/WorkerService.java

@@ -326,7 +326,7 @@ public class WorkerService extends IntentService {
     private void showErrorNotification(String text) {
         Intent notificationIntent = new Intent(this, MainActivity.class);
         NotificationManager nm = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
-        Notification notify = new NotificationCompat.Builder(this)
+        Notification notify = new NotificationCompat.Builder(this, UniPatcher.NOTIFICATION_CHANNEL_ID)
                 .setContentTitle(getString(R.string.notify_error))
                 .setContentText(text)
                 .setSmallIcon(R.drawable.ic_stat_patching)

app/src/main/java/org/emunix/unipatcher/ui/notify/Notify.java

@@ -24,6 +24,7 @@ import android.content.Intent;
 import android.support.v4.app.NotificationCompat;
 import android.support.v4.app.NotificationManagerCompat;
 
+import org.emunix.unipatcher.UniPatcher;
 import org.emunix.unipatcher.ui.activity.MainActivity;
 
 public abstract class Notify {
@@ -40,9 +41,8 @@ public abstract class Notify {
 
         Intent notificationIntent = new Intent(context, MainActivity.class);
         notificationIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_SINGLE_TOP);
-        notifyBuilder = new NotificationCompat.Builder(context);
+        notifyBuilder = new NotificationCompat.Builder(context, UniPatcher.NOTIFICATION_CHANNEL_ID);
         notifyBuilder.setContentIntent(PendingIntent.getActivity(context, 0, notificationIntent, PendingIntent.FLAG_CANCEL_CURRENT));
-        //notifyMng = (NotificationManager) context.getSystemService(context.NOTIFICATION_SERVICE);
         notifyMng = NotificationManagerCompat.from(context);
     }
 

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

@@ -167,6 +167,7 @@
 
     <string name="donation">Donation</string>
     <string name="icon">icon</string>
+    <string name="notification_channel_name">Notifications</string>
 
 </resources>