private void startMyService() { //create the default activity to be shown Intent intent = new Intent(); PendingIntent pending = PendingIntent.GetActivity(this, 0, intent, 0); if (Android.OS.Build.VERSION.SdkInt <= BuildVersionCodes.NMr1) { var notification = new Notification.Builder(this, Constants.CHANNEL_ID) .SetContentTitle(Constants.CONTENT_TITLE) .SetContentText(Constants.CONTENT_TEXT) .SetSmallIcon(Resource.Drawable.bsplash) .SetOngoing(true) .Build(); StartForeground(300, notification); } else { //create a notification channel. this is a must if your service is going to run on //Android 8.0(Oreo) and above NotificationChannel channel = new NotificationChannel(MPConstants.CHANNEL_ID1, MPConstants.CHANNEL_NAME, NotificationImportance.Default); NotificationManager manager = GetSystemService(NotificationService) as NotificationManager; if (manager != null) { manager.CreateNotificationChannel(channel); } //create the notification var builder = new Notification.Builder(this, MPConstants.CHANNEL_ID1); //make notification show big text Notification.BigTextStyle BigStyle = new Notification.BigTextStyle(); BigStyle.SetBigContentTitle("This service is running in the foreground"); BigStyle.BigText("This is a music like foreground service that was built using some tutorial and some little tweaks"); builder.SetStyle(BigStyle); //build notification builder.SetWhen(DateTime.Now.Millisecond); builder.SetSmallIcon(Resource.Drawable.badge); //////set large icon of type Bitmap //Bitmap LargeIconBitMap = BitmapFactory.DecodeResource(Resources.get, Resource.Drawable.bsplash); //used to set full screen intent builder.SetFullScreenIntent(pending, true); //Add play button to Notification Intent PlayIntent = new Intent(this, typeof(MusicService)); intent.SetAction(MPConstants.ACTION_PLAY); PendingIntent PendingPlayIntent = PendingIntent.GetService(this, 0, PlayIntent, 0); Notification.Action playaction = new Notification.Action(Resource.Drawable.ic_media_play_light, "Play", PendingPlayIntent); builder.AddAction(playaction); //add Pause button to Notification Intent PauseIntent = new Intent(this, typeof(MusicService)); intent.SetAction(MPConstants.ACTION_PAUSE); PendingIntent PausePendingIntent = PendingIntent.GetService(this, 0, PauseIntent, 0); Notification.Action PauseAction = new Notification.Action(Resource.Drawable.ic_media_pause_light, "Pause", PausePendingIntent); builder.AddAction(PauseAction); //build notification Notification notification = builder.Build(); StartForeground(500, notification); } }