How to send a Notification in Android Status Bar – Android Notification Example

Using this simple code below, we can show a Notification in android status bar, this notification code uses the Notification Compat class which is the newest as of writing this post, this code also uses channel id which is required from Android 8. The code will also show a small icon, title text and body of the notification. Rememeber to place this code below the oncreate method after defining your context to mContext. The small icon ic_home must be put in your drawable folder.

Android Simple Notification Code in Java

NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(mContext, "CHANNEL_ID")
               .setSmallIcon(R.drawable.ic_home)
               .setContentTitle("title")
               .setContentText("content")
               .setColor(Color.parseColor("#009add"))
               .setAutoCancel(true);

       NotificationManager notificationManager = (NotificationManager) mContext.getSystemService(
               NOTIFICATION_SERVICE);

       if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
           NotificationChannel mChannel = new NotificationChannel("CHANNEL_ID", "CHANNEL_NAME", NotificationManager.IMPORTANCE_HIGH);

           notificationManager.createNotificationChannel(mChannel);
       }

       notificationManager.notify(0, mBuilder.build());