Die Anleitung zu Android Notifications

package org.o7planning.androidnotification;
import android.app.Notification;
import android.os.Bundle;
import android.support.v7.app.NotificationCompat;
import android.view.View;
import android.app.Activity;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;

public class MainActivity extends Activity {

   private NotificationCompat.Builder notBuilder;

   private static final int MY_NOTIFICATION_ID = 12345;

   private static final int MY_REQUEST_CODE = 100;

   @Override
   protected void onCreate(Bundle savedInstanceState) {

       super.onCreate(savedInstanceState);
       setContentView(R.layout.activity_main);

       this.notBuilder = new NotificationCompat.Builder(this);

       // The message will automatically be canceled when the user clicks on Panel

       this.notBuilder.setAutoCancel(true);

   }


   public void notiButtonClicked(View view)  {

       // --------------------------
       // Prepare a notification
       // --------------------------

       this.notBuilder.setSmallIcon(R.mipmap.ic_launcher);
       this.notBuilder.setTicker("This is a ticker");


       // Set the time that the event occurred.
       // Notifications in the panel are sorted by this time.
       this.notBuilder.setWhen(System.currentTimeMillis()+ 10* 1000);
       this.notBuilder.setContentTitle("This is title");
       this.notBuilder.setContentText("This is content text ....");


       // Create Intent
       Intent intent = new Intent(this, MainActivity.class);

       // PendingIntent.getActivity(..) will start an Activity, and returns PendingIntent object.
       // It is equivalent to calling Context.startActivity(Intent).
       PendingIntent pendingIntent = PendingIntent.getActivity(this, MY_REQUEST_CODE,
                              intent, PendingIntent.FLAG_UPDATE_CURRENT);


       this.notBuilder.setContentIntent(pendingIntent);



       // Get a notification service (A service available on the system).
       NotificationManager notificationService  =
                (NotificationManager)this.getSystemService(Context.NOTIFICATION_SERVICE);


       // Builds notification and issue it

       Notification notification =  notBuilder.build();
       notificationService.notify(MY_NOTIFICATION_ID, notification);

   }

}