17 Simple Notification Program

Notification Example program:
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package com.example.aslam.simplenotification1;

import android.app.NotificationManager;
import android.support.v4.app.NotificationCompat;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;

public class MainActivity extends AppCompatActivity {

    NotificationCompat.Builder notification;
    private static final int uniqueID=45612;
    @Override    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        notification=new NotificationCompat.Builder(this);
        notification.setAutoCancel(true);

    }
    public void notificationClick(View view) {
     notification.setSmallIcon(R.drawable.ic_launcher_background);
    notification.setTicker("you have received a message");
    notification.setWhen(System.currentTimeMillis());
    notification.setContentTitle("Whats app ");
    notification.setContentText("Venu sir message received");
        NotificationManager nm=(NotificationManager)getSystemService(NOTIFICATION_SERVICE);
        nm.notify(uniqueID,notification.build());
    }
}