<uses-permission android:name="android.permission.VIBRATE" />

<?xml version="1.0" encoding="utf-8"?>

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:app="http://schemas.android.com/apk/res-auto"

    xmlns:tools="http://schemas.android.com/tools"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    tools:context="giviews.id.notificationview.NotificationViewActivity">



    <TextView

        android:id="@+id/textView"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="Diharapkan Semua Anggota BEM Rapat Di Aula Sekarang..!!"

        tools:layout_editor_absoluteX="9dp"

        tools:layout_editor_absoluteY="16dp" />



</RelativeLayout>

package giviews.id.notificationview;



import android.app.NotificationManager;

import android.app.PendingIntent;

import android.content.Context;

import android.content.Intent;

import android.os.Bundle;

import android.os.Vibrator;

import android.support.v4.app.NotificationCompat;

import android.support.v7.app.AppCompatActivity;

import android.view.View;



public class MainActivity extends AppCompatActivity {

    int notificationID = 1;



    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

    }



    public void onClick(View view) {

        displayNotification();

    }



    protected void displayNotification()

    {

        //---PendingIntent to launch activity if the user selects

        // this notification---

        Intent i = new Intent(this, NotificationViewActivity.class);

        i.putExtra("notificationID", notificationID);

        PendingIntent pendingIntent = PendingIntent.getActivity(this, 0, i, 0);

        NotificationManager nm = (NotificationManager)getSystemService(NOTIFICATION_SERVICE);

        NotificationCompat.Builder notifBuilder;

        notifBuilder = new NotificationCompat.Builder(this)

                .setSmallIcon(R.drawable.gbrnotif)

                .setContentTitle("Ada Meeting BEM Sekarang...!")

                .setContentText("Reminder: Rapat Akan Mulai 5 minutes")

                .setContentIntent(pendingIntent)

                .addAction(R.mipmap.ic_launcher,"Read More",pendingIntent);



        Vibrator vi;

        vi=(Vibrator) getSystemService(Context.VIBRATOR_SERVICE);

        if (vi.hasVibrator()){

            vi.vibrate(20000);

        }

        nm.notify(notificationID, notifBuilder.build());

    }

}

package giviews.id.notificationview;



import android.app.NotificationManager;

import android.os.Bundle;

import android.support.v7.app.AppCompatActivity;



public class NotificationViewActivity extends AppCompatActivity {



    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_notification_view);



        //---look up the notification manager service---

        NotificationManager nm = (NotificationManager)

                getSystemService(NOTIFICATION_SERVICE);

        //---cancel the notification that we started---

        nm.cancel(getIntent().getExtras().getInt("notificationID"));

    }

}