Android Program : Create an Android Application that sends the Notification on click of the button and Display the notification message on second activity.

Android Program : Create an Android Application that sends the Notification on click of the button and Display the notification message on second activity.

Soln :

activity_main.xml

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

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

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

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:paddingBottom="@dimen/activity_vertical_margin"

    android:paddingLeft="@dimen/activity_horizontal_margin"

    android:paddingRight="@dimen/activity_horizontal_margin"

    android:paddingTop="@dimen/activity_vertical_margin"

    tools:context="com.journaldev.notifications.MainActivity">

    <Button

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="CREATE NOTIFICATION"

        android:id="@+id/button"

        android:layout_alignParentTop="true"

        android:layout_alignParentRight="true"

        android:layout_alignParentEnd="true"

        android:layout_alignParentLeft="true"

        android:layout_alignParentStart="true" />

    <Button

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="CANCEL NOTIFICATION"

        android:id="@+id/button2"

        android:layout_below="@+id/button"

        android:layout_alignRight="@+id/button"

        android:layout_alignEnd="@+id/button"

        android:layout_alignParentLeft="true"

        android:layout_alignParentStart="true" />

</RelativeLayout>

MainActivity.java

import android.app.NotificationManager;

import android.app.PendingIntent;

import android.content.Context;

import android.content.Intent;

import android.graphics.BitmapFactory;

import android.net.Uri;

import android.support.v7.app.AppCompatActivity;

import android.os.Bundle;

import android.support.v7.app.NotificationCompat;

import android.widget.Toast;

import butterknife.ButterKnife;

import butterknife.OnClick;

public class MainActivity extends AppCompatActivity {

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        ButterKnife.inject(this);

    }

    @OnClick(R.id.button)

    public void sendNotification() {

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

        builder.setSmallIcon(android.R.drawable.ic_dialog_alert);

        Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse("https://www.google.com/"));

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

        builder.setContentIntent(pendingIntent);

        builder.setLargeIcon(BitmapFactory.decodeResource(getResources(), R.mipmap.ic_launcher));

        builder.setContentTitle("Notifications Title");

        builder.setContentText("Your notification content here.");

        builder.setSubText("Tap to view the website.");

        NotificationManager notificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);

        // Will display the notification in the notification bar

        notificationManager.notify(1, builder.build());

    }

    @OnClick(R.id.button2)

    public void cancelNotification() {

        String ns = Context.NOTIFICATION_SERVICE;

        NotificationManager nMgr = (NotificationManager) getApplicationContext().getSystemService(ns);

        nMgr.cancel(1);

    }

}

output