In this tutorial how to use Create Notification for Android Application using NotificationManager in Android is shown.<\/p>\n
Notification means an alert message for user to display the information regarding software update, email, messaging on Status Bar.<\/p>\n
The Android platform provides different ways of notifying the user by using sound, message, icon, blink light etc.<\/p>\n
Status Bar is the standard location to indicate notification.<\/p>\n
A simple notification has number important components<\/p>\n
To create the notification, use the object of NotificationManager class.<\/p>\n
To create the object of NotificationManager call getSystemService() method.<\/p>\n
NotificationCompat.Builder class provide the wide range to create notification<\/p>\n
To define notification action we have to handle Intent and PendingIntent.<\/p>\n
Call notify() method to issue the notification, it will specify the notification id and also call build() method which will return Notification object.<\/p>\n
Code:<\/p>\n
main_activity.xml<\/p>\n
<RelativeLayout xmlns:android=”http:\/\/schemas.android.com\/apk\/res\/android”
\nxmlns:tools=”http:\/\/schemas.android.com\/tools”
\nandroid:layout_width=”match_parent”
\nandroid:layout_height=”match_parent”
\nandroid:paddingBottom=”@dimen\/activity_vertical_margin”
\nandroid:paddingLeft=”@dimen\/activity_horizontal_margin”
\nandroid:paddingRight=”@dimen\/activity_horizontal_margin”
\nandroid:paddingTop=”@dimen\/activity_vertical_margin”
\ntools:context=”.MainActivity” ><\/p>\n
<TextView
\nandroid:id=”@+id\/tv1″
\nandroid:layout_width=”wrap_content”
\nandroid:layout_height=”wrap_content”
\nandroid:layout_alignParentTop=”true”
\nandroid:layout_centerHorizontal=”true”
\nandroid:layout_marginTop=”106dp”
\nandroid:text=”Notification Program” \/><\/p>\n
<\/RelativeLayout><\/p>\n
MainActivity.java<\/p>\n
package com.example.demo;<\/p>\n
import android.os.Bundle;
\nimport android.os.Vibrator;
\nimport android.app.Activity;
\nimport android.app.NotificationManager;
\nimport android.app.PendingIntent;
\nimport android.content.Context;
\nimport android.content.Intent;
\nimport android.graphics.Color;
\nimport android.support.v4.app.NotificationCompat;
\nimport android.view.Menu;<\/p>\n
public class MainActivity extends Activity{<\/p>\n
static int num=0;<\/p>\n
@Override
\nprotected void onCreate(Bundle savedInstanceState) {
\nsuper.onCreate(savedInstanceState);
\nsetContentView(R.layout.activity_main);
\nNotificationCompat.Builder ncb=new NotificationCompat.Builder(this).setSmallIcon(R.drawable.ic_launcher).setContentTitle(“Hello!! “).setContentText(“This is a notification”).setLights(Color.GREEN, 10, 10).setNumber(++num).setAutoCancel(true);<\/p>\n
Intent in=new Intent(this,secActivity.class);
\nPendingIntent pi=PendingIntent.getActivity(this,0,in,PendingIntent.FLAG_UPDATE_CURRENT);<\/p>\n
ncb.setContentIntent(pi);<\/p>\n
NotificationManager nm=(NotificationManager)getSystemService(NOTIFICATION_SERVICE);
\nnm.notify(001,ncb.build());<\/p>\n
Vibrator v=(Vibrator)getSystemService(Context.VIBRATOR_SERVICE);
\nlong[] pat={0,300,500,200};
\nv.vibrate(pat,-1);<\/p>\n
}<\/p>\n
@Override
\npublic boolean onCreateOptionsMenu(Menu menu) {
\n\/\/Inflate the menu; this adds items to the action bar if it is present.
\ngetMenuInflater().inflate(R.menu.main, menu);
\nreturn true;
\n}
\n}<\/p>\n
sec_activity.xml<\/p>\n
<?xml version=”1.0″ encoding=”utf-8″?>
\n<RelativeLayout xmlns:android=”http:\/\/schemas.android.com\/apk\/res\/android”
\nandroid:layout_width=”match_parent”
\nandroid:layout_height=”match_parent” ><\/p>\n
<TextView
\nandroid:id=”@+id\/textView1″
\nandroid:layout_width=”wrap_content”
\nandroid:layout_height=”wrap_content”
\nandroid:layout_alignParentTop=”true”
\nandroid:layout_centerHorizontal=”true”
\nandroid:layout_marginTop=”122dp”
\nandroid:text=”This page is loaded on activity click” \/><\/p>\n
<\/RelativeLayout><\/p>\n
secActivity.java<\/p>\n
package com.example.demo;<\/p>\n
import android.app.Activity;
\nimport android.os.Bundle;<\/p>\n
public class secActivity extends Activity {<\/p>\n
@Override
\nprotected void onCreate(Bundle savedInstanceState) {
\nsuper.onCreate(savedInstanceState);
\nsetContentView(R.layout.sec_activity);
\n}<\/p>\n
}<\/p>\n
AndroidManifest.xml<\/p>\n
<?xml version=”1.0″ encoding=”utf-8″?>
\n<manifest xmlns:android=”http:\/\/schemas.android.com\/apk\/res\/android”
\npackage=”com.example.demo”
\nandroid:versionCode=”1″
\nandroid:versionName=”1.0″ ><\/p>\n
<uses-sdk
\nandroid:minSdkVersion=”8″
\nandroid:targetSdkVersion=”17″ \/><\/p>\n
<uses-permission android:name=”android.permission.VIBRATE”\/><\/p>\n
<application
\nandroid:allowBackup=”true”
\nandroid:icon=”@drawable\/ic_launcher”
\nandroid:label=”@string\/app_name”
\nandroid:theme=”@style\/AppTheme” >
\n<activity
\nandroid:name=”com.example.demo.MainActivity”
\nandroid:label=”@string\/app_name” >
\n<intent-filter>
\n<action android:name=”android.intent.action.MAIN” \/><\/p>\n
<category android:name=”android.intent.category.LAUNCHER” \/>
\n<\/intent-filter>
\n<\/activity>
\n<activity android:name=”.secActivity”><\/activity>
\n<\/application><\/p>\n
<\/manifest><\/p>\n