How to implement Notification in android?

How to implement Notification in android?

Let’s now take a peek at the Notification sample project,

 about this tree structure i have created One Activity And two services class,shown below

MainActivity.java

package com.example.notification;

import android.app.Activity;

import android.content.Intent;

import android.os.Bundle;

import android.view.Menu;

import android.view.View;

import android.widget.Button;

public class MainActivity extends Activity {

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

Button buttonStartService = (Button)findViewById(R.id.start_Myservice);

        Button buttonStopService = (Button)findViewById(R.id.stop_Myservice);

        

        buttonStartService.setOnClickListener(new Button.OnClickListener(){

@Override

public void onClick(View arg0) {

// TODO Auto-generated method stub

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

MainActivity.this.startService(intent);

}});

        

        buttonStopService.setOnClickListener(new Button.OnClickListener(){

@Override

public void onClick(View arg0) {

// TODO Auto-generated method stub

Intent intent = new Intent();

intent.setAction(NotificationsService.ACTION);

intent.putExtra("SERVICE", NotificationsService.STOP_SERVICE);

sendBroadcast(intent);

}});

        

}

@Override

public boolean onCreateOptionsMenu(Menu menu) {

// Inflate the menu; this adds items to the action bar if it is present.

getMenuInflater().inflate(R.menu.main, menu);

return true;

}

}

You have created new Broadcast reciver class-->>>>>>>>>>

MyAction_Services.java

package com.example.notification;

import android.content.BroadcastReceiver;

import android.content.Context;

import android.content.Intent;

public class MyAction_Services extends BroadcastReceiver {

@Override

public void onReceive(Context context, Intent intent) {

// TODO Auto-generated method stub

Intent i = new Intent(context,NotificationsService.class);

      context.getApplicationContext().startService(i);

}

}

And last Notifcation services--->>>>>>>>>>>>>>>>>>>>>>

package com.example.notification;

import android.app.Notification;

import android.app.NotificationManager;

import android.app.PendingIntent;

import android.app.Service;

import android.content.BroadcastReceiver;

import android.content.Context;

import android.content.Intent;

import android.content.IntentFilter;

import android.net.Uri;

import android.os.IBinder;

public class NotificationsService extends Service {

final static String ACTION = "NotifyServiceAction";

final static String STOP_SERVICE = "";

final static int REQUIRE_STOP_SERVICE = 1;

MyAction_Services notifyServiceReceiver;

private static final int MY_NOTIFICATION_ID=1;

private NotificationManager notificationManager;

private Notification myNotification;

private final String myBlog = "http://androidbeginnerpoint.blogspot.in/";

@Override

public void onCreate() {

// TODO Auto-generated method stub

notifyServiceReceiver = new MyAction_Services();

super.onCreate();

}

@Override

public int onStartCommand(Intent intent, int flags, int startId) {

// TODO Auto-generated method stub

IntentFilter intentFilter = new IntentFilter();

intentFilter.addAction(ACTION);

registerReceiver(notifyServiceReceiver, intentFilter);

// Send Notification

notificationManager = 

(NotificationManager)getSystemService(Context.NOTIFICATION_SERVICE);

myNotification = new Notification(R.drawable.ic_launcher, 

"Notification!", 

System.currentTimeMillis());

Context context = getApplicationContext();

String notificationTitle = "Exercise of Notification!";

String notificationText = "http://android-er.blogspot.com/";

Intent myIntent = new Intent(Intent.ACTION_VIEW, Uri.parse(myBlog));

PendingIntent pendingIntent 

= PendingIntent.getActivity(getBaseContext(), 

0, myIntent, 

Intent.FLAG_ACTIVITY_NEW_TASK);

myNotification.defaults |= Notification.DEFAULT_SOUND;

myNotification.flags |= Notification.FLAG_AUTO_CANCEL;

myNotification.setLatestEventInfo(context, 

notificationTitle, 

notificationText, 

pendingIntent);

notificationManager.notify(MY_NOTIFICATION_ID, myNotification);

return super.onStartCommand(intent, flags, startId);

}

@Override

public void onDestroy() {

// TODO Auto-generated method stub

this.unregisterReceiver(notifyServiceReceiver);

super.onDestroy();

}

@Override

public IBinder onBind(Intent arg0) {

// TODO Auto-generated method stub

return null;

}

public class NotifyServiceReceiver extends BroadcastReceiver{

@Override

public void onReceive(Context arg0, Intent arg1) {

// TODO Auto-generated method stub

int rqs = arg1.getIntExtra("SERVICE", 0);

if (rqs == REQUIRE_STOP_SERVICE){

stopSelf();

}

              }

}

}

User interface created inside res/layout/main.xml-->>>>>>>>

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

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

    android:orientation="vertical"

    android:layout_width="fill_parent"

    android:layout_height="fill_parent"

    >

<TextView  

    android:layout_width="fill_parent" 

    android:layout_height="wrap_content" 

    android:text="@string/hello_world"

    />

<Button

    android:id="@+id/start_Myservice"

    android:layout_width="fill_parent" 

    android:layout_height="wrap_content" 

    android:text="Start Service to send Notification"

    />

<Button

    android:id="@+id/stop_Myservice"

    android:layout_width="fill_parent" 

    android:layout_height="wrap_content" 

    android:text="Stop Service"

    />

</LinearLayout>

Note-you can not forget given permission in Manifest file.

<service android:name=".NotificationsService"/>

 <receiver android:name=".MyAction_Services">

---------------------------------------------------------------------------------------------------------------------

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

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

    package="com.example.notification"

    android:versionCode="1"

    android:versionName="1.0" >

    <uses-sdk

        android:minSdkVersion="8"

        android:targetSdkVersion="18" />

    <application

        android:allowBackup="true"

        android:icon="@drawable/ic_launcher"

        android:label="@string/app_name"

        android:theme="@style/AppTheme" >

        <activity

            android:name="com.example.notification.MainActivity"

            android:label="@string/app_name" >

            <intent-filter>

                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />

            </intent-filter>

        </activity>

    <service android:name=".NotificationsService"/>

    <receiver android:name=".MyAction_Services">

    <intent-filter>

    <action android:name="android.intent.action.ACTION_POWER_CONNECTED"/>

    </intent-filter>

    </receiver>

    </application>

</manifest>