Tuesday, February 28, 2012

Start Service from Broadcast Receiver

Some time we need to start Service from Broadcast Receiver..
how can we achieve this i am going to write step by step.

So lets create a small App to do this things 

-------------------------------------------
App Name: BReceiver2Service
Package Name: com.rdc
Android SDK: Android SDK 2.2 / API 8
-------------------------------------------

MyReceiver.java 
package com.rdc;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.util.Log;
import android.widget.Toast;

public class MyReceiver extends BroadcastReceiver {

@Override
public void onReceive(Context context, Intent intent) {

Toast.makeText(context, "MyReceiver Started",
Toast.LENGTH_SHORT).show();
Log.v("Info Message", "in Broadcast receiver");
Intent myIntent=new Intent(context,MyService.class);
context.startService(myIntent);
}

}


MyService
package com.rdc;

import android.app.Service;
import android.content.Intent;
import android.os.IBinder;
import android.widget.Toast;

public class MyService extends Service {

@Override
public IBinder onBind(Intent intent) {
return null;
}

@Override
public int onStartCommand(Intent intent, int flags, int startId){
Toast.makeText(getBaseContext(), "Service Started",
Toast.LENGTH_SHORT).show();
/* We want this service to continue running until it is explicitly
stopped, so return sticky. */
return START_STICKY;
}
}


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" />
</LinearLayout>


AndroidManifest.xml
<?xml version="1.0" encoding="utf-8"?>
<manifest
xmlns:android="http://schemas.android.com/apk/res/android"
package="com.rdc"
android:versionCode="1"
android:versionName="1.0">
<uses-sdk android:minSdkVersion="8" />

<application
android:icon="@drawable/icon"
android:label="@string/app_name">
<service
android:enabled="true"
android:name=".MyService">
<intent-filter>
<action android:name="com.rdc.MyService">
</action>
</intent-filter>
</service>
<receiver
android:enabled="true"
android:name=".MyReceiver">
<intent-filter>
<action android:name="android.intent.action.BOOT_COMPLETED" />
</intent-filter>
</receiver>
</application>

</manifest>

Now Reboot Emulator, Toast will appear.

you can download zip file from here : BReceiver2Service

cheers!!

 I'd love to hear your thoughts!!

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