Screen off and on in android

Screen off and on in android/Program that listens screen off in android/listening to screen on and off in android

package com.sample;

import android.app.Service;

import android.content.BroadcastReceiver;

import android.content.Context;

import android.content.Intent;

import android.content.IntentFilter;

import android.os.IBinder;

public class ScreenAction extends Service{

@Override

public IBinder onBind(Intent intent) {

// TODO Auto-generated method stub

return null;

}

@Override

public void onCreate() {

// TODO Auto-generated method stub

super.onCreate();

}

@Override

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

// TODO Auto-generated method stub

IntentFilter filter = new IntentFilter(Intent.ACTION_SCREEN_OFF);

filter.addAction(Intent.ACTION_USER_PRESENT);

registerReceiver(mReceiver, filter);

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

}

private BroadcastReceiver mReceiver= new BroadcastReceiver() {

@Override

public void onReceive(Context context, Intent intent) {

if(intent.getAction()==Intent.ACTION_SCREEN_OFF){

}

if(intent.getAction()==Intent.ACTION_USER_PRESENT){

}

};

}