Service in Android (GENERATING RANDOM NUMBER ON EACH 30 SEC INTERVALS)

    SERVICE

1. service is an independent process
2. Not affecting activity foreground

 CREATION OF SERVICE FOR GENERATING RANDOM NUMBER ON EACH 30 SEC  INTERVALS

public class CheckingUpdates extends  Service {

Context ctx=this;

@Override

public IBinder onBind(Intent arg0) {

// TODO Auto-generated method stub

return null;

}

@Override

public void onCreate() {

// TODO Auto-generated method stub

super.onCreate();

Log.v("one", "one");

//Creating timer which executes once after 30 seconds

Timer timer = new Timer();

timer.scheduleAtFixedRate(new TaskExampleRepeating(), 30000, 30000);

}

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

// TODO Auto-generated method stub

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

}

public void onDestroy() {

// TODO Auto-generated method stub

super.onDestroy();

Log.v("one", "four");

//for test -mediaplayer.stop();

Log.v("one", "five");

}

class TaskExampleRepeating  extends TimerTask{

int randomresult1=0,

randomresult2=0,

randomresult3=0;

//This task will execute just once after seven seconds of starting the program

public void run(){

System.out.println(" displayed after " + " ->" + new Date());

Random randomGenerator = new Random();

for (int idx = 1; idx <= 1; ++idx){

randomresult1 = randomGenerator.nextInt(100);

System.out.println("after 30 seconds first-value" + " ->" + randomresult1);

}

for (int idx = 1; idx <= 1; ++idx){

randomresult2 = randomGenerator.nextInt(100);

System.out.println("after 30 seconds second-value" + " ->" + randomresult2);

}

for (int idx = 1; idx <= 1; ++idx){

randomresult3 = randomGenerator.nextInt(100);

System.out.println("after 30 seconds third-value" + " ->" + randomresult3);

}

System.out.println("value" + " ->" + "inserted all" );

}

}

}

CHANGES ON MANIFEST FILE 

       <service

            android:name="com.Packagename.services.CheckingUpdates" android:enabled="true"

            android:process=":myprocess" />

    </application>

ACTIVITY CLASS

@Override

protected void onResume() {

// TODO Auto-generated method stub

startService(new Intent(ActivityOne.this, CheckingUpdates.class));

Toast.makeText(this, "Service Started", Toast.LENGTH_LONG).show();

super.onResume();

}

@Override

protected void onStop() {

// TODO Auto-generated method stub

stopService(new Intent(ActivityOne.this, CheckingUpdates.class));

Toast.makeText(this, "Service Stop", Toast.LENGTH_LONG).show();

super.onStop();

}