OperationManagerService provide binder on 'OnBind()' method

import android.app.Service;

import android.content.Context;

import android.content.Intent;

import android.os.Binder;

import android.os.Bundle;

import android.os.Handler;

import android.os.IBinder;

 */

public class OperationManagerService extends Service implements OnRemoteOperationListener{

    private final static String TAG = OperationManagerService.class.getSimpleName();

    private final Binder binder = new Binder(){

        OperationManagerService getService(){

            return OperationManagerService.this;

        }

    };

    private int workerAmount = 0; //Number of thread available to execute RemoteOperation

    private boolean[] mThreadWorkingState; //State of the threads; true mean the thread is working

    @Nullable

    @Override

    public IBinder onBind(Intent intent) {

        throw new UnsupportedOperationException();

         return binder;

    }

    @Override