Android service binding

BindableService.java

public abstract class BindableService extends Service
{
    LocalBinder binder = new LocalBinder();

    public class LocalBinder extends Binder {
        Service getService() {
            // Return this instance of LocalService so clients can call public methods
            return BindableService.this;
        }
    };

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

BindingFragment.java

public abstract class BindingFragment extends Fragment {
	// serviceClass is the type of class bound to, should be set in inherting's onCreate or onCreateView
	Class<? extends BindableService> serviceClass;

	// service will eventually hold the bound to service
	Service service = null;
	public boolean bound;

	@Override
	public void onStart() {
		super.onStart();

		// Binds to service here, if you want the service to run independent of this bind, make
		// sure you also start it with startService and START_STICKY
		Intent serviceIntent = new Intent( getActivity().getApplicationContext(), serviceClass );
		getActivity().bindService(serviceIntent, serviceConnection, Context.BIND_AUTO_CREATE);
	}
	
	@Override
	public void onStop() {
		super.onStop();
		if (bound) {
			bound = false;
			// Make sure we tell the service we don't need it anymore
			getActivity().unbindService( serviceConnection );
		}
	}
	
	public abstract void onServiceConnected();
	
    private ServiceConnection serviceConnection = new ServiceConnection() {
        @Override
        public void onServiceConnected(ComponentName className, IBinder serviceBind) {
            // We've bound to LocalService, cast the IBinder and get LocalService instance
            LocalBinder binder = (LocalBinder)serviceBind;
            service = binder.getService();
            bound = true;
            BindingFragment.this.onServiceConnected();
        }

        @Override
        public void onServiceDisconnected(ComponentName arg0) {
            bound = false;
        }
    };
}