private ServiceConnection serConn = new ServiceConnection() {

        @Override
        public void onServiceConnected(ComponentName name, IBinder service)
        {
            Log.v(TAG, "onServiceConnected() called");
            stockService = IStockQuoteService.Stub.asInterface(service);
            callService();
        }

        @Override
        public void onServiceDisconnected(ComponentName name) {
            Log.v(TAG, "onServiceDisconnected() called");
            stockService = null;
        }
    };