//结算点击事件

private void paymoeny() {
    pay.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            try {
                orderData.setOrderTime((String) nowtime);
                if (first_money == 0) {
                    Toast.makeText(getActivity(), "点点菜吧~", Toast.LENGTH_SHORT).show();
                }
                if (thirdPayAction != null && first_money != 0) {
                    ordernumber++;
                    thirdPayAction.requestPay("订单" + ordernumber, (float) first_money, new payCallback());
                }
            } catch (RemoteException e) {
                e.printStackTrace();
            }
        }
    });
}

//

private class payCallback extends ThirdPayResult.Stub {

    @Override
    public void OnPaySuccess() throws RemoteException {

        sum_money.onInvalidated();

    }

    @Override
    public void OnPayFailed(int errorCode, String msg) throws RemoteException {
        Toast.makeText(getActivity(), "支付失败！", Toast.LENGTH_SHORT).show();
    }
}

//更新ui

@Override
public void onInvalidated() {

    super.onInvalidated();
    firstmoney.setText("¥" + "0");//只有这一句执行了，下面那句直接跳过了
    cartcount.setText("0");


}