<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
<uses-permission android:name="android.permission.READ_PHONE_STATE" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />

<activity
  android:name="com.alipay.sdk.app.H5PayActivity"
  android:configChanges="orientation|keyboardHidden|navigation|screenSize"
  android:exported="false"
  android:screenOrientation="behind"
  android:windowSoftInputMode="adjustResize|stateHidden" />

 <activity
  android:name="com.alipay.sdk.app.H5AuthActivity"
  android:configChanges="orientation|keyboardHidden|navigation"
  android:exported="false"
  android:screenOrientation="behind"
  android:windowSoftInputMode="adjustResize|stateHidden" />

/**
   * 显示支付宝签名
   *
   * @param aliPayBean 自己服务器返回的订单签名字符串
   */
public void aliPayData(AliPayBean aliPayBean) {
    //支付宝支付请求所需的签名字符串
    final String orderInfo = aliPayBean.getResult().getMessage();
    Runnable payRunnable = new Runnable() {
      @Override
      public void run() {
        PayTask alipay = new PayTask(PaymentActivity.this);
        Map<String, String> result = alipay.payV2(orderInfo, true);
        Log.i("msp", result.toString());

        Message msg = new Message();
        msg.what = SDK_ALI_PAY_FLAG;
        msg.obj = result;
        mHandler.sendMessage(msg);
      }
    };
    // 必须异步调用
    Thread payThread = new Thread(payRunnable);
    payThread.start();
  }

//支付宝返回数据handler
  @SuppressLint("HandlerLeak")
  private Handler mHandler = new Handler() {
    @SuppressWarnings("unused")
    public void handleMessage(Message msg) {
      switch (msg.what) {
        case SDK_ALI_PAY_FLAG: {
          @SuppressWarnings("unchecked")
          PayResult payResult = new PayResult((Map<String, String>) msg.obj);
          /**
           对于支付结果，请商户依赖服务端的异步通知结果。同步通知结果，仅作为支付结束的通知。
           */
          String resultInfo = payResult.getResult();// 同步返回需要验证的信息
          String resultStatus = payResult.getResultStatus();
          String result = "";
          // 判断resultStatus 为9000则代表支付成功
          Log.i(TAG, resultStatus);
          if (TextUtils.equals(resultStatus, "9000")) {
            //支付成功
            result = "支付成功";
            aliPaySuccess();
          } else if ("6001".equals(resultStatus)) {
            result = "您取消了支付";
          } else {
            // 该笔订单真实的支付结果，需要依赖服务端的异步通知。
            result = "支付失败";
          }
          ToastUtils.showToast(mContext, result);
          break;
        }
      }
    }
  };