支付宝集成功能

。。。

// start pay for this order.

       // 根据订单信息开始进行支付

       try {

           // prepare the order info.

           // 准备订单信息

           String orderInfo = getOrderInfo(position);

           // 这里根据签名方式对订单信息进行签名

           String signType = getSignType();

           String strsign = sign(signType, orderInfo);

           Log.v("sign:", strsign);

           // 对签名进行编码

           strsign = URLEncoder.encode(strsign);

           // 组装好参数

           String info = orderInfo + "&sign=" + "\"" + strsign + "\"" + "&"

                  + getSignType();

           Log.v("orderInfo:", info);

           // start the pay.

           // 调用pay方法进行支付

           MobileSecurePayer msp = new MobileSecurePayer();

           boolean bRet = msp.pay(info, mHandler, AlixId.RQF_PAY, this);

           if (bRet) {

              // show the progress bar to indicate that we have started

              // paying.

              // 显示“正在支付”进度条

              closeProgress();

              mProgress = BaseHelper.showProgress(this, null, "正在支付", false,

                     true);

           } else

              ;

       } catch (Exception ex) {

           Toast.makeText(AlixDemo.this, R.string.remote_call_failed,

                  Toast.LENGTH_SHORT).show();

       }

。。。

/**

     * 向支付宝发送支付请求

     *

     * @param strOrderInfo

     *            订单信息

     * @param callback

     *            回调handler

     * @param myWhat

     *            回调信息

     * @param activity

     *            目标activity

     * @return

     */

    public boolean pay(final String strOrderInfo, final Handler callback,

           final int myWhat, final Activity activity) {

       if (mbPaying)

           return false;

       mbPaying = true;

       //

       mActivity = activity;

       // bind the service.

       // 绑定服务

       if (mAlixPay == null) {

           // 绑定安全支付服务需要获取上下文环境，

           // 如果绑定不成功使用mActivity.getApplicationContext().bindService

           // 解绑时同理

           mActivity.getApplicationContext().bindService(

                  new Intent(IAlixPay.class.getName()), mAlixPayConnection,

                  Context.BIND_AUTO_CREATE);

       }

       // else ok.

       // 实例一个线程来进行支付

       new Thread(new Runnable() {

           public void run() {

              try {

                  // wait for the service bind operation to completely

                  // finished.

                  // Note: this is important,otherwise the next mAlixPay.Pay()

                  // will fail.

                  // 等待安全支付服务绑定操作结束

                  // 注意：这里很重要，否则mAlixPay.Pay()方法会失败

                  synchronized (lock) {

                     if (mAlixPay == null)

                         lock.wait();

                  }

                  // register a Callback for the service.

                  // 为安全支付服务注册一个回调

                  mAlixPay.registerCallback(mCallback);

                  // call the MobileSecurePay service.

                  // 调用安全支付服务的pay方法

                  String strRet = mAlixPay.Pay(strOrderInfo);

                  BaseHelper.log(TAG, "After Pay: " + strRet);

                  // set the flag to indicate that we have finished.

                  // unregister the Callback, and unbind the service.

                  // 将mbPaying置为false，表示支付结束

                  // 移除回调的注册，解绑安全支付服务

                  mbPaying = false;

                  mAlixPay.unregisterCallback(mCallback);

                  mActivity.getApplicationContext().unbindService(

                         mAlixPayConnection);

                  // send the result back to caller.

                  // 发送交易结果

                  Message msg = new Message();

                  msg.what = myWhat;

                  msg.obj = strRet;

                  callback.sendMessage(msg);

              } catch (Exception e) {

                  e.printStackTrace();

                  // send the result back to caller.

                  // 发送交易结果

                  Message msg = new Message();

                  msg.what = myWhat;

                  msg.obj = e.toString();

                  callback.sendMessage(msg);

              }

           }

       }).start();

       return true;

    }