6.提取核心调用代码

在AlixDemo.java同目录下新建AlixPay.java,来提取AlixDemo.java的核心代码：

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// the handler use to receive the pay result. private Handler mHandler =new Handler() { public void handleMessage(Message msg) { try { String strRet = (String) msg.obj; switch (msg.what) { case AlixId.RQF_PAY: { closeProgress(); BaseHelper.log(TAG, st

rRet); try { String memo ="memo="; int imemoStart =

2 strRet.indexOf("memo="); imemoStart += memo.length(); int memo = imemoEnd =

8 strRet.indexOf(";result="); strRet.substring(imemoStart, 9 imemoEnd); 3 0 1 3 2 3 3 4 int retVal = resultChecker.checkSign(); if (retVal BaseHelper.showDialog( mActivity, "提示", == ResultChecker resultChecker =new 3 ResultChecker(strRet);

3 ResultChecker.RESULT_CHECK_SIGN_FAILED) {

3 5 mActivity.getResources().getString( 3 6 R.string.check_sign_failed), 3 7 android.R.drawable.ic_dialog_alert); 3 8 3 提示", memo, 9 4 0 4 1 4 2 4 3 ", strRet, 4 4 4 5 4 6 4 7 4 8 4 9 5 0 // close the progress bar }; } } super.handleMessage(msg); }catch (Exception e) { e.printStackTrace(); } } break; } icon); } }catch (Exception e) { e.printStackTrace(); icon); }else { BaseHelper.showDialog(mActivity,"

BaseHelper.showDialog(mActivity," 提 示

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void closeProgress() { try { if (mProgress !=null) { mProgress.dismiss(); mProgress =null; } }catch (Exception e) { e.printStackTrace(); } } public void pay() { MobileSecurePayHelper boolean mspHelper =new =

7 MobileSecurePayHelper(mActivity); isMobile_spExist 8 mspHelper.detectMobile_sp(); if (!isMobile_spExist) return; if (!checkInfo()) { BaseHelper.showDialog(mActivity,"提示", " 缺 少 partner 或 者 seller , ",

2 icon); return; } try { // prepare the order info. String orderInfo = getOrderInfo(); String signType = getSignType(); String strsign = sign(signType, orderInfo);

6 7 6 +"\"" +"&" 8 6 9 7 0 1 7 2 3 7 7 5 7 6 7 7 7 8 7 9 8 0 8 1 8 2 ==null }

strsign = URLEncoder.encode(strsign); String info = orderInfo +"&sign=" +"\"" + strsign + getSignType(); // start the pay. MobileSecurePayer msp =new MobileSecurePayer(); boolean bRet = msp.pay(info, mHandler,

7 AlixId.RQF_PAY, mActivity); if (bRet) { // show the progress bar to indicate that we have closeProgress(); mProgress =

7 started paying.

4 BaseHelper.showProgress(mActivity,null,"正在支付",false, true); }else ; }catch (Exception ex) { Toast.makeText(mActivity, R.string.remote_call_failed, Toast.LENGTH_SHORT).show(); }

private boolean checkInfo() { String partner = PartnerConfig.PARTNER; String seller = PartnerConfig.SELLER; if (partner ==null || partner.length() <=0 || seller

8 3 8 4 8 5 8 6 8 7 8 8 9 +"\""; 9 0 1 9 2 9 3 9 4 9 9 6 9 7 9 8 }

|| seller.length() <=0) return false; return true;

// get the selected order info for pay. String getOrderInfo() { String strOrderInfo ="partner=" +"\"" +

8 PartnerConfig.PARTNER +"\""; strOrderInfo +="&"; strOrderInfo +="seller=" +"\"" + PartnerConfig.SELLER strOrderInfo +="&"; strOrderInfo +="out_trade_no=" +"\"" +

9 getOutTradeNo() +"\""; strOrderInfo +="&"; //这笔交易价钱 strOrderInfo strOrderInfo +="&"; //这笔交易内容 strOrderInfo strOrderInfo +="&"; //这笔交易价钱 strOrderInfo +="total_fee=" +"\"" +"10.00" +"\""; strOrderInfo +="&"; strOrderI

nfo +="notify_url=" +"\"" +"/index.jsp" +="body=" +"\"" + +="subject=" +"\"" +

mActivity.getString(R.string.donate_subject) +"\"";

5 mActivity.getString(R.string.donate_body) +"\"";

9 +"\""; 9 1 0 0 1 0 1 0 2 1 0 3 1 0 4 1 0 5 1 0 6 1 0 7 1 0 8 1 0 9 // the OnCancelListener for lephone platform. static class AlixOnCancelListenerimplements DialogInterface.OnCancelListener { } // sign the order info. String sign(String signType, String content) { return Rsa.sign(content, PartnerConfig.RSA_PRIVATE); } // get the sign type we use. String getSignType() { String getSignType ="sign_type=" +"\"" +"RSA" +"\""; return getSignType; } java.util.Random r =new java.util.Random(); strKey = strKey + r.nextInt(); strKey = strKey.substring(0,15); return strKey; // get the out_trade_no for an order. String getOutTradeNo() { SimpleDateFormat Date date =new Date(); String strKey = format.format(date); format =new } return strOrderInfo;

1 SimpleDateFormat("MMddHHmmss");

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Activity mcontext; AlixOnCancelListener(Activity context) { mcontext = context; } public void onCancel(DialogInterface dialog) { mcontext.onKeyDown(KeyEvent.KEYCODE_BACK,null); }

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这个类的pay方法就是支付的方法，最简单的不设置的话，调用方法如下： 如果没有安装支付宝，它会提示你安装，如果已经安装，它直接让你选择付款：