Android-Pay

Project Url: mayubao/Android-Pay
Introduction: 支持微信和支付宝两种主流支付的集成库, 两行代码实现微信支付, 三行代码实现支付宝支付
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Tags:
支付 微信支付 支付宝支付-

中文

A pay library for Android, and which support Wechat pay and Ali pay. And developer can easily use Wechat pay in two lines of code. And developer can easily use Ali pay in three lines of code.

Setup

gradle

add these code in the file build.gradle as follow:

dependencies {
    //add pay library
    compile 'io.github.mayubao:pay_library:1.0.1'
}

maven

<dependency>
  <groupId>io.github.mayubao</groupId>
  <artifactId>pay_library</artifactId>
  <version>1.0.1</version>
  <type>pom</type>
</dependency>

Usage

Wechat Pay

        //1.create request for wechat pay
        WechatPayReq wechatPayReq = new WechatPayReq.Builder()
                .with(this) //activity instance
                .setAppId(appid) //wechat pay AppID
                .setPartnerId(partnerid)//wechat pay partner id
                .setPrepayId(prepayid)//pre pay id
//                                .setPackageValue(wechatPayReq.get)//"Sign=WXPay"
                .setNonceStr(noncestr)
                .setTimeStamp(timestamp)//time stamp
                .setSign(sign)//sign
                .create();
        //2. send the request with wechat pay
        PayAPI.getInstance().sendPayRequest(wechatPayReq);


        //set the callback for wechat pay
        //wechatPayReq.setOnWechatPayListener(new OnWechatPayListener);

Notes:WechatPayReq have no method to set the money, because the money info is include in the parameter 'prepayid'.

Ali Pay

First way(Not Recommend, and its partner rsa private key export in the client , it is very dangerous!)


        //step 1 create config for ali pay
        AliPayAPI.Config config = new AliPayAPI.Config.Builder()
                .setRsaPrivate(rsa_private) // rsa private key from partner (pkcs8 format)
                .setRsaPublic(rsa_public)//ali rsa public key
                .setPartner(partner) //set partner
                .setSeller(seller) //set partner seller accout
                .create();

        //step 2 create reqeust for ali
        AliPayReq aliPayReq = new AliPayReq.Builder()
                .with(activity)//Activity instance
                .apply(config)// the above custome config
                .setOutTradeNo(outTradeNo)//set unique trade no
                .setPrice(price)//set price
                .setSubject(orderSubject)//set order subject
                .setBody(orderBody)//set order detail
                .setCallbackUrl(callbackUrl)//set callback for pay reqest
                .create()//
                .setOnAliPayListener(null);//

        //step 3 send the request for ali pay
        PayAPI.getInstance().sendPayRequest(aliPayReq);

        // set the ali pay callback
        //aliPayReq.setOnAliPayListener(new OnAliPayListener);

Second way(Highly Recommend)

        //step 1 create raw ali pay order info
        String rawAliOrderInfo = new AliPayReq2.AliOrderInfo()
                .setPartner(partner) //set partner
                .setSeller(seller)  //set partner seller accout
                .setOutTradeNo(outTradeNo) //set unique trade no
                .setSubject(orderSubject) //set order subject
                .setBody(orderBody) //set order detail
                .setPrice(price) //set price
                .setCallbackUrl(callbackUrl) //set callback for pay reqest
                .createOrderInfo(); //create ali pay order info


        //step 2 get the signed ali pay order info
        String signAliOrderInfo = getSignAliOrderInfoFromServer(rawAliOrderInfo);

        //step 3 step 3 send the request for ali pay
        AliPayReq2 aliPayReq = new AliPayReq2.Builder()
                .with(activity)//Activity instance
                .setSignedAliPayOrderInfo(signAliOrderInfo)
                .setRawAliPayOrderInfo(rawAliOrderInfo)//set the ali pay order info
                .setSignedAliPayOrderInfo(signAliOrderInfo) //set the signed ali pay order info
                .create()//
                .setOnAliPayListener(null);//
        PayAPI.getInstance().sendPayRequest(aliPayReq);


        //set the ali pay callback
        //aliPayReq.setOnAliPayListener(new OnAliPayListener);

ISSUE

About Wechat Pay Callback

How to do :


1.new folder named 'wxapi' under your project root package

2.and create class WXPayEntryActivity under the wxapi 

3.implements IWXAPIEventHandler interface

The sample as follow:


 import android.app.Activity;
import android.app.AlertDialog;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.widget.Toast;

import com.tencent.mm.sdk.constants.ConstantsAPI;
import com.tencent.mm.sdk.modelbase.BaseReq;
import com.tencent.mm.sdk.modelbase.BaseResp;
import com.tencent.mm.sdk.openapi.IWXAPI;
import com.tencent.mm.sdk.openapi.IWXAPIEventHandler;
import com.tencent.mm.sdk.openapi.WXAPIFactory;

public class WXPayEntryActivity extends Activity implements IWXAPIEventHandler{

    private static final String TAG = "MicroMsg.SDKSample.WXPayEntryActivity";

    private IWXAPI api;

    //TODO need to replace your APP_ID
    private String APP_ID = "wx0xxxxxxxxx"; //need to replace your APP_ID

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
//        setContentView(R.layout.pay_result);

        api = WXAPIFactory.createWXAPI(this, APP_ID);
        api.handleIntent(getIntent(), this);
    }

    @Override
    protected void onNewIntent(Intent intent) {
        super.onNewIntent(intent);
        setIntent(intent);
        api.handleIntent(intent, this);
    }

    @Override
    public void onReq(BaseReq req) {
    }

    @Override
    public void onResp(BaseResp resp) {
        Log.d(TAG, "onPayFinish, errCode = " + resp.errCode);

        if (resp.getType() == ConstantsAPI.COMMAND_PAY_BY_WX) {
//            AlertDialog.Builder builder = new AlertDialog.Builder(this);
//            builder.setTitle(R.string.app_tip);
//            builder.setMessage(getString(R.string.pay_result_callback_msg, String.valueOf(resp.errCode)));
//            builder.show();

            //send the wechat pay broadcast receiver,and you should the define wechat pay broadcast receive 

            Intent intent = new Intent();
            intent.setAction(WeChatPayReceiver.ACTION_PAY_RESULT);
            intent.putExtra("result", resp.errCode);
            sendBroadcast(intent);

            finish();
        }
    }
}

Proguard


#pay_library
-dontwarn io.github.mayubao.pay_library.**
-keep class io.github.mayubao.pay_library.** {*;}

#wechat pay
-dontwarn com.tencent.**
-keep class com.tencent.** {*;}


#alipay
-dontwarn com.alipay.**
-keep class com.alipay.** {*;}

-dontwarn  com.ta.utdid2.**
-keep class com.ta.utdid2.** {*;}

-dontwarn  com.ut.device.**
-keep class com.ut.device.** {*;}

-dontwarn  org.json.alipay.**
-keep class corg.json.alipay.** {*;}

Document

wehcat pay official document

https://pay.weixin.qq.com/wiki/doc/api/app/app.php?chapter=8_5

ali pay official document

https://doc.open.alipay.com/docs/doc.htm?spm=a219a.7629140.0.0.sdGXaH&treeId=204&articleId=105296&docType=1

Help

If it is helpful to you, could you buy me a cup of coffee?

Wechat

Ali

支付宝支付

Lisence

Copyright 2017 mayubao

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
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