@sesame/react-native-wechat

WeChat SDK wrapper for react native 0.60+, support iOS and android

Why

yorkie's react-native-wechat was unmaintaned for a long time, with react native 0.60 release, that repo was unable to use.

This repo is ported and modified from yorkie's work.

Table of Contents

• Installation
• API Documentation
• TODO
• License

Installation

install package

$ yarn add @sesame/react-native-wechat --save
$ cd ios && pod install && cd ..

configure iOS project

reference: wechat sdk ios integrate guide

• Open your app xcode project, TARGETS->Info->URL Types->URL Schemas, input your wechat app id.

configure android project

reference: wechat sdk android integrate guide

• android/app/proguard-rules.pro

  copy following content to proguard file:

   -keep class com.tencent.mm.opensdk.** {
       *;
   }
     
   -keep class com.tencent.wxop.** {
       *;
   }

• android/app/src/main/java/YOUR/PACKAGE/PATH

  create file wxapi/WXEntryActivity.java

  package YOUR.PACKAGE.PATH.wxapi;
    
  import android.app.Activity;
  import android.os.Bundle;
  import cn.net.sesame.wechat.RNWechatModule;
    
  public class WXEntryActivity extends Activity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      RNWechatModule.handleIntent(getIntent());
      finish();
    }
  }

• android/app/src/main/AndroidManifest.xml

  add activey info:

    <activity
        android:name=".wxapi.WXEntryActivity"
        android:label="@string/app_name"
        android:theme="@android:style/Theme.Translucent.NoTitleBar"
        android:exported="true"
        android:taskAffinity="YOUR.PACKAGE.PATH"
        android:launchMode="singleTask">
      </activity>  

API Documentation

[react-native-wechat] uses Promises, therefore you can use Promise or async/await to manage your dataflow.

registerApp(appid)

• appid {String} the appid you get from WeChat dashboard
• returns {Boolean} explains if your application is registered done

This method should be called once globally.

import * as WeChat from 'react-native-wechat';

WeChat.registerApp('appid');

isWXAppInstalled()

• returns {Boolean} if WeChat is installed.

Check if the WeChat app is installed on the device.

getApiVersion()

• returns {String} Contains the result.

Get the WeChat SDK api version.

openWXApp()

• returns {Boolean}

Open the WeChat app from your application.

sendAuthRequest([scope[, state]])

• scope {Array|String} Scopes of auth request.
• state {String} the state of OAuth2
• returns {Object}

Send authentication request, and it returns an object with the following fields:

| field | type | description | |---------|--------|-------------------------------------| | errCode | Number | Error Code | | errStr | String | Error message if any error occurred | | openId | String | | | code | String | Authorization code | | url | String | The URL string | | lang | String | The user language | | country | String | The user country |

class ShareMetadata

• type {Number} type of this message. Can be {news|text|imageUrl|imageFile|imageResource|video|audio|file}
• thumbImage {String} Thumb image of the message, which can be a uri or a resource id.
• description {String} The description about the sharing.
• webpageUrl {String} Required if type equals news. The webpage link to share.
• imageUrl {String} Provide a remote image if type equals image.
• videoUrl {String} Provide a remote video if type equals video.
• musicUrl {String} Provide a remote music if type equals audio.
• filePath {String} Provide a local file if type equals file.
• fileExtension {String} Provide the file type if type equals file.

shareToTimeline(message)

• message {ShareMetadata} This object saves the metadata for sharing
• returns {Object}

Share a ShareMetadata message to timeline(朋友圈) and returns:

| name | type | description | |---------|--------|-------------------------------------| | errCode | Number | 0 if authorization successed | | errStr | String | Error message if any error occurred |

The following examples require the 'react-native-chat' and 'react-native-fs' packages.

import * as WeChat from 'react-native-wechat';
import fs from 'react-native-fs';
let resolveAssetSource = require('resolveAssetSource');

// Code example to share text message:
try {
  let result = await WeChat.shareToTimeline({
    type: 'text', 
    description: 'hello, wechat'
  });
  console.log('share text message to time line successful:', result);
} catch (e) {
  if (e instanceof WeChat.WechatError) {
    console.error(e.stack);
  } else {
    throw e;
  }
}

// Code example to share image url:
// Share raw http(s) image from web will always fail with unknown reason, please use image file or image resource instead
try {
  let result = await WeChat.shareToTimeline({
    type: 'imageUrl',
    title: 'web image',
    description: 'share web image to time line',
    mediaTagName: 'email signature',
    messageAction: undefined,
    messageExt: undefined,
    imageUrl: 'http://www.ncloud.hk/email-signature-262x100.png'
  });
  console.log('share image url to time line successful:', result);
} catch (e) {
  if (e instanceof WeChat.WechatError) {
    console.error(e.stack);
  } else {
    throw e;
  }
}

// Code example to share image file:
try {
  let rootPath = fs.DocumentDirectoryPath;
  let savePath = rootPath + '/email-signature-262x100.png';
  console.log(savePath);
  
  /*
   * savePath on iOS may be:
   *  /var/mobile/Containers/Data/Application/B1308E13-35F1-41AB-A20D-3117BE8EE8FE/Documents/email-signature-262x100.png
   *
   * savePath on Android may be:
   *  /data/data/com.wechatsample/files/email-signature-262x100.png
   **/
  await fs.downloadFile('http://www.ncloud.hk/email-signature-262x100.png', savePath);
  let result = await WeChat.shareToTimeline({
    type: 'imageFile',
    title: 'image file download from network',
    description: 'share image file to time line',
    mediaTagName: 'email signature',
    messageAction: undefined,
    messageExt: undefined,
    imageUrl: "file://" + savePath // require the prefix on both iOS and Android platform
  });
  console.log('share image file to time line successful:', result);
} catch (e) {
  if (e instanceof WeChat.WechatError) {
    console.error(e.stack);
  } else {
    throw e;
  }
}

// Code example to share image resource:
try {
  let imageResource = require('./email-signature-262x100.png');
  let result = await WeChat.shareToTimeline({
    type: 'imageResource',
    title: 'resource image',
    description: 'share resource image to time line',
    mediaTagName: 'email signature',
    messageAction: undefined,
    messageExt: undefined,
    imageUrl: resolveAssetSource(imageResource).uri
  });
  console.log('share resource image to time line successful', result);
}
catch (e) {
  if (e instanceof WeChat.WechatError) {
    console.error(e.stack);
  } else {
    throw e;
  }
}

// Code example to download an word file from web, then share it to WeChat session
// only support to share to session but time line
// iOS code use DocumentDirectoryPath
try {
  let rootPath = fs.DocumentDirectoryPath;
  let fileName = 'signature_method.doc';
  /*
   * savePath on iOS may be:
   *  /var/mobile/Containers/Data/Application/B1308E13-35F1-41AB-A20D-3117BE8EE8FE/Documents/signature_method.doc
   **/ 
  let savePath = rootPath + '/' + fileName;

  await fs.downloadFile('https://open.weixin.qq.com/zh_CN/htmledition/res/assets/signature_method.doc', savePath);
  let result = await WeChat.shareToSession({
    type: 'file',
    title: fileName, // WeChat app treat title as file name
    description: 'share word file to chat session',
    mediaTagName: 'word file',
    messageAction: undefined,
    messageExt: undefined,
    filePath: savePath,
    fileExtension: '.doc'
  });
  console.log('share word file to chat session successful', result);
} catch (e) {
  if (e instanceof WeChat.WechatError) {
    console.error(e.stack);
  } else {
    throw e;
  }
}

//android code use ExternalDirectoryPath
try {
  let rootPath = fs.ExternalDirectoryPath;
  let fileName = 'signature_method.doc';
  /*
   * savePath on Android may be:
   *  /storage/emulated/0/Android/data/com.wechatsample/files/signature_method.doc
   **/
  let savePath = rootPath + '/' + fileName;
  await fs.downloadFile('https://open.weixin.qq.com/zh_CN/htmledition/res/assets/signature_method.doc', savePath);
  let result = await WeChat.shareToSession({
    type: 'file',
    title: fileName, // WeChat app treat title as file name
    description: 'share word file to chat session',
    mediaTagName: 'word file',
    messageAction: undefined,
    messageExt: undefined,
    filePath: savePath,
    fileExtension: '.doc'
  });
  console.log('share word file to chat session successful', result);
}
catch (e) {
  if (e instanceof WeChat.WechatError) {
    console.error(e.stack);
  } else {
    throw e;
  }
}

shareToSession(message)

• message {ShareMetadata} This object saves the metadata for sharing
• returns {Object}

Similar to shareToTimeline but sends the message to a friend or chat group.

pay(payload)

• payload {Object} the payment data
  • partnerId {String} 商家向财付通申请的商家ID
  • prepayId {String} 预支付订单ID
  • nonceStr {String} 随机串
  • timeStamp {String} 时间戳
  • package {String} 商家根据财付通文档填写的数据和签名
  • sign {String} 商家根据微信开放平台文档对数据做的签名
• returns {Object}

Sends request for proceeding payment, then returns an object:

| name | type | description | |---------|--------|-------------------------------------| | errCode | Number | 0 if authorization successed | | errStr | String | Error message if any error occurred |

Todo

• [ ] test each api
• [ ] add api usage in example project

License

MIT