Android关于微信小程序的唤起和分享

public class WXProxy {
    private IWXAPI mShareAPI;
    /**
     * 构造为api
     * @param context  上下文环境
     * @param isPublic 微信公众账号的key，还是微信登录的key
     */
    public WXProxy(Context context, boolean isPublic) {
        mContext = context.getApplicationContext();
        mShareAPI = WXAPIFactory.createWXAPI(mContext, isPublic ? Config.APP_PUBLIC_KEY : Config.APP_KEY);
    }
    /**
     * 唤起微信小程序
     * @param username  填小程序原始id
     * @param path  拉起小程序页面的可带参路径，不填默认拉起小程序首页
     * @param type  miniprogramtype 0是正式 1是开发 2是体验版本
     */
    public void launchMiniProgram(String username, String path, int type) {
        final WXLaunchMiniProgram.Req req = new WXLaunchMiniProgram.Req();
        req.userName = username;
        req.path = path;
        req.miniprogramType = type;
        mShareAPI.sendReq(req);
    }
    //分享微信小程序
    private void shareMiniProgramObject(WxMiniInfo info, final int platform) {
        WXMiniProgramObject miniProgramObj = new WXMiniProgramObject();
        miniProgramObj.webpageUrl = info.getWebpageUrl(); // 兼容低版本的网页链接
        miniProgramObj.miniprogramType = info.getMiniprogramType();// 正式版:0，测试版:1，体验版:2
        miniProgramObj.userName = info.getUserName();     // 小程序原始id
        miniProgramObj.path = info.getPath();            //小程序页面路径
        final WXMediaMessage msg = new WXMediaMessage(miniProgramObj);
        msg.title = info.getTitle();                    // 小程序消息title
        msg.description = info.getDescription();               // 小程序消息desc
        msg.thumbData = getThumb();                      // 小程序消息封面图片，小于128k(必传)
        SendMessageToWX.Req req = new SendMessageToWX.Req();
        req.transaction = buildTransaction("webpage"); // transaction字段用于唯一标识一个请求
        req.message = msg;
        req.scene = SendMessageToWX.Req.WXSceneSession;
        mShareAPI.sendReq(req);
    }
}