Android APP拉起小程序、分享小程序、小程序打开APP


配置参考:https://blog.csdn.net/yechaoa/article/details/78469539

APP拉起小程序

	private void launchMiniProgram(String path) {
        String appId = "你的appid"; // 填应用AppId
        IWXAPI api = WXAPIFactory.createWXAPI(PinDanActivity.this, appId);

        WXLaunchMiniProgram.Req req = new WXLaunchMiniProgram.Req();
        req.userName = "原始id"; // 填小程序原始id
        req.path = 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
        req.miniprogramType = WXLaunchMiniProgram.Req.MINIPROGRAM_TYPE_PREVIEW;// 可选打开 开发版,体验版和正式版
        api.sendReq(req);
    }
  • req.userName 参数是小程序原始id,不是小程序的appid,不然会提示跳转失败。
  • req.path 参数是小程序里面的页面路径,及json文件里面的路径,比如:/pages/index/index?id=1
  • req.miniprogramType 小程序的版本

回调WXEntryActivity

	@Override
    public void onResp(BaseResp baseResp) {
        // baseresp.getType 1:第三方授权, 2:分享
        LogUtil.i("baseresp.getType = " + baseResp.getType());
        switch (baseResp.getType()) {
            case 1:
              
                break;
            case 2:
              
                break;
            case ConstantsAPI.COMMAND_LAUNCH_WX_MINIPROGRAM:
                WXLaunchMiniProgram.Resp launchMiniProResp = (WXLaunchMiniProgram.Resp) baseResp;
                //获取参数
                String extraData = launchMiniProResp.extMsg; //对应小程序组件 

APP分享小程序

    private void shareMiniProgram(String url) {
        WXMiniProgramObject miniProgramObj = new WXMiniProgramObject();
        miniProgramObj.webpageUrl = url; // 兼容低版本的网页链接
        miniProgramObj.miniprogramType = WXMiniProgramObject.MINIPROGRAM_TYPE_PREVIEW;// 正式版:0,测试版:1,体验版:2
        miniProgramObj.userName = "原始id";     // 小程序原始id
        miniProgramObj.path = "/pages/home/home";        //小程序页面路径

        WXMediaMessage msg = new WXMediaMessage(miniProgramObj);
        msg.title ="分享的标题"; // 小程序消息title
        msg.description = "分享的描述";   // 小程序消息desc
        Bitmap bitmap = BitmapFactory.decodeResource(getResources(), R.drawable.pindan);
        msg.thumbData = bmpToByteArray(bitmap, true);   // 小程序消息封面图片,小于128k

        SendMessageToWX.Req req = new SendMessageToWX.Req();
        req.transaction = buildTransaction("webpage");
        req.message = msg;
        req.scene = SendMessageToWX.Req.WXSceneSession;  // 目前支持会话
        api.sendReq(req);
    }

小程序打开APP


  • open-type=“launchApp” 开放能力
  • app-parameter=“wechat” 传参
  • binderror=“launchAppError” 失败回调
Page({
  launchAppError (e) {
    console.log(e.detail.errMsg)
  }
})

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