Liam

you can show toast in callback method `onError `or `onResult` in `UpdateResultCallback `, when server has no new latest version available to download ,you can check onResult's param,compare version_code to...

@ahmerafzal1 I write a test method, and don't know if it can solve your problem,you can see [MainActivity](https://github.com/Leo0618/AppUpdate/blob/master/app/src/main/java/com/lzj/appupdateexample/MainActivity.java). for contacting me timely, you can send me email (email: [email protected])

我这边没有遇到过这个现象，为了保证运行正常，在电脑安装nodejs吧 https://nodejs.org/en/