Pretty much the first link in the guide, to download the latest version of rivets.js, is a broken link. It's this one:

You can grab the latest stable release here or install

compile改成implementation，比如如下

implementation "com.github.bumptech.glide:glide:$glideVersion"
kapt "com.github.bumptech.glide:compiler:$glideVersion"
implementation "com.github.bumptech.glide:okhttp3-integration:$glideVersion"
implementation ("com.github.bumptech.glide:recyclerview-integration:$glideVersion@aar") {
    // Excludes the support library because it's already i

• viewmodel creating (with android viewModelProvider)
• livedata read & write, mapping, flatMap, merge
• events dispatching
• suspend functions in coroutine scope
• state management in livedata