I haven't seriously tried Kotterknife, anko (been meaning to!), or KBinding (hadn't heard of it before, will check it out) -- I'm currently enjoying the Kotlin

I haven't seriously tried Kotterknife, anko (been meaning to!), or KBinding (hadn't heard of it before, will check it out) -- I'm currently enjoying the Kotlin android extensions for referencing views inside custom viewgroups. I use field injection to pull in instantiated Picasso/Glide image libraries and to create/bind to persistent view presenters (it's a Mortar/Flow based app currently). I'm not sure if this is best practice or what but I feel reasonably comfortable having image loaders in the view (when those image loaders do their real work off the UI thread of course). Speaking of Kotterknife, I'm actually in the process of migrating away from Butterknife as I slowly port the app over to Kotlin. Butterknife is immensely useful for Java-based apps, IMO, but the Kotlin android extensions provide most of what I need and Kotlin's syntax largely takes care of the boilerplate I was avoiding by going with BK in the first place. I do miss string/integer/other binding but it's not so bad and, IIRC, kotterknife doesn't provide that anyway -- I explored adding it [1] but I didn't enjoy writing all that code and ended up giving up. I forgot to mention another use-case for lateinit: junit tests. I use lateinit in the test class when testing code that uses constructor injection. This is probably less controversial because it is just tests, though. [1] https://github.com/dpkirchner/kotterknife/commit/39dda1965ee29740cab2e95c3930d968855f1f8b https://github.com/dpkirchner/kotterknife/commit/39dda1965ee...