epoxy.kt

class MainActivity : AppCompatActivity() {
    val controller = MySweetController()
    var vmList = arrayListOf<MySweetViewModelable>()
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)
        vmList.add(TitleViewModel("Hello, Ebisu!"))
        // ...
        my_sweet_recycler_view.adapter = controller.adapter
        updateController()
    }
    private fun updateController() {
        controller.setData(vmList)
    }
}
interface MySweetViewModelable {}
class TitleViewModel(val text: String): MySweetViewModelable
class FeedViewModel(
        val title: String,
        val text: String
) : MySweetViewModelable
class FooterViewModel(val text: String): MySweetViewModelable
class MySweetController: TypedEpoxyController<List<MySweetViewModelable>>() {
    @AutoModel lateinit var title: TitleBindingModel_
    @AutoModel lateinit var footer: FooterBindingModel_
    override fun buildModels(vmList: List<MySweetViewModelable>?) {
        vmList ?: return
        title.vm(vmList.first() as TitleViewModel)
        vmList.subList(1, vmList.size - 1).forEachIndexed { index, vm ->
            FeedBindingModel_()
                .id(index)
                .vm(vm as FeedViewModel)
                .addTo(this)
        }
        footer.vm(vmList.last() as FooterViewModel)
    }
}