HandleEventWithViewEffect

HandleEvent.kt

override fun onCreate(savedInstanceStates: Bundle?) {
    viewModel.viewEffectPublisher.observe(this, Observer<Event<ViewEffect>> { event ->
        event.getContentIfNotHandled()?.let {
            handleViewEffects(it)
        }
    })
}

private fun handleViewEffects(viewEffect: ViewEffect) {
    when (viewEffect) {
        is ShowToast -> {
            Toast.makeText(this, viewEffect.message, Toast.LENGTH_SHORT).show()
        }
    }
}