Nullability and LiveData with Kotlin

Question

I want to use LiveData with Kotlin and have values that should not be null. How do you deal with this? Perhaps a wrapper around LiveData? Searching for good patterns here .. As

Answer 1

You can create an extension for LifecycleOwner

fun  LifecycleOwner.observe(liveData: LiveData, lambda: (T) -> Unit) {
    liveData.observe(this, Observer { if (it != null) lambda(it) })
}

and then in your fragment/activity

observe(liveData) { ... }