MicroUtils/coroutines/src/androidMain/kotlin/RecursiveHierarchySubscribe...

18 lines
623 B
Kotlin

package dev.inmo.micro_utils.coroutines
import android.view.ViewGroup
import android.view.ViewGroup.OnHierarchyChangeListener
/**
* Use [ViewGroup.setOnHierarchyChangeListener] recursively for all available [ViewGroup]s starting with [this].
* This extension DO NOT guarantee that recursive subscription will happen after this method call
*/
fun ViewGroup.setOnHierarchyChangeListenerRecursively(
listener: OnHierarchyChangeListener
) {
setOnHierarchyChangeListener(listener)
(0 until childCount).forEach {
(getChildAt(it) as? ViewGroup) ?.setOnHierarchyChangeListenerRecursively(listener)
}
}