Added in API level 12

OnAttachStateChangeListener

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Kotlin |Java

interface OnAttachStateChangeListener

android.view.View.OnAttachStateChangeListener

Interface definition for a callback to be invoked when this view is attached or detached from its window.

Summary

Public methods
abstract Unit	onViewAttachedToWindow(v: View) Called when the view is attached to a window.
abstract Unit	onViewDetachedFromWindow(v: View) Called when the view is detached from a window.

Public methods

onViewAttachedToWindow

Added in API level 12

abstract fun onViewAttachedToWindow(v: View): Unit

Called when the view is attached to a window.

Parameters
v	View: The view that was attached This value cannot be null.

onViewDetachedFromWindow

Added in API level 12

abstract fun onViewDetachedFromWindow(v: View): Unit

Called when the view is detached from a window.

Parameters
v	View: The view that was detached This value cannot be null.