Added in API level 1

OnFocusChangeListener

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Kotlin |Java

interface OnFocusChangeListener

android.view.View.OnFocusChangeListener

Known Direct Subclasses TabWidget TabWidget Displays a list of tab labels representing each page in the parent's tab collection.

Interface definition for a callback to be invoked when the focus state of a view changed.

Summary

Public methods
abstract Unit	onFocusChange(v: View!, hasFocus: Boolean) Called when the focus state of a view has changed.

Public methods

onFocusChange

Added in API level 1

abstract fun onFocusChange(
    v: View!, 
    hasFocus: Boolean
): Unit

Called when the focus state of a view has changed.

Parameters
v	View!: The view whose state has changed.
hasFocus	Boolean: The new focus state of v.