Added in API level 1

Summary: Methods

View.OnFocusChangeListener

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Kotlin |Java

public static interface View.OnFocusChangeListener

android.view.View.OnFocusChangeListener

Known indirect subclasses TabWidget TabWidget This class was deprecated in API level 30. new applications should use fragment APIs instead of this class: Use TabLayout and ViewPager instead.

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

Summary

Public methods
abstract void	onFocusChange(View v, boolean hasFocus) Called when the focus state of a view has changed.

Public methods

onFocusChange

Added in API level 1

public abstract void onFocusChange (View v, 
                boolean hasFocus)

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.