Added in API level 1

RadioGroup.OnCheckedChangeListener

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Kotlin |Java

public static interface RadioGroup.OnCheckedChangeListener

android.widget.RadioGroup.OnCheckedChangeListener

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Interface definition for a callback to be invoked when the checked radio button changed in this group.

Summary

Public methods
abstract void	onCheckedChanged(RadioGroup group, int checkedId) Called when the checked radio button has changed.

Public methods

onCheckedChanged

Added in API level 1

public abstract void onCheckedChanged (RadioGroup group, 
                int checkedId)

Called when the checked radio button has changed. When the selection is cleared, checkedId is -1.

Parameters
group	RadioGroup: the group in which the checked radio button has changed This value cannot be null.
checkedId	int: the unique identifier of the newly checked radio button