Added in API level 1

Checkable

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Kotlin |Java

interface Checkable

android.widget.Checkable

Known Direct Subclasses CheckedTextView, CompoundButton CheckedTextView An extension to TextView that supports the Checkable interface and displays. CompoundButton A button with two states, checked and unchecked.

Known Indirect Subclasses CheckBox, RadioButton, Switch, ToggleButton CheckBox A checkbox is a specific type of two-states button that can be either checked or unchecked. RadioButton A radio button is a two-states button that can be either checked or unchecked. Switch A Switch is a two-state toggle widget. ToggleButton Displays checked/unchecked states as a button with a "light" indicator and by default accompanied with the text "ON" or "OFF".

Defines an extension for views that make them checkable.

Summary

Public methods
abstract Boolean	isChecked()
abstract Unit	setChecked(checked: Boolean) Change the checked state of the view
abstract Unit	toggle() Change the checked state of the view to the inverse of its current state

Public methods

isChecked

Added in API level 1

abstract fun isChecked(): Boolean

Return
Boolean	The current checked state of the view

setChecked

Added in API level 1

abstract fun setChecked(checked: Boolean): Unit

Change the checked state of the view

Parameters
checked	Boolean: The new checked state

toggle

Added in API level 1

abstract fun toggle(): Unit

Change the checked state of the view to the inverse of its current state