ThemedSpinnerAdapter

Kotlin |Java

interface ThemedSpinnerAdapter : SpinnerAdapter

androidx.appcompat.widget.ThemedSpinnerAdapter

An extension of SpinnerAdapter that is capable of inflating drop-down views against a different theme than normal views.

Classes that implement this interface should use the theme provided to setDropDownViewTheme(Theme) when creating views in SpinnerAdapter#getDropDownView(int, View, ViewGroup).

The Helper class is provided to aide implementation in a backwards compatible way.

Summary

Nested classes
	Helper A helper class which allows easy integration of ThemedSpinnerAdapter into existing SpinnerAdapters in a backwards compatible way.

Public methods
abstract Theme?	getDropDownViewTheme() Returns the value previously set by a call to setDropDownViewTheme(Theme).
abstract Unit	setDropDownViewTheme(@Nullable theme: Theme?) Sets the Resources.Theme against which drop-down views are inflated.

Public methods

getDropDownViewTheme

@Nullable abstract fun getDropDownViewTheme(): Theme?

Returns the value previously set by a call to setDropDownViewTheme(Theme).

Return
Theme?: the Resources.Theme against which drop-down views are inflated, or null if one has not been explicitly set

setDropDownViewTheme

abstract fun setDropDownViewTheme(@Nullable theme: Theme?): Unit

Sets the Resources.Theme against which drop-down views are inflated.

Parameters
theme	Theme?: the context against which to inflate drop-down views, or null to use the default theme

See Also

• SpinnerAdapter#getDropDownView(int, View, ViewGroup)