CompositeDrawable

open class CompositeDrawable : Drawable, Callback

kotlin.Any
↳	android.graphics.drawable.Drawable
	↳	androidx.leanback.graphics.CompositeDrawable

Generic drawable class that can be composed of multiple children. Whenever the bounds changes for this class, it updates those of its children.

Summary

Nested classes
	`ChildDrawable` Wrapper class holding a drawable object and `BoundsRule` to update drawable bounds when parent bound changes.

Public constructors
`<init>()`

Public methods
open Unit	`draw(canvas: Canvas!)`
open Int	`getChildCount()` Returns the total number of children.
open Int	`getAlpha()`
open Unit	`setAlpha(alpha: Int)`
open CompositeDrawable.ChildDrawable!	`getChildAt(index: Int)` Returns the `ChildDrawable` at the given index.
open Int	`getOpacity()`
open Drawable!	`getDrawable(index: Int)` Returns the `Drawable` for the given index.
open Unit	`invalidateDrawable(who: Drawable!)`
open Unit	`removeChild(index: Int)` Removes the child corresponding to the given index.
open Unit	`scheduleDrawable(who: Drawable!, what: Runnable!, when: Long)`
open Drawable!	`mutate()`
open Unit	`addChildDrawable(drawable: Drawable!)` Adds the supplied region.
open Unit	`removeDrawable(drawable: Drawable!)` Removes the given region.
open Unit	`unscheduleDrawable(who: Drawable!, what: Runnable!)`
open Unit	`setChildDrawableAt(index: Int, drawable: Drawable!)` Sets the supplied region at given index.
open Unit	`setColorFilter(colorFilter: ColorFilter!)`
open ConstantState!	`getConstantState()`

Protected methods
open Unit	`onBoundsChange(bounds: Rect!)`

CompositeDrawable()

open fun draw(canvas: Canvas!): Unit

open fun getChildCount(): Int

Returns the total number of children.

open fun getAlpha(): Int

Return
Int: Alpha value between 0(inclusive) and 255(inclusive)

open fun setAlpha(alpha: Int): Unit

open fun getChildAt(index: Int): CompositeDrawable.ChildDrawable!

Returns the ChildDrawable at the given index.

open fun getOpacity(): Int

open fun getDrawable(index: Int): Drawable!

Returns the Drawable for the given index.

open fun invalidateDrawable(who: Drawable!): Unit

open fun removeChild(index: Int): Unit

Removes the child corresponding to the given index.

open fun scheduleDrawable(who: Drawable!, what: Runnable!, when: Long): Unit

open fun mutate(): Drawable!

open fun addChildDrawable(drawable: Drawable!): Unit

Adds the supplied region.

open fun removeDrawable(drawable: Drawable!): Unit

Removes the given region.

open fun unscheduleDrawable(who: Drawable!, what: Runnable!): Unit

open fun setChildDrawableAt(index: Int, drawable: Drawable!): Unit

Sets the supplied region at given index.

open fun setColorFilter(colorFilter: ColorFilter!): Unit

open fun getConstantState(): ConstantState!

protected open fun onBoundsChange(bounds: Rect!): Unit