setShadowDrawable

open fun setShadowDrawable(drawable: Drawable?)(source)

Deprecated

Renamed to {@link #setShadowDrawableLeft(Drawable d)} to support LTR (left to right language) and {@link #setShadowDrawableRight(Drawable d)} to support RTL (right to left language) during opening/closing.

Replace with

setShadowDrawableLeft(d)

Set a drawable to use as a shadow.