setLightShadowIfAttrTrue
Sets the elevation if the supplied boolean attribute is true
. If attrRes resolves to true
the elevation is set to tt_shadow_elevation_light
. If attrRes resolves to false
the elevation is set to 0.0F. If attrRes is null
the elevation is set to 0.0F.
Throws
if the given attribute cannot be found or doesn't refer to a valid boolean value.