didUnmountRenderObject method Null safety
- covariant RenderImage renderObject
override
A render object previously associated with this widget has been removed from the tree. The given RenderObject will be of the same type as returned by this object's createRenderObject.
Implementation
@override
void didUnmountRenderObject(RenderImage renderObject) {
// Have the render object dispose its image handle.
renderObject.image = null;
}