didUnmountRenderObject method Null safety

  1. @override
void didUnmountRenderObject(
  1. 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;
}