onNeedsRender property

@override VoidCallback? get onNeedsRender

Callback invoked when another frame should be scheduled.

Implementation

@override
VoidCallback? get onNeedsRender => _onNeedsRender;

@override set onNeedsRender (VoidCallback? callback)

Called when asynchronous renderer work means another frame should render.

Implementation

@override
set onNeedsRender(VoidCallback? callback) {
  _onNeedsRender = callback;
}