onInit method

@override void onInit()

Called immediately after the widget is allocated in memory. You might use this to initialize something for the controller.

Implementation

@override
void onInit() {
  WidgetsBinding.instance.addPostFrameCallback((d) {
    childSize = _getWidgetSize(childKey);
    maxX = parentSize.width - childSize.width;
    maxY = parentSize.height - childSize.height;
  });
  super.onInit();
  _updateFlotWindowUserModel();
  _observerUserModelChange();
  _initWorker();
}