showDebugBtn function
显示全局悬浮调试按钮
Implementation
showDebugBtn(BuildContext context, {Widget? button, Color? btnColor}) {
///widget第一次渲染完成
WidgetsBinding.instance.addPostFrameCallback((_) {
dismissDebugBtn();
itemEntry = OverlayEntry(builder: (BuildContext context) => button ?? DraggableButtonWidget(btnColor: btnColor));
///显示悬浮menu
Overlay.of(context)?.insert(itemEntry!);
});
}