BotToastInit function
Implementation
TransitionBuilder BotToastInit() {
//确保提前初始化,保证WidgetsBinding.instance.addObserver(this);的顺序
//ignore: unnecessary_statements
BotToastWidgetsBindingObserver._singleton;
return (_, Widget? child) {
return BotToastManager(key: _key, child: child!);
};
}