prepareNotifier property

SafeValueNotifier<int> prepareNotifier

prepare 事件通知器

每次 prepare() 调用时触发，监听者自行决定是否记录时间戳。

Fires on each prepare() call. Listeners decide whether to capture a timestamp themselves.

Implementation

final SafeValueNotifier<int> prepareNotifier = SafeValueNotifier(0);