initStateAndTicker method

void initStateAndTicker(
  1. AssetPickerViewerState<A, P> s,
  2. TickerProvider v
)

Call when viewer is calling initState. 当预览器调用 initState 时注册 State 和 TickerProvider。

Implementation

void initStateAndTicker(AssetPickerViewerState<A, P> s, TickerProvider v) {
  viewerState = s;
  vsync = v;
}