showWithTickerVsyncBuilder static method
OverlayShower
showWithTickerVsyncBuilder({
- String? key,
- required void tickerBuilder(
- OverlayShower shower,
- TickerProviderStateMixin<
StatefulWidget> vsync
Implementation
static OverlayShower showWithTickerVsyncBuilder({
String? key,
required void Function(OverlayShower shower, TickerProviderStateMixin vsync) tickerBuilder,
}) {
// Tricky: show a Offstage first, then we got the vsync state :)
OverlayShower shower = OverlayWrapper.show(const Offstage(offstage: true), key: key);
shower.isWithTicker = true;
shower.addShowCallBack((shower) {
State? state = shower.statefulKey.currentState;
if (state is BuilderWithTickerState) {
// type and not-null checked
tickerBuilder(shower, state);
}
});
return shower;
}