handleStartBackGesture method
- double progress = 0.0,
override
Handles a predictive back gesture starting.
The progress
parameter indicates the progress of the gesture from 0.0 to
1.0, as in PredictiveBackEvent.progress.
Implementation
@override
void handleStartBackGesture({double progress = 0.0}) {
assert(isCurrent);
_controller?.value = progress;
navigator?.didStartUserGesture();
}