createMain method
Implementation
Widget createMain() {
final ScreenState state = widget.history.current;
final Widget currentWidget = state.screen.get(state);
final ScreenState? previous = widget.history.previous;
if (previous != state) {
// Deactivate and Activate listeners for Screen
if (previous != null) {
previous.screen
.invokeListeners(previous, ScreenStatus.deactivated, null);
}
state.screen
.invokeListeners(state, ScreenStatus.activated, currentWidget);
}
return stack;
}