systemBackNavigation method

FormStack systemBackNavigation(
  1. bool disabled,
  2. VoidCallback onBackNavigationClick, {
  3. String? formName = "default",
})

Prevent System back navigation or getting call back when the user click the system back button.

Implementation

FormStack systemBackNavigation(
    bool disabled, VoidCallback onBackNavigationClick,
    {String? formName = "default"}) {
  FormStackForm? formStack = _forms[formName];
  if (formStack != null) {
    formStack.preventSystemBackNavigation = disabled;
    formStack.onSystemNagiationBackClick = onBackNavigationClick;
  }
  return this;
}