buildByCupertino method

@override Widget buildByCupertino(BuildContext context)

build on cupertino mode (Flutter implementation)

Implementation

@override
Widget buildByCupertino(BuildContext context) {
  // Check if drawers are present - if so, automatically use Material design
  // This ensures Scaffold.of(context).openDrawer() works without manual forceUseMaterial
  final Widget? drawer = valueOf('drawer', this.drawer);
  final Widget? endDrawer = valueOf('endDrawer', this.endDrawer);
  final Widget? fab =
      valueOf('floatingActionButton', this.floatingActionButton);

  if (drawer != null || endDrawer != null || fab != null) {
    // Automatically use Material design when drawers or FAB are present
    // This provides the proper Scaffold context for these Material-only features
    return buildByMaterial(context);
  }

  final Widget body = valueOf('body', this.body);
  assert(body != null, 'body can\'t be null');
  final Color? backgroundColor =
      valueOf('backgroundColor', this.backgroundColor);
  final BaseAppBar? appBar =
      valueOf('appBar', this.appBar) ?? valueOf('navBar', navBar);
  final double? appBarHeight = BaseTheme.of(context)
      .valueOf('appBarHeight', BaseTheme.of(context).appBarHeight);
  Widget? navigationBar;
  if (appBarHeight != null && appBar != null) {
    navigationBar = appBar.build(context);
  } else {
    navigationBar = appBar;
  }

  // Type-safe navigation bar assignment
  // If the navigation bar is not an ObstructingPreferredSizeWidget (e.g., BaseAppBar forced to Material mode),
  // automatically fall back to using Material's Scaffold to display it properly
  if (navigationBar != null &&
      navigationBar is! ObstructingPreferredSizeWidget) {
    // Navigation bar is not compatible with CupertinoPageScaffold
    // Switch to Material Scaffold to display it properly
    return buildByMaterial(context);
  }

  ObstructingPreferredSizeWidget? cupertinoNavigationBar;
  if (navigationBar != null &&
      navigationBar is ObstructingPreferredSizeWidget) {
    cupertinoNavigationBar = navigationBar;
  }

  // Intelligent body wrapping with SafeArea
  final Widget _child = _wrapBodyWithSafeArea(body, appBar);

  return CupertinoPageScaffold(
    navigationBar: cupertinoNavigationBar,
    backgroundColor: backgroundColor,
    resizeToAvoidBottomInset:
        valueOf('resizeToAvoidBottomInset', resizeToAvoidBottomInset),
    child: _child,
  );
}