mehmetf

class CacheControl extends WidgetsBindingObserver {
  CacheControl() {
    WidgetsBinding.instance.addObserver(this);
  }

  void _cleanAllCache() {
    // Cleans all cache.
  }

  @override

mehmetf

 // Hide your app’s key window when your app will resign active.
 — (void)applicationWillResignActive:(UIApplication *)application {
   self.window.hidden = YES;
 }
 // Show your app’s key window when your app becomes active again.
 — (void)applicationDidBecomeActive:(UIApplication *)application {
   self.window.hidden = NO;
 }

mehmetf

- (void)applicationWillResignActive:(UIApplication *)application {
  UIView *__autoreleasing colorView =
      [[UIView alloc] initWithFrame:self.window.frame];
  // Can be any integer you’re not using as a tag.
  colorView.tag = 9999;
  
  // Here we used white as the subview color.
  colorView.backgroundColor = [UIColor whiteColor];
  [self.window addSubview:colorView];
  [self.window bringSubviewToFront:colorView];

mehmetf

/// Platform agnostic navigation definition.
class NavigationItem {
  final Icon icon;
  final String title;
  final VoidCallback onTap;

  NavigationItem({this.icon, this.title, this.onTap});
}

/// Helper for returning platform specific navigation items.

mehmetf

var navItems = <NavigationItem>[
    new NavigationItem(
        icon: const Icon(Icons.home),
        title: 'Home',
        onTap: () => Navigator.pushNamed(context, '/')),
    new NavigationItem(
        icon: const Icon(Icons.change_history),
        title: 'Hidden',
        onTap: () => Navigator.pushNamed(context, '/hidden')),
  ];

mehmetf

class ScaffoldWithNavigation extends StatelessWidget {
  final List<NavigationItem> navItems;
  final NavigationItem selectedItem;
  final AppBar appbar;
  final Widget body;
  final FloatingActionButton button;

  ScaffoldWithNavigation({
    this.appbar,
    this.navItems,

mehmetf

class MyPage extends StatelessWidget {
  final int accountId;
  final int scopeId;
  
  MyPage(this.accountId, this.scopeId);
  
  Widget build(BuildContext context) {
    return new MyWidget(accountId, scopeId);
  }
}

mehmetf

class MyInheritedWidget extends InheritedWidget {
  final int accountId;
  final int scopeId;

  MyInheritedWidget(accountId, scopeId, child): super(child);
  
  @override
  bool updateShouldNotify(MyInheritedWidget old) =>
    accountId != old.accountId || scopeId != old.scopeId;
}

mehmetf

class MyAppContext {
  int teamId;
  String teamName;
  
  int studentId;
  String studentName;
  
  int classId;
  ...
}

mehmetf

class TeamContext {
  int teamId;
  String teamName;
}

class StudentContext {
  int studentId;
  String studentName;
}