const MaterialApp({
Key key,
this.navigatorKey,
this.home,
this.routes = const <String, WidgetBuilder>{},
this.initialRoute,
this.onGenerateRoute,
this.onUnknownRoute,
this.navigatorObservers = const <NavigatorObserver>[],
this.builder,
this.title = '',
this.onGenerateTitle,
this.color,
this.theme,
this.darkTheme,
this.themeMode = ThemeMode.system,
this.locale,
this.localizationsDelegates,
this.localeListResolutionCallback,
this.localeResolutionCallback,
this.supportedLocales = const <Locale>[Locale('en', 'US')],
this.debugShowMaterialGrid = false,
this.showPerformanceOverlay = false,
this.checkerboardRasterCacheImages = false,
this.checkerboardOffscreenLayers = false,
this.showSemanticsDebugger = false,
this.debugShowCheckedModeBanner = true,
})