Tweaks and bug fixes for main.dart

Author: Woosignal

LabelStoreMax/lib/main.dart

@@ -31,101 +31,94 @@ import 'package:label_storemax/helpers/app_themes.dart';
 import 'package:label_storemax/helpers/app_localizations.dart';
 
 void main() async {
-  Widget _defaultHome = new HomePage();
+  WidgetsFlutterBinding.ensureInitialized();
+  
+  await SystemChrome.setPreferredOrientations([
+    DeviceOrientation.portraitUp,
+  ]);
 
-  SystemChrome.setPreferredOrientations([DeviceOrientation.portraitUp]).then(
-    (_) {
-      _defaultHome = HomePage();
+  runApp(
+    new MaterialApp(
+      title: app_name,
+      color: Colors.white,
+      debugShowCheckedModeBanner: false,
+      initialRoute: "/home",
+      routes: <String, WidgetBuilder>{
+        '/home': (BuildContext context) => new HomePage(),
+        '/cart': (BuildContext context) => new CartPage(),
+        '/browse-category': (BuildContext context) => new BrowseCategoryPage(),
+        '/product-search': (BuildContext context) => new BrowseSearchPage(),
+        '/product-detail': (BuildContext context) => new ProductDetailPage(),
+        '/checkout': (BuildContext context) => new CheckoutConfirmationPage(),
+        '/checkout-status': (BuildContext context) => new CheckoutStatusPage(),
+      },
+      onGenerateRoute: (settings) {
+        switch (settings.name) {
+          case '/home-menu':
+            return PageTransition(
+                child: HomeMenuPage(), type: PageTransitionType.leftToRight);
+          case '/checkout-details':
+            return PageTransition(
+                child: CheckoutDetailsPage(),
+                type: PageTransitionType.downToUp);
+          case '/about':
+            return PageTransition(
+                child: AboutPage(), type: PageTransitionType.leftToRight);
 
-      runApp(
-        new MaterialApp(
-            title: app_name,
-            color: Colors.white,
-            debugShowCheckedModeBanner: false,
-            routes: <String, WidgetBuilder>{
-              '/home': (BuildContext context) => new HomePage(),
-              '/cart': (BuildContext context) => new CartPage(),
-              '/browse-category': (BuildContext context) =>
-                  new BrowseCategoryPage(),
-              '/product-search': (BuildContext context) =>
-                  new BrowseSearchPage(),
-              '/product-detail': (BuildContext context) =>
-                  new ProductDetailPage(),
-              '/checkout': (BuildContext context) =>
-                  new CheckoutConfirmationPage(),
-              '/checkout-status': (BuildContext context) =>
-                  new CheckoutStatusPage(),
-            },
-            onGenerateRoute: (settings) {
-              switch (settings.name) {
-                case '/home-menu':
-                  return PageTransition(
-                      child: HomeMenuPage(),
-                      type: PageTransitionType.leftToRight);
-                case '/checkout-details':
-                  return PageTransition(
-                      child: CheckoutDetailsPage(),
-                      type: PageTransitionType.downToUp);
-                case '/about':
-                  return PageTransition(
-                      child: AboutPage(), type: PageTransitionType.leftToRight);
-
-                case '/checkout-payment-type':
-                  return PageTransition(
-                      child: CheckoutPaymentTypePage(),
-                      type: PageTransitionType.downToUp);
+          case '/checkout-payment-type':
+            return PageTransition(
+                child: CheckoutPaymentTypePage(),
+                type: PageTransitionType.downToUp);
 
-                case '/checkout-shipping-type':
-                  return PageTransition(
-                      child: CheckoutShippingTypePage(),
-                      type: PageTransitionType.downToUp);
+          case '/checkout-shipping-type':
+            return PageTransition(
+                child: CheckoutShippingTypePage(),
+                type: PageTransitionType.downToUp);
 
-                case '/home-search':
-                  return PageTransition(
-                      child: HomeSearchPage(),
-                      type: PageTransitionType.downToUp);
-                default:
-                  return null;
-              }
-            },
-            supportedLocales: [Locale('en')],
-            localizationsDelegates: [
-              AppLocalizations.delegate,
-              GlobalWidgetsLocalizations.delegate,
-              GlobalMaterialLocalizations.delegate
-            ],
-            localeResolutionCallback:
-                (Locale locale, Iterable<Locale> supportedLocales) {
-              return locale;
-            },
-            theme: ThemeData(
-                primaryColor: HexColor("#2f4ffe"),
-                backgroundColor: Colors.white,
-                buttonTheme: ButtonThemeData(
-                  hoverColor: Colors.transparent,
-                  buttonColor: HexColor("#529cda"),
-                  colorScheme: colorSchemeButton(),
-                  minWidth: double.infinity,
-                  height: 70,
-                  shape: RoundedRectangleBorder(
-                    borderRadius: new BorderRadius.circular(5.0),
-                  ),
-                ),
-                appBarTheme: AppBarTheme(
-                    color: Colors.white,
-                    textTheme: textThemeAppBar(),
-                    elevation: 0.0,
-                    brightness: Brightness.light,
-                    iconTheme: IconThemeData(color: Colors.black),
-                    actionsIconTheme: IconThemeData(
-                      color: Colors.black,
-                    )),
-                accentColor: Colors.black,
-                accentTextTheme: textThemeAccent(),
-                textTheme: textThemeMain(),
-                primaryTextTheme: textThemePrimary()),
-            home: _defaultHome),
-      );
-    },
+          case '/home-search':
+            return PageTransition(
+                child: HomeSearchPage(), type: PageTransitionType.downToUp);
+          default:
+            return null;
+        }
+      },
+      supportedLocales: [Locale('en')],
+      localizationsDelegates: [
+        AppLocalizations.delegate,
+        GlobalWidgetsLocalizations.delegate,
+        GlobalMaterialLocalizations.delegate
+      ],
+      localeResolutionCallback:
+          (Locale locale, Iterable<Locale> supportedLocales) {
+        return locale;
+      },
+      theme: ThemeData(
+        primaryColor: HexColor("#2f4ffe"),
+        backgroundColor: Colors.white,
+        buttonTheme: ButtonThemeData(
+          hoverColor: Colors.transparent,
+          buttonColor: HexColor("#529cda"),
+          colorScheme: colorSchemeButton(),
+          minWidth: double.infinity,
+          height: 70,
+          shape: RoundedRectangleBorder(
+            borderRadius: new BorderRadius.circular(5.0),
+          ),
+        ),
+        appBarTheme: AppBarTheme(
+            color: Colors.white,
+            textTheme: textThemeAppBar(),
+            elevation: 0.0,
+            brightness: Brightness.light,
+            iconTheme: IconThemeData(color: Colors.black),
+            actionsIconTheme: IconThemeData(
+              color: Colors.black,
+            )),
+        accentColor: Colors.black,
+        accentTextTheme: textThemeAccent(),
+        textTheme: textThemeMain(),
+        primaryTextTheme: textThemePrimary(),
+      ),
+    ),
   );
 }