[Gallery] Fix directory structure (#312)

gallery/lib/studies/rally/app.dart

@@ -0,0 +1,95 @@
+// Copyright 2019 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:flutter/material.dart';
+import 'package:google_fonts/google_fonts.dart';
+import 'package:gallery/data/gallery_options.dart';
+import 'package:gallery/l10n/gallery_localizations.dart';
+
+import 'package:gallery/studies/rally/colors.dart';
+import 'package:gallery/studies/rally/home.dart';
+import 'package:gallery/studies/rally/login.dart';
+
+/// The RallyApp is a MaterialApp with a theme and 2 routes.
+///
+/// The home route is the main page with tabs for sub pages.
+/// The login route is the initial route.
+class RallyApp extends StatelessWidget {
+  const RallyApp({Key key, this.navigatorKey}) : super(key: key);
+
+  final GlobalKey<NavigatorState> navigatorKey;
+
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      navigatorKey: navigatorKey,
+      title: 'Rally',
+      debugShowCheckedModeBanner: false,
+      theme: _buildRallyTheme().copyWith(
+        platform: GalleryOptions.of(context).platform,
+      ),
+      localizationsDelegates: GalleryLocalizations.localizationsDelegates,
+      supportedLocales: GalleryLocalizations.supportedLocales,
+      locale: GalleryOptions.of(context).locale,
+      home: HomePage(),
+      initialRoute: '/login',
+      routes: <String, WidgetBuilder>{
+        '/login': (context) => LoginPage(),
+      },
+    );
+  }
+
+  ThemeData _buildRallyTheme() {
+    final base = ThemeData.dark();
+    return ThemeData(
+      scaffoldBackgroundColor: RallyColors.primaryBackground,
+      primaryColor: RallyColors.primaryBackground,
+      focusColor: RallyColors.focusColor,
+      textTheme: _buildRallyTextTheme(base.textTheme),
+      inputDecorationTheme: InputDecorationTheme(
+        labelStyle: const TextStyle(
+          color: RallyColors.gray,
+          fontWeight: FontWeight.w500,
+        ),
+        filled: true,
+        fillColor: RallyColors.inputBackground,
+        focusedBorder: InputBorder.none,
+      ),
+    );
+  }
+
+  TextTheme _buildRallyTextTheme(TextTheme base) {
+    return base
+        .copyWith(
+          // TODO: Use GoogleFonts.robotoCondensed when available
+          body1: base.body1.copyWith(
+            fontFamily: 'Roboto Condensed',
+            fontSize: 14,
+            fontWeight: FontWeight.w400,
+          ),
+          body2: GoogleFonts.eczar(
+            fontSize: 40,
+            fontWeight: FontWeight.w400,
+            letterSpacing: 1.4,
+            textStyle: base.body2,
+          ),
+          // TODO: Use GoogleFonts.robotoCondensed when available
+          button: base.button.copyWith(
+            fontFamily: 'Roboto Condensed',
+            fontWeight: FontWeight.w700,
+            letterSpacing: 2.8,
+          ),
+          headline: GoogleFonts.eczar(
+            fontSize: 40,
+            fontWeight: FontWeight.w600,
+            letterSpacing: 1.4,
+            textStyle: base.body2,
+          ),
+        )
+        .apply(
+          displayColor: Colors.white,
+          bodyColor: Colors.white,
+        );
+  }
+}