basic layout
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fb0a03c34a
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261
lib/main.dart
261
lib/main.dart
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@ -4,6 +4,9 @@ import 'package:flutter_localizations/flutter_localizations.dart';
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import 'utils/scroll.dart';
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import 'pages/home.dart';
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import 'pages/map.dart';
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void main() {
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runApp(const MyApp());
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}
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@ -11,119 +14,195 @@ void main() {
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class MyApp extends StatelessWidget {
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const MyApp({super.key});
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// This widget is the root of your application.
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@override
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Widget build(BuildContext context) {
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return MaterialApp(
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title: 'Flutter Demo',
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theme: ThemeData(
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// This is the theme of your application.
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//
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// TRY THIS: Try running your application with "flutter run". You'll see
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// the application has a purple toolbar. Then, without quitting the app,
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// try changing the seedColor in the colorScheme below to Colors.green
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// and then invoke "hot reload" (save your changes or press the "hot
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// reload" button in a Flutter-supported IDE, or press "r" if you used
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// the command line to start the app).
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//
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// Notice that the counter didn't reset back to zero; the application
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// state is not lost during the reload. To reset the state, use hot
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// restart instead.
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//
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// This works for code too, not just values: Most code changes can be
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// tested with just a hot reload.
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colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
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useMaterial3: true,
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),
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home: const MyHomePage(title: 'Flutter Demo Home Page'),
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const Color fallbackColorSchemeSeed = Colors.blue;
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return DynamicColorBuilder(
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builder: (ColorScheme? lightDynamic, ColorScheme? darkDynamic) {
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ColorScheme lightColorScheme;
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ColorScheme darkColorScheme;
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if (lightDynamic != null && darkDynamic != null) {
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lightColorScheme = lightDynamic.harmonized();
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darkColorScheme = darkDynamic.harmonized();
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} else {
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lightColorScheme = ColorScheme.fromSeed(
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seedColor: fallbackColorSchemeSeed,
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);
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darkColorScheme = ColorScheme.fromSeed(
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seedColor: fallbackColorSchemeSeed,
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brightness: Brightness.dark,
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);
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}
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final textTheme = Theme.of(context).textTheme;
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ThemeData lightTheme = ThemeData(
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colorScheme: lightColorScheme,
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useMaterial3: true,
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navigationRailTheme: NavigationRailThemeData(
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unselectedLabelTextStyle: TextStyle(
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fontSize: textTheme.labelLarge?.fontSize, color: Colors.black),
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unselectedIconTheme: const IconThemeData(
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color: Colors.black,
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),
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selectedLabelTextStyle: TextStyle(
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fontSize: textTheme.labelLarge?.fontSize,
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color: Colors.black,
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),
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selectedIconTheme: const IconThemeData(
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color: Colors.black,
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),
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),
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);
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ThemeData darkTheme = ThemeData(
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brightness: Brightness.dark,
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colorScheme: darkColorScheme,
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useMaterial3: true,
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navigationRailTheme: NavigationRailThemeData(
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unselectedLabelTextStyle: TextStyle(
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fontSize: textTheme.labelLarge?.fontSize, color: Colors.white),
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unselectedIconTheme: const IconThemeData(
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color: Colors.white,
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),
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selectedLabelTextStyle: TextStyle(
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fontSize: textTheme.labelLarge?.fontSize,
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color: Colors.white,
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),
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selectedIconTheme: const IconThemeData(
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color: Colors.white,
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),
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),
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);
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return MaterialApp(
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scrollBehavior: CustomScrollBehavior(),
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debugShowCheckedModeBanner: false,
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themeMode: ThemeMode.system,
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theme: lightTheme,
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darkTheme: darkTheme,
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localizationsDelegates: const [
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GlobalMaterialLocalizations.delegate,
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GlobalWidgetsLocalizations.delegate,
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GlobalCupertinoLocalizations.delegate,
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],
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supportedLocales: const [
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Locale('en', 'GB'), // English, UK
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Locale('ar', 'AE'), // Arabic, UAE
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Locale('en', 'IN'), // English, India
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],
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home: const MyHomePage(),
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);
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});
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}
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}
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class MyHomePage extends StatefulWidget {
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const MyHomePage({super.key, required this.title});
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// This widget is the home page of your application. It is stateful, meaning
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// that it has a State object (defined below) that contains fields that affect
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// how it looks.
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// This class is the configuration for the state. It holds the values (in this
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// case the title) provided by the parent (in this case the App widget) and
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// used by the build method of the State. Fields in a Widget subclass are
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// always marked "final".
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final String title;
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/// Creates a const [MyHomePage].
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const MyHomePage({super.key});
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@override
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State<MyHomePage> createState() => _MyHomePageState();
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}
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class _MyHomePageState extends State<MyHomePage> {
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int _counter = 0;
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void _incrementCounter() {
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setState(() {
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// This call to setState tells the Flutter framework that something has
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// changed in this State, which causes it to rerun the build method below
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// so that the display can reflect the updated values. If we changed
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// _counter without calling setState(), then the build method would not be
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// called again, and so nothing would appear to happen.
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_counter++;
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});
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}
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int _selectedTab = 0;
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@override
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Widget build(BuildContext context) {
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// This method is rerun every time setState is called, for instance as done
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// by the _incrementCounter method above.
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//
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// The Flutter framework has been optimized to make rerunning build methods
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// fast, so that you can just rebuild anything that needs updating rather
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// than having to individually change instances of widgets.
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double screenWidth = MediaQuery.of(context).size.width;
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bool extendedValue = true;
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NavigationRailLabelType labelType = NavigationRailLabelType.none;
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Widget leading = const Visibility(
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visible: false,
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child: SizedBox.shrink(),
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);
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if (screenWidth >= 600 && screenWidth < 800) {
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extendedValue = false;
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labelType = NavigationRailLabelType.all;
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}
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return LayoutBuilder(builder: (context, constraints) {
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return Scaffold(
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appBar: AppBar(
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// TRY THIS: Try changing the color here to a specific color (to
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// Colors.amber, perhaps?) and trigger a hot reload to see the AppBar
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// change color while the other colors stay the same.
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backgroundColor: Theme.of(context).colorScheme.inversePrimary,
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// Here we take the value from the MyHomePage object that was created by
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// the App.build method, and use it to set our appbar title.
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title: Text(widget.title),
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bottomNavigationBar: MediaQuery.of(context).size.width < 600
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? NavigationBar(
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onDestinationSelected: (int index) {
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setState(() {
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_selectedTab = index;
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});
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},
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indicatorColor:
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Theme.of(context).colorScheme.secondaryContainer,
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selectedIndex: _selectedTab,
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destinations: const <Widget>[
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NavigationDestination(
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icon: Icon(Icons.home_outlined),
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selectedIcon: Icon(Icons.home),
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label: 'Home',
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),
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body: Center(
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// Center is a layout widget. It takes a single child and positions it
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// in the middle of the parent.
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child: Column(
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// Column is also a layout widget. It takes a list of children and
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// arranges them vertically. By default, it sizes itself to fit its
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// children horizontally, and tries to be as tall as its parent.
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//
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// Column has various properties to control how it sizes itself and
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// how it positions its children. Here we use mainAxisAlignment to
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// center the children vertically; the main axis here is the vertical
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// axis because Columns are vertical (the cross axis would be
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// horizontal).
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//
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// TRY THIS: Invoke "debug painting" (choose the "Toggle Debug Paint"
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// action in the IDE, or press "p" in the console), to see the
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// wireframe for each widget.
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mainAxisAlignment: MainAxisAlignment.center,
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children: <Widget>[
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const Text(
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'You have pushed the button this many times:',
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NavigationDestination(
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icon: Icon(Icons.map_outlined),
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selectedIcon: Icon(Icons.map),
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label: 'Map',
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),
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])
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: null,
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body: Row(
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mainAxisSize: MainAxisSize.max,
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children: [
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if (MediaQuery.of(context).size.width >= 600)
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SafeArea(
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child: NavigationRail(
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labelType: labelType,
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elevation: 4,
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leading: leading,
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backgroundColor: ElevationOverlay.applySurfaceTint(
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Theme.of(context).cardColor,
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Theme.of(context).colorScheme.surfaceTint,
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1),
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extended: extendedValue,
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destinations: const [
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NavigationRailDestination(
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icon: Icon(Icons.home_outlined),
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selectedIcon: Icon(Icons.home),
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label: Text('Home'),
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),
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NavigationRailDestination(
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icon: Icon(Icons.map_outlined),
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selectedIcon: Icon(Icons.map),
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label: Text('Map'),
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),
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],
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selectedIndex: _selectedTab,
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onDestinationSelected: (value) {
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setState(() {
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_selectedTab = value;
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});
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},
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),
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),
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Expanded(
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child: Container(
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child: _getScreen(context, _selectedTab),
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),
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Text(
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'$_counter',
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style: Theme.of(context).textTheme.headlineMedium,
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),
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],
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),
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),
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floatingActionButton: FloatingActionButton(
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onPressed: _incrementCounter,
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tooltip: 'Increment',
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child: const Icon(Icons.add),
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), // This trailing comma makes auto-formatting nicer for build methods.
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);
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});
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}
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}
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Widget _getScreen(BuildContext context, int index) {
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switch (index) {
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case 0:
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return const HomeScreen();
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case 1:
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return const MapScreen();
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default:
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return const Text('Something went wrong');
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}
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}
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@ -0,0 +1,30 @@
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import 'package:flutter/material.dart';
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class HomeScreen extends StatefulWidget {
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const HomeScreen({Key? key}) : super(key: key);
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@override
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State<HomeScreen> createState() => _HomeScreenState();
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}
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class _HomeScreenState extends State<HomeScreen> {
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(
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title: const Text('Home'),
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actions: <Widget>[
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IconButton(
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icon: const Icon(Icons.more_vert),
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onPressed: () {
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ScaffoldMessenger.of(context)
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.showSnackBar(const SnackBar(content: Text('More')));
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},
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)
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],
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),
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floatingActionButton: FloatingActionButton(
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onPressed: () => {print("deez")}, child: const Icon(Icons.add)),
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);
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}
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}
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@ -0,0 +1,30 @@
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import 'package:flutter/material.dart';
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class MapScreen extends StatefulWidget {
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const MapScreen({Key? key}) : super(key: key);
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@override
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State<MapScreen> createState() => _MapScreenState();
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}
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class _MapScreenState extends State<MapScreen> {
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(
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title: const Text('Home'),
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actions: <Widget>[
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IconButton(
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icon: const Icon(Icons.more_vert),
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onPressed: () {
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ScaffoldMessenger.of(context)
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.showSnackBar(const SnackBar(content: Text('More')));
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},
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)
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],
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),
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floatingActionButton: FloatingActionButton(
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onPressed: () => {print("deez")}, child: const Icon(Icons.add)),
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);
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}
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}
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