Added basic navigation bar

This commit is contained in:
Benjamin Ramhorst 2022-02-09 15:50:52 +00:00
parent 8af20d98ba
commit fd156f31e8
3 changed files with 52 additions and 103 deletions

45
lib/home.dart Normal file
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@ -0,0 +1,45 @@
import 'package:flutter/material.dart';
class HomeScreen extends StatefulWidget {
const HomeScreen({Key? key}) : super(key: key);
@override
_HomeScreenState createState() => _HomeScreenState();
}
class _HomeScreenState extends State<HomeScreen> {
int page = 0;
PageController pageController = PageController();
void onBottomBarPressed(int newPage) {
setState(() {
page = newPage;
});
pageController.jumpToPage(newPage);
}
@override
Widget build(BuildContext context) {
return Scaffold(
body: PageView(
controller: pageController,
),
bottomNavigationBar: BottomNavigationBar(
items: const <BottomNavigationBarItem>[
BottomNavigationBarItem(icon: Icon(Icons.data_usage), label: 'Home'),
BottomNavigationBarItem(icon: Icon(Icons.search), label: 'Search'),
BottomNavigationBarItem(icon: Icon(Icons.location_on_outlined), label: 'Location'),
BottomNavigationBarItem(icon: Icon(Icons.settings), label: 'Settings'),
],
currentIndex: page,
selectedItemColor: Colors.green,
unselectedItemColor: Colors.black,
backgroundColor: Colors.white,
onTap: onBottomBarPressed,
type: BottomNavigationBarType.fixed,
)
);
}
}

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@ -1,115 +1,19 @@
import 'package:flutter/material.dart'; import 'package:flutter/material.dart';
import 'package:leg_barkr_app/home.dart';
void main() { void main() {
runApp(const MyApp()); runApp(const Main());
} }
class MyApp extends StatelessWidget { class Main extends StatelessWidget {
const MyApp({Key? key}) : super(key: key); const Main({Key? key}) : super(key: key);
// This widget is the root of your application.
@override @override
Widget build(BuildContext context) { Widget build(BuildContext context) {
return MaterialApp( return MaterialApp(
title: 'Flutter Demo', theme: ThemeData.light(),
theme: ThemeData( home: HomeScreen()
// This is the theme of your application.
//
// Try running your application with "flutter run". You'll see the
// application has a blue toolbar. Then, without quitting the app, try
// changing the primarySwatch below to Colors.green and then invoke
// "hot reload" (press "r" in the console where you ran "flutter run",
// or simply save your changes to "hot reload" in a Flutter IDE).
// Notice that the counter didn't reset back to zero; the application
// is not restarted.
primarySwatch: Colors.blue,
),
home: const MyHomePage(title: 'Flutter Demo Home Page'),
); );
} }
} }
class MyHomePage extends StatefulWidget {
const MyHomePage({Key? key, required this.title}) : super(key: key);
// This widget is the home page of your application. It is stateful, meaning
// that it has a State object (defined below) that contains fields that affect
// how it looks.
// This class is the configuration for the state. It holds the values (in this
// case the title) provided by the parent (in this case the App widget) and
// used by the build method of the State. Fields in a Widget subclass are
// always marked "final".
final String title;
@override
State<MyHomePage> createState() => _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> {
int _counter = 0;
void _incrementCounter() {
setState(() {
// This call to setState tells the Flutter framework that something has
// changed in this State, which causes it to rerun the build method below
// so that the display can reflect the updated values. If we changed
// _counter without calling setState(), then the build method would not be
// called again, and so nothing would appear to happen.
_counter++;
});
}
@override
Widget build(BuildContext context) {
// This method is rerun every time setState is called, for instance as done
// by the _incrementCounter method above.
//
// The Flutter framework has been optimized to make rerunning build methods
// fast, so that you can just rebuild anything that needs updating rather
// than having to individually change instances of widgets.
return Scaffold(
appBar: AppBar(
// Here we take the value from the MyHomePage object that was created by
// the App.build method, and use it to set our appbar title.
title: Text(widget.title),
),
body: Center(
// Center is a layout widget. It takes a single child and positions it
// in the middle of the parent.
child: Column(
// Column is also a layout widget. It takes a list of children and
// arranges them vertically. By default, it sizes itself to fit its
// children horizontally, and tries to be as tall as its parent.
//
// Invoke "debug painting" (press "p" in the console, choose the
// "Toggle Debug Paint" action from the Flutter Inspector in Android
// Studio, or the "Toggle Debug Paint" command in Visual Studio Code)
// to see the wireframe for each widget.
//
// Column has various properties to control how it sizes itself and
// how it positions its children. Here we use mainAxisAlignment to
// center the children vertically; the main axis here is the vertical
// axis because Columns are vertical (the cross axis would be
// horizontal).
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
const Text(
'You have pushed the button this many times:',
),
Text(
'$_counter',
style: Theme.of(context).textTheme.headline4,
),
],
),
),
floatingActionButton: FloatingActionButton(
onPressed: _incrementCounter,
tooltip: 'Increment',
child: const Icon(Icons.add),
), // This trailing comma makes auto-formatting nicer for build methods.
);
}
}

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@ -13,7 +13,7 @@ import 'package:leg_barkr_app/main.dart';
void main() { void main() {
testWidgets('Counter increments smoke test', (WidgetTester tester) async { testWidgets('Counter increments smoke test', (WidgetTester tester) async {
// Build our app and trigger a frame. // Build our app and trigger a frame.
await tester.pumpWidget(const MyApp()); await tester.pumpWidget(const Main());
// Verify that our counter starts at 0. // Verify that our counter starts at 0.
expect(find.text('0'), findsOneWidget); expect(find.text('0'), findsOneWidget);