add first version
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@@ -1,4 +1,5 @@
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import 'package:flutter/material.dart';
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import 'screens/camera_screen.dart';
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void main() {
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runApp(const MyApp());
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@@ -7,116 +8,96 @@ 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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title: 'AISee Camera',
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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: .fromSeed(seedColor: Colors.deepPurple),
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colorScheme: ColorScheme.fromSeed(seedColor: Colors.blue),
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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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home: const HomeScreen(),
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debugShowCheckedModeBanner: false,
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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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@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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class HomeScreen extends StatelessWidget {
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const HomeScreen({super.key});
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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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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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title: const Text('AISee'),
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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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),
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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: .center,
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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const Text('You have pushed the button this many times:'),
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Text(
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'$_counter',
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style: Theme.of(context).textTheme.headlineMedium,
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const Icon(
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Icons.visibility,
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size: 100,
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color: Colors.blue,
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),
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const SizedBox(height: 24),
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const Text(
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'AISee 视觉辅助',
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style: TextStyle(
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fontSize: 28,
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fontWeight: FontWeight.bold,
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),
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),
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const SizedBox(height: 8),
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const Text(
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'实时相机图像传输演示',
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style: TextStyle(
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fontSize: 16,
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color: Colors.grey,
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),
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),
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const SizedBox(height: 48),
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ElevatedButton.icon(
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onPressed: () {
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Navigator.push(
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context,
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MaterialPageRoute(
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builder: (context) => const CameraScreen(),
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),
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);
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},
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icon: const Icon(Icons.camera_alt, size: 28),
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label: const Text(
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'打开相机',
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style: TextStyle(fontSize: 18),
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),
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style: ElevatedButton.styleFrom(
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padding: const EdgeInsets.symmetric(
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horizontal: 32,
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vertical: 16,
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),
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),
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),
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const SizedBox(height: 24),
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const Padding(
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padding: EdgeInsets.symmetric(horizontal: 32),
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child: Text(
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'功能说明：\n'
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'• 拍照分析：拍摄单张照片并上传分析\n'
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'• 开始传输：每 500ms 自动捕获并上传\n'
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'• 切换：切换前后摄像头',
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textAlign: TextAlign.left,
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style: TextStyle(
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fontSize: 14,
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color: Colors.black87,
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height: 1.5,
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),
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),
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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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),
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);
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}
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}
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