Initial commit

lib/counter/counter_page.dart

@@ -0,0 +1,48 @@
+import 'package:flutter/material.dart';
+
+class MyHomePage extends StatefulWidget {
+  const MyHomePage({super.key, required this.title});
+
+  final String title;
+
+  @override
+  State<MyHomePage> createState() => _MyHomePageState();
+}
+
+class _MyHomePageState extends State<MyHomePage> {
+  int _counter = 0;
+
+  void _incrementCounter() {
+    setState(() {
+      _counter++;
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: Text(widget.title),
+      ),
+      body: Center(
+        child: Column(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: <Widget>[
+            const Text(
+              'You have pushed the button this many times:',
+            ),
+            Text(
+              '$_counter',
+              style: Theme.of(context).textTheme.headlineMedium,
+            ),
+          ],
+        ),
+      ),
+      floatingActionButton: FloatingActionButton(
+        onPressed: _incrementCounter,
+        tooltip: 'Increment',
+        child: const Icon(Icons.add),
+      ),
+    );
+  }
+}

lib/guess/guess_page.dart

@@ -0,0 +1,116 @@
+import 'dart:math';
+
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+
+class GuessPage extends StatefulWidget {
+  const GuessPage({super.key, required this.title});
+
+  final String title;
+
+  @override
+  State<GuessPage> createState() => _GuessPageState();
+}
+
+class _GuessPageState extends State<GuessPage> {
+  int _value = 0;
+
+  Random _random = Random();
+
+  void _generateRandomValue() {
+    setState(() {
+      _value = _random.nextInt(100);
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar:
+      AppBar(
+        systemOverlayStyle: SystemUiOverlayStyle(
+            statusBarIconBrightness: Brightness.dark,
+            statusBarColor: Colors.transparent
+        ),
+        // leadingWidth: 54,
+        titleSpacing: 0,
+
+        leading: Icon(Icons.menu, color: Colors.black,),
+        actions: [
+          IconButton(
+              splashRadius: 20,
+              onPressed: (){}, icon: Icon(
+            Icons.run_circle_outlined,
+            color: Colors.blue,
+          ))
+        ],
+        backgroundColor: Colors.white,
+        elevation: 0,
+        title:
+        TextField(
+          keyboardType: TextInputType.number,
+          decoration: InputDecoration(
+              filled: true,
+              fillColor: Color(0xffF3F6F9),
+              constraints: BoxConstraints(maxHeight: 35),
+              border: UnderlineInputBorder(
+                borderSide: BorderSide.none,
+                borderRadius: BorderRadius.all(Radius.circular(6)),
+              ),
+              hintText: "输入 0~99 数字",
+              hintStyle: TextStyle(fontSize: 14)),
+        ),
+      ),
+      body: Stack(
+        children: [
+          Column(
+            children: [
+                Expanded(
+                    child: Container(
+                      alignment: Alignment.center,
+                      color: Colors.redAccent,
+                      child: Text(
+                        '大了',
+                        style: TextStyle(
+                            fontSize: 54,
+                            color: Colors.white,
+                            fontWeight: FontWeight.bold),
+                      ),
+                    )),
+              // Spacer(),
+              Expanded(
+                  child: Container(
+                    alignment: Alignment.center,
+                    color: Colors.blueAccent,
+                    child: Text(
+                      '小了',
+                      style: TextStyle(
+                          fontSize: 54,
+                          color: Colors.white,
+                          fontWeight: FontWeight.bold),
+                    ),
+                  )),
+            ],
+          ),
+          Center(
+            child: Column(
+              mainAxisAlignment: MainAxisAlignment.center,
+              children: <Widget>[
+                const Text('点击生成随机数值',),
+                Text(
+                  '$_value',
+                  style: Theme.of(context).textTheme.headlineMedium,
+                ),
+              ],
+            ),
+          ),
+        ],
+      ),
+      floatingActionButton: FloatingActionButton(
+        onPressed: _generateRandomValue,
+        tooltip: 'Increment',
+        child: const Icon(Icons.generating_tokens_outlined),
+      ),
+    );
+  }
+}

lib/main.dart

@@ -0,0 +1,25 @@
+import 'package:flutter/material.dart';
+
+import 'counter/counter_page.dart';
+import 'guess/guess_page.dart';
+
+void main() {
+  runApp(const MyApp());
+}
+
+class MyApp extends StatelessWidget {
+  const MyApp({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      title: 'Flutter Demo',
+      debugShowCheckedModeBanner: false,
+      theme: ThemeData(
+        primarySwatch: Colors.blue,
+      ),
+      home: const GuessPage(title: '猜数字'),
+    );
+  }
+}
+