网络文章-v1

android/app/build.gradle

@@ -47,7 +47,7 @@ android {
         applicationId "com.toly1994.flutter_first_station"
         // You can update the following values to match your application needs.
         // For more information, see: https://docs.flutter.dev/deployment/android#reviewing-the-gradle-build-configuration.
-        minSdkVersion flutter.minSdkVersion
+        minSdkVersion 19
         targetSdkVersion flutter.targetSdkVersion
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName

lib/guess/guess_app_bar.dart

@@ -14,14 +14,7 @@ class GuessAppBar extends StatelessWidget implements PreferredSizeWidget {
   @override
   Widget build(BuildContext context) {
     return AppBar(
-      systemOverlayStyle: const SystemUiOverlayStyle(
+      leading: Icon(Icons.menu, color: Colors.black),
-          statusBarIconBrightness: Brightness.dark,
-          statusBarColor: Colors.transparent),
-      titleSpacing: 0,
-      leading: Icon(
-        Icons.menu,
-        color: Colors.black,
-      ),
       actions: [
         IconButton(
             splashRadius: 20,
@@ -31,8 +24,6 @@ class GuessAppBar extends StatelessWidget implements PreferredSizeWidget {
               color: Colors.blue,
             ))
       ],
-      backgroundColor: Colors.white,
-      elevation: 0,
       title: TextField(
         controller: controller,
         keyboardType: TextInputType.number,

lib/main.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
 
 import 'counter/counter_page.dart';
 import 'guess/guess_page.dart';
@@ -23,6 +24,17 @@ class MyApp extends StatelessWidget {
       debugShowCheckedModeBanner: false,
       theme: ThemeData(
         primarySwatch: Colors.blue,
+        appBarTheme: const AppBarTheme(
+          elevation: 0,
+          centerTitle: true,
+          systemOverlayStyle: SystemUiOverlayStyle(
+            statusBarIconBrightness: Brightness.dark,
+            statusBarColor: Colors.transparent,
+          ),
+          backgroundColor: Colors.white,
+          titleTextStyle: TextStyle(color: Colors.black, fontSize: 16, fontWeight: FontWeight.bold),
+          iconTheme: IconThemeData(color: Colors.black),
+        )
       ),
       home: const AppNavigation(),
     );

lib/muyu/muyu_app_bar.dart

@@ -12,18 +12,12 @@ class MuyuAppBar extends StatelessWidget implements PreferredSizeWidget {
   @override
   Widget build(BuildContext context) {
     return AppBar(
-      elevation: 0,
-      centerTitle: true,
-      systemOverlayStyle: const SystemUiOverlayStyle(
-          statusBarIconBrightness: Brightness.dark,
-          statusBarColor: Colors.transparent),
-      backgroundColor: Colors.white,
-      titleTextStyle: const TextStyle(
-          color: Colors.black, fontSize: 16, fontWeight: FontWeight.bold),
-      iconTheme: const IconThemeData(color: Colors.black),
       title: const Text("电子木鱼"),
       actions: [
-        IconButton(onPressed: onTapHistory, icon: const Icon(Icons.history))
+        IconButton(
+          onPressed: onTapHistory,
+          icon: const Icon(Icons.history),
+        )
       ],
     );
   }

lib/navigation/app_navigation.dart

@@ -3,6 +3,7 @@ import 'package:flutter_first_station/guess/guess_page.dart';
 import 'package:flutter_first_station/muyu/muyu_page.dart';
 import 'package:flutter_first_station/paper/paper.dart';
 
+import '../net_article/views/net_articel_page.dart';
 import 'app_bottom_bar.dart';
 
 class AppNavigation extends StatefulWidget {
@@ -20,21 +21,18 @@ class _AppNavigationState extends State<AppNavigation> {
     MenuData(label: '猜数字', icon: Icons.question_mark),
     MenuData(label: '电子木鱼', icon: Icons.my_library_music_outlined),
     MenuData(label: '白板绘制', icon: Icons.palette_outlined),
+    MenuData(label: '网络文章', icon: Icons.article_outlined),
   ];
 
   @override
   Widget build(BuildContext context) {
-    return Column(
+    return Scaffold(
-      children: [
+      body: _buildContent(),
-        Expanded(
+      bottomNavigationBar: AppBottomBar(
-          child: _buildContent(),
+        currentIndex: _index,
-        ),
+        onItemTap: _onChangePage,
-        AppBottomBar(
+        menus: menus,
-          currentIndex: _index,
+      ),
-          onItemTap: _onChangePage,
-          menus: menus,
-        )
-      ],
     );
   }
 
@@ -50,11 +48,11 @@ class _AppNavigationState extends State<AppNavigation> {
       physics: const NeverScrollableScrollPhysics(),
       controller: _ctrl,
       children: const [
-         GuessPage(),
+        GuessPage(),
-         MuyuPage(),
+        MuyuPage(),
-         Paper(),
+        Paper(),
+        NetArticlePage(),
       ],
     );
   }
 }
-

lib/net_article/api/article_api.dart

@@ -0,0 +1,23 @@
+
+import 'package:dio/dio.dart';
+
+import '../model/article.dart';
+
+class ArticleApi{
+
+  static const String kBaseUrl = 'https://www.wanandroid.com';
+
+  final Dio _client = Dio(BaseOptions(baseUrl: kBaseUrl));
+
+  Future<List<Article>> loadArticles(int page) async {
+    String path = '/article/list/$page/json';
+    var rep = await _client.get(path);
+    if (rep.statusCode == 200) {
+      if(rep.data!=null){
+        var data = rep.data['data']['datas'] as List;
+        return data.map(Article.formMap).toList();
+      }
+    }
+    return [];
+  }
+}

lib/net_article/model/article.dart

@@ -0,0 +1,24 @@
+class Article {
+  final String title;
+  final String url;
+  final String time;
+
+  const Article({
+    required this.title,
+    required this.time,
+    required this.url,
+  });
+
+  factory Article.formMap(dynamic json) {
+    return Article(
+      title: json['title'] ?? '未知',
+      url: json['link'] ?? '',
+      time: json['niceDate'] ?? '',
+    );
+  }
+
+  @override
+  String toString() {
+    return 'Article{title: $title, url: $url, time: $time}';
+  }
+}

lib/net_article/views/article_content.dart

@@ -0,0 +1,114 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_first_station/net_article/api/article_api.dart';
+import '../model/article.dart';
+import 'article_detail_page.dart';
+
+class ArticleContent extends StatefulWidget {
+  const ArticleContent({Key? key}) : super(key: key);
+
+  @override
+  State<ArticleContent> createState() => _ArticleContentState();
+}
+
+class _ArticleContentState extends State<ArticleContent> {
+  List<Article> _articles = [];
+  ArticleApi api = ArticleApi();
+
+  @override
+  void initState() {
+    super.initState();
+    _loadData();
+  }
+
+  void _loadData() async {
+    _articles = await api.loadArticles(0);
+    setState(() {});
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return ListView.builder(
+      itemExtent: 80,
+      itemCount: _articles.length,
+      itemBuilder: _buildItemByIndex,
+    );
+  }
+
+  Widget _buildItemByIndex(BuildContext context, int index) {
+    return ArticleItem(
+      article: _articles[index],
+      onTap: _jumpToPage,
+    );
+  }
+
+  void _jumpToPage(Article article) {
+    Navigator.of(context).push(
+      MaterialPageRoute(
+        builder: (_) => ArticleDetailPage(article: article),
+      ),
+    );
+  }
+}
+
+class ArticleItem extends StatelessWidget {
+  final Article article;
+  final ValueChanged<Article> onTap;
+
+  const ArticleItem({Key? key, required this.article, required this.onTap})
+      : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return GestureDetector(
+      onTap: () => onTap(article),
+      child: Card(
+        elevation: 0,
+        shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(6)),
+        color: Colors.white,
+        child: Padding(
+          padding: const EdgeInsets.symmetric(horizontal: 12.0, vertical: 8),
+          child: Column(
+            crossAxisAlignment: CrossAxisAlignment.start,
+            children: [
+              Row(
+                children: [
+                  Expanded(
+                    child: Text(
+                      article.title,
+                      maxLines: 1,
+                      overflow: TextOverflow.ellipsis,
+                      style:
+                          TextStyle(fontSize: 14, fontWeight: FontWeight.bold),
+                    ),
+                  ),
+                  const SizedBox(
+                    width: 10,
+                  ),
+                  // Spacer(),
+                  Text(
+                    article.time,
+                    style: TextStyle(fontSize: 12, color: Colors.grey),
+                  ),
+                ],
+              ),
+              const SizedBox(
+                height: 4,
+              ),
+              Expanded(
+                child: Align(
+                  alignment: Alignment.centerLeft,
+                  child: Text(
+                    article.url,
+                    style: TextStyle(fontSize: 12, color: Colors.grey),
+                    maxLines: 2,
+                    overflow: TextOverflow.ellipsis,
+                  ),
+                ),
+              )
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}

lib/net_article/views/article_detail_page.dart

@@ -0,0 +1,32 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_first_station/net_article/model/article.dart';
+import 'package:webview_flutter/webview_flutter.dart';
+
+class ArticleDetailPage extends StatefulWidget {
+  final Article article;
+
+  const ArticleDetailPage({Key? key, required this.article}) : super(key: key);
+
+  @override
+  State<ArticleDetailPage> createState() => _ArticleDetailPageState();
+}
+
+class _ArticleDetailPageState extends State<ArticleDetailPage> {
+  late WebViewController controller;
+  @override
+  void initState() {
+    super.initState();
+    controller = WebViewController()
+      ..setJavaScriptMode(JavaScriptMode.unrestricted)
+      ..setBackgroundColor(const Color(0x00000000))
+      ..loadRequest(Uri.parse(widget.article.url));
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: Text(widget.article.title)),
+      body: WebViewWidget(controller: controller),
+    );
+  }
+}

lib/net_article/views/net_articel_page.dart

@@ -0,0 +1,18 @@
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+
+import 'article_content.dart';
+
+class NetArticlePage extends StatelessWidget {
+  const NetArticlePage({Key? key}) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text('网络请求测试'),
+      ),
+      body: ArticleContent(),
+    );
+  }
+}

lib/paper/paper_app_bar.dart

@@ -17,30 +17,17 @@ class PaperAppBar extends StatelessWidget implements PreferredSizeWidget {
   @override
   Widget build(BuildContext context) {
     return AppBar(
-      centerTitle: true,
-      elevation: 0,
-      systemOverlayStyle: const SystemUiOverlayStyle(
-          statusBarIconBrightness: Brightness.dark,
-          statusBarColor: Colors.transparent),
-      backgroundColor: Colors.white,
       leading: BackUpButtons(
         onBack: onBack,
         onRevocation: onRevocation,
       ),
       leadingWidth: 100,
-      title: Text(
+      title: Text('画板绘制'),
-        '画板绘制',
-        style: TextStyle(color: Colors.black, fontSize: 16),
-      ),
       actions: [
         IconButton(
             splashRadius: 20,
             onPressed: onClear,
-            icon: Icon(
+            icon: Icon(CupertinoIcons.delete, size: 20))
-              CupertinoIcons.delete,
-              color: Colors.black,
-              size: 20,
-            ))
       ],
     );
   }

pubspec.lock

@@ -113,6 +113,14 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.0.5"
+  dio:
+    dependency: "direct main"
+    description:
+      name: dio
+      sha256: "347d56c26d63519552ef9a569f2a593dda99a81fdbdff13c584b7197cfe05059"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "5.1.2"
   fake_async:
     dependency: transitive
     description:
@@ -485,6 +493,38 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.1.4"
+  webview_flutter:
+    dependency: "direct main"
+    description:
+      name: webview_flutter
+      sha256: "1a37bdbaaf5fbe09ad8579ab09ecfd473284ce482f900b5aea27cf834386a567"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "4.2.0"
+  webview_flutter_android:
+    dependency: transitive
+    description:
+      name: webview_flutter_android
+      sha256: "1acea8def62592123e2fbbca164ed8681a98a890bdcbb88f916d5b4a22687759"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "3.7.0"
+  webview_flutter_platform_interface:
+    dependency: transitive
+    description:
+      name: webview_flutter_platform_interface
+      sha256: "78715dc442b7849dbde74e92bb67de1cecf5addf95531c5fb474e72f5fe9a507"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "2.3.0"
+  webview_flutter_wkwebview:
+    dependency: transitive
+    description:
+      name: webview_flutter_wkwebview
+      sha256: "4646bb68297803bdbb96d46853e8fcb560d6cb5e04153fa64581535767875dfe"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "3.4.3"
   win32:
     dependency: transitive
     description:

pubspec.yaml

@@ -35,6 +35,8 @@ dependencies:
   intl: ^0.18.1
   shared_preferences: ^2.1.1
   sqflite: ^2.2.8+2
+  dio: ^5.1.2
+  webview_flutter: ^4.2.0
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.
   cupertino_icons: ^1.0.2