Flutter InAppWebView 项目教程
flutter_inappwebviewA Flutter plugin that allows you to add an inline webview, to use a headless webview, and to open an in-app browser window.项目地址:https://gitcode.com/gh_mirrors/fl/flutter_inappwebview
1. 项目的目录结构及介绍
Flutter InAppWebView 项目的目录结构如下：
flutter_inappwebview/├── CHANGELOG.md├── LICENSE├── README.md├── analysis_options.yaml├── example/│ ├── android/│ ├── ios/│ ├── lib/│ │ ├── main.dart│ │ └── ...│ ├── pubspec.yaml│ └── ...├── lib/│ ├── src/│ │ ├── chrome_safari_browser.dart│ │ ├── in_app_browser.dart│ │ ├── in_app_webview.dart│ │ └── ...│ └── flutter_inappwebview.dart├── pubspec.yaml└── ...主要目录和文件介绍：
example/: 包含一个示例应用程序，展示了如何使用 InAppWebView 插件。lib/: 包含插件的核心代码。 src/: 包含插件的主要功能实现。 chrome_safari_browser.dart: 实现 Chrome Safari 浏览器功能。in_app_browser.dart: 实现 In-App 浏览器功能。in_app_webview.dart: 实现 In-App WebView 功能。 flutter_inappwebview.dart: 插件的主入口文件。 pubspec.yaml: 项目的依赖管理文件。 2. 项目的启动文件介绍
项目的启动文件位于 example/lib/main.dart。这个文件是示例应用程序的入口点，展示了如何初始化和使用 InAppWebView 插件。
import 'package:flutter/material.dart';import 'package:flutter_inappwebview/flutter_inappwebview.dart';void main() { runApp(MyApp());}class MyApp extends StatefulWidget { @override _MyAppState createState() => _MyAppState();}class _MyAppState extends State<MyApp> { @override void initState() { super.initState(); } @override Widget build(BuildContext context) { return MaterialApp( home: Scaffold( appBar: AppBar( title: const Text('InAppWebView Example'), ), body: Center( child: InAppWebView( initialUrl: "https://flutter.dev", ), ), ), ); }}主要功能：
main(): 应用程序的入口函数，调用 runApp 启动应用。MyApp: 应用的主组件，继承自 StatefulWidget。_MyAppState: 应用的状态类，包含 InAppWebView 的初始化和显示。 3. 项目的配置文件介绍
项目的配置文件主要是 pubspec.yaml，位于项目根目录和 example/ 目录下。
根目录下的 pubspec.yaml：
name: flutter_inappwebviewdescription: A Flutter plugin that allows you to add an inline webview, to use an headless webview, and to open an in-app browser window.version: 5.3.2homepage: https://github.com/pichillilorenzo/flutter_inappwebviewenvironment: sdk: ">=2.12.0 <3.0.0" flutter: ">=1.20.0"dependencies: flutter: sdk: flutter flutter_web_plugins: sdk: flutter plugin_platform_interface: ^2.0.0dev_dependencies: flutter_test: sdk: flutter flutter_lints: ^1.0.0flutter: plugin: platforms: android: package: com.pichillilorenzo.flutter_inappwebview pluginClass: InAppWebViewFlutterPlugin ios: pluginClass: InAppWebViewFlutterPlugin macos: pluginClass: InAppWebViewFlutterPlugin web: pluginClass: InAppWebViewFlutterPlugin flutter_inappwebviewA Flutter plugin that allows you to add an inline webview, to use a headless webview, and to open an in-app browser window.项目地址:https://gitcode.com/gh_mirrors/fl/flutter_inappwebview