Flutter内嵌网页浏览插件basic_inappwebview_page的使用

Flutter内嵌网页浏览插件basic_inappwebview_page的使用

安装

  1. 如果 juneflow 项目不存在,请按照以下指南创建它:

    june init
    
  2. juneflow 项目的根目录下打开终端,并输入以下命令以添加插件:

    june add basic_inappwebview_page
    
  3. 如果在Web平台上构建,请在 web/index.html 文件的 <head> 标签内添加以下行:

    <script type="application/javascript" src="/assets/packages/flutter_inappwebview_web/assets/web/web_support.js" defer></script>
    
  4. 启动项目,请输入以下命令:

    flutter run lib/app/_/_/interaction/view.blueprint/component/basic_inappwebview_page/_/view.dart -d chrome
    

示例代码

下面是一个简单的示例代码,展示如何在Flutter应用中使用basic_inappwebview_page插件来加载一个网页。

import 'package:flutter/material.dart';
import 'package:basic_inappwebview_page/basic_inappwebview_page.dart';

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  [@override](/user/override)
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter InAppWebView Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: WebViewPage(),
    );
  }
}

class WebViewPage extends StatefulWidget {
  [@override](/user/override)
  _WebViewPageState createState() => _WebViewPageState();
}

class _WebViewPageState extends State<WebViewPage> {
  // 控制器用于与WebView交互
  InAppWebViewController? _webViewController;

  [@override](/user/override)
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('InAppWebView Demo'),
      ),
      body: BasicInAppWebView(
        initialUrlRequest: URLRequest(url: Uri.parse("https://www.example.com")),
        onWebViewCreated: (controller) {
          // WebView创建时调用
          _webViewController = controller;
        },
        onLoadStop: (controller, url) {
          // 页面加载完成时调用
          print("Page loaded: $url");
        },
      ),
    );
  }
}

更多关于Flutter内嵌网页浏览插件basic_inappwebview_page的使用的实战教程也可以访问 https://www.itying.com/category-92-b0.html

1 回复

更多关于Flutter内嵌网页浏览插件basic_inappwebview_page的使用的实战系列教程也可以访问 https://www.itying.com/category-92-b0.html


在Flutter中,如果你想在应用中嵌入网页浏览功能,可以使用flutter_inappwebview插件。basic_inappwebview_page并不是一个官方的插件,但flutter_inappwebview是一个非常流行的插件,提供了丰富的功能来在Flutter应用中嵌入WebView。

以下是如何使用flutter_inappwebview插件在Flutter应用中嵌入网页浏览功能的步骤:

1. 添加依赖

首先,在pubspec.yaml文件中添加flutter_inappwebview插件的依赖:

dependencies:
  flutter:
    sdk: flutter
  flutter_inappwebview: ^5.4.3+7

然后运行flutter pub get来安装依赖。

2. 导入插件

在你的Dart文件中导入flutter_inappwebview插件:

import 'package:flutter_inappwebview/flutter_inappwebview.dart';

3. 使用InAppWebView Widget

在Flutter页面中使用InAppWebView Widget来嵌入网页浏览功能:

import 'package:flutter/material.dart';
import 'package:flutter_inappwebview/flutter_inappwebview.dart';

class WebViewPage extends StatefulWidget {
  [@override](/user/override)
  _WebViewPageState createState() => _WebViewPageState();
}

class _WebViewPageState extends State<WebViewPage> {
  InAppWebViewController? webViewController;

  [@override](/user/override)
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('WebView Example'),
      ),
      body: InAppWebView(
        initialUrlRequest: URLRequest(url: Uri.parse("https://flutter.dev")),
        onWebViewCreated: (InAppWebViewController controller) {
          webViewController = controller;
        },
        onLoadStart: (InAppWebViewController controller, Uri? url) {
          print("Page started loading: $url");
        },
        onLoadStop: (InAppWebViewController controller, Uri? url) {
          print("Page finished loading: $url");
        },
      ),
    );
  }
}

4. 导航到WebView页面

在你的应用中导航到WebViewPage

import 'package:flutter/material.dart';

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  [@override](/user/override)
  Widget build(BuildContext context) {
    return MaterialApp(
      home: HomePage(),
    );
  }
}

class HomePage extends StatelessWidget {
  [@override](/user/override)
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Home Page'),
      ),
      body: Center(
        child: ElevatedButton(
          onPressed: () {
            Navigator.push(
              context,
              MaterialPageRoute(builder: (context) => WebViewPage()),
            );
          },
          child: Text('Open WebView'),
        ),
      ),
    );
  }
}
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