webview_dialog.dart
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import 'dart:collection';
import 'package:flutter/material.dart';
import 'package:flutter_inappwebview/flutter_inappwebview.dart';
class WebviewDialog extends StatelessWidget {
final String title;
final String webUrl;
final VoidCallback leftTap;
final VoidCallback rightTap;
const WebviewDialog(
{super.key,
required this.title,
required this.webUrl,
required this.leftTap,
required this.rightTap});
@override
Widget build(BuildContext context) {
return AlertDialog(
title: Center(
child: Text(title),
),
content: SizedBox(
width: MediaQuery.of(context).size.height - 100,
height: MediaQuery.of(context).size.width - 100,
child: FutureBuilder(
// 异步方法
future: buildWebViewController(webUrl),
builder: (context, snapshot) {
// 等待状态显示的widget
if (snapshot.connectionState == ConnectionState.waiting) {
return const Center(
child: CircularProgressIndicator(),
);
// 错误时显示的widget
} else if (snapshot.hasError) {
return const Text('Error');
} else {
return snapshot.data ?? const Text('No data');
}
})),
actions: <Widget>[
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
TextButton(
child: const Text('同意并继续',
style: TextStyle(color: Color(0xFFFBB621))),
onPressed: () {
// 处理接受按钮的点击事件
leftTap(); // 关闭对话框
},
),
TextButton(
child: const Text('不同意，退出应用'),
onPressed: () {
// 处理拒绝按钮的点击事件
rightTap(); // 关闭对话框
},
),
],
)
],
);
}
Future<Widget> buildWebViewController(String url) async {
Widget res;
try {
// WebViewController controller = WebViewController()
// ..setJavaScriptMode(JavaScriptMode.unrestricted)
// ..setBackgroundColor(const Color(0x00000000))
// ..setNavigationDelegate(
// NavigationDelegate(
// onProgress: (int progress) {
// // Update loading bar.
// },
// onPageStarted: (String url) {
// EasyLoading.show();
// },
// onPageFinished: (String url) {
// EasyLoading.dismiss();
// },
// onWebResourceError: (WebResourceError error) {
// EasyLoading.showError(error.description);
// },
// onNavigationRequest: (NavigationRequest request) {
// return NavigationDecision.navigate;
// },
// ),
// );
// await controller.loadRequest(Uri.parse(url));
// res = WebViewWidget(controller: controller);
res = InAppWebView(
initialUrlRequest: URLRequest(url: Uri.parse(url)),
initialUserScripts: UnmodifiableListView<UserScript>([]),
initialOptions: InAppWebViewGroupOptions(
crossPlatform: InAppWebViewOptions(
useShouldOverrideUrlLoading: true, // 是否需要跳转
mediaPlaybackRequiresUserGesture: false, // 设置为true，方式H5的音频自动播放
transparentBackground: true
),
android: AndroidInAppWebViewOptions(
useHybridComposition: true,
),
ios: IOSInAppWebViewOptions(
allowsInlineMediaPlayback: true,
),
),
onWebViewCreated: (controller) {
// _inAppWebViewController = controller;
},
);
} catch (error) {
res = Text("加载失败：${error.toString()}");
debugPrint("WebViewController加载失败：${error.toString()}");
}
return res;
}
}