huixiang_app/lib/web/web_turntable_activity.dart

import 'package:flutter/material.dart';
import 'package:huixiang/view_widget/my_appbar.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:webview_flutter/webview_flutter.dart';

class WebTurntableActivity extends StatefulWidget {
  final Map<String, dynamic>? arguments;

  ///转盘活动
  WebTurntableActivity({this.arguments});

  @override
  State<StatefulWidget> createState() {
    return _WebTurntableActivity();
  }
}

class _WebTurntableActivity extends State<WebTurntableActivity> with WidgetsBindingObserver {
  final ScrollController scrollController = ScrollController();
  String? token;

  late WebViewController _webViewController;

  @override
  void initState() {
    super.initState();
    WidgetsBinding.instance.addObserver(this);

    SharedPreferences.getInstance().then((value) => {
      token = value.getString('token'),
      _webViewController = WebViewController()
        ..setJavaScriptMode(JavaScriptMode.unrestricted)
        ..setNavigationDelegate(
          NavigationDelegate(
            onProgress: (int progress) {
              // Update loading bar.
            },
            onPageStarted: (String url) {},
            onPageFinished: (String url) {},
            onWebResourceError: (WebResourceError error) {},
            onNavigationRequest: (NavigationRequest request) {
              // if (request.url.startsWith('https://www.youtube.com/')) {
              //   return NavigationDecision.prevent;
              // }
              return NavigationDecision.navigate;
            },
          ),
        )
        ..loadRequest(Uri.parse("http://192.168.10.90:5500/lottery.html?token=${token}"))
    });
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: MyAppBar(
        action: Container(
          margin: EdgeInsets.only(right: 10),
          child: GestureDetector(
            onTap: () {
              // share();
            },
            child: Icon(
              Icons.share,
              size: 24,
              color: Colors.black,
            ),
          ),
        ),
        title: "",
        background: Color(0xFFFFFFFFF),
        leadingColor: Colors.black,
      ),
      body: Container(
          width: MediaQuery.of(context).size.width,
          height: MediaQuery.of(context).size.height,
          alignment: Alignment.center,
          child: WebViewWidget(
            controller: _webViewController,
          ),
      ),
    );
  }
}