跳转更改

lib/web/web_turntable_activity.dart

@@ -1,8 +1,34 @@
+import 'dart:io';
+import 'dart:ui';
+
 import 'package:flutter/material.dart';
+import 'package:flutter/rendering.dart';
 import 'package:huixiang/view_widget/my_appbar.dart';
 import 'package:webview_flutter/webview_flutter.dart';
+import 'package:flutter/cupertino.dart';
+
+class WebTurntableActivity extends StatefulWidget {
+  final Map<String, dynamic> arguments;
+
+  ///转盘活动
+  WebTurntableActivity({this.arguments});
 
-class WebTurntableActivity extends StatelessWidget {
+  @override
+  State<StatefulWidget> createState() {
+    return _WebTurntableActivity();
+  }
+}
+
+class _WebTurntableActivity extends State<WebTurntableActivity> with WidgetsBindingObserver {
+  final ScrollController scrollController = ScrollController();
+
+  @override
+  void initState() {
+    super.initState();
+    WidgetsBinding.instance.addObserver(this);
+    if (Platform.isAndroid) WebView.platform = SurfaceAndroidWebView();
+
+  }
 
   @override
   Widget build(BuildContext context) {
@@ -28,10 +54,12 @@ class WebTurntableActivity extends StatelessWidget {
       body: Container(
           width: MediaQuery.of(context).size.width,
           height: MediaQuery.of(context).size.height,
-        child:
-        WebView(
-          initialUrl: "http://192.168.10.90:5500/lottery.html",
-        )),
+          alignment: Alignment.center,
+          child:
+          WebView(
+            initialUrl: "http://192.168.10.90:5500/lottery.html",
+            javascriptMode: JavascriptMode.unrestricted,
+          )),
     );
   }
 }