Fixes for webview

lib/ui/app/app_webview.dart

@@ -17,7 +17,12 @@ class AppWebView extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return kIsWeb ? _WebWebView(html: html) : _MobileWebView(html: html);
+    return kIsWeb
+        ? _WebWebView(html: html)
+        : _MobileWebView(
+            html: html,
+            width: MediaQuery.of(context).size.width - 20,
+          );
   }
 }
 
@@ -38,9 +43,14 @@ class _WebWebView extends StatelessWidget {
 }
 
 class _MobileWebView extends StatefulWidget {
-  const _MobileWebView({Key? key, this.html}) : super(key: key);
+  const _MobileWebView({
+    Key? key,
+    required this.html,
+    required this.width,
+  }) : super(key: key);
 
   final String? html;
+  final double width;
 
   @override
   _MobileWebViewState createState() => _MobileWebViewState();
@@ -53,35 +63,36 @@ class _MobileWebViewState extends State<_MobileWebView>
   @override
   bool get wantKeepAlive => true;
 
+  @override
+  void initState() {
+    super.initState();
+
+    _webViewController = WebViewController()
+      ..setJavaScriptMode(JavaScriptMode.disabled)
+      ..setBackgroundColor(const Color(0x00000000));
+
+    if ((widget.html ?? '').isNotEmpty) {
+      _webViewController.loadHtmlString(
+          widget.html!.replaceFirst('width="570"', 'width="${widget.width}"'));
+    }
+  }
+
   @override
   void didUpdateWidget(oldWidget) {
     super.didUpdateWidget(oldWidget);
 
     if (widget.html != oldWidget.html) {
-      _webViewController.loadHtmlString(widget.html!);
-
-      /*
-      _webViewController.loadUrl(Uri.dataFromString(widget.html!,
-              mimeType: 'text/html', encoding: Encoding.getByName('utf-8'))
-          .toString());
-          */
+      _webViewController.loadHtmlString(
+          widget.html!.replaceFirst('width="570"', 'width="${widget.width}"'));
     }
   }
 
-  /*
   @override
   Widget build(BuildContext context) {
     super.build(context);
 
-    return WebView(
-      initialUrl: Uri.dataFromString(widget.html!,
-              mimeType: 'text/html', encoding: Encoding.getByName('utf-8'))
-          .toString(),
-      onWebViewCreated: (WebViewController webViewController) {
-        _webViewController = webViewController;
-      },
-      javascriptMode: JavascriptMode.disabled,
+    return WebViewWidget(
+      controller: _webViewController,
     );
   }
-  */
 }