2021-02-01 22:31:32 +08:00 · 2021-02-01 22:31:32 +08:00 · f4e5df4068
parent 1b19f1a660
commit f4e5df4068
1 changed files with 5 additions and 3 deletions
--- a/lib/widgets/html_view.dart
+++ b/lib/widgets/html_view.dart
@ -29,9 +29,11 @@ class _HtmlViewState extends State<HtmlView> {
    final value = await controller
        .evaluateJavascript("document.documentElement.scrollHeight;");
    // print(value);
-    setState(() {
-      height = double.parse(value);
-    });
+    if (mounted) {
+      setState(() {
+        height = double.parse(value);
+      });
+    }
  }

  @override