Remove exception when widget is not mounted

4 years ago · ee45815da5
parent 404857817b
commit ee45815da5
1 changed files with 6 additions and 2 deletions
--- a/lib/src/widgets/raw_editor.dart
+++ b/lib/src/widgets/raw_editor.dart
@ -483,8 +483,12 @@ class RawEditorState extends EditorState
        ..startCursorTimer();
    }

-    SchedulerBinding.instance!.addPostFrameCallback(
-        (_) => _updateOrDisposeSelectionOverlayIfNeeded());
+    SchedulerBinding.instance!.addPostFrameCallback((_) {
+      if (!mounted) {
+        return;
+      }
+      _updateOrDisposeSelectionOverlayIfNeeded();
+    });
    if (mounted) {
      setState(() {
        // Use widget.controller.value in build()