Fix bug #150 (#179)

SimformSolutionsPvtLtd · Feb 24, 2022 · 617e95a · 617e95a
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,6 +1,7 @@
 ## [1.1.5] - December 2, 2021 [Unreleased]
 
 - Fixed [#173](https://github.com/SimformSolutionsPvtLtd/flutter_showcaseview/issues/173) - showArrow not working
+- Fixed [#150](https://github.com/SimformSolutionsPvtLtd/flutter_showcaseview/issues/150) - Add condition for determine state is active
 - Fixed [#121](https://github.com/SimformSolutionsPvtLtd/flutter_showcaseview/issues/121) - SlideTransition widget in tooltip_widget.dart is constantly rebuildung even after the showcasing is supposed to have stopped
 
 ## [1.1.4] - November 26, 2021

diff --git a/lib/src/layout_overlays.dart b/lib/src/layout_overlays.dart
@@ -167,12 +167,14 @@ class _OverlayBuilderState extends State<OverlayBuilder> {
   }
 
   void addToOverlay(OverlayEntry overlayEntry) async {
-    if (ShowCaseWidget.of(context)?.context != null &&
-        Overlay.of(ShowCaseWidget.of(context)!.context) != null) {
-      Overlay.of(ShowCaseWidget.of(context)!.context)!.insert(overlayEntry);
-    } else {
-      if (Overlay.of(context) != null) {
-        Overlay.of(context)!.insert(overlayEntry);
+    if (mounted) {
+      if (ShowCaseWidget.of(context)?.context != null &&
+          Overlay.of(ShowCaseWidget.of(context)!.context) != null) {
+        Overlay.of(ShowCaseWidget.of(context)!.context)!.insert(overlayEntry);
+      } else {
+        if (Overlay.of(context) != null) {
+          Overlay.of(context)!.insert(overlayEntry);
+        }
       }
     }
   }