From f23ea07f4488cda3a2a1160ca9481dcad6db763f Mon Sep 17 00:00:00 2001
From: faiyaz-shaikh <89002539+faiyaz-shaikh@users.noreply.github.com>
Date: Wed, 15 Dec 2021 11:56:12 +0530
Subject: [PATCH] Fix bug #150

---
 CHANGELOG.md                 |  1 +
 lib/src/layout_overlays.dart | 14 ++++++++------
 2 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 92cdeac8..b2bd9e5e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,7 @@
 ## [1.1.5] - November 29, 2021 [Unreleased]
 
 - Fixed [#173](https://github.com/SimformSolutionsPvtLtd/flutter_showcaseview/issues/173) - showArrow not working
+- Fixed [#179](https://github.com/SimformSolutionsPvtLtd/flutter_showcaseview/issues/179) - Add condition for determine state is active
 
 ## [1.1.4] - November 26, 2021
 
diff --git a/lib/src/layout_overlays.dart b/lib/src/layout_overlays.dart
index 3418e04d..ade32d3f 100644
--- 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);
+        }
       }
     }
   }