From 0bf6dc2e93fdf22ba8b712af14b9ce261863f122 Mon Sep 17 00:00:00 2001
From: Manol Donev <manoldonev@users.noreply.github.com>
Date: Thu, 4 Oct 2018 14:31:57 +0300
Subject: [PATCH] fix(android): nested frames on app suspend/resume (#6339)

---
 tns-core-modules/ui/frame/frame.android.ts | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/tns-core-modules/ui/frame/frame.android.ts b/tns-core-modules/ui/frame/frame.android.ts
index fa0f2bace..e0c8ab556 100644
--- a/tns-core-modules/ui/frame/frame.android.ts
+++ b/tns-core-modules/ui/frame/frame.android.ts
@@ -755,6 +755,17 @@ class FragmentCallbacksImplementation implements AndroidFragmentCallbacks {
         if (traceEnabled()) {
             traceWrite(`${fragment}.onDestroyView()`, traceCategories.NativeLifecycle);
         }
+
+        // fixes 'java.lang.IllegalStateException: The specified child already has a parent. You must call removeView() on the child's parent first'.
+        // on app resume in nested frame scenarios with support library version greater than 26.0.0
+        const view = fragment.getView();
+        if (view != null) {
+            const viewParent = view.getParent();
+            if (viewParent instanceof android.view.ViewGroup) {
+                viewParent.removeView(view);
+            }
+        }
+
         superFunc.call(fragment);
     }