From c21b7a93f3f9ea66f9694b2ae40fabf2d8744fb3 Mon Sep 17 00:00:00 2001
From: UnknownShadow200 <unknownshadow200@gmail.com>
Date: Wed, 29 Sep 2021 21:08:16 +1000
Subject: [PATCH] Android: Fix after sometimes window was destroyed that the
 game would become permanently stuck and eventually show as not responding

---
 android/app/src/main/java/com/classicube/MainActivity.java | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/android/app/src/main/java/com/classicube/MainActivity.java b/android/app/src/main/java/com/classicube/MainActivity.java
index 63779edf8..56573c378 100644
--- a/android/app/src/main/java/com/classicube/MainActivity.java
+++ b/android/app/src/main/java/com/classicube/MainActivity.java
@@ -387,7 +387,8 @@ public class MainActivity extends Activity {
 	// --------------- VIEWS ----------------
 	// ======================================
 	volatile boolean fullscreen;
-	final Semaphore winDestroyedSem = new Semaphore(0, true);
+	// static to persist across activity destroy/create
+	static final Semaphore winDestroyedSem = new Semaphore(0, true);
 	SurfaceHolder.Callback callback;
 	CCView curView;