Android: Prevent activity from being destroyed when connecting an external keyboard

extras/Projucer/Source/ProjectSaving/jucer_ProjectExport_Android.h

@@ -1767,7 +1767,7 @@ private:
         setAttributeIfNotPresent (*act, "android:name", getActivityClassString());
 
         if (! act->hasAttribute ("android:configChanges"))
-            act->setAttribute ("android:configChanges", "keyboardHidden|orientation|screenSize");
+            act->setAttribute ("android:configChanges", "keyboard|keyboardHidden|orientation|screenSize|navigation");
 
         if (androidScreenOrientation.get() == "landscape")
         {