OGLESContext#deinitInThread(): releasing the weak references of the Application#context

Author: pavly-gerges

jme3-android/src/main/java/com/jme3/system/android/OGLESContext.java

@@ -247,10 +247,19 @@ protected void deinitInThread() {
             }
 
             listener.destroy();
-
+            // releases the view holder from the Android Input Resources
+            // releasing the view enables the context instance to be
+            // reclaimed by the GC.
+            // if not released; it leads to a weak reference leak
+            // disabling the destruction of the Context View Holder.
+            androidInput.setView(null);
+
+            // nullifying the references
+            // signals their memory to be reclaimed
             listener = null;
             renderer = null;
             timer = null;
+            androidInput = null;
 
             // do android specific cleaning here
             logger.fine("Display destroyed.");