Android- Fix crash when querying for surface when window info was not created yet

HasSurface is called by ReadyToRender property to query if the surface
was created, but it’s possible that the window info was not created
yet, added a missing null check.

diff --git a/src/OpenTK/Platform/Android/AndroidGraphicsContext.cs b/src/OpenTK/Platform/Android/AndroidGraphicsContext.cs
index f4fd54dc6d5de9795ae3fecd3629e4640156427c..c4edb69d42e4eac5bc3b99a04f0e33a3bd7b0aa0 100644 (file)
--- a/src/OpenTK/Platform/Android/AndroidGraphicsContext.cs
+++ b/src/OpenTK/Platform/Android/AndroidGraphicsContext.cs
@@ -57,7 +57,7 @@ namespace OpenTK.Platform.Android {
 
         public bool HasSurface
         {
-            get { return eglWindowInfo.Surface != IntPtr.Zero; }
+            get { return eglWindowInfo != null && eglWindowInfo.Surface != IntPtr.Zero; }
         }
 
         public ISurfaceHolder Holder {