protected override void Dispose(bool disposing)
 {
     base.Dispose(disposing);
     if (_backButton != null)
     {
         _backButton.Dispose();
         _backButton = null;
     }
     if (_shareViewController != null)
     {
         _shareViewController.Dispose();
         _shareViewController = null;
     }
 }
    public void NewObjectDispose()
    {
        var obj = new UIActivityViewController("WOOT");

        obj.Dispose();
    }