void HandleNullReferenceClick(object sender, EventArgs args)
 {
     try
     {
         string a = null;
         a.ToString();
     }
     catch (Exception ex) {
         Java.Lang.Exception javaException = ex.ToJavaException();
         Log.Debug(Tag, "Java Exception: " + javaException.ToString());
         Mint.LogException(javaException);
     }
 }