Android Question Dialogs getTitle and Button

Sub Activity_Click
   Dim cd As ColorDialog
   Dim sf As JavaObject = cd.ShowAsync("Choose Color", "Yes", "Cancel", "No", Null, False)
   Dim b As Button = sf.RunMethod("getButton", Array(DialogResponse.POSITIVE))
   b.Color = Colors.Red
   Dim cs As CSBuilder
   sf.RunMethod("setTitle", Array(cs.Initialize.Color(Colors.Yellow).Append("Title").PopAll))
   Wait For (sf) Dialog_Result(Result As Int)
   If Result = DialogResponse.POSITIVE Then
     Activity.Color = cd.RGB
   End If
End Sub