Android Question CustomLayoutDialog without padding

Sub Activity_Click
   Dim cd As CustomLayoutDialog
   Dim cdlg As Object = cd.ShowAsync("Choose item", "", "", "", Null, False)
   cd.SetSize(100%x, 100%y)

   Dim jo As JavaObject = cdlg
   Dim warna As ColorDrawable
   warna.Initialize(Colors.Transparent,0)
   jo.RunMethodJO("getWindow",Null).RunMethod("setBackgroundDrawable", Array(warna))

   Wait For Dialog_Ready (DialogPanel As Panel)
   DialogPanel.LoadLayout("CustomDialogLayout")
   For i = 1 To 20
       CLVDialog.AddTextItem("Item #" & i, i)
   Next
   Wait For CLVDialog_ItemClick (Index As Int, Value As Object)
   Log("Selected item: " & Value)
   cd.CloseDialog(DialogResponse.POSITIVE)
End Sub

cd.ShowAsync("", "", "", "", Null, False)
cd.SetSize(280dip + 32dip, 220dip - 14dip)
Wait For Dialog_Ready (DialogPanel As Panel)
Log(DialogPanel)
DialogPanel.LoadLayout("1")