Android Question xCustomListView item widths

Sub Activity_Create(FirstTime As Boolean)
    Activity.LoadLayout("clv_test")        ' <--- xCLV only
    xCLV.sv.SetLayoutAnimated(0, 0dip, 0dip, 100%x, 100%y)   ' <-- wich one of these 2 should
    xCLV.GetBase.SetLayoutAnimated(0, 0dip, 0dip, 100%x, 100%y)   ' <-- be placed at first?
    For i = 1 To 10
        Dim p As Panel
        p.Initialize("pnl")
        p.SetLayout(0dip, 0dip, xCLV.sv.Width, 10%y)  ' <-- panels are only 30% of the CLV width ... why?
        p.Color = Colors.Blue
        xCLV.Add(p, 0)
    Next
End Sub