German Probleme mit VideoView

'Activity module
Sub Process_Globals
   'These global variables will be declared once when the application starts.
   'These variables can be accessed from all modules.

End Sub

Sub Globals
    Dim vv As VideoView
End Sub
Sub Activity_Create(FirstTime As Boolean)
    vv.Initialize("vv")
    Activity.AddView(vv, 10dip, 10dip, 250dip, 250dip)
    File.Copy(File.DirAssets, "sample_mpeg4.mp4", File.DirInternal, "sample_mpeg4.mp4")
    vv.LoadVideo(File.DirInternal, "sample_mpeg4.mp4")
    vv.Play
End Sub
Sub vv_Complete
    Log("Playing completed")
End Sub