Android Question Video recording problem

Sub Process_Globals
    Dim audioRecorder As AudioRecordApp
    Dim videoRecorder As VideoRecordApp
End Sub

Sub Globals
    Dim vv As VideoView
End Sub

Sub Activity_Create(FirstTime As Boolean)
   If FirstTime Then
           audioRecorder.Initialize("audioRecorder")
        videoRecorder.Initialize("videoRecorder")
    End If
    vv.Initialize("vv")
    Activity.AddView(vv, 0, 0, 100%x, 100%y)
    Activity.AddMenuItem("Record Video", "RecordVideo")
    Activity.AddMenuItem("Record Audio", "RecordAudio")
    ToastMessageShow("Press on Menu button...", True)
End Sub

Sub RecordVideo_Click
    videoRecorder.Record(File.DirRootExternal, "1.mp4")
End Sub
Sub RecordAudio_Click
    audioRecorder.Record(File.DirRootExternal, "1.3gpp")
End Sub
Sub videoRecorder_RecordComplete (Success As Boolean)
    Log(Success)
    If Success Then
        vv.LoadVideo(File.DirRootExternal, "1.mp4")
        vv.Play
    End If
End Sub
Sub audioRecorder_RecordComplete (Success As Boolean)
    Log(Success)
    If Success Then
        vv.LoadVideo(File.DirRootExternal, "1.3gpp")
        vv.Play
    End If
End Sub

Sub Activity_Resume

End Sub

Sub Activity_Pause (UserClosed As Boolean)

End Sub