Android Question Problem to Upload file with Web API Rest

    Dim Myout As OutputStream
    Myout.InitializeToBytesArray(0)
    Myout = File.OpenOutput(File.DirInternal, "/1.jpg", False)
    Myout.WriteBytes(Data, 0, Data.Length)
    Myout.Close   
   
    Dim out As OutputStream
    out.InitializeToBytesArray(0)
    Dim In As InputStream = File.OpenInput(File.DirInternal, "/1.jpg")
    File.Copy2(In, out)
   
    Dim Input As Map
    Input.Initialize
    Input.Put("IdRma",OnSiteMain.IdRMA)
    Input.Put("Fic",out.ToBytesArray)
   
    Dim JSONGenerator As JSONGenerator
    JSONGenerator.Initialize(Input)
   
    Log(JSONGenerator.ToPrettyString(2))
   
    Dim Job1 As HttpJob
    Job1.Initialize("Photo", "Photo")
    Job1.PostString(Main.URL & "tools/file/", JSONGenerator.ToPrettyString(2))
    Job1.GetRequest.SetHeader("Authorization",Main.MyToken)
    Job1.GetRequest.SetContentType("application/json")
    Job1.GetRequest.Timeout = 60000

Public Class WebGed

    Public Property IdRma As Integer
    Public Property Fic As New List(Of SByte)

End Class

        <[POST]("file")>
        <HttpPost()>
        Public Function Send(<FromBody()> WebGed As WebGed) As Boolean

          
            Dim Dest(Fic.Fic.ToArray.Length) As Byte
            System.Buffer.BlockCopy(Fic.Fic.ToArray, 0, Dest, 0, Fic.Fic.ToArray.Length)

            Dim MyMemoryStream as System.IO.MemoryStream = New System.IO.MemoryStream(Dest)
        
            'following code to store file in database


            Return True
        End Function