Android Question KeyValueStore: reading a custom type array

 Public FTPfiles() As FTPEntry2 = kvs.Get("ftp_entries")

Public FTPfiles() As FTPEntry2    'current FTP files info to compare

java.lang.ClassCastException: java.lang.Object[] cannot be cast to java.util.List

Public FTPfiles As List = kvs.Get("ftp_entries")

kvs.Put("ftp_entries", PrevFiles)

    If kvs.ContainsKey("ftp_entries") Then
        Dim obj As Object = kvs.Get("ftp_entries")
        Dim L As List = obj
        For i = 0 To L.Size - 1                'here error: java.lang.ClassCastException: java.lang.Object[] cannot be cast to java.util.List
            PrevFiles(i) = L.Get(i)
        Next
    End If

'save the FTP files list info
Sub Copy_TO_FTPEntry2(source() As FTPEntry)
    Dim FTPfiles(source.Length) As FTPEntry2
    For i = 0 To source.Length - 1
        FTPfiles(i).Name = source(i).Name
        FTPfiles(i).Size = source(i).Size
        FTPfiles(i).Timestamp = source(i).Timestamp
        FTPfiles(i).IsInitialized = source(i).IsInitialized
    Next
End Sub

Sub Copy_TO_FTPEntry2(source() As FTPEntry) As List

    Dim FTPfiles As List
    FTPfiles.initialize
    For i = 0 To source.Length - 1
        Dim src As FTPEntry = source(i)
        Dim fle As FTPEntry2 = CreateFTPEntry2(src.Name,src.Timestamp,src.Size,"","","")
        FTPfiles.Add(fle)
    Next
    Return FTPfiles
End Sub
Public Sub CreateFTPEntry2 (Name As String, Timestamp As Long, Size As Long, FTP_path As String, LocalPath As String, status As String) As FTPEntry2
    Dim t1 As FTPEntry2
    t1.Initialize
    t1.Name = Name
    t1.Timestamp = Timestamp
    t1.Size = Size
    t1.FTP_path = FTP_path
    t1.LocalPath = LocalPath
    t1.status = status
    Return t1
End Sub