Android Question Download zip file from web http

Sub DownloadZip( cZip As String )
   Dim j As HttpJob
   j.Initialize("", Me)
   j.Download( "http://www.intitec.com/actualizaciones/abc.zip" )
   Wait For (j) JobDone(j As HttpJob)
   If j.Success Then   '  It never goes through here !!!  Never Success true
       Dim out As OutputStream = File.OpenOutput(File.DirRootExternal, "filename.dat", False)
       File.Copy2(j.GetInputStream, out)
       out.Close
   Else
       ToastMessageShow("Could not download",False)
       Log(j.ErrorMessage)   '  <---  Error message here.
   End If
   j.Release
End Sub

Sub Globals
    'These global variables will be redeclared each time the activity is created.
    'These variables can only be accessed from this module.
    Dim rp As RuntimePermissions
End Sub

Sub Activity_Create(FirstTime As Boolean)
    'Do not forget to load the layout file created with the visual designer. For example:
    'Activity.LoadLayout("Layout1")
    rp.CheckAndRequest(rp.PERMISSION_WRITE_EXTERNAL_STORAGE)
    wait for Activity_PermissionResult(Permission As String, success As Boolean)
    If success Then
        Log("Permission is set: "&Permission)
        DownloadZip("http://www.intitec.com/actualizaciones/abc.zip")
    End If
End Sub
Sub DownloadZip( cZip As String )
    Dim j As HttpJob
    j.Initialize("", Me)
    j.Download( cZip )
    Wait For (j) JobDone(j As HttpJob)
    If j.Success Then   '  It never goes through here !!!  Never Success true
        Dim out As OutputStream = File.OpenOutput(File.DirRootExternal, "filename.dat", False)
        File.Copy2(j.GetInputStream, out)
        out.Close
        Log("File saved to "&File.Combine(File.DirRootExternal,"filename.dat"))
    Else
        ToastMessageShow("Could not download",False)
        Log(j.ErrorMessage)   '  <---  Error message here.
    End If
    j.Release
End Sub