Android Question httputils downloading file from link-Wait for being ignored

Sub Class_Globals
    Private Root As B4XView
    Private xui As XUI
'    Private Activity As Activity

    Private B4XTable1 As B4XTable
    Private const CSVFile As String = "songlist.csv"
End Sub

Public Sub Initialize
'    B4XPages.GetManager.LogEvents = True
End Sub

'This event will be called once, before the page becomes visible.
Private Sub B4XPage_Created (Root1 As B4XView)
    Root = Root1
    Root.LoadLayout("CMCK_Song_List")
    xui.SetDataFolder(File.DirAssets)
    B4XTable1.RowHeight = 30dip
    B4XTable1.NumberOfFrozenColumns = 1
    B4XTable1.AddColumn("Song", B4XTable1.COLUMN_TYPE_TEXT)
    B4XTable1.AddColumn("Singer", B4XTable1.COLUMN_TYPE_TEXT)
    DownloadAndSaveFile("https://drive.google.com/file/d/1q9nKZ6SqiegtLiq64pVJbk9fTuc5AMpS/view?usp=sharing")
    LoadData
    B4XTable1.MaximumRowsPerPage = 30
    B4XTable1.BuildLayoutsCache(B4XTable1.MaximumRowsPerPage)
    
End Sub


Private Sub LoadData
    
    Dim data As List
    data.Initialize
    If File.Exists(xui.DefaultFolder,CSVFile) Then
         Dim su As StringUtils
         data = su.LoadCSV(xui.DefaultFolder, CSVFile, ",")
    Else
           data.Initialize
    End If
    B4XTable1.SetData(data)
End Sub

Sub DownloadAndSaveFile (Link As String)
    Dim j As HttpJob
    j.Initialize("", Me)
    j.Download(Link)
    Wait For (j) JobDone(j As HttpJob)
    If j.Success Then
        Log ("Success")
        Dim out As OutputStream = File.OpenOutput(xui.DefaultFolder, CSVFile, False)
        File.Copy2(j.GetInputStream, out)
        out.Close '<------ very important
    End If
    j.Release
End Sub