Android Question Chage ListView Row/ITEM

Sub ChangeItem (LST As ListView, Item As Int, NewValue As String)
    Dim CountItem As Int
    Dim LSTTemp As ListView
 
    LSTTemp.Initialize ("")
 
    For CountItem=0 To LST.Size-1
        If CountItem <> Item Then
            LSTTemp.AddSingleLine (LST.GetItem(CountItem))
        Else
            LSTTemp.AddSingleLine (NewValue)
        End If
    Next
 
    LST.Clear
 
    For CountItem=0 To LSTTemp.Size-1
        LST.AddSingleLine (LSTTemp.GetItem(CountItem))
    Next
End Sub

Sub UPItem (LST As ListView, Item As Int, DownItem As Boolean)
 
    Dim CountItem As Int
    Dim LSTTemp As ListView
 
    LSTTemp.Initialize ("")
 
    If DownItem=False And Item > 0 Or DownItem=True And Item < LST.Size Then
        For CountItem = 0 To LST.Size-1
            If CountItem <> Item Then
                If DownItem=False Or DownItem=True And CountItem <> Item+1 Then
                    LSTTemp.AddSingleLine (LST.GetItem(CountItem))
                End If
            Else
                If DownItem=False Then
                    LSTTemp.RemoveAt(CountItem-1)
                    LSTTemp.AddSingleLine (LST.GetItem(CountItem))
                    LSTTemp.AddSingleLine (LST.GetItem(CountItem-1))
                Else
                    LSTTemp.AddSingleLine (LST.GetItem(CountItem+1))
                    LSTTemp.AddSingleLine (LST.GetItem(CountItem))
                End If
            End If
        Next
     
        LST.Clear
 
        For CountItem=0 To LSTTemp.Size-1
            LST.AddSingleLine (LSTTemp.GetItem(CountItem))
        Next
    End If
End Sub