Android Code Snippet Change notification background color

'Whether to use the accent color for the background. Not applied in all cases.
'For most styles, the coloring will only be applied if the notification is for a foreground service notification.
Public Sub Colorized (Enabled As Boolean) As NB6
    If IsBuilder Then
        If SdkLevel >= 26 Then
            NotificationBuilder.RunMethod("setColorized", Array(True))
        End If
    End If
    Return Me
End Sub

Sub Service_Create
    Service.AutomaticForegroundMode = Service.AUTOMATIC_FOREGROUND_NEVER
    Dim icon As Bitmap = LoadBitmapResize(File.DirAssets, "smiley.png", 24dip, 24dip, False)
    Dim n As NB6
    n.Initialize("default", Application.LabelName, "DEFAULT").AutoCancel(True).SmallIcon(icon).Color(Colors.Red).Colorized(True)
    Service.StartForeground(10, n.Build("Colorized", "This is a foreground service notification", "tag1", Me))
End Sub