Android Question Files in File.DirAssets cann't accept Thai song as non-English file name.

    Dim lst As List = File.ListFiles(File.DirAssets)
    Log(lst.Get(lst.Size-1))

Private Sub B4XPage_Created (Root1 As B4XView)
    Root = Root1
    Root.LoadLayout("MainPage")
    player1.Initialize("player")
    Dim sources As List
    sources.Initialize
'    sources.Add(player1.CreateUriSource("http://vod.tuxchannel.tv/peliculas/720/late%20night%202019.mkv"))
'    sources.Add(player1.CreateUriSource("http://vod.tuxchannel.tv/peliculas/720/late%20night%202019.mkv"))
'    sources.Add(player1.CreateUriSource("http://vod.tuxchannel.tv/peliculas/720/late%20night%202019.mkv"))
    sources.Add(player1.CreateFileSource(File.DirAssets,"ThanksForLovingMe.mp3")) '<==It is accepted only English song
    sources.Add(player1.CreateFileSource(File.DirAssets,"ขอบคุณที่ยังรักกัน.mp3"))  '<==It can't be accepted Thai song
    player1.Prepare(player1.CreateListSource(sources))
    SimpleExoPlayerView1.Player = player1
SimpleExoPlayerView1.As(JavaObject).RunMethod("setShutterBackgroundColor", Array(0xfff3a6c0))
SimpleExoPlayerView1.Color = 0xfff3a6c0
End Sub

Sub Process_Globals
    Private xui As XUI
    Private player1 As SimpleExoPlayer
End Sub
Sub Globals
    Public sources As List
    Private SimpleExoPlayerView1 As SimpleExoPlayerView
End Sub
Sub Activity_Create(FirstTime As Boolean)
    Activity.LoadLayout("Layout")
    player1.Initialize("player1")
End Sub
Sub Activity_Resume
    sources.Initialize
    sources.Add(player1.CreateFileSource(File.DirAssets,"บทสวดยอดพระกัณฑ์ไตรปิฎก.mp4"))
    player1.Prepare(player1.CreateListSource(sources))
    SimpleExoPlayerView1.Player = player1
    player1.Play
End Sub