Download to device by url

Download.kt

class MyDownloadManager {

    fun downloadByUrl(context: Context, url: String) {
        val fileName = url.substring(url.lastIndexOf('/') + 1)
        val request = DownloadManager.Request(Uri.parse(url)).apply {
            setTitle("image $fileName")
            setDescription("From CatGallery")
            setNotificationVisibility(VISIBILITY_VISIBLE_NOTIFY_COMPLETED)
            setDestinationInExternalPublicDir(DIRECTORY_DOWNLOADS, fileName)
        }
        (context.getSystemService(DOWNLOAD_SERVICE) as DownloadManager).enqueue(request)
    }
}