Querying channel info with ContentResolver

Channels.kt

private fun queryChannels(): List<Channel> {
    val channels = ArrayList<Channel>()
    context.contentResolver.query(
        /* uri = */ TvContractCompat.Channels.CONTENT_URI,
        /* projection = */ Channel.PROJECTION,
        /* selection = */ null,
        /* selectionArgs = */ null,
        /* sortOrder = */ null
    ).use { cursor ->
        while (cursor != null && cursor.moveToNext()) {
            channels.add(Channel.fromCursor(cursor))
        }
    }
    return channels
}