Get channel programs function

Programs.kt

fun getChannelPrograms(channelId: Long): List<PreviewProgram> {
    val programs = ArrayList<PreviewProgram>()
    context.contentResolver.query(
        /* uri = */ TvContractCompat.PreviewPrograms.CONTENT_URI,
        /* projection = */ PreviewProgram.PROJECTION,
        /* selection = */ null,
        /* selectionArgs = */ null,
        /* sortOrder = */ null
    ).use { cursor ->
        if (cursor != null) {
            while (cursor.moveToNext()) {
                val program = PreviewProgram.fromCursor(cursor)
                if (program.channelId == channelId) {
                    programs.add(program)
                }
            }
        }
    }
    return programs
}