Android Question Exoplayer and drm clearkey

     playVideo("nrQFDeRLSAKTLifXUIPiZg","FmY0xnWCPCNaSpRG-tUuTQ")
	
	fun playVideo( id: String, value: String){
        try {
            drmSessionManager =
                    Util.getDrmUuid(C.CLEARKEY_UUID.toString())?.let { buildDrmSessionManager(
                            it,
                            true,
                            id,
                            value
                    ) }
        } catch (e: UnsupportedDrmException) {
            e.printStackTrace()
        }
        exoPlayer?.prepare(buildDashMediaSource(Uri.parse("https://media.axprod.net/TestVectors/v7-MultiDRM-SingleKey/Manifest_ClearKey.mpd")))

        exoPlayer?.playWhenReady = true

    }


    @Throws(UnsupportedDrmException::class)
    private fun buildDrmSessionManager(uuid: UUID, multiSession: Boolean, id: String, value: String): DefaultDrmSessionManager {
        val drmCallback = LocalMediaDrmCallback("{\"keys\":[{\"kty\":\"oct\",\"k\":\"${value}\",\"kid\":\"${id}\"}],\"type\":\"temporary\"}".toByteArray())
        val mediaDrm = FrameworkMediaDrm.newInstance(uuid)
        return DefaultDrmSessionManager(uuid, mediaDrm, drmCallback, null, multiSession)
    }