Shawn的開發記錄

implementation 'com.google.android.exoplayer:exoplayer:2.11.6'

<com.google.android.exoplayer2.ui.PlayerView
    android:id="@+id/playerView"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    app:layout_constraintBottom_toBottomOf="parent"
    app:layout_constraintEnd_toEndOf="parent"
    app:layout_constraintStart_toStartOf="parent"
    app:layout_constraintTop_toTopOf="parent" />

class MainActivity : AppCompatActivity() {

    private var mPlayer: SimpleExoPlayer? = null
    private var playWhenReady = true
    private var currentWindow = 0
    private var playbackPosition: Long = 0
    private val hlsUrl = "https://bitdash-a.akamaihd.net/content/MI201109210084_1/m3u8s/f08e80da-bf1d-4e3d-8899-f0f6155f6efa.m3u8"


    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

    }

    private fun initPlayer(){
        mPlayer = SimpleExoPlayer.Builder(this).build()
        // Bind the player to the view.
        playerView.player = mPlayer
        mPlayer!!.playWhenReady = true
        mPlayer!!.seekTo(playbackPosition)
        mPlayer!!.prepare(buildMediaSource(), false, false)
    }

    override fun onStart() {
        super.onStart()
        if (Util.SDK_INT >= 24) {
            initPlayer()
        }
    }

    override fun onResume() {
        super.onResume()
        hideSystemUi()
        if (Util.SDK_INT < 24 || mPlayer == null) {
            initPlayer()
        }
    }

    override fun onPause() {
        super.onPause()
        if (Util.SDK_INT < 24) {
            releasePlayer()
        }
    }

    override fun onStop() {
        super.onStop()
        if (Util.SDK_INT >= 24) {
            releasePlayer()
        }
    }

    @SuppressLint("InlinedApi")
    private fun hideSystemUi() {
        playerView.systemUiVisibility = (View.SYSTEM_UI_FLAG_LOW_PROFILE
                or View.SYSTEM_UI_FLAG_FULLSCREEN
                or View.SYSTEM_UI_FLAG_LAYOUT_STABLE
                or View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY
                or View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
                or View.SYSTEM_UI_FLAG_HIDE_NAVIGATION)
    }

    private fun releasePlayer() {
        if (mPlayer == null) {
            return
        }
        playWhenReady = mPlayer!!.playWhenReady
        playbackPosition = mPlayer!!.currentPosition
        currentWindow = mPlayer!!.currentWindowIndex
        mPlayer!!.release()
        mPlayer = null
    }

    private fun buildMediaSource(): MediaSource {
        val userAgent = Util.getUserAgent(playerView.context, playerView.context.getString(R.string.app_name))

        val dataSourceFactory = DefaultHttpDataSourceFactory(userAgent)
        val hlsMediaSource =  HlsMediaSource.Factory(dataSourceFactory).
        createMediaSource(Uri.parse(hlsUrl))

        return  hlsMediaSource

    }

}