How to use android exoplayer

后端 未结 5 2015
被撕碎了的回忆
被撕碎了的回忆 2021-01-31 08:28

I am looking to implement Google\'s ExoPlayer in my app. Their documentation seems pretty vague to me, and all I am looking for is to play a video from an URL, no c

5条回答
  •  无人共我
    2021-01-31 08:51

    //Add dependency in manifest file 
        implementation 'com.google.android.exoplayer:exoplayer:2.7.3'
    
    
    // Add exoplayer in your layout(xml) file 
     
    
        
            
        
    
    
    
    
    // open video with below code
    
    // initialise varible 
     PlayerView videoFullScreenPlayer;
        SimpleExoPlayer player;
        ProgressBar spinnerVideoDetails;
    
    
    // find Id 
     videoFullScreenPlayer = findViewById(R.id.videoFullScreenPlayer);
            spinnerVideoDetails = findViewById(R.id.spinnerVideoDetails);
    
    // open video method 
    private void setUp() {
            initializePlayer();
            if (videoUrl == null) {
                return;
            }
            buildMediaSource(Uri.parse(videoUrl ));
        }
        private void initializePlayer() {
            if (player == null) {
    
                BandwidthMeter bandwidthMeter = new DefaultBandwidthMeter();
                TrackSelection.Factory videoTrackSelectionFactory = new AdaptiveTrackSelection.Factory(bandwidthMeter);
                TrackSelector trackSelector = new DefaultTrackSelector(videoTrackSelectionFactory);
                // 1. Create a default TrackSelector
                DefaultLoadControl loadControl = new DefaultLoadControl.Builder().setBufferDurationsMs(32*1024, 64*1024, 1024, 1024).createDefaultLoadControl();
                // 2. Create the player
                player = ExoPlayerFactory.newSimpleInstance(this, trackSelector, loadControl);
                videoFullScreenPlayer.setPlayer(player);
            }
        }
    
        private void buildMediaSource(Uri mUri) {
            // Measures bandwidth during playback. Can be null if not required.
            DefaultBandwidthMeter bandwidthMeter = new DefaultBandwidthMeter();
            // Produces DataSource instances through which media data is loaded.
            DataSource.Factory dataSourceFactory = new DefaultDataSourceFactory(this,
                    Util.getUserAgent(this, getString(R.string.app_name)), bandwidthMeter);
            // This is the MediaSource representing the media to be played.
            MediaSource videoSource = new ExtractorMediaSource.Factory(dataSourceFactory).createMediaSource(mUri);
            // Prepare the player with the source.
            player.prepare(videoSource);
            player.setPlayWhenReady(true);
            player.addListener(this);
        }
    
        private void releasePlayer() {
            if (player != null) {
                player.release();
                player = null;
            }
        }
    
        private void pausePlayer() {
            if (player != null) {
                player.setPlayWhenReady(false);
                player.getPlaybackState();
            }
        }
    
        private void resumePlayer() {
            if (player != null) {
                player.setPlayWhenReady(true);
                player.getPlaybackState();
            }
        }
    
        @Override
        protected void onPause() {
            super.onPause();
            pausePlayer();
           /* if (mRunnable != null) {
                mHandler.removeCallbacks(mRunnable);
            }*/
        }
    
        @Override
        protected void onRestart() {
            super.onRestart();
            resumePlayer();
        }
    
        @Override
        protected void onDestroy() {
            super.onDestroy();
            releasePlayer();
        }
    
        @Override
        public void onTimelineChanged(Timeline timeline, Object manifest, int reason) {
        }
    
        @Override
        public void onTracksChanged(TrackGroupArray trackGroups, TrackSelectionArray trackSelections) {
        }
    
        @Override
        public void onLoadingChanged(boolean isLoading) {
        }
    
        @Override
        public void onPlayerStateChanged(boolean playWhenReady, int playbackState) {
            switch (playbackState) {
                case Player.STATE_BUFFERING:
                    spinnerVideoDetails.setVisibility(View.VISIBLE);
                    break;
                case Player.STATE_ENDED:
                    // Activate the force enable
                    break;
                case Player.STATE_IDLE:
                    break;
                case Player.STATE_READY:
                    spinnerVideoDetails.setVisibility(View.GONE);
                    break;
                default:
                    // status = PlaybackStatus.IDLE;
                    break;
            }
        }
    
        @Override
        public void onRepeatModeChanged(int repeatMode) {
        }
    
        @Override
        public void onShuffleModeEnabledChanged(boolean shuffleModeEnabled) {
        }
    
        @Override
        public void onPlayerError(ExoPlaybackException error) {
        }
    
        @Override
        public void onPositionDiscontinuity(int reason) {
        }
    
        @Override
        public void onPlaybackParametersChanged(PlaybackParameters playbackParameters) {
        }
    
        @Override
        public void onSeekProcessed() {
        }
    

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