// Internal methods private void InitializePlayer() { if (player == null) { Intent intent = Intent; string action = intent.Action; android.Net.Uri[] uris; string[] extensions; if (ACTION_VIEW.Equals(action)) { uris = new android.Net.Uri[] { intent.Data }; extensions = new string[] { intent.GetStringExtra(EXTENSION_EXTRA) }; } else if (ACTION_VIEW_LIST.Equals(action)) { string[] uristrings = intent.GetStringArrayExtra(URI_LIST_EXTRA); uris = new android.Net.Uri[uristrings.Length]; for (int i = 0; i < uristrings.Length; i++) { uris[i] = android.Net.Uri.Parse(uristrings[i]); } extensions = intent.GetStringArrayExtra(EXTENSION_LIST_EXTRA); if (extensions == null) { extensions = new string[uristrings.Length]; } } else { ShowToast(GetString(Resource.String.unexpected_intent_action, action)); Finish(); return; } if (Utils.MaybeRequestReadExternalStoragePermission(this, uris)) { // The player will be reinitialized if the permission is granted. return; } DefaultDrmSessionManager drmSessionManager = null; if (intent.HasExtra(DRM_SCHEME_EXTRA) || intent.HasExtra(DRM_SCHEME_UUID_EXTRA)) { string drmLicenseUrl = intent.GetStringExtra(DRM_LICENSE_URL_EXTRA); string[] keyRequestPropertiesArray = intent.GetStringArrayExtra(DRM_KEY_REQUEST_PROPERTIES_EXTRA); bool multiSession = intent.GetBooleanExtra(DRM_MULTI_SESSION_EXTRA, false); int errorstringId = Resource.String.error_drm_unknown; if (Utils.SdkInt < 18) { errorstringId = Resource.String.error_drm_not_supported; } else { try { string drmSchemeExtra = intent.HasExtra(DRM_SCHEME_EXTRA) ? DRM_SCHEME_EXTRA : DRM_SCHEME_UUID_EXTRA; UUID drmSchemeUuid = Utils.GetDrmUuid(intent.GetStringExtra(drmSchemeExtra)); if (drmSchemeUuid == null) { errorstringId = Resource.String.error_drm_unsupported_scheme; } else { drmSessionManager = BuildDrmSessionManagerV18( drmSchemeUuid, drmLicenseUrl, keyRequestPropertiesArray, multiSession); } } catch (UnsupportedDrmException e) { errorstringId = e.Reason == UnsupportedDrmException.ReasonUnsupportedScheme ? Resource.String.error_drm_unsupported_scheme : Resource.String.error_drm_unknown; } } if (drmSessionManager == null) { ShowToast(errorstringId); Finish(); return; } } ITrackSelectionFactory trackSelectionFactory; string abrAlgorithm = intent.GetStringExtra(ABR_ALGORITHM_EXTRA); if (abrAlgorithm == null || ABR_ALGORITHM_DEFAULT.Equals(abrAlgorithm)) { trackSelectionFactory = new AdaptiveTrackSelection.Factory(BANDWIDTH_METER); } else if (ABR_ALGORITHM_RANDOM.Equals(abrAlgorithm)) { trackSelectionFactory = new RandomTrackSelection.Factory(); } else { ShowToast(Resource.String.error_unrecognized_abr_algorithm); Finish(); return; } bool preferExtensionDecoders = intent.GetBooleanExtra(PREFER_EXTENSION_DECODERS_EXTRA, false); int extensionRendererMode = ((DemoApplication)Application).UseExtensionRenderers() ? (preferExtensionDecoders ? DefaultRenderersFactory.ExtensionRendererModePrefer : DefaultRenderersFactory.ExtensionRendererModeOn) : DefaultRenderersFactory.ExtensionRendererModeOff; DefaultRenderersFactory renderersFactory = new DefaultRenderersFactory(this, extensionRendererMode); trackSelector = new DefaultTrackSelector(trackSelectionFactory); trackSelector.SetParameters(trackSelectorParameters); lastSeenTrackGroupArray = null; player = ExoPlayerFactory.NewSimpleInstance(renderersFactory, trackSelector, drmSessionManager); eventLogger = new EventLogger(trackSelector); player.AddListener(new PlayerEventListener(this)); player.PlayWhenReady = startAutoPlay; player.AddListener(eventLogger); // Cannot implement the AnalyticsListener because the binding doesn't work. //Todo: implement IAnalyticsListener //player.AddAnalyticsListener(eventLogger); player.AddAudioDebugListener(eventLogger); player.AddVideoDebugListener(eventLogger); player.AddMetadataOutput(eventLogger); //end Todo playerView.Player = player; playerView.SetPlaybackPreparer(this); debugViewHelper = new DebugTextViewHelper(player, debugTextView); debugViewHelper.Start(); IMediaSource[] mediaSources = new IMediaSource[uris.Length]; for (int i = 0; i < uris.Length; i++) { mediaSources[i] = BuildMediaSource(uris[i], extensions[i]); } mediaSource = mediaSources.Length == 1 ? mediaSources[0] : new ConcatenatingMediaSource(mediaSources); string adTagUristring = intent.GetStringExtra(AD_TAG_URI_EXTRA); if (adTagUristring != null) { android.Net.Uri adTagUri = android.Net.Uri.Parse(adTagUristring); if (!adTagUri.Equals(loadedAdTagUri)) { ReleaseAdsLoader(); loadedAdTagUri = adTagUri; } IMediaSource adsMediaSource = CreateAdsMediaSource(mediaSource, android.Net.Uri.Parse(adTagUristring)); if (adsMediaSource != null) { mediaSource = adsMediaSource; } else { ShowToast(Resource.String.ima_not_loaded); } } else { ReleaseAdsLoader(); } } bool haveStartPosition = startWindow != C.IndexUnset; if (haveStartPosition) { player.SeekTo(startWindow, startPosition); } player.Prepare(mediaSource, !haveStartPosition, false); UpdateButtonVisibilities(); }