// Internal methods
private void initializePlayer()
{
Intent intent = Intent;
bool needNewPlayer = player == null;
if (needNewPlayer)
{
var adaptiveTrackSelectionFactory =
new AdaptiveTrackSelection.Factory(BANDWIDTH_METER);
trackSelector = new DefaultTrackSelector(adaptiveTrackSelectionFactory);
trackSelectionHelper = new TrackSelectionHelper(trackSelector, adaptiveTrackSelectionFactory);
lastSeenTrackGroupArray = null;
eventLogger = new EventLogger(trackSelector);
var drmSchemeUuid = intent.HasExtra(DRM_SCHEME_UUID_EXTRA)
? UUID.FromString(intent.GetStringExtra(DRM_SCHEME_UUID_EXTRA)) : null;
IDrmSessionManager drmSessionManager = null;
if (drmSchemeUuid != null)
{
var drmLicenseUrl = intent.GetStringExtra(DRM_LICENSE_URL);
var keyRequestPropertiesArray = intent.GetStringArrayExtra(DRM_KEY_REQUEST_PROPERTIES);
int errorStringId = Resource.String.error_drm_unknown;
if (Util.Util.SdkInt < 18)
{
errorStringId = Resource.String.error_drm_not_supported;
}
else
{
try
{
drmSessionManager = BuildDrmSessionManagerV18(drmSchemeUuid, drmLicenseUrl,
keyRequestPropertiesArray);
}
catch (UnsupportedDrmException e)
{
errorStringId = e.Reason == UnsupportedDrmException.ReasonUnsupportedScheme
? Resource.String.error_drm_unsupported_scheme : Resource.String.error_drm_unknown;
}
}
if (drmSessionManager == null)
{
ShowToast(errorStringId);
return;
}
}
var preferExtensionDecoders = intent.GetBooleanExtra(PREFER_EXTENSION_DECODERS, false);
var extensionRendererMode =
((DemoApplication)Application).UseExtensionRenderers()
? (preferExtensionDecoders ? DefaultRenderersFactory.ExtensionRendererModePrefer
: DefaultRenderersFactory.ExtensionRendererModeOn)
: DefaultRenderersFactory.ExtensionRendererModeOff;
var renderersFactory = new DefaultRenderersFactory(this,
drmSessionManager, extensionRendererMode);
player = ExoPlayerFactory.NewSimpleInstance(renderersFactory, trackSelector);
player.AddListener(this);
player.AddListener(eventLogger);
player.SetAudioDebugListener(eventLogger);
player.SetVideoDebugListener(eventLogger);
player.SetMetadataOutput(eventLogger);
simpleExoPlayerView.Player = player;
player.PlayWhenReady = shouldAutoPlay;
debugViewHelper = new DebugTextViewHelper(player, debugTextView);
debugViewHelper.Start();
}
var action = intent.Action;
Uri[] uris;
string[] extensions;
if (ACTION_VIEW.Equals(action))
{
uris = new Uri[] { intent.Data };
extensions = new string[] { intent.GetStringExtra(EXTENSION_EXTRA) };
}
else if (ACTION_VIEW_LIST.Equals(action))
{
var uriStrings = intent.GetStringArrayExtra(URI_LIST_EXTRA);
uris = new Uri[uriStrings.Length];
for (int i = 0; i < uriStrings.Length; i++)
{
uris[i] = 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));
return;
}
if (Util.Util.MaybeRequestReadExternalStoragePermission(this, uris))
{
// The player will be reinitialized if the permission is granted.
return;
}
var mediaSources = new IMediaSource[uris.Length];
for (var i = 0; i < uris.Length; i++)
{
mediaSources[i] = BuildMediaSource(uris[i], extensions[i]);
}
var mediaSource = mediaSources.Length == 1 ? mediaSources[0]
: new ConcatenatingMediaSource(mediaSources);
var adTagUriString = intent.GetStringExtra(AD_TAG_URI_EXTRA);
if (adTagUriString != null)
{
Uri adTagUri = Uri.Parse(adTagUriString);
if (!adTagUri.Equals(loadedAdTagUri))
{
ReleaseAdsLoader();
loadedAdTagUri = adTagUri;
}
try
{
mediaSource = CreateAdsMediaSource(mediaSource, Uri.Parse(adTagUriString));
}
catch (System.Exception)
{
ShowToast(Resource.String.ima_not_loaded);
}
}
else
{
ReleaseAdsLoader();
}
bool haveResumePosition = resumeWindow != C.IndexUnset;
if (haveResumePosition)
{
player.SeekTo(resumeWindow, resumePosition);
}
player.Prepare(mediaSource, !haveResumePosition, false);
inErrorState = false;
UpdateButtonVisibilities();
}