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https://github.com/antebudimir/tempus.git
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Reimplemented a basic track download functionality
This commit is contained in:
CappielloAntonio
parent
b7a77cf32b
commit
dee845ebff
17 changed files with 154 additions and 214 deletions
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@ -4,17 +4,12 @@ import static androidx.media3.common.util.Assertions.checkNotNull;
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import android.annotation.SuppressLint;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.net.Uri;
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import android.widget.Toast;
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import androidx.annotation.Nullable;
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import androidx.fragment.app.FragmentManager;
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import androidx.media3.common.MediaItem;
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import androidx.media3.common.util.Log;
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import androidx.media3.common.util.Util;
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import androidx.media3.datasource.HttpDataSource;
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import androidx.media3.exoplayer.RenderersFactory;
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import androidx.media3.exoplayer.offline.Download;
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import androidx.media3.exoplayer.offline.DownloadCursor;
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import androidx.media3.exoplayer.offline.DownloadHelper;
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@ -22,39 +17,31 @@ import androidx.media3.exoplayer.offline.DownloadIndex;
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import androidx.media3.exoplayer.offline.DownloadManager;
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import androidx.media3.exoplayer.offline.DownloadRequest;
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import androidx.media3.exoplayer.offline.DownloadService;
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import androidx.media3.exoplayer.trackselection.DefaultTrackSelector;
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import androidx.media3.exoplayer.trackselection.MappingTrackSelector;
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import java.io.IOException;
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import java.util.HashMap;
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import java.util.List;
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import java.util.concurrent.CopyOnWriteArraySet;
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public class DownloaderTracker {
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private static final String TAG = "DownloadTracker";
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private final Context context;
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private final HttpDataSource.Factory httpDataSourceFactory;
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private final CopyOnWriteArraySet<Listener> listeners;
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private final HashMap<Uri, Download> downloads;
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private final DownloadIndex downloadIndex;
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private final DefaultTrackSelector.Parameters trackSelectorParameters;
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@Nullable
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private StartDownloadDialogHelper startDownloadDialogHelper;
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public interface Listener {
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void onDownloadsChanged();
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}
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@SuppressLint("UnsafeOptInUsageError")
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public DownloaderTracker(Context context, HttpDataSource.Factory httpDataSourceFactory, DownloadManager downloadManager) {
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public DownloaderTracker(Context context, DownloadManager downloadManager) {
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this.context = context.getApplicationContext();
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this.httpDataSourceFactory = httpDataSourceFactory;
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listeners = new CopyOnWriteArraySet<>();
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downloads = new HashMap<>();
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downloadIndex = downloadManager.getDownloadIndex();
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trackSelectorParameters = DownloadHelper.getDefaultTrackSelectorParameters(context);
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downloadManager.addListener(new DownloadManagerListener());
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loadDownloads();
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@ -70,28 +57,48 @@ public class DownloaderTracker {
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listeners.remove(listener);
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}
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@SuppressLint("UnsafeOptInUsageError")
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private DownloadRequest buildDownloadRequest(MediaItem mediaItem) {
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return DownloadHelper.forMediaItem(context, mediaItem).getDownloadRequest(Util.getUtf8Bytes(checkNotNull(mediaItem.mediaId)));
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}
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@SuppressLint("UnsafeOptInUsageError")
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public boolean isDownloaded(MediaItem mediaItem) {
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@Nullable Download download = downloads.get(checkNotNull(mediaItem.localConfiguration).uri);
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return download != null && download.state != Download.STATE_FAILED;
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}
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@Nullable
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public DownloadRequest getDownloadRequest(Uri uri) {
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@Nullable Download download = downloads.get(uri);
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return download != null && download.state != Download.STATE_FAILED ? download.request : null;
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@SuppressLint("UnsafeOptInUsageError")
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public boolean areDownloaded(List<MediaItem> mediaItems) {
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for (MediaItem mediaItem : mediaItems) {
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@Nullable Download download = downloads.get(checkNotNull(mediaItem.localConfiguration).uri);
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if (download != null && download.state != Download.STATE_FAILED) {
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return true;
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}
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}
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return false;
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}
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@SuppressLint("UnsafeOptInUsageError")
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public void toggleDownload(FragmentManager fragmentManager, MediaItem mediaItem, RenderersFactory renderersFactory) {
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@Nullable Download download = downloads.get(checkNotNull(mediaItem.localConfiguration).uri);
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if (download != null && download.state != Download.STATE_FAILED) {
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androidx.media3.exoplayer.offline.DownloadService.sendRemoveDownload(context, DownloaderService.class, download.request.id, false);
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} else {
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if (startDownloadDialogHelper != null) {
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startDownloadDialogHelper.release();
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}
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startDownloadDialogHelper = new StartDownloadDialogHelper(fragmentManager, DownloadHelper.forMediaItem(context, mediaItem, renderersFactory, httpDataSourceFactory), mediaItem);
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public void download(MediaItem mediaItem) {
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DownloadService.sendAddDownload(context, DownloaderService.class, buildDownloadRequest(mediaItem), false);
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}
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public void download(List<MediaItem> mediaItems) {
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for (MediaItem mediaItem : mediaItems) {
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download(mediaItem);
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}
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}
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@SuppressLint("UnsafeOptInUsageError")
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public void remove(MediaItem mediaItem) {
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DownloadService.sendRemoveDownload(context, DownloaderService.class, buildDownloadRequest(mediaItem).id, false);
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}
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public void remove(List<MediaItem> mediaItems) {
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for (MediaItem mediaItem : mediaItems) {
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remove(mediaItem);
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}
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}
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@ -124,109 +131,4 @@ public class DownloaderTracker {
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}
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}
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}
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private final class StartDownloadDialogHelper implements DownloadHelper.Callback, DialogInterface.OnClickListener, DialogInterface.OnDismissListener {
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private final FragmentManager fragmentManager;
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private final DownloadHelper downloadHelper;
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private final MediaItem mediaItem;
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private TrackSelectionDialog trackSelectionDialog;
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private MappingTrackSelector.MappedTrackInfo mappedTrackInfo;
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@SuppressLint("UnsafeOptInUsageError")
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public StartDownloadDialogHelper(FragmentManager fragmentManager, DownloadHelper downloadHelper, MediaItem mediaItem) {
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this.fragmentManager = fragmentManager;
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this.downloadHelper = downloadHelper;
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this.mediaItem = mediaItem;
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downloadHelper.prepare(this);
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}
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@SuppressLint("UnsafeOptInUsageError")
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public void release() {
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downloadHelper.release();
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if (trackSelectionDialog != null) {
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trackSelectionDialog.dismiss();
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}
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}
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@SuppressLint("UnsafeOptInUsageError")
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@Override
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public void onPrepared(DownloadHelper helper) {
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onDownloadPrepared(helper);
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}
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@SuppressLint("UnsafeOptInUsageError")
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@Override
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public void onPrepareError(DownloadHelper helper, IOException e) {
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Toast.makeText(context, R.string.download_start_error, Toast.LENGTH_LONG).show();
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Log.e(TAG, e.getMessage());
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}
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// DialogInterface.OnClickListener implementation.
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@SuppressLint("UnsafeOptInUsageError")
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@Override
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public void onClick(DialogInterface dialog, int which) {
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for (int periodIndex = 0; periodIndex < downloadHelper.getPeriodCount(); periodIndex++) {
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downloadHelper.clearTrackSelections(periodIndex);
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for (int i = 0; i < mappedTrackInfo.getRendererCount(); i++) {
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if (!trackSelectionDialog.getIsDisabled(i)) {
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downloadHelper.addTrackSelectionForSingleRenderer(periodIndex, i, trackSelectorParameters, trackSelectionDialog.getOverrides(i));
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}
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}
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}
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DownloadRequest downloadRequest = buildDownloadRequest();
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if (downloadRequest.streamKeys.isEmpty()) {
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return;
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}
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startDownload(downloadRequest);
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}
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@SuppressLint("UnsafeOptInUsageError")
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@Override
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public void onDismiss(DialogInterface dialogInterface) {
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trackSelectionDialog = null;
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downloadHelper.release();
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}
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@SuppressLint("UnsafeOptInUsageError")
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private void onDownloadPrepared(DownloadHelper helper) {
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if (helper.getPeriodCount() == 0) {
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Log.d(TAG, "No periods found. Downloading entire stream.");
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startDownload();
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downloadHelper.release();
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return;
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}
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mappedTrackInfo = downloadHelper.getMappedTrackInfo(0);
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if (!TrackSelectionDialog.willHaveContent(mappedTrackInfo)) {
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Log.d(TAG, "No dialog content. Downloading entire stream.");
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startDownload();
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downloadHelper.release();
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return;
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}
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trackSelectionDialog = TrackSelectionDialog.createForMappedTrackInfoAndParameters(R.string.exo_download_description, mappedTrackInfo, trackSelectorParameters, false, true, this, this);
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trackSelectionDialog.show(fragmentManager, null);
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}
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private void startDownload() {
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startDownload(buildDownloadRequest());
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}
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@SuppressLint("UnsafeOptInUsageError")
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private void startDownload(DownloadRequest downloadRequest) {
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DownloadService.sendAddDownload(context, DownloaderService.class, downloadRequest, false);
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}
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@SuppressLint("UnsafeOptInUsageError")
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private DownloadRequest buildDownloadRequest() {
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return downloadHelper.getDownloadRequest(Util.getUtf8Bytes(checkNotNull(mediaItem.mediaMetadata.title.toString()))).copyWithKeySetId(keySetId);
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}
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}
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}
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