Simplify & clean up offline support in demo app

------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=193938140
2025-05-11 01:31:40 +08:00 · 2018-04-23 09:45:44 -07:00 · 2018-04-23 09:45:44 -07:00 · adc77fd0b1
commit adc77fd0b1
parent e0af050163
95 changed files with 602 additions and 310 deletions
--- a/demos/main/src/main/java/com/google/android/exoplayer2/demo/DemoApplication.java
+++ b/demos/main/src/main/java/com/google/android/exoplayer2/demo/DemoApplication.java
@ -35,9 +35,13 @@ import java.io.File;
 */
 public class DemoApplication extends Application {

-  private static final String DOWNLOAD_CACHE_FOLDER = "downloads";
+  public static final boolean USE_EXTENSION_RENDERERS = "withExtensions".equals(BuildConfig.FLAVOR);
+
+  private static final String DOWNLOAD_ACTION_FILE = "actions";
+  private static final String DOWNLOAD_CONTENT_DIRECTORY = "downloads";

  protected String userAgent;
+  private File downloadDirectory;
  private Cache downloadCache;

  @Override
@ -60,20 +64,27 @@ public class DemoApplication extends Application {
  }

  /** Returns the download {@link Cache}. */
-  public Cache getDownloadCache() {
+  public synchronized Cache getDownloadCache() {
    if (downloadCache == null) {
-      File dir = getExternalFilesDir(null);
-      if (dir == null) {
-        dir = getFilesDir();
-      }
-      File downloadCacheFolder = new File(dir, DOWNLOAD_CACHE_FOLDER);
-      downloadCache = new SimpleCache(downloadCacheFolder, new NoOpCacheEvictor());
+      File downloadContentDirectory = new File(getDownloadDirectory(), DOWNLOAD_CONTENT_DIRECTORY);
+      downloadCache = new SimpleCache(downloadContentDirectory, new NoOpCacheEvictor());
    }
    return downloadCache;
  }

-  public boolean useExtensionRenderers() {
-    return "withExtensions".equals(BuildConfig.FLAVOR);
+  /** Returns the file in which active download actions should be saved. */
+  public synchronized File getDownloadActionFile() {
+    return new File(getDownloadDirectory(), DOWNLOAD_ACTION_FILE);
+  }
+
+  private File getDownloadDirectory() {
+    if (downloadDirectory == null) {
+      downloadDirectory = getExternalFilesDir(null);
+      if (downloadDirectory == null) {
+        downloadDirectory = getFilesDir();
+      }
+    }
+    return downloadDirectory;
  }

  private static CacheDataSourceFactory createReadOnlyCacheDataSource(
--- a/demos/main/src/main/java/com/google/android/exoplayer2/demo/DemoDownloadService.java
+++ b/demos/main/src/main/java/com/google/android/exoplayer2/demo/DemoDownloadService.java
@ -30,15 +30,12 @@ import com.google.android.exoplayer2.source.smoothstreaming.offline.SsDownloadAc
 import com.google.android.exoplayer2.ui.DownloadNotificationUtil;
 import com.google.android.exoplayer2.ui.NotificationUtil;
 import com.google.android.exoplayer2.util.ErrorMessageProvider;
-import java.io.File;

 /** Demo DownloadService implementation. */
 public class DemoDownloadService extends DownloadService {

-  private static final String CHANNEL_ID = "my_channel_01";
-
+  private static final String CHANNEL_ID = "download_channel";
  private static final int JOB_ID = 1;
-
  private static final int FOREGROUND_NOTIFICATION_ID = 1;

  private static DownloadManager downloadManager;
@ -52,7 +49,7 @@ public class DemoDownloadService extends DownloadService {
    NotificationUtil.createNotificationChannel(
        this,
        CHANNEL_ID,
-        R.string.download_notifications_channel_name,
+        R.string.exo_download_notification_channel_name,
        NotificationUtil.IMPORTANCE_LOW);
    super.onCreate();
  }
@ -64,13 +61,12 @@ public class DemoDownloadService extends DownloadService {
      DownloaderConstructorHelper constructorHelper =
          new DownloaderConstructorHelper(
              application.getDownloadCache(), application.buildHttpDataSourceFactory(null));
-      String actionFilePath = new File(getExternalCacheDir(), "actionFile").getAbsolutePath();
      downloadManager =
          new DownloadManager(
              constructorHelper,
              /*maxSimultaneousDownloads=*/ 2,
              DownloadManager.DEFAULT_MIN_RETRY_COUNT,
-              actionFilePath,
+              application.getDownloadActionFile(),
              DashDownloadAction.DESERIALIZER,
              HlsDownloadAction.DESERIALIZER,
              SsDownloadAction.DESERIALIZER,
--- a/demos/main/src/main/java/com/google/android/exoplayer2/demo/DownloaderActivity.java
+++ b/demos/main/src/main/java/com/google/android/exoplayer2/demo/DownloaderActivity.java
@ -15,23 +15,18 @@
 */
 package com.google.android.exoplayer2.demo;

-import static com.google.android.exoplayer2.demo.PlayerActivity.DRM_SCHEME_EXTRA;
 import static com.google.android.exoplayer2.demo.PlayerActivity.EXTENSION_EXTRA;

 import android.app.Activity;
-import android.app.AlertDialog;
-import android.content.DialogInterface;
 import android.content.Intent;
 import android.net.Uri;
 import android.os.AsyncTask;
 import android.os.Bundle;
 import android.os.Parcelable;
-import android.util.Log;
 import android.util.SparseBooleanArray;
 import android.view.View;
 import android.widget.ArrayAdapter;
 import android.widget.ListView;
-import android.widget.TextView;
 import android.widget.Toast;
 import com.google.android.exoplayer2.C;
 import com.google.android.exoplayer2.Format;
@ -59,11 +54,10 @@ import java.util.List;
 public class DownloaderActivity extends Activity {

  public static final String PLAYER_INTENT = "player_intent";
-  public static final String SAMPLE_NAME = "stream_name";
-
-  private static final String TAG = "DownloaderActivity";
+  public static final String SAMPLE_NAME = "sample_name";

  private Intent playerIntent;
+  private String sampleName;

  @SuppressWarnings("rawtypes")
  private AsyncTask manifestDownloaderTask;
@ -72,8 +66,6 @@ public class DownloaderActivity extends Activity {

  private ListView representationList;
  private ArrayAdapter<RepresentationItem> arrayAdapter;
-  private AlertDialog cancelDialog;
-  private String sampleName;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
@ -82,21 +74,15 @@ public class DownloaderActivity extends Activity {

    Intent intent = getIntent();
    playerIntent = intent.getParcelableExtra(PLAYER_INTENT);
-
-    TextView streamName = findViewById(R.id.sample_name);
+    Uri sampleUri = playerIntent.getData();
    sampleName = intent.getStringExtra(SAMPLE_NAME);
-    streamName.setText(sampleName);
+    getActionBar().setTitle(sampleName);

    arrayAdapter = new ArrayAdapter<>(this, android.R.layout.simple_list_item_multiple_choice);
    representationList = findViewById(R.id.representation_list);
    representationList.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE);
    representationList.setAdapter(arrayAdapter);

-    if (playerIntent.hasExtra(DRM_SCHEME_EXTRA)) {
-      showToastAndFinish(R.string.not_supported_content_type);
-    }
-
-    Uri sampleUri = playerIntent.getData();
    DemoApplication application = (DemoApplication) getApplication();
    DownloaderConstructorHelper constructorHelper =
        new DownloaderConstructorHelper(
@ -107,33 +93,35 @@ public class DownloaderActivity extends Activity {
      case C.TYPE_DASH:
        downloadUtilMethods = new DashDownloadUtilMethods(sampleUri, constructorHelper);
        break;
-      case C.TYPE_HLS:
-        downloadUtilMethods = new HlsDownloadUtilMethods(sampleUri, constructorHelper);
-        break;
      case C.TYPE_SS:
        downloadUtilMethods = new SsDownloadUtilMethods(sampleUri, constructorHelper);
        break;
+      case C.TYPE_HLS:
+        downloadUtilMethods = new HlsDownloadUtilMethods(sampleUri, constructorHelper);
+        break;
      case C.TYPE_OTHER:
        downloadUtilMethods = new ProgressiveDownloadUtilMethods(sampleUri, constructorHelper);
        break;
      default:
-        showToastAndFinish(R.string.not_supported_content_type);
-        break;
+        throw new IllegalStateException("Unsupported type: " + type);
    }

    updateRepresentationsList();
  }

  @Override
-  protected void onPause() {
-    stopAll();
-    super.onPause();
+  protected void onStart() {
+    super.onStart();
+    updateRepresentationsList();
  }

  @Override
-  protected void onResume() {
-    super.onResume();
-    updateRepresentationsList();
+  protected void onStop() {
+    if (manifestDownloaderTask != null) {
+      manifestDownloaderTask.cancel(true);
+      manifestDownloaderTask = null;
+    }
+    super.onStop();
  }

  // This method is referenced in the layout file
@ -143,34 +131,35 @@ public class DownloaderActivity extends Activity {
    if (id == R.id.download_button) {
      startDownload();
    } else if (id == R.id.remove_all_button) {
-      removeDownloaded();
-    } else if (id == R.id.refresh) {
+      removeDownload();
+    } else if (id == R.id.refresh_button) {
      updateRepresentationsList();
    } else if (id == R.id.play_button) {
-      playDownloaded();
+      playDownload();
    }
  }

  private void startDownload() {
-    ArrayList<Object> representationKeys = getSelectedRepresentationKeys(true);
-    if (representationKeys == null) {
-      return;
+    ArrayList<Object> representationKeys = getSelectedRepresentationKeys();
+    if (!representationKeys.isEmpty()) {
+      DownloadService.addDownloadAction(
+          this,
+          DemoDownloadService.class,
+          downloadUtilMethods.getDownloadAction(sampleName, representationKeys));
    }
-    DownloadService.addDownloadAction(
-        this,
-        DemoDownloadService.class,
-        downloadUtilMethods.getDownloadAction(sampleName, representationKeys));
  }

-  private void removeDownloaded() {
+  private void removeDownload() {
    DownloadService.addDownloadAction(
        this, DemoDownloadService.class, downloadUtilMethods.getRemoveAction());
-    showToastAndFinish(R.string.removing_all);
+    for (int i = 0; i < representationList.getChildCount(); i++) {
+      representationList.setItemChecked(i, false);
+    }
  }

  @SuppressWarnings("SuspiciousToArrayCall")
-  private void playDownloaded() {
-    ArrayList<Object> selectedRepresentationKeys = getSelectedRepresentationKeys(false);
+  private void playDownload() {
+    ArrayList<Object> selectedRepresentationKeys = getSelectedRepresentationKeys();
    if (selectedRepresentationKeys.isEmpty()) {
      playerIntent.removeExtra(PlayerActivity.MANIFEST_FILTER_EXTRA);
    } else if (selectedRepresentationKeys.get(0) instanceof Parcelable) {
@ -186,37 +175,14 @@ public class DownloaderActivity extends Activity {
    startActivity(playerIntent);
  }

-  private void stopAll() {
-    if (cancelDialog != null) {
-      cancelDialog.dismiss();
-    }
-
+  private void updateRepresentationsList() {
    if (manifestDownloaderTask != null) {
      manifestDownloaderTask.cancel(true);
-      manifestDownloaderTask = null;
    }
-  }
-
-  private void updateRepresentationsList() {
-    if (cancelDialog == null) {
-      cancelDialog =
-          new AlertDialog.Builder(this)
-              .setMessage("Please wait")
-              .setOnCancelListener(
-                  new DialogInterface.OnCancelListener() {
-                    @Override
-                    public void onCancel(DialogInterface dialog) {
-                      stopAll();
-                    }
-                  })
-              .create();
-    }
-    cancelDialog.setTitle("Updating representations");
-    cancelDialog.show();
    manifestDownloaderTask = new ManifestDownloaderTask().execute();
  }

-  private ArrayList<Object> getSelectedRepresentationKeys(boolean unselect) {
+  private ArrayList<Object> getSelectedRepresentationKeys() {
    SparseBooleanArray checked = representationList.getCheckedItemPositions();
    ArrayList<Object> representations = new ArrayList<>(checked.size());
    for (int i = 0; i < checked.size(); i++) {
@ -225,35 +191,26 @@ public class DownloaderActivity extends Activity {
        RepresentationItem item =
            (RepresentationItem) representationList.getItemAtPosition(position);
        representations.add(item.key);
-        if (unselect) {
-          representationList.setItemChecked(position, false);
-        }
      }
    }
    return representations;
  }

-  private void showToastAndFinish(int resId) {
-    showToast(resId);
-    finish();
-  }
-
-  private void showToast(int resId) {
-    Toast.makeText(getApplicationContext(), resId, Toast.LENGTH_LONG).show();
-  }
-
  private static final class RepresentationItem {
+
    public final Object key;
    public final String title;
+    public final int percentDownloaded;

-    public RepresentationItem(Object key, String title) {
+    public RepresentationItem(Object key, String title, float percentDownloaded) {
      this.key = key;
      this.title = title;
+      this.percentDownloaded = (int) percentDownloaded;
    }

    @Override
    public String toString() {
-      return title;
+      return title + " (" + percentDownloaded + "%)";
    }
  }

@ -262,27 +219,25 @@ public class DownloaderActivity extends Activity {

    @Override
    protected List<RepresentationItem> doInBackground(Void... ignore) {
-      List<RepresentationItem> items;
      try {
-        items = downloadUtilMethods.getRepresentationItems();
+        return downloadUtilMethods.getRepresentationItems();
      } catch (IOException | InterruptedException e) {
-        Log.e(TAG, "Getting representations failed", e);
        return null;
      }
-      return items;
    }

    @Override
    protected void onPostExecute(List<RepresentationItem> items) {
      if (items == null) {
-        showToastAndFinish(R.string.manifest_download_error);
+        Toast.makeText(
+                getApplicationContext(), R.string.download_manifest_load_error, Toast.LENGTH_LONG)
+            .show();
        return;
      }
      arrayAdapter.clear();
      for (RepresentationItem representationItem : items) {
        arrayAdapter.add(representationItem);
      }
-      stopAll();
    }
  }

@ -332,13 +287,7 @@ public class DownloaderActivity extends Activity {
                .representations
                .get(key.representationIndex);
        String trackName = DemoUtil.buildTrackName(representation.format);
-        int totalSegments = downloader.getTotalSegments();
-        int downloadedRatio = 0;
-        if (totalSegments != 0) {
-          downloadedRatio = (downloader.getDownloadedSegments() * 100) / totalSegments;
-        }
-        String name = key.toString() + ' ' + trackName + ' ' + downloadedRatio + '%';
-        items.add(new RepresentationItem(key, name));
+        items.add(new RepresentationItem(key, trackName, downloader.getDownloadPercentage()));
      }
      return items;
    }
@ -346,13 +295,9 @@ public class DownloaderActivity extends Activity {
    @Override
    public DownloadAction getDownloadAction(
        String sampleName, ArrayList<Object> representationKeys) {
-      StringBuilder sb = new StringBuilder(sampleName);
      RepresentationKey[] keys =
          representationKeys.toArray(new RepresentationKey[representationKeys.size()]);
-      for (RepresentationKey representationKey : keys) {
-        sb.append('-').append(representationKey);
-      }
-      return new DashDownloadAction(manifestUri, false, sb.toString(), keys);
+      return new DashDownloadAction(manifestUri, false, sampleName, keys);
    }

    @Override
@ -379,13 +324,7 @@ public class DownloaderActivity extends Activity {
        } catch (IOException e) {
          continue;
        }
-        int totalSegments = downloader.getTotalSegments();
-        int downloadedRatio = 0;
-        if (totalSegments != 0) {
-          downloadedRatio = (downloader.getDownloadedSegments() * 100) / totalSegments;
-        }
-        String name = key + ' ' /*+ trackName + ' '*/ + downloadedRatio + '%';
-        items.add(new RepresentationItem(key, name));
+        items.add(new RepresentationItem(key, key, downloader.getDownloadPercentage()));
      }
      return items;
    }
@ -393,12 +332,8 @@ public class DownloaderActivity extends Activity {
    @Override
    public DownloadAction getDownloadAction(
        String sampleName, ArrayList<Object> representationKeys) {
-      StringBuilder sb = new StringBuilder(sampleName);
      String[] keys = representationKeys.toArray(new String[representationKeys.size()]);
-      for (String key : keys) {
-        sb.append('-').append(key);
-      }
-      return new HlsDownloadAction(manifestUri, false, sb.toString(), keys);
+      return new HlsDownloadAction(manifestUri, false, sampleName, keys);
    }

    @Override
@ -428,13 +363,7 @@ public class DownloaderActivity extends Activity {
        Format format =
            downloader.getManifest().streamElements[key.streamElementIndex].formats[key.trackIndex];
        String trackName = DemoUtil.buildTrackName(format);
-        int totalSegments = downloader.getTotalSegments();
-        int downloadedRatio = 0;
-        if (totalSegments != 0) {
-          downloadedRatio = (downloader.getDownloadedSegments() * 100) / totalSegments;
-        }
-        String name = key.toString() + ' ' + trackName + ' ' + downloadedRatio + '%';
-        items.add(new RepresentationItem(key, name));
+        items.add(new RepresentationItem(key, trackName, downloader.getDownloadPercentage()));
      }
      return items;
    }
@ -442,12 +371,8 @@ public class DownloaderActivity extends Activity {
    @Override
    public DownloadAction getDownloadAction(
        String sampleName, ArrayList<Object> representationKeys) {
-      StringBuilder sb = new StringBuilder(sampleName);
      TrackKey[] keys = representationKeys.toArray(new TrackKey[representationKeys.size()]);
-      for (TrackKey trackKey : keys) {
-        sb.append('-').append(trackKey);
-      }
-      return new SsDownloadAction(manifestUri, false, sb.toString(), keys);
+      return new SsDownloadAction(manifestUri, false, sampleName, keys);
    }

    @Override
@ -470,9 +395,7 @@ public class DownloaderActivity extends Activity {
      ArrayList<RepresentationItem> items = new ArrayList<>();
      {
        downloader.init();
-        int downloadedRatio = (int) downloader.getDownloadPercentage();
-        String name = "track 1 - " + downloadedRatio + '%';
-        items.add(new RepresentationItem(null, name));
+        items.add(new RepresentationItem(null, "Stream", downloader.getDownloadPercentage()));
      }
      return items;
    }
--- a/demos/main/src/main/java/com/google/android/exoplayer2/demo/PlayerActivity.java
+++ b/demos/main/src/main/java/com/google/android/exoplayer2/demo/PlayerActivity.java
@ -381,7 +381,7 @@ public class PlayerActivity extends Activity
      boolean preferExtensionDecoders =
          intent.getBooleanExtra(PREFER_EXTENSION_DECODERS_EXTRA, false);
      @DefaultRenderersFactory.ExtensionRendererMode int extensionRendererMode =
-          ((DemoApplication) getApplication()).useExtensionRenderers()
+          DemoApplication.USE_EXTENSION_RENDERERS
              ? (preferExtensionDecoders ? DefaultRenderersFactory.EXTENSION_RENDERER_MODE_PREFER
              : DefaultRenderersFactory.EXTENSION_RENDERER_MODE_ON)
              : DefaultRenderersFactory.EXTENSION_RENDERER_MODE_OFF;
@ -635,13 +635,13 @@ public class PlayerActivity extends Activity
        int label;
        switch (player.getRendererType(i)) {
          case C.TRACK_TYPE_AUDIO:
-            label = R.string.audio;
+            label = R.string.exo_track_selection_title_audio;
            break;
          case C.TRACK_TYPE_VIDEO:
-            label = R.string.video;
+            label = R.string.exo_track_selection_title_video;
            break;
          case C.TRACK_TYPE_TEXT:
-            label = R.string.text;
+            label = R.string.exo_track_selection_title_text;
            break;
          default:
            continue;
--- a/demos/main/src/main/java/com/google/android/exoplayer2/demo/SampleChooserActivity.java
+++ b/demos/main/src/main/java/com/google/android/exoplayer2/demo/SampleChooserActivity.java
@ -123,7 +123,7 @@ public class SampleChooserActivity extends Activity {
    if (!(sample instanceof UriSample) || sample.drmInfo != null) {
      Toast.makeText(
              getApplicationContext(),
-              R.string.supports_downloading_only_single_not_drm_protected,
+              R.string.download_only_single_period_non_drm_protected,
              Toast.LENGTH_SHORT)
          .show();
      return;
--- a/demos/main/src/main/java/com/google/android/exoplayer2/demo/TrackSelectionHelper.java
+++ b/demos/main/src/main/java/com/google/android/exoplayer2/demo/TrackSelectionHelper.java
@ -109,7 +109,7 @@ import java.util.Arrays;
    disableView = (CheckedTextView) inflater.inflate(
        android.R.layout.simple_list_item_single_choice, root, false);
    disableView.setBackgroundResource(selectableItemBackgroundResourceId);
-    disableView.setText(R.string.selection_disabled);
+    disableView.setText(R.string.exo_track_selection_none);
    disableView.setFocusable(true);
    disableView.setOnClickListener(this);
    root.addView(disableView);
@ -118,7 +118,7 @@ import java.util.Arrays;
    defaultView = (CheckedTextView) inflater.inflate(
        android.R.layout.simple_list_item_single_choice, root, false);
    defaultView.setBackgroundResource(selectableItemBackgroundResourceId);
-    defaultView.setText(R.string.selection_default);
+    defaultView.setText(R.string.exo_track_selection_auto);
    defaultView.setFocusable(true);
    defaultView.setOnClickListener(this);
    root.addView(inflater.inflate(R.layout.list_divider, root, false));
--- a/demos/main/src/main/res/layout/downloader_activity.xml
+++ b/demos/main/src/main/res/layout/downloader_activity.xml
@ -14,71 +14,45 @@
  ~ See the License for the specific language governing permissions and
  ~ limitations under the License.
  -->
-<LinearLayout
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools"
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/activity_downloader"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
-    android:orientation="vertical"
-    tools:context="com.google.android.exoplayer2.demo.DownloaderActivity">
+    android:orientation="vertical">

  <LinearLayout
      android:layout_width="match_parent"
      android:layout_height="wrap_content"
      android:orientation="horizontal">

-    <TextView
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:text="@string/sample"/>
-
-    <TextView
-        android:id="@+id/sample_name"
-        android:layout_width="0dp"
-        android:layout_height="wrap_content"
-        android:layout_weight="1"
-        android:paddingLeft="5dp"
-        tools:text="Sample Name"/>
-  </LinearLayout>
-
-  <LinearLayout
-      android:layout_width="match_parent"
-      android:layout_height="wrap_content"
-      android:orientation="horizontal">
-
-    <Button
-        android:id="@+id/download_button"
+    <Button android:id="@+id/download_button"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:onClick="onClick"
-        android:text="@string/download"/>
+        android:text="@string/exo_download_description"/>

-    <Button
-        android:id="@+id/remove_all_button"
+    <Button android:id="@+id/remove_all_button"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:onClick="onClick"
-        android:text="@string/remove_all"/>
+        android:text="@string/download_remove_all"/>

-    <Button
-        android:id="@+id/refresh"
+    <Button android:id="@+id/refresh_button"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:onClick="onClick"
-        android:text="@string/refresh"/>
+        android:text="@string/download_refresh"/>

-    <Button
-        android:id="@+id/play_button"
+    <Button android:id="@+id/play_button"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:onClick="onClick"
-        android:text="@string/play"/>
+        android:text="@string/exo_controls_play_description"/>

  </LinearLayout>

-  <ListView
-      android:id="@+id/representation_list"
+  <ListView android:id="@+id/representation_list"
      android:layout_width="match_parent"
      android:layout_height="match_parent"/>
+
 </LinearLayout>
--- a/demos/main/src/main/res/layout/sample_list_item.xml
+++ b/demos/main/src/main/res/layout/sample_list_item.xml
@ -36,7 +36,7 @@
      android:id="@+id/download_button"
      android:layout_width="35dip"
      android:layout_height="wrap_content"
-      android:contentDescription="Download the sample"
+      android:contentDescription="@string/exo_download_description"
      android:gravity="center_vertical"
      android:src="@android:drawable/stat_sys_download"/>

--- a/demos/main/src/main/res/values/strings.xml
+++ b/demos/main/src/main/res/values/strings.xml
@ -17,16 +17,6 @@

  <string name="application_name">ExoPlayer</string>

-  <string name="video">Video</string>
-
-  <string name="audio">Audio</string>
-
-  <string name="text">Text</string>
-
-  <string name="selection_disabled">Disabled</string>
-
-  <string name="selection_default">Default</string>
-
  <string name="unexpected_intent_action">Unexpected intent action: <xliff:g id="action">%1$s</xliff:g></string>

  <string name="error_unrecognized_abr_algorithm">Unrecognized ABR algorithm</string>
@ -55,24 +45,12 @@

  <string name="ima_not_loaded">Playing sample without ads, as the IMA extension was not loaded</string>

-  <string name="download_notifications_channel_name">Downloads</string>
+  <string name="download_manifest_load_error">Failed to download manifest</string>

-  <string name="sample">Sample:</string>
+  <string name="download_remove_all">Remove all</string>

-  <string name="manifest_download_error">Manifest failed to download</string>
+  <string name="download_refresh">Refresh</string>

-  <string name="download">Download</string>
-
-  <string name="play">Play</string>
-
-  <string name="remove_all">Remove All</string>
-
-  <string name="removing_all">Removing all cached data.</string>
-
-  <string name="refresh">Refresh</string>
-
-  <string name="not_supported_content_type">Not supported content type.</string>
-
-  <string name="supports_downloading_only_single_not_drm_protected">Currently only downloading of single, not DRM protected content is demonstrated in this app.</string>
+  <string name="download_only_single_period_non_drm_protected">Currently only downloading of single period non-DRM protected content is demonstrated in this app.</string>

 </resources>
--- a/library/core/src/main/java/com/google/android/exoplayer2/offline/DownloadManager.java
+++ b/library/core/src/main/java/com/google/android/exoplayer2/offline/DownloadManager.java
@ -98,18 +98,18 @@ public final class DownloadManager {
   *
   * @param constructorHelper A {@link DownloaderConstructorHelper} to create {@link Downloader}s
   *     for downloading data.
-   * @param actionSaveFile File to save active actions.
+   * @param actionFile The file in which active actions are saved.
   * @param deserializers Used to deserialize {@link DownloadAction}s.
   */
  public DownloadManager(
      DownloaderConstructorHelper constructorHelper,
-      String actionSaveFile,
+      File actionFile,
      Deserializer... deserializers) {
    this(
        constructorHelper,
        DEFAULT_MAX_SIMULTANEOUS_DOWNLOADS,
        DEFAULT_MIN_RETRY_COUNT,
-        actionSaveFile,
+        actionFile,
        deserializers);
  }

@ -120,14 +120,14 @@ public final class DownloadManager {
   *     for downloading data.
   * @param maxSimultaneousDownloads The maximum number of simultaneous downloads.
   * @param minRetryCount The minimum number of times the downloads must be retried before failing.
-   * @param actionSaveFile File to save active actions.
+   * @param actionFile The file in which active actions are saved.
   * @param deserializers Used to deserialize {@link DownloadAction}s.
   */
  public DownloadManager(
      DownloaderConstructorHelper constructorHelper,
      int maxSimultaneousDownloads,
      int minRetryCount,
-      String actionSaveFile,
+      File actionFile,
      Deserializer... deserializers) {
    Assertions.checkArgument(
        deserializers.length > 0, "At least one Deserializer should be given.");
@ -135,7 +135,7 @@ public final class DownloadManager {
    this.downloaderConstructorHelper = constructorHelper;
    this.maxActiveDownloadTasks = maxSimultaneousDownloads;
    this.minRetryCount = minRetryCount;
-    this.actionFile = new ActionFile(new File(actionSaveFile));
+    this.actionFile = new ActionFile(actionFile);
    this.deserializers = deserializers;
    this.downloadsStopped = true;

--- a/library/core/src/test/java/com/google/android/exoplayer2/offline/DownloadManagerTest.java
+++ b/library/core/src/test/java/com/google/android/exoplayer2/offline/DownloadManagerTest.java
@ -430,7 +430,7 @@ public class DownloadManagerTest {
                          Mockito.mock(Cache.class), DummyDataSource.FACTORY),
                      maxActiveDownloadTasks,
                      MIN_RETRY_COUNT,
-                      actionFile.getAbsolutePath(),
+                      actionFile,
                      ProgressiveDownloadAction.DESERIALIZER);
              downloadManager.addListener(testDownloadListener);
              downloadManager.startDownloads();
--- a/library/dash/src/test/java/com/google/android/exoplayer2/source/dash/offline/DownloadManagerDashTest.java
+++ b/library/dash/src/test/java/com/google/android/exoplayer2/source/dash/offline/DownloadManagerDashTest.java
@ -261,9 +261,9 @@ public class DownloadManagerDashTest {
            downloadManager =
                new DownloadManager(
                    new DownloaderConstructorHelper(cache, fakeDataSourceFactory),
-                    1,
-                    3,
-                    actionFile.getAbsolutePath(),
+                    /* maxSimultaneousDownloads= */ 1,
+                    /* minRetryCount= */ 3,
+                    actionFile,
                    DashDownloadAction.DESERIALIZER);

            downloadListener = new TestDownloadListener(downloadManager, dummyMainThread);
--- a/library/dash/src/test/java/com/google/android/exoplayer2/source/dash/offline/DownloadServiceDashTest.java
+++ b/library/dash/src/test/java/com/google/android/exoplayer2/source/dash/offline/DownloadServiceDashTest.java
@ -123,7 +123,7 @@ public class DownloadServiceDashTest {
                      new DownloaderConstructorHelper(cache, fakeDataSourceFactory),
                      1,
                      3,
-                      actionFile.getAbsolutePath(),
+                      actionFile,
                      DashDownloadAction.DESERIALIZER);
              testDownloadListener = new TestDownloadListener(dashDownloadManager, dummyMainThread);
              dashDownloadManager.addListener(testDownloadListener);
--- a/library/ui/src/main/java/com/google/android/exoplayer2/ui/DownloadNotificationUtil.java
+++ b/library/ui/src/main/java/com/google/android/exoplayer2/ui/DownloadNotificationUtil.java
@ -63,7 +63,7 @@ public final class DownloadNotificationUtil {
      isAnyDownloadActive = true;
    }

-    int titleStringId = isAnyDownloadActive ? R.string.exo_downloading : NULL_STRING_ID;
+    int titleStringId = isAnyDownloadActive ? R.string.exo_download_downloading : NULL_STRING_ID;
    NotificationCompat.Builder notificationBuilder =
        createNotificationBuilder(context, smallIcon, channelId, message, titleStringId);

--- a/library/ui/src/main/res/values-af/strings.xml
+++ b/library/ui/src/main/res/values-af/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">Herhaal alles</string>
  <string name="exo_controls_shuffle_description">Skommel</string>
  <string name="exo_controls_fullscreen_description">Volskermmodus</string>
-  <string name="exo_downloading">Laai tans af</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">Aflaai is voltooi</string>
  <string name="exo_download_failed">Kon nie aflaai nie</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-am/strings.xml
+++ b/library/ui/src/main/res/values-am/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">ሁሉንም ድገም</string>
  <string name="exo_controls_shuffle_description">በውዝ</string>
  <string name="exo_controls_fullscreen_description">የሙሉ ማያ ሁነታ</string>
-  <string name="exo_downloading">በማውረድ ላይ</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">ማውረድ ተጠናቋል</string>
  <string name="exo_download_failed">ማውረድ አልተሳካም</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-ar/strings.xml
+++ b/library/ui/src/main/res/values-ar/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">تكرار الكل</string>
  <string name="exo_controls_shuffle_description">ترتيب عشوائي</string>
  <string name="exo_controls_fullscreen_description">وضع ملء الشاشة</string>
-  <string name="exo_downloading">تحميل</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">اكتمل التنزيل</string>
  <string name="exo_download_failed">تعذّر التنزيل</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-az/strings.xml
+++ b/library/ui/src/main/res/values-az/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">Hamısı təkrarlansın</string>
  <string name="exo_controls_shuffle_description">Qarışdırın</string>
  <string name="exo_controls_fullscreen_description">Tam ekran rejimi</string>
-  <string name="exo_downloading">Endirilir</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">Endirmə tamamlandı</string>
  <string name="exo_download_failed">Endirmə alınmadı</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-b+sr+Latn/strings.xml
+++ b/library/ui/src/main/res/values-b+sr+Latn/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">Ponovi sve</string>
  <string name="exo_controls_shuffle_description">Pusti nasumično</string>
  <string name="exo_controls_fullscreen_description">Režim celog ekrana</string>
-  <string name="exo_downloading">Preuzimanje</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">Preuzimanje je završeno</string>
  <string name="exo_download_failed">Preuzimanje nije uspelo</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-be/strings.xml
+++ b/library/ui/src/main/res/values-be/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">Паўтарыць усе</string>
  <string name="exo_controls_shuffle_description">Перамяшаць</string>
  <string name="exo_controls_fullscreen_description">Поўнаэкранны рэжым</string>
-  <string name="exo_downloading">Спампоўка</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">Спампоўка завершана</string>
  <string name="exo_download_failed">Збой спампоўкі</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-bg/strings.xml
+++ b/library/ui/src/main/res/values-bg/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">Повтаряне на всички</string>
  <string name="exo_controls_shuffle_description">Разбъркване</string>
  <string name="exo_controls_fullscreen_description">Режим на цял екран</string>
-  <string name="exo_downloading">Изтегля се</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">Изтеглянето завърши</string>
  <string name="exo_download_failed">Изтеглянето не бе успешно</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">Нищо</string>
  <string name="exo_track_selection_auto">Автоматично</string>
 </resources>
--- a/library/ui/src/main/res/values-bn/strings.xml
+++ b/library/ui/src/main/res/values-bn/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">সবগুলি আইটেম আবার চালান</string>
  <string name="exo_controls_shuffle_description">শাফেল করুন</string>
  <string name="exo_controls_fullscreen_description">পূর্ণ স্ক্রিন মোড</string>
-  <string name="exo_downloading">ডাউনলোড হচ্ছে</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">ডাউনলোড হয়ে গেছে</string>
  <string name="exo_download_failed">ডাউনলোড করা যায়নি</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-bs/strings.xml
+++ b/library/ui/src/main/res/values-bs/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">Ponovi sve</string>
  <string name="exo_controls_shuffle_description">Izmiješaj</string>
  <string name="exo_controls_fullscreen_description">Način rada preko cijelog ekrana</string>
-  <string name="exo_downloading">Preuzimanje</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">Preuzimanje je završeno</string>
  <string name="exo_download_failed">Preuzimanje nije uspjelo</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-ca/strings.xml
+++ b/library/ui/src/main/res/values-ca/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">Repeteix tot</string>
  <string name="exo_controls_shuffle_description">Reprodueix aleatòriament</string>
  <string name="exo_controls_fullscreen_description">Mode de pantalla completa</string>
-  <string name="exo_downloading">S\'està baixant</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">S\'ha completat la baixada</string>
  <string name="exo_download_failed">No s\'ha pogut baixar</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-cs/strings.xml
+++ b/library/ui/src/main/res/values-cs/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">Opakovat vše</string>
  <string name="exo_controls_shuffle_description">Náhodně</string>
  <string name="exo_controls_fullscreen_description">Režim celé obrazovky</string>
-  <string name="exo_downloading">Stahování</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">Stahování bylo dokončeno</string>
  <string name="exo_download_failed">Stažení se nezdařilo</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-da/strings.xml
+++ b/library/ui/src/main/res/values-da/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">Gentag alle</string>
  <string name="exo_controls_shuffle_description">Bland</string>
  <string name="exo_controls_fullscreen_description">Fuld skærm</string>
-  <string name="exo_downloading">Download</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">Downloaden er udført</string>
  <string name="exo_download_failed">Download mislykkedes</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-de/strings.xml
+++ b/library/ui/src/main/res/values-de/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">Alle wiederholen</string>
  <string name="exo_controls_shuffle_description">Zufallsmix</string>
  <string name="exo_controls_fullscreen_description">Vollbildmodus</string>
-  <string name="exo_downloading">Wird heruntergeladen</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">Download abgeschlossen</string>
  <string name="exo_download_failed">Download fehlgeschlagen</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-el/strings.xml
+++ b/library/ui/src/main/res/values-el/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">Επανάληψη όλων</string>
  <string name="exo_controls_shuffle_description">Τυχαία αναπαραγωγή</string>
  <string name="exo_controls_fullscreen_description">Λειτουργία πλήρους οθόνης</string>
-  <string name="exo_downloading">Λήψη</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">Η λήψη ολοκληρώθηκε</string>
  <string name="exo_download_failed">Η λήψη απέτυχε</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-en-rAU/strings.xml
+++ b/library/ui/src/main/res/values-en-rAU/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">Repeat all</string>
  <string name="exo_controls_shuffle_description">Shuffle</string>
  <string name="exo_controls_fullscreen_description">Full-screen mode</string>
-  <string name="exo_downloading">Downloading</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">Download completed</string>
  <string name="exo_download_failed">Download failed</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-en-rGB/strings.xml
+++ b/library/ui/src/main/res/values-en-rGB/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">Repeat all</string>
  <string name="exo_controls_shuffle_description">Shuffle</string>
  <string name="exo_controls_fullscreen_description">Full-screen mode</string>
-  <string name="exo_downloading">Downloading</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">Download completed</string>
  <string name="exo_download_failed">Download failed</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-en-rIN/strings.xml
+++ b/library/ui/src/main/res/values-en-rIN/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">Repeat all</string>
  <string name="exo_controls_shuffle_description">Shuffle</string>
  <string name="exo_controls_fullscreen_description">Full-screen mode</string>
-  <string name="exo_downloading">Downloading</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">Download completed</string>
  <string name="exo_download_failed">Download failed</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-es-rUS/strings.xml
+++ b/library/ui/src/main/res/values-es-rUS/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">Repetir todo</string>
  <string name="exo_controls_shuffle_description">Reproducir aleatoriamente</string>
  <string name="exo_controls_fullscreen_description">Modo de pantalla completa</string>
-  <string name="exo_downloading">Descargando</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">Se completó la descarga</string>
  <string name="exo_download_failed">No se pudo descargar</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-es/strings.xml
+++ b/library/ui/src/main/res/values-es/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">Repetir todo</string>
  <string name="exo_controls_shuffle_description">Reproducir aleatoriamente</string>
  <string name="exo_controls_fullscreen_description">Modo de pantalla completa</string>
-  <string name="exo_downloading">Descarga de archivos</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">Descarga de archivos completado</string>
  <string name="exo_download_failed">No se ha podido descargar</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-et/strings.xml
+++ b/library/ui/src/main/res/values-et/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">Korda kõiki</string>
  <string name="exo_controls_shuffle_description">Esita juhuslikus järjekorras</string>
  <string name="exo_controls_fullscreen_description">Täisekraani režiim</string>
-  <string name="exo_downloading">Allalaadimine</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">Allalaadimine lõpetati</string>
  <string name="exo_download_failed">Allalaadimine ebaõnnestus</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-eu/strings.xml
+++ b/library/ui/src/main/res/values-eu/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">Errepikatu guztiak</string>
  <string name="exo_controls_shuffle_description">Erreproduzitu ausaz</string>
  <string name="exo_controls_fullscreen_description">Pantaila osoko modua</string>
-  <string name="exo_downloading">Deskargatzen</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">Osatu da deskarga</string>
  <string name="exo_download_failed">Ezin izan da deskargatu</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-fa/strings.xml
+++ b/library/ui/src/main/res/values-fa/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">تکرار همه</string>
  <string name="exo_controls_shuffle_description">درهم</string>
  <string name="exo_controls_fullscreen_description">حالت تمام‌صفحه</string>
-  <string name="exo_downloading">درحال بارگیری</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">بارگیری کامل شد</string>
  <string name="exo_download_failed">بارگیری نشد</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-fi/strings.xml
+++ b/library/ui/src/main/res/values-fi/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">Toista kaikki uudelleen</string>
  <string name="exo_controls_shuffle_description">Satunnaistoisto</string>
  <string name="exo_controls_fullscreen_description">Koko näytön tila</string>
-  <string name="exo_downloading">Ladataan</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">Lataus valmis</string>
  <string name="exo_download_failed">Lataus epäonnistui</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-fr-rCA/strings.xml
+++ b/library/ui/src/main/res/values-fr-rCA/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">Tout lire en boucle</string>
  <string name="exo_controls_shuffle_description">Lecture aléatoire</string>
  <string name="exo_controls_fullscreen_description">Mode Plein écran</string>
-  <string name="exo_downloading">Téléchargement en cours…</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">Téléchargement terminé</string>
  <string name="exo_download_failed">Échec du téléchargement</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-fr/strings.xml
+++ b/library/ui/src/main/res/values-fr/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">Tout lire en boucle</string>
  <string name="exo_controls_shuffle_description">Aléatoire</string>
  <string name="exo_controls_fullscreen_description">Mode plein écran</string>
-  <string name="exo_downloading">Téléchargement…</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">Téléchargement terminé</string>
  <string name="exo_download_failed">Échec du téléchargement</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-gl/strings.xml
+++ b/library/ui/src/main/res/values-gl/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">Repetir todas as pistas</string>
  <string name="exo_controls_shuffle_description">Reprodución aleatoria</string>
  <string name="exo_controls_fullscreen_description">Modo de pantalla completa</string>
-  <string name="exo_downloading">Descargando</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">Completouse a descarga</string>
  <string name="exo_download_failed">Produciuse un erro na descarga</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-gu/strings.xml
+++ b/library/ui/src/main/res/values-gu/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">બધાને રિપીટ કરો</string>
  <string name="exo_controls_shuffle_description">શફલ કરો</string>
  <string name="exo_controls_fullscreen_description">પૂર્ણસ્ક્રીન મોડ</string>
-  <string name="exo_downloading">ડાઉનલોડ કરી રહ્યાં છીએ</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">ડાઉનલોડ પૂર્ણ થયું</string>
  <string name="exo_download_failed">ડાઉનલોડ નિષ્ફળ થયું</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-hi/strings.xml
+++ b/library/ui/src/main/res/values-hi/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">सभी को दोहराएं</string>
  <string name="exo_controls_shuffle_description">शफ़ल करें</string>
  <string name="exo_controls_fullscreen_description">फ़ुलस्क्रीन मोड</string>
-  <string name="exo_downloading">डाउनलोड हो रहा है</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">डाउनलोड पूरा हुआ</string>
  <string name="exo_download_failed">डाउनलोड नहीं हो सका</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-hr/strings.xml
+++ b/library/ui/src/main/res/values-hr/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">Ponovi sve</string>
  <string name="exo_controls_shuffle_description">Reproduciraj nasumično</string>
  <string name="exo_controls_fullscreen_description">Prikaz na cijelom zaslonu</string>
-  <string name="exo_downloading">Preuzimanje datoteka</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">Preuzimanje je dovršeno</string>
  <string name="exo_download_failed">Preuzimanje nije uspjelo</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-hu/strings.xml
+++ b/library/ui/src/main/res/values-hu/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">Összes szám ismétlése</string>
  <string name="exo_controls_shuffle_description">Keverés</string>
  <string name="exo_controls_fullscreen_description">Teljes képernyős mód</string>
-  <string name="exo_downloading">Letöltés folyamatban</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">A letöltés befejeződött</string>
  <string name="exo_download_failed">Nem sikerült a letöltés</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-hy/strings.xml
+++ b/library/ui/src/main/res/values-hy/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">Կրկնել բոլորը</string>
  <string name="exo_controls_shuffle_description">Խառնել</string>
  <string name="exo_controls_fullscreen_description">Լիաէկրան ռեժիմ</string>
-  <string name="exo_downloading">Ներբեռնում</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">Ներբեռնումն ավարտվեց</string>
  <string name="exo_download_failed">Չհաջողվեց ներբեռնել</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-in/strings.xml
+++ b/library/ui/src/main/res/values-in/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">Ulangi semua</string>
  <string name="exo_controls_shuffle_description">Acak</string>
  <string name="exo_controls_fullscreen_description">Mode layar penuh</string>
-  <string name="exo_downloading">Mendownload</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">Download selesai</string>
  <string name="exo_download_failed">Download gagal</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">Tidak ada</string>
  <string name="exo_track_selection_auto">Otomatis</string>
 </resources>
--- a/library/ui/src/main/res/values-is/strings.xml
+++ b/library/ui/src/main/res/values-is/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">Endurtaka allt</string>
  <string name="exo_controls_shuffle_description">Stokka</string>
  <string name="exo_controls_fullscreen_description">Allur skjárinn</string>
-  <string name="exo_downloading">Sækir</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">Niðurhali lokið</string>
  <string name="exo_download_failed">Niðurhal mistókst</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-it/strings.xml
+++ b/library/ui/src/main/res/values-it/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">Ripeti tutto</string>
  <string name="exo_controls_shuffle_description">Riproduzione casuale</string>
  <string name="exo_controls_fullscreen_description">Modalità a schermo intero</string>
-  <string name="exo_downloading">Download</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">Download completato</string>
  <string name="exo_download_failed">Download non riuscito</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-iw/strings.xml
+++ b/library/ui/src/main/res/values-iw/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">חזור על הכול</string>
  <string name="exo_controls_shuffle_description">ערבוב</string>
  <string name="exo_controls_fullscreen_description">מצב מסך מלא</string>
-  <string name="exo_downloading">מתבצעת הורדה</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">ההורדה הושלמה</string>
  <string name="exo_download_failed">ההורדה לא הושלמה</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-ja/strings.xml
+++ b/library/ui/src/main/res/values-ja/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">全曲をリピート</string>
  <string name="exo_controls_shuffle_description">シャッフル</string>
  <string name="exo_controls_fullscreen_description">全画面モード</string>
-  <string name="exo_downloading">ダウンロードしています</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">ダウンロードが完了しました</string>
  <string name="exo_download_failed">ダウンロードに失敗しました</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-ka/strings.xml
+++ b/library/ui/src/main/res/values-ka/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">ყველას გამეორება</string>
  <string name="exo_controls_shuffle_description">არეულად დაკვრა</string>
  <string name="exo_controls_fullscreen_description">სრულეკრანიანი რეჟიმი</string>
-  <string name="exo_downloading">მიმდინარეობს ჩამოტვირთვა</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">ჩამოტვირთვა დასრულდა</string>
  <string name="exo_download_failed">ჩამოტვირთვა ვერ მოხერხდა</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-kk/strings.xml
+++ b/library/ui/src/main/res/values-kk/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">Барлығын қайталау</string>
  <string name="exo_controls_shuffle_description">Араластыру</string>
  <string name="exo_controls_fullscreen_description">Толық экран режимі</string>
-  <string name="exo_downloading">Жүктеп алынуда</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">Жүктеп алынды</string>
  <string name="exo_download_failed">Жүктеп алынбады</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-km/strings.xml
+++ b/library/ui/src/main/res/values-km/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">លេងឡើងវិញទាំងអស់</string>
  <string name="exo_controls_shuffle_description">ច្របល់</string>
  <string name="exo_controls_fullscreen_description">មុខងារពេញអេក្រង់</string>
-  <string name="exo_downloading">កំពុងទាញយក</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">បានបញ្ចប់ការទាញយក</string>
  <string name="exo_download_failed">មិនអាចទាញយកបានទេ</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-kn/strings.xml
+++ b/library/ui/src/main/res/values-kn/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">ಎಲ್ಲವನ್ನು ಪುನರಾವರ್ತಿಸಿ</string>
  <string name="exo_controls_shuffle_description">ಶಫಲ್‌</string>
  <string name="exo_controls_fullscreen_description">ಪೂರ್ಣ ಪರದೆ ಮೋಡ್</string>
-  <string name="exo_downloading">ಡೌನ್‌ಲೋಡ್ ಮಾಡಲಾಗುತ್ತಿದೆ</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">ಡೌನ್‌ಲೋಡ್ ಪೂರ್ಣಗೊಂಡಿದೆ</string>
  <string name="exo_download_failed">ಡೌನ್‌ಲೋಡ್‌ ವಿಫಲಗೊಂಡಿದೆ</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-ko/strings.xml
+++ b/library/ui/src/main/res/values-ko/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">모두 반복</string>
  <string name="exo_controls_shuffle_description">셔플</string>
  <string name="exo_controls_fullscreen_description">전체화면 모드</string>
-  <string name="exo_downloading">다운로드하는 중</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">다운로드 완료</string>
  <string name="exo_download_failed">다운로드 실패</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-ky/strings.xml
+++ b/library/ui/src/main/res/values-ky/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">Баарын кайталоо</string>
  <string name="exo_controls_shuffle_description">Аралаштыруу</string>
  <string name="exo_controls_fullscreen_description">Толук экран режими</string>
-  <string name="exo_downloading">Жүктөлүп алынууда</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">Жүктөп алуу аяктады</string>
  <string name="exo_download_failed">Жүктөлүп алынбай калды</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-lo/strings.xml
+++ b/library/ui/src/main/res/values-lo/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">ຫຼິ້ນຊ້ຳທັງໝົດ</string>
  <string name="exo_controls_shuffle_description">ຫຼີ້ນແບບສຸ່ມ</string>
  <string name="exo_controls_fullscreen_description">ໂໝດເຕັມຈໍ</string>
-  <string name="exo_downloading">ກຳລັງດາວໂຫລດ</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">ດາວໂຫລດສຳເລັດແລ້ວ</string>
  <string name="exo_download_failed">ດາວໂຫຼດບໍ່ສຳເລັດ</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-lt/strings.xml
+++ b/library/ui/src/main/res/values-lt/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">Kartoti viską</string>
  <string name="exo_controls_shuffle_description">Maišyti</string>
  <string name="exo_controls_fullscreen_description">Viso ekrano režimas</string>
-  <string name="exo_downloading">Atsisiunčiama</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">Atsisiuntimo procesas baigtas</string>
  <string name="exo_download_failed">Nepavyko atsisiųsti</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-lv/strings.xml
+++ b/library/ui/src/main/res/values-lv/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">Atkārtot visu</string>
  <string name="exo_controls_shuffle_description">Atskaņot jauktā secībā</string>
  <string name="exo_controls_fullscreen_description">Pilnekrāna režīms</string>
-  <string name="exo_downloading">Notiek lejupielāde</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">Lejupielāde ir pabeigta</string>
  <string name="exo_download_failed">Lejupielāde neizdevās</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-mk/strings.xml
+++ b/library/ui/src/main/res/values-mk/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">Повтори ги сите</string>
  <string name="exo_controls_shuffle_description">Измешај</string>
  <string name="exo_controls_fullscreen_description">Режим на цел екран</string>
-  <string name="exo_downloading">Се презема</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">Преземањето заврши</string>
  <string name="exo_download_failed">Неуспешно преземање</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-ml/strings.xml
+++ b/library/ui/src/main/res/values-ml/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">എല്ലാം ആവർത്തിക്കുക</string>
  <string name="exo_controls_shuffle_description">ഇടകലര്‍ത്തുക</string>
  <string name="exo_controls_fullscreen_description">പൂർണ്ണ സ്‌ക്രീൻ മോഡ്</string>
-  <string name="exo_downloading">ഡൗൺലോഡ് ചെയ്യുന്നു</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">ഡൗൺലോഡ് പൂർത്തിയായി</string>
  <string name="exo_download_failed">ഡൗൺലോഡ് പരാജയപ്പെട്ടു</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-mn/strings.xml
+++ b/library/ui/src/main/res/values-mn/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">Бүгдийг нь дахин тоглуулах</string>
  <string name="exo_controls_shuffle_description">Холих</string>
  <string name="exo_controls_fullscreen_description">Бүтэн дэлгэцийн горим</string>
-  <string name="exo_downloading">Татаж байна</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">Татаж дууссан</string>
  <string name="exo_download_failed">Татаж чадсангүй</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-mr/strings.xml
+++ b/library/ui/src/main/res/values-mr/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">सर्व रीपीट करा</string>
  <string name="exo_controls_shuffle_description">शफल करा</string>
  <string name="exo_controls_fullscreen_description">पूर्ण स्क्रीन मोड</string>
-  <string name="exo_downloading">डाउनलोड होत आहे</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">डाउनलोड पूर्ण झाले</string>
  <string name="exo_download_failed">डाउनलोड अयशस्वी झाले</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-ms/strings.xml
+++ b/library/ui/src/main/res/values-ms/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">Ulang semua</string>
  <string name="exo_controls_shuffle_description">Rombak</string>
  <string name="exo_controls_fullscreen_description">Mod skrin penuh</string>
-  <string name="exo_downloading">Memuat turun</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">Muat turun selesai</string>
  <string name="exo_download_failed">Muat turun gagal</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-my/strings.xml
+++ b/library/ui/src/main/res/values-my/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">အားလုံး ပြန်ကျော့ရန်</string>
  <string name="exo_controls_shuffle_description">ရောသမမွှေ</string>
  <string name="exo_controls_fullscreen_description">မျက်နှာပြင်အပြည့် မုဒ်</string>
-  <string name="exo_downloading">ဒေါင်းလုဒ်လုပ်နေသည်</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">ဒေါင်းလုဒ်လုပ်ပြီးပါပြီ</string>
  <string name="exo_download_failed">ဒေါင်းလုဒ်လုပ်၍ မရပါ</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">မရှိ</string>
  <string name="exo_track_selection_auto">အလိုအလျောက်</string>
 </resources>
--- a/library/ui/src/main/res/values-nb/strings.xml
+++ b/library/ui/src/main/res/values-nb/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">Gjenta alle</string>
  <string name="exo_controls_shuffle_description">Tilfeldig rekkefølge</string>
  <string name="exo_controls_fullscreen_description">Fullskjermmodus</string>
-  <string name="exo_downloading">Laster ned</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">Nedlastingen er fullført</string>
  <string name="exo_download_failed">Nedlastingen mislyktes</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-ne/strings.xml
+++ b/library/ui/src/main/res/values-ne/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">सबै दोहोर्‍याउनुहोस्</string>
  <string name="exo_controls_shuffle_description">मिसाउनुहोस्</string>
  <string name="exo_controls_fullscreen_description">पूर्ण स्क्रिन मोड</string>
-  <string name="exo_downloading">डाउनलोड गरिँदै छ</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">डाउनलोड सम्पन्न भयो</string>
  <string name="exo_download_failed">डाउनलोड गर्न सकिएन</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-nl/strings.xml
+++ b/library/ui/src/main/res/values-nl/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">Alles herhalen</string>
  <string name="exo_controls_shuffle_description">Shuffle</string>
  <string name="exo_controls_fullscreen_description">Modus \'Volledig scherm\'</string>
-  <string name="exo_downloading">Downloaden</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">Downloaden voltooid</string>
  <string name="exo_download_failed">Downloaden mislukt</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-pa/strings.xml
+++ b/library/ui/src/main/res/values-pa/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">ਸਾਰਿਆਂ ਨੂੰ ਦੁਹਰਾਓ</string>
  <string name="exo_controls_shuffle_description">ਬੇਤਰਤੀਬ ਕਰੋ</string>
  <string name="exo_controls_fullscreen_description">ਪੂਰੀ-ਸਕ੍ਰੀਨ ਮੋਡ</string>
-  <string name="exo_downloading">ਡਾਊਨਲੋਡ ਕੀਤਾ ਜਾ ਰਿਹਾ ਹੈ</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">ਡਾਊਨਲੋਡ ਮੁਕੰਮਲ ਹੋਇਆ</string>
  <string name="exo_download_failed">ਡਾਊਨਲੋਡ ਅਸਫਲ ਰਿਹਾ</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-pl/strings.xml
+++ b/library/ui/src/main/res/values-pl/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">Powtórz wszystkie</string>
  <string name="exo_controls_shuffle_description">Odtwarzanie losowe</string>
  <string name="exo_controls_fullscreen_description">Tryb pełnoekranowy</string>
-  <string name="exo_downloading">Pobieranie</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">Zakończono pobieranie</string>
  <string name="exo_download_failed">Nie udało się pobrać</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-pt-rPT/strings.xml
+++ b/library/ui/src/main/res/values-pt-rPT/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">Repetir tudo</string>
  <string name="exo_controls_shuffle_description">Reproduzir aleatoriamente</string>
  <string name="exo_controls_fullscreen_description">Modo de ecrã inteiro</string>
-  <string name="exo_downloading">A transferir…</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">Transferência concluída</string>
  <string name="exo_download_failed">Falha na transferência</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-pt/strings.xml
+++ b/library/ui/src/main/res/values-pt/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">Repetir tudo</string>
  <string name="exo_controls_shuffle_description">Aleatório</string>
  <string name="exo_controls_fullscreen_description">Modo de tela cheia</string>
-  <string name="exo_downloading">Fazendo download</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">Download concluído</string>
  <string name="exo_download_failed">Falha no download</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-ro/strings.xml
+++ b/library/ui/src/main/res/values-ro/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">Repetați-le pe toate</string>
  <string name="exo_controls_shuffle_description">Redați aleatoriu</string>
  <string name="exo_controls_fullscreen_description">Modul Ecran complet</string>
-  <string name="exo_downloading">Se descarcă</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">Descărcarea a fost finalizată</string>
  <string name="exo_download_failed">Descărcarea nu a reușit</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">Fără</string>
  <string name="exo_track_selection_auto">Automat</string>
 </resources>
--- a/library/ui/src/main/res/values-ru/strings.xml
+++ b/library/ui/src/main/res/values-ru/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">Повторять все</string>
  <string name="exo_controls_shuffle_description">Перемешать</string>
  <string name="exo_controls_fullscreen_description">Полноэкранный режим</string>
-  <string name="exo_downloading">Загрузка файлов</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">Скачивание завершено</string>
  <string name="exo_download_failed">Ошибка скачивания</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-si/strings.xml
+++ b/library/ui/src/main/res/values-si/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">සියල්ල පුනරාවර්තනය කරන්න</string>
  <string name="exo_controls_shuffle_description">කලවම් කරන්න</string>
  <string name="exo_controls_fullscreen_description">සම්පූර්ණ තිර ප්‍රකාරය</string>
-  <string name="exo_downloading">බාගනිමින්</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">බාගැනීම සම්පූර්ණ කරන ලදී</string>
  <string name="exo_download_failed">බාගැනීම අසමත් විය</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">කිසිවක් නැත</string>
  <string name="exo_track_selection_auto">ස්වයං</string>
 </resources>
--- a/library/ui/src/main/res/values-sk/strings.xml
+++ b/library/ui/src/main/res/values-sk/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">Opakovať všetko</string>
  <string name="exo_controls_shuffle_description">Náhodne prehrávať</string>
  <string name="exo_controls_fullscreen_description">Režim celej obrazovky</string>
-  <string name="exo_downloading">Sťahuje sa</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">Sťahovanie bolo dokončené</string>
  <string name="exo_download_failed">Nepodarilo sa stiahnuť</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-sl/strings.xml
+++ b/library/ui/src/main/res/values-sl/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">Ponavljanje vseh</string>
  <string name="exo_controls_shuffle_description">Naključno predvajanje</string>
  <string name="exo_controls_fullscreen_description">Celozaslonski način</string>
-  <string name="exo_downloading">Prenašanje</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">Prenos je končan</string>
  <string name="exo_download_failed">Prenos ni uspel</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-sq/strings.xml
+++ b/library/ui/src/main/res/values-sq/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">Përsërit të gjitha</string>
  <string name="exo_controls_shuffle_description">Përziej</string>
  <string name="exo_controls_fullscreen_description">Modaliteti me ekran të plotë</string>
-  <string name="exo_downloading">Po shkarkohet</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">Shkarkimi përfundoi</string>
  <string name="exo_download_failed">Shkarkimi dështoi</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-sr/strings.xml
+++ b/library/ui/src/main/res/values-sr/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">Понови све</string>
  <string name="exo_controls_shuffle_description">Пусти насумично</string>
  <string name="exo_controls_fullscreen_description">Режим целог екрана</string>
-  <string name="exo_downloading">Преузимање</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">Преузимање је завршено</string>
  <string name="exo_download_failed">Преузимање није успело</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-sv/strings.xml
+++ b/library/ui/src/main/res/values-sv/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">Upprepa alla</string>
  <string name="exo_controls_shuffle_description">Blanda spår</string>
  <string name="exo_controls_fullscreen_description">Helskärmsläge</string>
-  <string name="exo_downloading">Laddar ned</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">Nedladdningen är klar</string>
  <string name="exo_download_failed">Nedladdningen misslyckades</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-sw/strings.xml
+++ b/library/ui/src/main/res/values-sw/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">Rudia zote</string>
  <string name="exo_controls_shuffle_description">Changanya</string>
  <string name="exo_controls_fullscreen_description">Hali ya skrini nzima</string>
-  <string name="exo_downloading">Inapakua</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">Imepakuliwa</string>
  <string name="exo_download_failed">Imeshindwa kupakua</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-ta/strings.xml
+++ b/library/ui/src/main/res/values-ta/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">அனைத்தையும் மீண்டும் இயக்கு</string>
  <string name="exo_controls_shuffle_description">கலைத்துப் போடு</string>
  <string name="exo_controls_fullscreen_description">முழுத்திரைப் பயன்முறை</string>
-  <string name="exo_downloading">பதிவிறக்கப்படுகிறது</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">பதிவிறக்கப்பட்டது</string>
  <string name="exo_download_failed">பதிவிறக்க முடியவில்லை</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-te/strings.xml
+++ b/library/ui/src/main/res/values-te/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">అన్నింటినీ పునరావృతం చేయండి</string>
  <string name="exo_controls_shuffle_description">షఫుల్ చేయండి</string>
  <string name="exo_controls_fullscreen_description">పూర్తి స్క్రీన్ మోడ్</string>
-  <string name="exo_downloading">డౌన్‌లోడ్ చేస్తోంది</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">డౌన్‌లోడ్ పూర్తయింది</string>
  <string name="exo_download_failed">డౌన్‌లోడ్ విఫలమైంది</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-th/strings.xml
+++ b/library/ui/src/main/res/values-th/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">เล่นซ้ำทั้งหมด</string>
  <string name="exo_controls_shuffle_description">สุ่ม</string>
  <string name="exo_controls_fullscreen_description">โหมดเต็มหน้าจอ</string>
-  <string name="exo_downloading">กำลังดาวน์โหลด</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">การดาวน์โหลดเสร็จสมบูรณ์</string>
  <string name="exo_download_failed">การดาวน์โหลดล้มเหลว</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-tl/strings.xml
+++ b/library/ui/src/main/res/values-tl/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">Ulitin lahat</string>
  <string name="exo_controls_shuffle_description">I-shuffle</string>
  <string name="exo_controls_fullscreen_description">Fullscreen mode</string>
-  <string name="exo_downloading">Nagda-download</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">Tapos na ang pag-download</string>
  <string name="exo_download_failed">Hindi na-download</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-tr/strings.xml
+++ b/library/ui/src/main/res/values-tr/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">Tümünü tekrarla</string>
  <string name="exo_controls_shuffle_description">Karıştır</string>
  <string name="exo_controls_fullscreen_description">Tam ekran modu</string>
-  <string name="exo_downloading">İndiriliyor</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">İndirme işlemi tamamlandı</string>
  <string name="exo_download_failed">İndirilemedi</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-uk/strings.xml
+++ b/library/ui/src/main/res/values-uk/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">Повторити всі</string>
  <string name="exo_controls_shuffle_description">Перемішати</string>
  <string name="exo_controls_fullscreen_description">Повноекранний режим</string>
-  <string name="exo_downloading">Завантажується</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">Завантаження завершено</string>
  <string name="exo_download_failed">Не вдалося завантажити</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-ur/strings.xml
+++ b/library/ui/src/main/res/values-ur/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">سبھی کو دہرائیں</string>
  <string name="exo_controls_shuffle_description">شفل کریں</string>
  <string name="exo_controls_fullscreen_description">پوری اسکرین والی وضع</string>
-  <string name="exo_downloading">ڈاؤن لوڈ کیا جا رہا ہے</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">ڈاؤن لوڈ مکمل ہو گیا</string>
  <string name="exo_download_failed">ڈاؤن لوڈ ناکام ہو گیا</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-uz/strings.xml
+++ b/library/ui/src/main/res/values-uz/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">Hammasini takrorlash</string>
  <string name="exo_controls_shuffle_description">Aralash</string>
  <string name="exo_controls_fullscreen_description">Butun ekran rejimi</string>
-  <string name="exo_downloading">Yuklab olinmoqda</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">Yuklab olindi</string>
  <string name="exo_download_failed">Yuklab olinmadi</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-vi/strings.xml
+++ b/library/ui/src/main/res/values-vi/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">Lặp lại tất cả</string>
  <string name="exo_controls_shuffle_description">Phát ngẫu nhiên</string>
  <string name="exo_controls_fullscreen_description">Chế độ toàn màn hình</string>
-  <string name="exo_downloading">Đang tải xuống</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">Đã hoàn tất tải xuống</string>
  <string name="exo_download_failed">Không tải xuống được</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-zh-rCN/strings.xml
+++ b/library/ui/src/main/res/values-zh-rCN/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">全部重复播放</string>
  <string name="exo_controls_shuffle_description">随机播放</string>
  <string name="exo_controls_fullscreen_description">全屏模式</string>
-  <string name="exo_downloading">正在下载</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">下载完毕</string>
  <string name="exo_download_failed">下载失败</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-zh-rHK/strings.xml
+++ b/library/ui/src/main/res/values-zh-rHK/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">全部重複播放</string>
  <string name="exo_controls_shuffle_description">隨機播放</string>
  <string name="exo_controls_fullscreen_description">全螢幕模式</string>
-  <string name="exo_downloading">正在下載</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">下載完畢</string>
  <string name="exo_download_failed">下載失敗</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-zh-rTW/strings.xml
+++ b/library/ui/src/main/res/values-zh-rTW/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">重複播放所有項目</string>
  <string name="exo_controls_shuffle_description">隨機播放</string>
  <string name="exo_controls_fullscreen_description">全螢幕模式</string>
-  <string name="exo_downloading">下載中</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">下載完成</string>
  <string name="exo_download_failed">無法下載</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values-zu/strings.xml
+++ b/library/ui/src/main/res/values-zu/strings.xml
@ -12,9 +12,14 @@
  <string name="exo_controls_repeat_all_description">Phinda konke</string>
  <string name="exo_controls_shuffle_description">Shova</string>
  <string name="exo_controls_fullscreen_description">Imodi yesikrini esigcwele</string>
-  <string name="exo_downloading">Iyalanda</string>
+  <string name="exo_download_description">Download</string>
+  <string name="exo_download_notification_channel_name">Downloads</string>
+  <string name="exo_download_downloading">Downloading</string>
  <string name="exo_download_completed">Ukulanda kuqedile</string>
  <string name="exo_download_failed">Ukulanda kuhlulekile</string>
+  <string name="exo_track_selection_title_video">Video</string>
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <string name="exo_track_selection_title_text">Text</string>
  <string name="exo_track_selection_none">None</string>
  <string name="exo_track_selection_auto">Auto</string>
 </resources>
--- a/library/ui/src/main/res/values/strings.xml
+++ b/library/ui/src/main/res/values/strings.xml
@ -38,14 +38,24 @@
  <string name="exo_controls_shuffle_description">Shuffle</string>
  <!-- Description for a media control button that toggles whether a video playback is fullscreen. [CHAR LIMIT=30] -->
  <string name="exo_controls_fullscreen_description">Fullscreen mode</string>
+  <!-- Description for a button that downloads a piece of media content onto the device. [CHAR LIMIT=20] -->
+  <string name="exo_download_description">Download</string>
+  <!-- Default name for a notification channel corresponding to media downloads. [CHAR LIMIT=40] -->
+  <string name="exo_download_notification_channel_name">Downloads</string>
  <!-- Shown in a notification or UI component to indicate a download is currently downloading. [CHAR LIMIT=40] -->
-  <string name="exo_downloading">Downloading</string>
+  <string name="exo_download_downloading">Downloading</string>
  <!-- Shown in a notification or UI component to indicate a download has finished downloading. [CHAR LIMIT=40] -->
  <string name="exo_download_completed">Download completed</string>
  <!-- Shown in a notification or UI component to indicate a download has failed. [CHAR LIMIT=40] -->
  <string name="exo_download_failed">Download failed</string>
+  <!-- The title of a track selection view for video tracks. [CHAR LIMIT=20] -->
+  <string name="exo_track_selection_title_video">Video</string>
+  <!-- The title of a track selection view for audio tracks. [CHAR LIMIT=20] -->
+  <string name="exo_track_selection_title_audio">Audio</string>
+  <!-- The title of a track selection view for text (i.e. subtitle or caption) tracks. [CHAR LIMIT=20] -->
+  <string name="exo_track_selection_title_text">Text</string>
  <!-- An option in a track selection view (e.g. a view that allows the user to choose between multiple media tracks) to indicate that no track should be selected. [CHAR LIMIT=20] -->
  <string name="exo_track_selection_none">None</string>
-  <!-- An option in a track selection view (e.g. a view that allows the user to choose between multiple media tracks) to indicate that the automatic or default track should be selected.[CHAR LIMIT=20] -->
+  <!-- An option in a track selection view (e.g. a view that allows the user to choose between multiple media tracks) to indicate that the automatic or default track should be selected. [CHAR LIMIT=20] -->
  <string name="exo_track_selection_auto">Auto</string>
 </resources>