Removes random ABR support in demo app

- Removed random ABR option from popup menu
- Remvoed intent parameter regarding random abr, default to
   AdaptiveTrackSelection. Removed logic for getting track selection
   mode from an intent
- Remvoed string definition regarding random ABR

PiperOrigin-RevId: 322167816

demos/main/src/main/java/com/google/android/exoplayer2/demo/IntentUtil.java

@@ -65,12 +65,6 @@ public class IntentUtil {
   public static final String SPHERICAL_STEREO_MODE_TOP_BOTTOM = "top_bottom";
   public static final String SPHERICAL_STEREO_MODE_LEFT_RIGHT = "left_right";
 
-  // Player configuration extras.
-
-  public static final String ABR_ALGORITHM_EXTRA = "abr_algorithm";
-  public static final String ABR_ALGORITHM_DEFAULT = "default";
-  public static final String ABR_ALGORITHM_RANDOM = "random";
-
   // Media item configuration extras.
 
   public static final String URI_EXTRA = "uri";

demos/main/src/main/java/com/google/android/exoplayer2/demo/PlayerActivity.java

@@ -45,11 +45,8 @@ import com.google.android.exoplayer2.source.BehindLiveWindowException;
 import com.google.android.exoplayer2.source.DefaultMediaSourceFactory;
 import com.google.android.exoplayer2.source.TrackGroupArray;
 import com.google.android.exoplayer2.source.ads.AdsLoader;
-import com.google.android.exoplayer2.trackselection.AdaptiveTrackSelection;
 import com.google.android.exoplayer2.trackselection.DefaultTrackSelector;
 import com.google.android.exoplayer2.trackselection.MappingTrackSelector.MappedTrackInfo;
-import com.google.android.exoplayer2.trackselection.RandomTrackSelection;
-import com.google.android.exoplayer2.trackselection.TrackSelection;
 import com.google.android.exoplayer2.trackselection.TrackSelectionArray;
 import com.google.android.exoplayer2.ui.DebugTextViewHelper;
 import com.google.android.exoplayer2.ui.StyledPlayerControlView;
@@ -300,24 +297,12 @@ public class PlayerActivity extends AppCompatActivity
         return;
       }
 
-      TrackSelection.Factory trackSelectionFactory;
-      String abrAlgorithm = intent.getStringExtra(IntentUtil.ABR_ALGORITHM_EXTRA);
-      if (abrAlgorithm == null || IntentUtil.ABR_ALGORITHM_DEFAULT.equals(abrAlgorithm)) {
-        trackSelectionFactory = new AdaptiveTrackSelection.Factory();
-      } else if (IntentUtil.ABR_ALGORITHM_RANDOM.equals(abrAlgorithm)) {
-        trackSelectionFactory = new RandomTrackSelection.Factory();
-      } else {
-        showToast(R.string.error_unrecognized_abr_algorithm);
-        finish();
-        return;
-      }
-
       boolean preferExtensionDecoders =
           intent.getBooleanExtra(IntentUtil.PREFER_EXTENSION_DECODERS_EXTRA, false);
       RenderersFactory renderersFactory =
           DemoUtil.buildRenderersFactory(/* context= */ this, preferExtensionDecoders);
 
-      trackSelector = new DefaultTrackSelector(/* context= */ this, trackSelectionFactory);
+      trackSelector = new DefaultTrackSelector(/* context= */ this);
       trackSelector.setParameters(trackSelectorParameters);
       lastSeenTrackGroupArray = null;
 

demos/main/src/main/java/com/google/android/exoplayer2/demo/SampleChooserActivity.java

@@ -79,7 +79,6 @@ public class SampleChooserActivity extends AppCompatActivity
   private DownloadTracker downloadTracker;
   private SampleAdapter sampleAdapter;
   private MenuItem preferExtensionDecodersMenuItem;
-  private MenuItem randomAbrMenuItem;
   private ExpandableListView sampleListView;
 
   @Override
@@ -135,7 +134,6 @@ public class SampleChooserActivity extends AppCompatActivity
     inflater.inflate(R.menu.sample_chooser_menu, menu);
     preferExtensionDecodersMenuItem = menu.findItem(R.id.prefer_extension_decoders);
     preferExtensionDecodersMenuItem.setVisible(useExtensionRenderers);
-    randomAbrMenuItem = menu.findItem(R.id.random_abr);
     return true;
   }
 
@@ -229,11 +227,6 @@ public class SampleChooserActivity extends AppCompatActivity
     intent.putExtra(
         IntentUtil.PREFER_EXTENSION_DECODERS_EXTRA,
         isNonNullAndChecked(preferExtensionDecodersMenuItem));
-    String abrAlgorithm =
-        isNonNullAndChecked(randomAbrMenuItem)
-            ? IntentUtil.ABR_ALGORITHM_RANDOM
-            : IntentUtil.ABR_ALGORITHM_DEFAULT;
-    intent.putExtra(IntentUtil.ABR_ALGORITHM_EXTRA, abrAlgorithm);
     IntentUtil.addToIntent(playlistHolder.mediaItems, intent);
     startActivity(intent);
     return true;

demos/main/src/main/res/menu/sample_chooser_menu.xml

@@ -19,8 +19,4 @@
       android:title="@string/prefer_extension_decoders"
       android:checkable="true"
       app:showAsAction="never"/>
-  <item android:id="@+id/random_abr"
-      android:title="@string/random_abr"
-      android:checkable="true"
-      app:showAsAction="never"/>
 </menu>

demos/main/src/main/res/values/strings.xml

@@ -67,6 +67,4 @@
 
   <string name="prefer_extension_decoders">Prefer extension decoders</string>
 
-  <string name="random_abr">Enable random ABR</string>
-
 </resources>