Opt some more bits of the main demo app into the unstable API

PiperOrigin-RevId: 446161354

demos/main/src/main/java/androidx/media3/demo/main/IntentUtil.java

@@ -177,7 +177,7 @@ public class IntentUtil {
         headers.put(keyRequestPropertiesArray[i], keyRequestPropertiesArray[i + 1]);
       }
     }
-    @Nullable UUID drmUuid = Util.getDrmUuid(Util.castNonNull(drmSchemeExtra));
+    @Nullable UUID drmUuid = Util.getDrmUuid(drmSchemeExtra);
     if (drmUuid != null) {
       builder.setDrmConfiguration(
           new MediaItem.DrmConfiguration.Builder(drmUuid)

demos/main/src/main/java/androidx/media3/demo/main/PlayerActivity.java

@@ -38,6 +38,7 @@ import androidx.media3.common.PlaybackException;
 import androidx.media3.common.Player;
 import androidx.media3.common.TrackSelectionParameters;
 import androidx.media3.common.Tracks;
+import androidx.media3.common.util.UnstableApi;
 import androidx.media3.common.util.Util;
 import androidx.media3.datasource.DataSource;
 import androidx.media3.exoplayer.ExoPlayer;
@@ -91,7 +92,12 @@ public class PlayerActivity extends AppCompatActivity
   // For ad playback only.
 
   @Nullable private AdsLoader clientSideAdsLoader;
+
+  // TODO: Annotate this and serverSideAdsLoaderState below with @OptIn when it can be applied to
+  // fields (needs http://r.android.com/2004032 to be released into a version of
+  // androidx.annotation:annotation-experimental).
   @Nullable private ImaServerSideAdInsertionMediaSource.AdsLoader serverSideAdsLoader;
+
   private ImaServerSideAdInsertionMediaSource.AdsLoader.@MonotonicNonNull State
       serverSideAdsLoaderState;
 
@@ -120,12 +126,7 @@ public class PlayerActivity extends AppCompatActivity
       startAutoPlay = savedInstanceState.getBoolean(KEY_AUTO_PLAY);
       startItemIndex = savedInstanceState.getInt(KEY_ITEM_INDEX);
       startPosition = savedInstanceState.getLong(KEY_POSITION);
-      Bundle adsLoaderStateBundle = savedInstanceState.getBundle(KEY_SERVER_SIDE_ADS_LOADER_STATE);
-      if (adsLoaderStateBundle != null) {
-        serverSideAdsLoaderState =
-            ImaServerSideAdInsertionMediaSource.AdsLoader.State.CREATOR.fromBundle(
-                adsLoaderStateBundle);
-      }
+      restoreServerSideAdsLoaderState(savedInstanceState);
     } else {
       trackSelectionParameters = new TrackSelectionParameters.Builder(/* context= */ this).build();
       clearStartPosition();
@@ -217,9 +218,7 @@ public class PlayerActivity extends AppCompatActivity
     outState.putBoolean(KEY_AUTO_PLAY, startAutoPlay);
     outState.putInt(KEY_ITEM_INDEX, startItemIndex);
     outState.putLong(KEY_POSITION, startPosition);
-    if (serverSideAdsLoaderState != null) {
-      outState.putBundle(KEY_SERVER_SIDE_ADS_LOADER_STATE, serverSideAdsLoaderState.toBundle());
-    }
+    saveServerSideAdsLoaderState(outState);
   }
 
   // Activity input
@@ -271,24 +270,20 @@ public class PlayerActivity extends AppCompatActivity
         return false;
       }
 
-      boolean preferExtensionDecoders =
-          intent.getBooleanExtra(IntentUtil.PREFER_EXTENSION_DECODERS_EXTRA, false);
-      RenderersFactory renderersFactory =
-          DemoUtil.buildRenderersFactory(/* context= */ this, preferExtensionDecoders);
-
       lastSeenTracks = Tracks.EMPTY;
-      player =
+      ExoPlayer.Builder playerBuilder =
           new ExoPlayer.Builder(/* context= */ this)
-              .setRenderersFactory(renderersFactory)
-              .setMediaSourceFactory(createMediaSourceFactory())
-              .build();
+              .setMediaSourceFactory(createMediaSourceFactory());
+      setRenderersFactory(
+          playerBuilder, intent.getBooleanExtra(IntentUtil.PREFER_EXTENSION_DECODERS_EXTRA, false));
+      player = playerBuilder.build();
       player.setTrackSelectionParameters(trackSelectionParameters);
       player.addListener(new PlayerEventListener());
       player.addAnalyticsListener(new EventLogger());
       player.setAudioAttributes(AudioAttributes.DEFAULT, /* handleAudioFocus= */ true);
       player.setPlayWhenReady(startAutoPlay);
       playerView.setPlayer(player);
-      serverSideAdsLoader.setPlayer(player);
+      configurePlayerWithServerSideAdsLoader();
       debugViewHelper = new DebugTextViewHelper(player, debugTextView);
       debugViewHelper.start();
     }
@@ -302,6 +297,7 @@ public class PlayerActivity extends AppCompatActivity
     return true;
   }
 
+  @OptIn(markerClass = UnstableApi.class) // SSAI configuration
   private MediaSource.Factory createMediaSourceFactory() {
     DefaultDrmSessionManagerProvider drmSessionManagerProvider =
         new DefaultDrmSessionManagerProvider();
@@ -323,6 +319,19 @@ public class PlayerActivity extends AppCompatActivity
         .setServerSideAdInsertionMediaSourceFactory(imaServerSideAdInsertionMediaSourceFactory);
   }
 
+  @OptIn(markerClass = UnstableApi.class)
+  private void setRenderersFactory(
+      ExoPlayer.Builder playerBuilder, boolean preferExtensionDecoders) {
+    RenderersFactory renderersFactory =
+        DemoUtil.buildRenderersFactory(/* context= */ this, preferExtensionDecoders);
+    playerBuilder.setRenderersFactory(renderersFactory);
+  }
+
+  @OptIn(markerClass = UnstableApi.class)
+  private void configurePlayerWithServerSideAdsLoader() {
+    serverSideAdsLoader.setPlayer(player);
+  }
+
   private List<MediaItem> createMediaItems(Intent intent) {
     String action = intent.getAction();
     boolean actionIsListView = IntentUtil.ACTION_VIEW_LIST.equals(action);
@@ -376,8 +385,7 @@ public class PlayerActivity extends AppCompatActivity
     if (player != null) {
       updateTrackSelectorParameters();
       updateStartPosition();
-      serverSideAdsLoaderState = serverSideAdsLoader.release();
-      serverSideAdsLoader = null;
+      releaseServerSideAdsLoader();
       debugViewHelper.stop();
       debugViewHelper = null;
       player.release();
@@ -392,6 +400,12 @@ public class PlayerActivity extends AppCompatActivity
     }
   }
 
+  @OptIn(markerClass = UnstableApi.class)
+  private void releaseServerSideAdsLoader() {
+    serverSideAdsLoaderState = serverSideAdsLoader.release();
+    serverSideAdsLoader = null;
+  }
+
   private void releaseClientSideAdsLoader() {
     if (clientSideAdsLoader != null) {
       clientSideAdsLoader.release();
@@ -400,6 +414,23 @@ public class PlayerActivity extends AppCompatActivity
     }
   }
 
+  @OptIn(markerClass = UnstableApi.class)
+  private void saveServerSideAdsLoaderState(Bundle outState) {
+    if (serverSideAdsLoaderState != null) {
+      outState.putBundle(KEY_SERVER_SIDE_ADS_LOADER_STATE, serverSideAdsLoaderState.toBundle());
+    }
+  }
+
+  @OptIn(markerClass = UnstableApi.class)
+  private void restoreServerSideAdsLoaderState(Bundle savedInstanceState) {
+    Bundle adsLoaderStateBundle = savedInstanceState.getBundle(KEY_SERVER_SIDE_ADS_LOADER_STATE);
+    if (adsLoaderStateBundle != null) {
+      serverSideAdsLoaderState =
+          ImaServerSideAdInsertionMediaSource.AdsLoader.State.CREATOR.fromBundle(
+              adsLoaderStateBundle);
+    }
+  }
+
   private void updateTrackSelectorParameters() {
     if (player != null) {
       trackSelectionParameters = player.getTrackSelectionParameters();

demos/main/src/main/java/androidx/media3/demo/main/TrackSelectionDialog.java

@@ -25,6 +25,7 @@ import android.view.View;
 import android.view.ViewGroup;
 import android.widget.Button;
 import androidx.annotation.Nullable;
+import androidx.annotation.OptIn;
 import androidx.appcompat.app.AppCompatDialog;
 import androidx.fragment.app.DialogFragment;
 import androidx.fragment.app.Fragment;
@@ -36,6 +37,7 @@ import androidx.media3.common.TrackGroup;
 import androidx.media3.common.TrackSelectionOverride;
 import androidx.media3.common.TrackSelectionParameters;
 import androidx.media3.common.Tracks;
+import androidx.media3.common.util.UnstableApi;
 import androidx.media3.ui.TrackSelectionView;
 import androidx.viewpager.widget.ViewPager;
 import com.google.android.material.tabs.TabLayout;
@@ -47,6 +49,7 @@ import java.util.List;
 import java.util.Map;
 
 /** Dialog to select tracks. */
+@OptIn(markerClass = UnstableApi.class)
 public final class TrackSelectionDialog extends DialogFragment {
 
   /** Called when tracks are selected. */