Replace single tab with text header

Fixes: 131839088
Test: Manual
Change-Id: If46c38be58e9d0e88d4c44b21839c5eadf8ade32

2 files changed, 15 insertions, 7 deletions

diff --git a/src/com/android/car/media/MediaActivity.java b/src/com/android/car/media/MediaActivity.java
index 93ee016..9fae491 100644
--- a/src/com/android/car/media/MediaActivity.java
+++ b/src/com/android/car/media/MediaActivity.java
@@ -375,7 +375,7 @@ public class MediaActivity extends FragmentActivity implements BrowseFragment.Ca
             if (Log.isLoggable(TAG, Log.INFO)) {
                 Log.i(TAG, "Browsing: " + mediaSource.getName());
             }
-            mAppBarView.setMediaAppName(mediaSource.getName());
+            mAppBarView.setMediaAppTitle(mediaSource.getName());
             mAppBarView.setTitle(null);
             updateTabs(null);
             mSearchFragment.resetSearchState();
@@ -386,7 +386,7 @@ public class MediaActivity extends FragmentActivity implements BrowseFragment.Ca
             // Always go through the trampoline activity to keep all the dispatching logic there.
             startActivity(new Intent(Car.CAR_INTENT_ACTION_MEDIA_TEMPLATE));
         } else {
-            mAppBarView.setMediaAppName("");
+            mAppBarView.setMediaAppTitle(null);
             mAppBarView.setTitle(null);
             updateTabs(null);
             updateSourcePreferences(null);
@@ -437,7 +437,14 @@ public class MediaActivity extends FragmentActivity implements BrowseFragment.Ca
                 .filter(MediaItemMetadata::isBrowsable)
                 .collect(Collectors.toList());
 
-        mAppBarView.setItems(browsableTopLevel);
+        if (browsableTopLevel.size() == 1) {
+            // If there is only a single tab, use it as a header instead
+            mAppBarView.setMediaAppTitle(browsableTopLevel.get(0).getTitle());
+            mAppBarView.setTitle(null);
+            mAppBarView.setItems(null);
+        } else {
+            mAppBarView.setItems(browsableTopLevel);
+        }
         showTopItem(browsableTopLevel.isEmpty() ? null : browsableTopLevel.get(0));
     }
 
diff --git a/src/com/android/car/media/widgets/AppBarView.java b/src/com/android/car/media/widgets/AppBarView.java
index 2bd4e07..6acb1c9 100644
--- a/src/com/android/car/media/widgets/AppBarView.java
+++ b/src/com/android/car/media/widgets/AppBarView.java
@@ -246,11 +246,12 @@ public class AppBarView extends ConstraintLayout {
 
     /**
      * Sets the name of the currently displayed media app. This is used as the default title for
-     * playback and the root browse menu
+     * playback and the root browse menu. If provided title is null, will use default media center
+     * title.
      */
-    public void setMediaAppName(CharSequence appName) {
-        mMediaAppTitle = appName == null ? getResources().getString(R.string.media_app_title)
-                : appName.toString();
+    public void setMediaAppTitle(CharSequence appTitle) {
+        mMediaAppTitle = appTitle == null ? getResources().getString(R.string.media_app_title)
+                : appTitle.toString();
     }
 
     /** Sets whether the source has settings (not all screens show it). */