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Commit 3fb60d56 authored by Jaewan Kim's avatar Jaewan Kim
Browse files

MediaSession2: Add caller to the callback methods 

This is to follow MediaPlayer2 and MediaPlayerBase's API style.

Bug: 64098437
Test: make update-api
Change-Id: I7fe17852d16237fac801c716eab1007cd0337867
parent 3eef2efe

api/current.txt

+38 −38
Original line number Diff line number Diff line
@@ -22864,12 +22864,12 @@ package android.media { 














  public static class MediaBrowser2.BrowserCallback extends android.media.MediaController2.ControllerCallback {















    ctor public MediaBrowser2.BrowserCallback();













    method public void onChildrenChanged(java.lang.String, int, android.os.Bundle);













    method public void onGetChildrenDone(java.lang.String, int, int, java.util.List<android.media.MediaItem2>, android.os.Bundle);













    method public void onGetItemDone(java.lang.String, android.media.MediaItem2);













    method public void onGetLibraryRootDone(android.os.Bundle, java.lang.String, android.os.Bundle);













    method public void onGetSearchResultDone(java.lang.String, int, int, java.util.List<android.media.MediaItem2>, android.os.Bundle);













    method public void onSearchResultChanged(java.lang.String, int, android.os.Bundle);













    method public void onChildrenChanged(android.media.MediaBrowser2, java.lang.String, int, android.os.Bundle);













    method public void onGetChildrenDone(android.media.MediaBrowser2, java.lang.String, int, int, java.util.List<android.media.MediaItem2>, android.os.Bundle);













    method public void onGetItemDone(android.media.MediaBrowser2, java.lang.String, android.media.MediaItem2);













    method public void onGetLibraryRootDone(android.media.MediaBrowser2, android.os.Bundle, java.lang.String, android.os.Bundle);













    method public void onGetSearchResultDone(android.media.MediaBrowser2, java.lang.String, int, int, java.util.List<android.media.MediaItem2>, android.os.Bundle);













    method public void onSearchResultChanged(android.media.MediaBrowser2, java.lang.String, int, android.os.Bundle);















  }





























  public final class MediaCas implements java.lang.AutoCloseable {










@@ -23391,20 +23391,20 @@ package android.media {



























  public static abstract class MediaController2.ControllerCallback {















    ctor public MediaController2.ControllerCallback();













    method public void onAllowedCommandsChanged(android.media.MediaSession2.CommandGroup);













    method public void onBufferedPositionChanged(long);













    method public void onConnected(android.media.MediaSession2.CommandGroup);













    method public void onCurrentPlaylistItemChanged(android.media.MediaItem2);













    method public void onCustomCommand(android.media.MediaSession2.Command, android.os.Bundle, android.os.ResultReceiver);













    method public void onCustomLayoutChanged(java.util.List<android.media.MediaSession2.CommandButton>);













    method public void onDisconnected();













    method public void onError(int, android.os.Bundle);













    method public void onPlaybackInfoChanged(android.media.MediaController2.PlaybackInfo);













    method public void onPlaybackSpeedChanged(float);













    method public void onPlayerStateChanged(int);













    method public void onPlaylistChanged(java.util.List<android.media.MediaItem2>);













    method public void onPlaylistParamsChanged(android.media.MediaSession2.PlaylistParams);













    method public void onPositionChanged(long, long);













    method public void onAllowedCommandsChanged(android.media.MediaController2, android.media.MediaSession2.CommandGroup);













    method public void onBufferedPositionChanged(android.media.MediaController2, long);













    method public void onConnected(android.media.MediaController2, android.media.MediaSession2.CommandGroup);













    method public void onCurrentPlaylistItemChanged(android.media.MediaController2, android.media.MediaItem2);













    method public void onCustomCommand(android.media.MediaController2, android.media.MediaSession2.Command, android.os.Bundle, android.os.ResultReceiver);













    method public void onCustomLayoutChanged(android.media.MediaController2, java.util.List<android.media.MediaSession2.CommandButton>);













    method public void onDisconnected(android.media.MediaController2);













    method public void onError(android.media.MediaController2, int, android.os.Bundle);













    method public void onPlaybackInfoChanged(android.media.MediaController2, android.media.MediaController2.PlaybackInfo);













    method public void onPlaybackSpeedChanged(android.media.MediaController2, float);













    method public void onPlayerStateChanged(android.media.MediaController2, int);













    method public void onPlaylistChanged(android.media.MediaController2, java.util.List<android.media.MediaItem2>);













    method public void onPlaylistParamsChanged(android.media.MediaController2, android.media.MediaSession2.PlaylistParams);













    method public void onPositionChanged(android.media.MediaController2, long, long);















  }





























  public static final class MediaController2.PlaybackInfo {










@@ -23873,13 +23873,13 @@ package android.media {



























  public static class MediaLibraryService2.MediaLibrarySession.MediaLibrarySessionCallback extends android.media.MediaSession2.SessionCallback {















    ctor public MediaLibraryService2.MediaLibrarySession.MediaLibrarySessionCallback(android.content.Context);













    method public java.util.List<android.media.MediaItem2> onGetChildren(android.media.MediaSession2.ControllerInfo, java.lang.String, int, int, android.os.Bundle);













    method public android.media.MediaItem2 onGetItem(android.media.MediaSession2.ControllerInfo, java.lang.String);













    method public android.media.MediaLibraryService2.LibraryRoot onGetLibraryRoot(android.media.MediaSession2.ControllerInfo, android.os.Bundle);













    method public java.util.List<android.media.MediaItem2> onGetSearchResult(android.media.MediaSession2.ControllerInfo, java.lang.String, int, int, android.os.Bundle);













    method public void onSearch(android.media.MediaSession2.ControllerInfo, java.lang.String, android.os.Bundle);













    method public void onSubscribe(android.media.MediaSession2.ControllerInfo, java.lang.String, android.os.Bundle);













    method public void onUnsubscribe(android.media.MediaSession2.ControllerInfo, java.lang.String);













    method public java.util.List<android.media.MediaItem2> onGetChildren(android.media.MediaLibraryService2.MediaLibrarySession, android.media.MediaSession2.ControllerInfo, java.lang.String, int, int, android.os.Bundle);













    method public android.media.MediaItem2 onGetItem(android.media.MediaLibraryService2.MediaLibrarySession, android.media.MediaSession2.ControllerInfo, java.lang.String);













    method public android.media.MediaLibraryService2.LibraryRoot onGetLibraryRoot(android.media.MediaLibraryService2.MediaLibrarySession, android.media.MediaSession2.ControllerInfo, android.os.Bundle);













    method public java.util.List<android.media.MediaItem2> onGetSearchResult(android.media.MediaLibraryService2.MediaLibrarySession, android.media.MediaSession2.ControllerInfo, java.lang.String, int, int, android.os.Bundle);













    method public void onSearch(android.media.MediaLibraryService2.MediaLibrarySession, android.media.MediaSession2.ControllerInfo, java.lang.String, android.os.Bundle);













    method public void onSubscribe(android.media.MediaLibraryService2.MediaLibrarySession, android.media.MediaSession2.ControllerInfo, java.lang.String, android.os.Bundle);













    method public void onUnsubscribe(android.media.MediaLibraryService2.MediaLibrarySession, android.media.MediaSession2.ControllerInfo, java.lang.String);















  }





























  public final class MediaMetadata implements android.os.Parcelable {










@@ -24967,17 +24967,17 @@ package android.media {



























  public static abstract class MediaSession2.SessionCallback {















    ctor public MediaSession2.SessionCallback(android.content.Context);













    method public boolean onCommandRequest(android.media.MediaSession2.ControllerInfo, android.media.MediaSession2.Command);













    method public android.media.MediaSession2.CommandGroup onConnect(android.media.MediaSession2.ControllerInfo);













    method public void onCustomCommand(android.media.MediaSession2.ControllerInfo, android.media.MediaSession2.Command, android.os.Bundle, android.os.ResultReceiver);













    method public void onDisconnected(android.media.MediaSession2.ControllerInfo);













    method public void onPlayFromMediaId(android.media.MediaSession2.ControllerInfo, java.lang.String, android.os.Bundle);













    method public void onPlayFromSearch(android.media.MediaSession2.ControllerInfo, java.lang.String, android.os.Bundle);













    method public void onPlayFromUri(android.media.MediaSession2.ControllerInfo, android.net.Uri, android.os.Bundle);













    method public void onPrepareFromMediaId(android.media.MediaSession2.ControllerInfo, java.lang.String, android.os.Bundle);













    method public void onPrepareFromSearch(android.media.MediaSession2.ControllerInfo, java.lang.String, android.os.Bundle);













    method public void onPrepareFromUri(android.media.MediaSession2.ControllerInfo, android.net.Uri, android.os.Bundle);













    method public void onSetRating(android.media.MediaSession2.ControllerInfo, java.lang.String, android.media.Rating2);













    method public boolean onCommandRequest(android.media.MediaSession2, android.media.MediaSession2.ControllerInfo, android.media.MediaSession2.Command);













    method public android.media.MediaSession2.CommandGroup onConnect(android.media.MediaSession2, android.media.MediaSession2.ControllerInfo);













    method public void onCustomCommand(android.media.MediaSession2, android.media.MediaSession2.ControllerInfo, android.media.MediaSession2.Command, android.os.Bundle, android.os.ResultReceiver);













    method public void onDisconnected(android.media.MediaSession2, android.media.MediaSession2.ControllerInfo);













    method public void onPlayFromMediaId(android.media.MediaSession2, android.media.MediaSession2.ControllerInfo, java.lang.String, android.os.Bundle);













    method public void onPlayFromSearch(android.media.MediaSession2, android.media.MediaSession2.ControllerInfo, java.lang.String, android.os.Bundle);













    method public void onPlayFromUri(android.media.MediaSession2, android.media.MediaSession2.ControllerInfo, android.net.Uri, android.os.Bundle);













    method public void onPrepareFromMediaId(android.media.MediaSession2, android.media.MediaSession2.ControllerInfo, java.lang.String, android.os.Bundle);













    method public void onPrepareFromSearch(android.media.MediaSession2, android.media.MediaSession2.ControllerInfo, java.lang.String, android.os.Bundle);













    method public void onPrepareFromUri(android.media.MediaSession2, android.media.MediaSession2.ControllerInfo, android.net.Uri, android.os.Bundle);













    method public void onSetRating(android.media.MediaSession2, android.media.MediaSession2.ControllerInfo, java.lang.String, android.media.Rating2);















  }





























  public abstract class MediaSessionService2 extends android.app.Service {

























media/java/android/media/MediaBrowser2.java



+32
−21




























Original line number
Diff line number
Diff line








@@ -46,12 +46,13 @@ public class MediaBrowser2 extends MediaController2 {













         * {@code rootMediaId} and {@code rootExtra} can be {@code null} if the library root isn't















         * available.















         *













         * @param browser the browser for this event















         * @param rootHints rootHints that you previously requested.















         * @param rootMediaId media id of the library root. Can be {@code null}















         * @param rootExtra extra of the library root. Can be {@code null}















         */













        public void onGetLibraryRootDone(Bundle rootHints, @Nullable String rootMediaId,













                @Nullable Bundle rootExtra) { }













        public void onGetLibraryRootDone(@NonNull MediaBrowser2 browser, @Nullable Bundle rootHints,













                @Nullable String rootMediaId, @Nullable Bundle rootExtra) { }































        /**















         * Called when there's change in the parent's children.









@@ -60,18 +61,20 @@ public class MediaBrowser2 extends MediaController2 {













         * {@link MediaLibrarySession#notifyChildrenChanged(ControllerInfo, String, int, Bundle)} or















         * {@link MediaLibrarySession#notifyChildrenChanged(String, int, Bundle)} for the parent.















         *













         * @param browser the browser for this event















         * @param parentId parent id that you've specified with {@link #subscribe(String, Bundle)}















         * @param itemCount number of children















         * @param extras extra bundle from the library service. Can be differ from extras that















         *               you've specified with {@link #subscribe(String, Bundle)}.















         */













        public void onChildrenChanged(@NonNull String parentId, int itemCount,













                @Nullable Bundle extras) { }













        public void onChildrenChanged(@NonNull MediaBrowser2 browser, @NonNull String parentId,













                int itemCount, @Nullable Bundle extras) { }































        /**















         * Called when the list of items has been returned by the library service for the previous















         * {@link MediaBrowser2#getChildren(String, int, int, Bundle)}.















         *













         * @param browser the browser for this event















         * @param parentId parent id















         * @param page page number that you've specified with















         *             {@link #getChildren(String, int, int, Bundle)}









@@ -80,8 +83,9 @@ public class MediaBrowser2 extends MediaController2 {













         * @param result result. Can be {@code null}















         * @param extras extra bundle from the library service















         */













        public void onGetChildrenDone(@NonNull String parentId, int page, int pageSize,













                @Nullable List<MediaItem2> result, @Nullable Bundle extras) { }













        public void onGetChildrenDone(@NonNull MediaBrowser2 browser, @NonNull String parentId,













                int page, int pageSize, @Nullable List<MediaItem2> result,













                @Nullable Bundle extras) { }































        /**















         * Called when the item has been returned by the library service for the previous









@@ -89,21 +93,24 @@ public class MediaBrowser2 extends MediaController2 {













         * <p>















         * Result can be null if there had been error.















         *













         * @param browser the browser for this event















         * @param mediaId media id















         * @param result result. Can be {@code null}















         */













        public void onGetItemDone(@NonNull String mediaId, @Nullable MediaItem2 result) { }













        public void onGetItemDone(@NonNull MediaBrowser2 browser, @NonNull String mediaId,













                @Nullable MediaItem2 result) { }































        /**















         * Called when there's change in the search result requested by the previous















         * {@link MediaBrowser2#search(String, Bundle)}.















         *













         * @param browser the browser for this event















         * @param query search query that you've specified with {@link #search(String, Bundle)}















         * @param itemCount The item count for the search result















         * @param extras extra bundle from the library service















         */













        public void onSearchResultChanged(@NonNull String query, int itemCount,













                @Nullable Bundle extras) { }













        public void onSearchResultChanged(@NonNull MediaBrowser2 browser, @NonNull String query,













                int itemCount, @Nullable Bundle extras) { }































        /**















         * Called when the search result has been returned by the library service for the previous









@@ -111,6 +118,7 @@ public class MediaBrowser2 extends MediaController2 {













         * <p>















         * Result can be null if there had been error.















         *













         * @param browser the browser for this event















         * @param query search query that you've specified with















         *              {@link #getSearchResult(String, int, int, Bundle)}















         * @param page page number that you've specified with









@@ -120,8 +128,9 @@ public class MediaBrowser2 extends MediaController2 {













         * @param result result. Can be {@code null}.















         * @param extras extra bundle from the library service















         */













        public void onGetSearchResultDone(@NonNull String query, int page, int pageSize,













                @Nullable List<MediaItem2> result, @Nullable Bundle extras) { }













        public void onGetSearchResultDone(@NonNull MediaBrowser2 browser, @NonNull String query,













                int page, int pageSize, @Nullable List<MediaItem2> result,













                @Nullable Bundle extras) { }















    }































    public MediaBrowser2(@NonNull Context context, @NonNull SessionToken2 token,









@@ -139,10 +148,10 @@ public class MediaBrowser2 extends MediaController2 {





























    /**















     * Get the library root. Result would be sent back asynchronously with the













     * {@link BrowserCallback#onGetLibraryRootDone(Bundle, String, Bundle)}.













     * {@link BrowserCallback#onGetLibraryRootDone(MediaBrowser2, Bundle, String, Bundle)}.















     *















     * @param rootHints hint for the root













     * @see BrowserCallback#onGetLibraryRootDone(Bundle, String, Bundle)













     * @see BrowserCallback#onGetLibraryRootDone(MediaBrowser2, Bundle, String, Bundle)















     */















    public void getLibraryRoot(Bundle rootHints) {















        mProvider.getLibraryRoot_impl(rootHints);









@@ -150,9 +159,9 @@ public class MediaBrowser2 extends MediaController2 {





























    /**















     * Subscribe to a parent id for the change in its children. When there's a change,













     * {@link BrowserCallback#onChildrenChanged(String, int, Bundle)} will be called with the bundle













     * that you've specified. You should call {@link #getChildren(String, int, int, Bundle)} to get













     * the actual contents for the parent.













     * {@link BrowserCallback#onChildrenChanged(MediaBrowser2, String, int, Bundle)} will be called













     * with the bundle that you've specified. You should call













     * {@link #getChildren(String, int, int, Bundle)} to get the actual contents for the parent.















     *















     * @param parentId parent id















     * @param extras extra bundle









@@ -176,7 +185,7 @@ public class MediaBrowser2 extends MediaController2 {





























    /**















     * Get list of children under the parent. Result would be sent back asynchronously with the













     * {@link BrowserCallback#onGetChildrenDone(String, int, int, List, Bundle)}.













     * {@link BrowserCallback#onGetChildrenDone(MediaBrowser2, String, int, int, List, Bundle)}.















     *















     * @param parentId parent id for getting the children.















     * @param page page number to get the result. Starts from {@code 1}









@@ -189,7 +198,7 @@ public class MediaBrowser2 extends MediaController2 {





























    /**















     * Get the media item with the given media id. Result would be sent back asynchronously with the













     * {@link BrowserCallback#onGetItemDone(String, MediaItem2)}.













     * {@link BrowserCallback#onGetItemDone(MediaBrowser2, String, MediaItem2)}.















     *















     * @param mediaId media id for specifying the item















     */









@@ -199,8 +208,9 @@ public class MediaBrowser2 extends MediaController2 {





























    /**















     * Send a search request to the library service. When the search result is changed,













     * {@link BrowserCallback#onSearchResultChanged(String, int, Bundle)} will be called. You should













     * call {@link #getSearchResult(String, int, int, Bundle)} to get the actual search result.













     * {@link BrowserCallback#onSearchResultChanged(MediaBrowser2, String, int, Bundle)} will be













     * called. You should call {@link #getSearchResult(String, int, int, Bundle)} to get the actual













     * search result.















     *















     * @param query search query. Should not be an empty string.















     * @param extras extra bundle









@@ -211,7 +221,8 @@ public class MediaBrowser2 extends MediaController2 {





























    /**















     * Get the search result from lhe library service. Result would be sent back asynchronously with













     * the {@link BrowserCallback#onGetSearchResultDone(String, int, int, List, Bundle)}.













     * the













     * {@link BrowserCallback#onGetSearchResultDone(MediaBrowser2, String, int, int, List, Bundle)}.















     *















     * @param query search query that you've specified with {@link #search(String, Bundle)}















     * @param page page number to get search result. Starts from {@code 1}

































media/java/android/media/MediaController2.java



+58
−26


























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media/java/android/media/MediaLibraryService2.java



+29
−19




























Original line number
Diff line number
Diff line








@@ -85,6 +85,7 @@ public abstract class MediaLibraryService2 extends MediaSessionService2 {













             * should return null if the client is not allowed to access this















             * information.















             *













             * @param session the session for this event















             * @param controllerInfo information of the controller requesting access to browse media.















             * @param rootHints An optional bundle of service-specific arguments to send















             * to the media library service when connecting and retrieving the









@@ -95,8 +96,8 @@ public abstract class MediaLibraryService2 extends MediaSessionService2 {













             * @see LibraryRoot#EXTRA_OFFLINE















             * @see LibraryRoot#EXTRA_SUGGESTED















             */













            public @Nullable LibraryRoot onGetLibraryRoot(@NonNull ControllerInfo controllerInfo,













                    @Nullable Bundle rootHints) {













            public @Nullable LibraryRoot onGetLibraryRoot(@NonNull MediaLibrarySession session,













                    @NonNull ControllerInfo controllerInfo, @Nullable Bundle rootHints) {















                return null;















            }

























@@ -105,11 +106,12 @@ public abstract class MediaLibraryService2 extends MediaSessionService2 {













             * <p>















             * Return {@code null} for no result or error.















             *













             * @param session the session for this event















             * @param mediaId item id to get media item.















             * @return a media item. {@code null} for no result or error.















             */













            public @Nullable MediaItem2 onGetItem(@NonNull ControllerInfo controllerInfo,













                    @NonNull String mediaId) {













            public @Nullable MediaItem2 onGetItem(@NonNull MediaLibrarySession session,













                    @NonNull ControllerInfo controllerInfo, @NonNull String mediaId) {















                return null;















            }

























@@ -118,14 +120,16 @@ public abstract class MediaLibraryService2 extends MediaSessionService2 {













             * <p>















             * Return an empty list for no children, and return {@code null} for the error.















             *













             * @param session the session for this event















             * @param parentId parent id to get children















             * @param page number of page















             * @param pageSize size of the page















             * @param extras extra bundle















             * @return list of children. Can be {@code null}.















             */













            public @Nullable List<MediaItem2> onGetChildren(@NonNull ControllerInfo controller,













                    @NonNull String parentId, int page, int pageSize, @Nullable Bundle extras) {













            public @Nullable List<MediaItem2> onGetChildren(@NonNull MediaLibrarySession session,













                    @NonNull ControllerInfo controller, @NonNull String parentId, int page,













                    int pageSize, @Nullable Bundle extras) {















                return null;















            }

























@@ -136,32 +140,37 @@ public abstract class MediaLibraryService2 extends MediaSessionService2 {













             * {@link MediaLibrarySession#notifyChildrenChanged(ControllerInfo, String, int, Bundle)}















             * when the parent is changed.















             *













             * @param session the session for this event















             * @param controller controller















             * @param parentId parent id















             * @param extras extra bundle















             */













            public void onSubscribe(@NonNull ControllerInfo controller, @NonNull String parentId,













            public void onSubscribe(@NonNull MediaLibrarySession session,













                    @NonNull ControllerInfo controller, @NonNull String parentId,















                    @Nullable Bundle extras) {















            }































            /**















             * Called when a controller unsubscribes to the parent.















             *













             * @param session the session for this event















             * @param controller controller















             * @param parentId parent id















             */













            public void onUnsubscribe(@NonNull ControllerInfo controller,













                    @NonNull String parentId) {













            public void onUnsubscribe(@NonNull MediaLibrarySession session,













                    @NonNull ControllerInfo controller, @NonNull String parentId) {















            }































            /**















             * Called when a controller requests search.















             *













             * @param session the session for this event















             * @param query The search query sent from the media browser. It contains keywords















             *              separated by space.















             * @param extras The bundle of service-specific arguments sent from the media browser.















             */













            public void onSearch(@NonNull ControllerInfo controllerInfo, @NonNull String query,













            public void onSearch(@NonNull MediaLibrarySession session,













                    @NonNull ControllerInfo controllerInfo, @NonNull String query,















                    @Nullable Bundle extras) {















            }

























@@ -171,17 +180,18 @@ public abstract class MediaLibraryService2 extends MediaSessionService2 {













             * <p>















             * Return an empty list for no search result, and return {@code null} for the error.















             *













             * @param session the session for this event















             * @param controllerInfo Information of the controller requesting the search result.















             * @param query The search query which was previously sent through













             *              {@link #onSearch(ControllerInfo, String, Bundle)} call.













             *              {@link #onSearch(MediaLibrarySession, ControllerInfo, String, Bundle)}.















             * @param page page number. Starts from {@code 1}.















             * @param pageSize page size. Should be greater or equal to {@code 1}.















             * @param extras The bundle of service-specific arguments sent from the media browser.















             * @return search result. {@code null} for error.















             */















            public @Nullable List<MediaItem2> onGetSearchResult(













                    @NonNull ControllerInfo controllerInfo, @NonNull String query, int page,













                    int pageSize, @Nullable Bundle extras) {













                    @NonNull MediaLibrarySession session, @NonNull ControllerInfo controllerInfo,













                    @NonNull String query, int page, int pageSize, @Nullable Bundle extras) {















                return null;















            }















        }










@@ -335,8 +345,8 @@ public abstract class MediaLibraryService2 extends MediaSessionService2 {













         * supplied as a root hint for retrieving media items that are recently played.















         * If the media library service can provide such media items, the implementation must return















         * the key in the root hint when













         * {@link MediaLibrarySessionCallback#onGetLibraryRoot(ControllerInfo, Bundle)} is called













         * back.













         * {@link MediaLibrarySessionCallback#onGetLibraryRoot(MediaLibrarySession, ControllerInfo, Bundle)}













         * is called back.















         *















         * <p>The root hint may contain multiple keys.















         *









@@ -354,8 +364,8 @@ public abstract class MediaLibraryService2 extends MediaSessionService2 {













         * internet connection.















         * If the media library service can provide such media items, the implementation must return















         * the key in the root hint when













         * {@link MediaLibrarySessionCallback#onGetLibraryRoot(ControllerInfo, Bundle)} is called













         * back.













         * {@link MediaLibrarySessionCallback#onGetLibraryRoot(MediaLibrarySession, ControllerInfo, Bundle)}













         * is called back.















         *















         * <p>The root hint may contain multiple keys.















         *









@@ -374,8 +384,8 @@ public abstract class MediaLibraryService2 extends MediaSessionService2 {













         * suggestion.















         * If the media library service can provide such media items, the implementation must return















         * the key in the root hint when













         * {@link MediaLibrarySessionCallback#onGetLibraryRoot(ControllerInfo, Bundle)} is called













         * back.













         * {@link MediaLibrarySessionCallback#onGetLibraryRoot(MediaLibrarySession, ControllerInfo, Bundle)}













         * is called back.















         *















         * <p>The root hint may contain multiple keys.















         *

































media/java/android/media/MediaSession2.java



+57
−39


























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