MediaBrowser.Listener

Artifact: androidx.media3:media3-session

Kotlin |Java

public interface MediaBrowser.Listener extends MediaController.Listener

A listener for events from MediaLibraryService.

The methods will be called from the application thread associated with the application looper of the controller.

Summary

Public methods
`default void`	`onChildrenChanged( MediaBrowser browser, String parentId, @IntRange(from = 0) int itemCount, @Nullable MediaLibraryService.LibraryParams params )` Called when there's a change in the parent's children after you've subscribed to the parent with `subscribe`.
`default void`	`onSearchResultChanged( MediaBrowser browser, String query, @IntRange(from = 0) int itemCount, @Nullable MediaLibraryService.LibraryParams params )` Called when there's change in the search result requested by the previous `search`.

Inherited methods

From androidx.media3.session.MediaController.Listener

`default void`	`onAvailableSessionCommandsChanged( MediaController controller, SessionCommands commands )` Called when the available session commands are changed by session.
`default ListenableFuture<SessionResult>`	`onCustomCommand( MediaController controller, SessionCommand command, Bundle args )` Called when the session sends a custom command through `sendCustomCommand`.
`default void`	`@UnstableApi onCustomLayoutChanged( MediaController controller, List<CommandButton> layout )` Called when the `custom layout` changed.
`default void`	`onDisconnected(MediaController controller)` Called when the controller is disconnected from the session.
`default void`	`onExtrasChanged(MediaController controller, Bundle extras)` Called when the session extras are set on the session side.
`default void`	`@UnstableApi onSessionActivityChanged( MediaController controller, PendingIntent sessionActivity )` Called when the `PendingIntent` to launch the session activity `has been changed` on the session side.
`default ListenableFuture<SessionResult>`	`onSetCustomLayout( MediaController controller, List<CommandButton> layout )` Called when the session sets the custom layout through setCustomLayout.

Public methods

onChildrenChanged

default void onChildrenChanged(
    MediaBrowser browser,
    String parentId,
    @IntRange(from = 0) int itemCount,
    @Nullable MediaLibraryService.LibraryParams params
)

Called when there's a change in the parent's children after you've subscribed to the parent with subscribe.

This method is called when the app calls notifyChildrenChanged for the parent, or it is called by the library immediately after calling subscribe.

Parameters
`MediaBrowser browser`	The browser for this event.
`String parentId`	The non-empty parent id that you've specified with `subscribe`.
`@IntRange(from = 0) int itemCount`	The number of children, or `MAX_VALUE` if the number of items is unknown.
`@Nullable MediaLibraryService.LibraryParams params`	The optional parameters from the library service. Can be differ from the `params` that you've specified with `subscribe`.

onSearchResultChanged

default void onSearchResultChanged(
    MediaBrowser browser,
    String query,
    @IntRange(from = 0) int itemCount,
    @Nullable MediaLibraryService.LibraryParams params
)

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

Parameters
`MediaBrowser browser`	The browser for this event.
`String query`	The non-empty search query that you've specified with `search`.
`@IntRange(from = 0) int itemCount`	The number of items for the search result.
`@Nullable MediaLibraryService.LibraryParams params`	The optional parameters from the library service. Can be differ from the `params` that you've specified with `search`.