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added in API level 21

android.service.media

Classes

CameraPrewarmService Extend this class to implement a camera prewarm service. 
MediaBrowserService Base class for media browser services. 
MediaBrowserService.BrowserRoot Contains information that the browser service needs to send to the client when first connected. 
MediaBrowserService.Result<T> Completion handler for asynchronous callback methods in MediaBrowserService