| 摘要 |
An accessory (110) can create and manage a playlist (211) for a portable media player (202) and can incorporate into the playlist tracks already queued for playback when the accessory connects to the portable media device. A first command from the accessory instructs the media device to make a selection and a second command instructs the media device to add the selection to the playlist 414 maintained in the media player. Other commands can be used to add a group of media items or remove items and create playlists. In one example, an accessory can determine whether the database of the portable media device was updated while the portable media device was disconnected from the accessory. In a third example, an accessory can obtain database navigation history and initialize a database navigation interface to match the database navigation history. Enhances a user's ability to control operation of the portable media device using a remote user interface provided by the accessory.
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