PUSHING A USER INTERFACE TO A REMOTE DEVICE

摘要

A graphical user interface (“GUI”) for a third-party application can be presented on accessory device that has user input and display devices. The GUI can be defined and managed by a portable media device. The portable media device can define one or more GUI image types for the third-party application. The accessory can choose one of the pre-defined GUI image types and receive a remote GUI image that conforms to the selected GUI image type from the portable media device. Alternatively, the accessory can specify the layout and contents of the GUI image that it needs, and the portable media device can generate and send a GUI image according to the accessory's specification.

主权项

1. An accessory comprising:
a controller; and a portable media device interface coupled to the controller, wherein the controller is configured to:
receive a list of graphical user interface image types available for a third-party application;select an graphical user interface image type from the list of available graphical user interface image types;send information about the selected graphical user interface image type to a portable media player, via the portable media device interface; andreceive a graphical user interface image conforming to the selected graphical user interface image type from the portable media player.