| 摘要 |
A user interface element of a graphical user interface (GUI) presents user-selectable visual representations of views of an application. The current state of each view is stored, allowing a user to select a view for display by selecting a visual representation of the view from the user interface element. In some implementations, groups of visual representations of related views are presented in the user interface element in compressed or expanded display formats, depending on whether a member of the group corresponds to a currently selected view. In some implementations, a user can select a compressed group of visual representations, causing the visual representations to be expanded even if a member of the group does not correspond to the currently selected view. In some implementations, the group can be visually augmented to indicate the status of the one or more views in the group.
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