System for displaying a sequence of cards to open activities on an electronic device

摘要

A card metaphor is established, in which each activity can be represented within an area of the screen referred to as a card 301. In a first display mode the display screen displays a user interface corresponding to a single activity and in the second mode a further card (301A, B, C) being displayed which corresponds to a further activity. Launching of a further activity causes the corresponding card 301E to be added to the end of the sequence of cards the display screen changing focus to the added card.