A method (1100, 1500) implemented by an electronic device, the method comprising: displaying (1110, 1510), on a display screen, a view (300, 400,...,1000, 1300, 1400, 1700) comprising a plurality of communication event listings (330, 730) corresponding to a plurality of communication events including at least one message, the plurality of communication events comprising a plurality of communication event types or a plurality of accounts, the view being initially displayed in a first mode, each displayed listing of the view (300, 1700a) in the first mode comprising a principal user interface element (340, 1710) for initiating a first action operating on its corresponding communication event; in response to a command to invoke a second mode for the view, displaying (1140, 1525) the view in the second mode, each displayed listing of the view in the second mode comprising a principal user interface element for initiating the first action and at least one additional user interface element (446, 448) for initiating an additional action operating on the corresponding communication event, different sets being provided for communication events of different communication event types or different accounts; and in response to receiving a selection of one of the plurality of communication event listings (330, 730) of a message type in the first mode: displaying content associated with the selected communication event in a message view; and when the message view is dismissed, redisplaying the view in the first mode, with only the displayed listing for the selected communication event comprising the principal user interface element for initiating the first action and the at least one additional user interface element (1736, 1738) for initiating the additional action operating on the selected communication event, wherein, in the first mode, at least one displayed listing (340, 1710) comprises an icon (342, 1712) indicating a status or attribute of the communication event, and wherein when the view is redisplayed in the first mode after the message view being dismissed, the icon (342, 1712) is replaced with a toggle user interface element for changing the status or attribute of the communication event of the message type. displaying (1110, 1510), on a display screen, a view (300, 400,...,1000, 1300, 1400, 1700) comprising a plurality of communication event listings (330, 730) corresponding to a plurality of communication events including at least one message, the plurality of communication events comprising a plurality of communication event types or a plurality of accounts, the view being initially displayed in a first mode, each displayed listing of the view (300, 1700a) in the first mode comprising a principal user interface element (340, 1710) for initiating a first action operating on its corresponding communication event; in response to a command to invoke a second mode for the view, displaying (1140, 1525) the view in the second mode, each displayed listing of the view in the second mode comprising a principal user interface element for initiating the first action and at least one additional user interface element (446, 448) for initiating an additional action operating on the corresponding communication event, different sets being provided for communication events of different communication event types or different accounts; and in response to receiving a selection of one of the plurality of communication event listings (330, 730) of a message type in the first mode: displaying content associated with the selected communication event in a message view; and when the message view is dismissed, redisplaying the view in the first mode, with only the displayed listing for the selected communication event comprising the principal user interface element for initiating the first action and the at least one additional user interface element (1736, 1738) for initiating the additional action operating on the selected communication event, displaying content associated with the selected communication event in a message view; and when the message view is dismissed, redisplaying the view in the first mode, with only the displayed listing for the selected communication event comprising the principal user interface element for initiating the first action and the at least one additional user interface element (1736, 1738) for initiating the additional action operating on the selected communication event, wherein, in the first mode, at least one displayed listing (340, 1710) comprises an icon (342, 1712) indicating a status or attribute of the communication event, and wherein when the view is redisplayed in the first mode after the message view being dismissed, the icon (342, 1712) is replaced with a toggle user interface element for changing the status or attribute of the communication event of the message type.