ActionSheet is a special kind of control which contains one or more sap.m.Button(s) and the ActionSheet will be closed when one of the buttons is tapped. It looks similar as a sap.m.Dialog in iPhone and Android while as a sap.m.Popover in iPad.
Place Buttons as subchild to the ActionSheet. Set the placement according to the Object opening the ActionSheet.
To open the ActionSheet: