This lesson presents two ways of temporarily displaying data for user feedback:
Though the overall purpose is the same between popovers and modal views, they behave differently when implemented. For example, to dismiss a popover, you simply tap outside the bounds of the popover itself. To dismiss a modal view, you must touch a user-defined button that will dismiss it. Because of this permanence, modal views are presented to the user for immediate required feedback in order to continue the application.
Popovers by definition are views that are revealed when a control is tapped. They also have the visual effect of being attached to that control as shown in Figure 19-1.
The popover is an iPad-only view, and suggested uses are as follows: