Changes

The application will display the X and Y coordinates of the touch and update these values in real-time as the finger moves across the screen. When the finger is lifted from the screen, the start and end coordinates of the gesture will then be displayed on two label objects in the user interface. Select the MainStoryboard.storyboard file and, using Interface Builder, create a user interface such that it resembles the layout in Figure 45-1:

Figure 45-1