Changes

When the project has been created, select the Main.storyboard file and drag and drop a View object from the Object Library panel onto the view controller canvas. Resize the view, stretching it in each dimension until the blue dotted line appears indicating the recommended margin. Display the Auto Layout Pin menu and enable “spacing to nearest neighbor” constraints on all four sides of the view with the Constrain to margins option enabled as shown in Figure 58-1 before clicking on the Add 4 Constraints button:

[[Image:ios_8_live_view_constraints.png]]