- Where can you configure the supported Interface Orientations for an iPad in the Hello-Contacts project?
b) Info.plist.
- How many different size classes exist today?
a) Two.
- What object contains information about the current environment your app is running in?
c) UITraitCollection.
- What is the best way to lay out several objects on top of each other?
b) Using UIStackView.
- How do you animate an update to layout constraints?
a) By calling view.layoutSubviews() in an animation.
- What is the correct way to create an instance of a view controller from a storyboard?
b) let myViewController = storyboard?.instantiateViewController(withIdentifier:"MyViewController").
- How many methods did you have to implement to support peek and pop?
b) Two.