Spacer and padding in iOS Swift - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is a Spacer in SwiftUI?

A Spacer is a flexible space that expands to fill available space in a layout, pushing other views apart.

beginner

How does padding affect a view in SwiftUI?

Padding adds empty space around the content inside a view, creating space between the view's edges and its content.

beginner

Which SwiftUI modifier adds space inside a view's border?

The .padding() modifier adds space inside the view's border, around its content.

intermediate

What happens if you add multiple Spacers in a horizontal stack?

Multiple Spacers share the available space equally, pushing views evenly apart.

intermediate

Can you specify padding only on certain edges in SwiftUI?

Yes, you can specify padding on specific edges using .padding(.leading), .padding(.top), etc.

What does Spacer() do in a SwiftUI layout?

A Adds flexible empty space to push views apart

B Adds a fixed-size box

C Adds padding inside a view

D Creates a border around a view

Spacer() creates flexible space that expands to fill available room, pushing other views apart.

How do you add padding only to the top of a view in SwiftUI?

A .padding(10)

B .padding(.top)

C .padding(.all)

D .padding(.leading)

Use .padding(.top) to add padding only on the top edge of a view.

If you want equal space between three buttons horizontally, what should you use?

A Use .background() modifier

B Add padding to each button

C Add Spacer() between each button

D Use .frame(width: 100) on buttons

Adding Spacer() between buttons pushes them apart evenly.

What is the default behavior of .padding() without parameters?

A Adds padding only on the bottom

B Adds padding only on the left

C Removes all padding

D Adds equal padding on all sides

Without parameters, .padding() adds equal space around all edges of the view.

Which of these is NOT true about Spacer()?

A It adds fixed padding inside a view

B Multiple Spacers share space equally

C It can expand to fill space

D It helps align views in stacks

Spacer() does not add fixed padding; it adds flexible space between views.

Explain how Spacer and padding work together to create balanced layouts in SwiftUI.

Think about how empty space and inside space affect view placement.

Describe how you would add space only on the left side of a button in SwiftUI.

Remember padding can target specific edges.