Your First iOS and SwiftUI App

Notes: 43. Styling the Buttons and Slider

Update 10/30/19: In Xcode 11.1, by default Xcode will not render the background image for the button as shown. However there is a simple workaround:

1. Open Assets.xcassets.
2. Select the Button image.
3. In the inspector, under ImageSet, set Render As to Original Image.

For more details, see the forum discussion.