Introduction to SwiftUI

Swift Hyderabad Chapter 4
Speaker: Venkatachalam Perumal

Abstract: In this session, we will be going through a brief introduction to SwiftUI. We will also be exploring View layout, State and Composing views.

Bio: Currently working as a Senior iOS Engineer in Mutual Mobile. I have been working on Swift since its introduction. Outside of work, I like to listen to music, travel, and read books.

Transcript

1. Intro to SwiftUI
2. Agenda • Problems with Interface Builders/Storyboard • What is SwiftUI? • Demo
3. Problems with Interface Builders/Storyboard
4. Fatal error: Unexpectedly found nil while implicitly unwrapping an Optional value: file Problems with Interface Builders/ Storyboard
5. Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'view reuse identifier in nib (customCell) does not match the identifier used to register the nib (MenuCollectionViewCell Problems with Interface Builders/ Storyboard
6. Problems with Interface Builders/ Storyboard
7. Solving merge conflicts in storyboard
9. courtesy: @M0rtyMerr
10. What is SwiftUI?
11. What is SwiftUI? SwiftUI is a user interface toolkit that lets us design apps in a declarative way. That’s a fancy way of saying that we tell SwiftUI how we want our UI to look and work, and it figures out how to make that happen as the user interacts with it.
13. Swift UI Developer
14. Migrating to SwiftUI
16. Migrating to SwiftUI UIKit SwiftUI UITableView List UICollectionView No SwiftUI equivalent UILabel Text UITextField TextField UITextField (isSecureTextEntry) SecureField UITextView No SwiftUI equivalent UISwitch Toggle UISlider Slider UIButton Button
17. Migrating to SwiftUI UIKit SwiftUI UINavigationController NavigationView UIAlertController (style: .alert) Alert UIAlertController (style: .actionsheet) ActionSheet UIStackView (horizontal axis) HStack UIStackView (vertical axis) VStack UIImageView Image UISegmentedControl Slider UIStepper Stepper UIDatePicker DatePicker
18. Demo
19. Does SwiftUI replace UIKit?
20. Courtesy • WWDC sessions • Hacking with Swift • Swift by Sundell • And to all the amazing developers out there.
21. Thanks for coming! Happy Coding Q&A
22. Demo Project Link https://github.com/venkatchm/SwiftIndia-SwiftUI-Talk