Sadang iOS Study Present 2020/11/26

3. ContentView @State framework .
SwiftUI
.

4. 1. 2
•
•

5. UIKIT
// count
var count = 0 {
didSet { countLabel.text = “(count)” }
}
// UITableView
func appendData() {
data.append(“New Data”)
tableView.reloadData()
}

6. ,
!

7. SWIFTUI
.

8. (Toggle) on off
.
body ,
@State
.

9. , .
class viewcontroller: ViewController {
let model: String = “ ” //
func moveToNextView() {
let viewController = InfoInputViewController()
viewController.model = self.model //
self.present(viewController, animated: false, completion: nil)
}

10. .

11. ✅

12. ObservableObject @ObservedObject
-
-
@ObservedObject ObservableObject
.
@State ,
@ObservedObject
.
@Published

13. @EnvironmentObject
.
Model 1 , 2
Binding !

14. 2.ALERT,ACTIONSHEET
•ALERT
•ACTIONSHEET

15. ALERT

16. ALERT UIALERTCONTROLLER
2
UIAlertAction
“OK”

17. ACTIONSHEET

18. Alert ActionSheet
.
.
.

19. 3.
•SHEET
•POPOVER

20. SHEET
pageSheet .

21. POPOVER
Popover
,
.

22. SWIFT
•PROPERTY WRAPPERS

23. • , ,
.
•
.
• @State
.

24. !
• @IBOutlet
• @NSCopying
• @objc
• lazy
• …

26. - .
- ,
.
- .
-
.