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Your First iOS and UIKit App

...

Your First iOS and UIKit App

14. Variables

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Your First iOS and UIKit App

48 episodes · 2 hrs, 46 mins

Basic Controls

Part 1: 10 Episodes · 43 minutes

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01. Introduction 2:27
02. Challenge: Making a Programming To-Do List 4:04
03. Buttons and Actions 8:59
04. Alerts 5:30
05. Solving Problems 7:33
06. Challenge: Connecting Actions 2:30
07. How Does an App Work 2:40
08. Portrait vs. Landscape 3:40
09. Challenge: Basic Controls 5:26
10. Conclusion 0:29

Outlets

Part 2: 9 Episodes · 34 minutes

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11. Introduction 0:55
12. Objects, Data and Methods 4:10
13. Strings 3:36
14. Variables 8:14
15. Challenge: Your First Bug 1:38
16. Connecting Outlets 5:21
17. Writing Methods 7:01
18. Challenge: Connecting Outlets 2:36
19. Conclusion 0:30

Coding Basics

Part 3: 11 Episodes · 20 minutes

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20. Introduction 0:46
21. Challenge: How to Calculate the Difference 2:51
22. Calculating the Difference 2:40
23. Challenge: Calculating the Difference 1:42
24. Variables vs. Constants 2:51
25. Type Inference 1:32
26. Challenge: Showing the Score 1:33
27. Challenge: Tracking Rounds 2:12
28. Adding Polish 2:29
29. Challenge: Adding Polish 1:38
30. Conclusion 0:45

Coding Practice

Part 4: 7 Episodes · 21 minutes

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31. Introduction 0:45
32. Challenge: Local vs. Instance Variables 3:12
33. Closures 4:43
34. Challenge: Starting Over 2:13
35. Adding Extra Screens 5:41
36. Challenge: Adding Extra Screens 4:19
37. Conclusion 0:23

Styling the App

Part 5: 11 Episodes · 46 minutes

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38. Introduction 0:54
39. Styling with Images and Labels 4:50
40. Challenge: Styling with Labels 2:02
41. Styling with Buttons and Sliders 9:33
42. Challenge: Styling the About Screen 3:25
43. Web Views and Developer Documentation 8:57
44. Introduction to Auto Layout 5:57
45. Challenge: Introduction to Auto Layout 3:51
46. App Icon and Display Name 1:49
47. Running the App on your Device 3:47
48. Conclusion 1:05

Your First iOS and UIKit App

Jul 24 2018 · Swift 4, iOS 12, Xcode 10

Part 2: Outlets

14. Variables

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About this episode

Learn how to detect when the user moves the slider, and how to store the result in a variable.

Instructors

Ray Wenderlich

Contributors

Ray Wenderlich

Instructor

Christine Sweigart

Editor

Andrew Bristow

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This content was released on Jul 24 2018. The official support period is 6-months from this date.

Learn how to detect when the user moves the slider, and how to store the result in a variable.

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Previous episode: 13. Strings Next episode: 15. Challenge: Your First Bug

There is an updated version of this course available, created for Swift 5.5, iOS 15, Xcode 13. View latest version

Last chance: extended by popular demand for 2 days only!

Your First iOS and UIKit App

Part 2: Outlets

14. Variables

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