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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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1. Introduction 2:27
2. Challenge: Making a Programming To-Do List 4:04
3. Buttons and Actions 8:59
4. Alerts 5:30
5. Solving Problems 7:33
6. Challenge: Connecting Actions 2:30
7. How Does an App Work 2:40
8. Portrait vs. Landscape 3:40
9. 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 3: Coding Basics

21. Challenge: How to Calculate the Difference

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About this episode

See if you can figure out an algorithm to calculate the positive difference between the target value and the slider value.

Instructors

Ray Wenderlich

Contributors

Ray Wenderlich

Instructor

Andrew Bristow

Editor

Christine Sweigart

Editor

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Version history

iOS 15, Swift 5.5, Xcode 13

Jan 11 2022

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iOS 16, Swift 5.7, Xcode 14

Feb 13 2023

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iOS 14, Swift 5, Xcode 12

Dec 15 2020

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iOS 13, Swift 5, Xcode 11

Sep 3 2019

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iOS 12, Swift 4, Xcode 10 (Selected)

Jul 24 2018

iOS 11, Swift 4, Xcode 9

Sep 19 2017

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iOS 10, Swift 3, Xcode 8

Nov 7 2016

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Swift 2

Sep 1 2015

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See if you can figure out an algorithm to calculate the positive difference between the target value and the slider value.

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Previous episode: 20. Introduction Next episode: 22. Calculating the Difference

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

Notes

This video Challenge: How to Calculate the Difference was last updated on Jul 24 2018

Your First iOS and UIKit App

Part 3: Coding Basics

21. Challenge: How to Calculate the Difference

Episode complete

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About this episode

Instructors

Contributors

Version history

iOS 15, Swift 5.5, Xcode 13

iOS 16, Swift 5.7, Xcode 14

iOS 14, Swift 5, Xcode 12

iOS 13, Swift 5, Xcode 11

iOS 12, Swift 4, Xcode 10 (Selected)

iOS 11, Swift 4, Xcode 9

iOS 10, Swift 3, Xcode 8

Swift 2

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