iOS11AppDevelopmentEssentials

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Table of Contents

1. Start Here ................................................................................................................................................ 1

1.1 For New iOS Developers .......................................................................................................................... 1

1.2 For iOS 10 Developers .............................................................................................................................. 1

1.3 Source Code Download ............................................................................................................................ 2

1.4 Feedback .................................................................................................................................................. 2

1.5 Errata ....................................................................................................................................................... 2

2. Joining the Apple Developer Program ..................................................................................................... 3

2.1 Downloading Xcode 9 and the iOS 11 SDK .............................................................................................. 3

2.2 Apple Developer Program........................................................................................................................ 3

2.3 When to Enroll in the Apple Developer Program? .................................................................................. 3

2.4 Enrolling in the Apple Developer Program .............................................................................................. 4

2.5 Summary .................................................................................................................................................. 5

3. Installing Xcode 9 and the iOS 11 SDK ..................................................................................................... 7

3.1 Identifying if you have an Intel or PowerPC based Mac .......................................................................... 7

3.2 Installing Xcode 9 and the iOS 11 SDK ..................................................................................................... 7

3.3 Starting Xcode .......................................................................................................................................... 8

3.4 Adding Your Apple ID to the Xcode Preferences ..................................................................................... 8

3.5 Developer and Distribution Signing Identities ......................................................................................... 9

4. A Guided Tour of Xcode 9 ...................................................................................................................... 11

4.1 Starting Xcode 9 ..................................................................................................................................... 11

4.2 Creating the iOS App User Interface ...................................................................................................... 15

4.3 Changing Component Properties ........................................................................................................... 17

4.4 Adding Objects to the User Interface .................................................................................................... 18

4.5 Building and Running an iOS 11 App in Xcode 9 .................................................................................... 21

4.6 Running the App on a Physical iOS Device ............................................................................................. 22

4.7 Managing Devices and Simulators ......................................................................................................... 22

4.8 Enabling Network Testing ...................................................................................................................... 23

4.9 Dealing with Build Errors ....................................................................................................................... 24

4.10 Monitoring Application Performance .................................................................................................. 24

4.11 An Exploded View of the User Interface Layout Hierarchy.................................................................. 25

4.12 Summary .............................................................................................................................................. 26

5. An Introduction to Xcode 9 Playgrounds ............................................................................................... 27

5.1 What is a Playground? ........................................................................................................................... 27

5.2 Creating a New Playground ................................................................................................................... 27

5.3 A Basic Swift Playground Example ......................................................................................................... 29

5.4 Viewing Results ...................................................................................................................................... 29

5.5 Adding Rich Text Comments .................................................................................................................. 31

5.6 Working with Playground Pages ............................................................................................................ 32

5.7 Working with UIKit in Playgrounds ........................................................................................................ 32

5.8 Adding Resources to a Playground ........................................................................................................ 33

5.9 Working with Enhanced Live Views ....................................................................................................... 34

5.10 When to Use Playgrounds ................................................................................................................... 37

5.11 Summary .............................................................................................................................................. 37