Programming IOS 13: Dive Deep Into Views, View Controllers, and Frameworks
暫譯: 深入探索 iOS 13：視圖、視圖控制器與框架

如果您已經掌握了 Swift、Xcode 和 Cocoa 框架的基本知識，本書將提供有條理的解釋，涵蓋所有必要的實際 iOS 應用組件。通過深入探索和大量的程式碼範例，您將學會如何創建視圖、操作視圖控制器，並從 iOS 框架中添加功能。

- 創建、排列、繪製、分層和動畫化能夠響應觸控的視圖
- 使用視圖控制器來管理多個介面的螢幕
- 精通滾動視圖、表格視圖、文本、彈出視窗、分割視圖、網頁視圖和控制項的介面類別
- 深入了解聲音、視頻、地圖和感應器的框架
- 存取用戶庫：音樂、照片、聯絡人和日曆
- 探索其他主題，包括檔案、網路和執行緒

Matt Neuburg has a PhD in Classics and has taught at many universities and colleges. He has been programming computers since 1968. He has written applications for Mac OS X and iOS, is a former editor of MacTech Magazine, and is a long-standing contributing editor for TidBITS. His previous O'Reilly books are Frontier: The Definitive Guide, REALbasic: The Definitive Guide, and AppleScript: The Definitive Guide. He makes a living writing books, articles, and software documentation, as well as by programming, consulting, and training.

馬特·紐伯格（Matt Neuburg）擁有古典學博士學位，曾在多所大學和學院任教。他自1968年以來一直從事電腦程式設計。他為 Mac OS X 和 iOS 編寫過應用程式，曾擔任《MacTech Magazine》的編輯，並且是《TidBITS》的長期貢獻編輯。他之前在 O'Reilly 出版的書籍包括《Frontier: The Definitive Guide》、《REALbasic: The Definitive Guide》和《AppleScript: The Definitive Guide》。他以撰寫書籍、文章和軟體文件為生，並從事程式設計、顧問和培訓工作。

How to Contact Us
I. Views
1. Views
Window and Root View
How an App Launches
App Without a Storyboard
Referring to the Window
Experimenting with Views
Subview and Superview
Color
Visibility and Opacity
Frame
Bounds and Center
Transform
Transform3D
Window Coordinates and Screen Coordinates
Trait Collections
Interface Style
Size Classes
Overriding Trait Collections
Layout
Autoresizing
Autolayout and Constraints
Implicit Autoresizing Constraints
Creating Constraints in Code
Constraints as Objects
Margins and Guides
Intrinsic Content Size
Self-Sizing Views
Stack Views
Internationalization
Mistakes with Constraints
Configuring Layout in the Nib
Autoresizing in the Nib
Creating a Constraint
Viewing and Editing Constraints
Problems with Nib Constraints
Varying the Screen Size
Conditional Interface Design
Xcode View Features
View Debugger
Previewing Your Interface
Designable Views and Inspectable Properties
Layout Events

2. Drawing
Images and Image Views
Image Files
Image Views
Resizable Images
Transparency Masks
Reversible Images
Graphics Contexts
Drawing on Demand
Drawing a UIImage
UIImage Drawing
CGImage Drawing
Snapshots
CIFilter and CIImage
Blur and Vibrancy Views
Drawing a UIView
Graphics Context Commands
Graphics Context Settings
Paths and Shapes
Clipping
Gradients
Colors and Patterns
Graphics Context Transforms
Shadows
Erasing
Points and Pixels
Content Mode

3. Layers
View and Layer
Layers and Sublayers
Manipulating the Layer Hierarchy
Positioning a Sublayer
CAScrollLayer
Layer and Delegate
Layout of Layers
Drawing in a Layer
Drawing-Related Layer Properties
Content Resizing and Positioning
Layers that Draw Themselves
Transforms
Affine Transforms
3D Transforms
Depth
Further Layer Features
Shadows
Borders and Rounded Corners
Masks
Layer Efficiency
Layers and Key–Value Coding

4. Animation
Drawing, Animation, and Threading
Image View and Image Animation
View Animation
A Brief History of View Animation
Property Animator Basics
View Animation Basics
View Animation Configuration
Timing Curves
Canceling a View Animation
Frozen View Animation
Custom Animatable View Properties
Keyframe View Animation
Transitions
Implicit Layer Animation
Animatable Layer Properties
Animation Transactions
Media Timing Functions
Core Animation
CABasicAnimation and Its Inheritance
Using a CABasicAnimation
Springing Animation
Keyframe Animation
Making a Property Animatable
Grouped Animations
Freezing an Animation
Transitions
Animations List
Actions
What an Action Is
Action Search
Hooking Into the Action Search
Making a Custom Property Implicitly Animatable
Nonproperty Actions
Emitter Layers
CIFilter Transitions
UIKit Dynamics
The Dynamics Stack
Custom Behaviors
Animator and Behaviors
Motion Effects
Animation and Layout

5. Touches
Touch Events and Views
Receiving Touches
Restricting Touches
Interpreting Touches
Gesture Recognizers
Gesture Recognizer Classes
Gesture Recognizer Conflicts
Gesture Recognizer Delegate
Subclassing Gesture Recognizers
Gesture Recognizers in the Nib
3D Touch Press Gesture
Touch Delivery
Hit-Testing
Performing Hit-Testing
Hit-Test Munging
Hit-Testing for Layers
Hit-Testing for Drawings
Hit-Testing During Animation
Initial Touch Event Delivery
Gesture Recognizer and View
Touch Exclusion Logic
Gesture Recognition Logic

II. Interface
6. View Controllers
View Controller Responsibilities
View Controller Hierarchy
Automatic Child View Placement
Manual Child View Placement
Presented View Placement
Ensuring a Coherent Hierarchy
View Controller Creation
How a View Controller Obtains Its View
Manual View
Generic Automatic View
View in a Separate Nib
Summary
How Storyboards Work
How a Storyboard View Controller Nib is Loaded
How a Storyboard View Nib is Loaded
View Resizing
View Size in the Nib Editor
Bars and Underlapping
Resizing and Layout Events
Rotation
Uses of Rotation
Permitting Compensatory Rotation
Initial Orientation
Detecting Rotation
View Controller Manual Layout
Initial Manual Layout
Manual Layout During Rotation
Presented View Controller
Presentation and Dismissal
Configuring a Presentation
Communication with a Presented View Controller
Adaptive Presentation
Presentation, Rotation, and the Status Bar
Tab Bar Controller
Tab Bar Items
Configuring a Tab Bar Controller
Navigation Controller
Bar Button Items
Navigation Items and Toolbar Items
Configuring a Navigation Controller
Custom Transition
Noninteractive Custom Transition Animation
Interactive Custom Transition Animation
Custom Presented View Controller Transition
Transition Coordinator
Page View Controller
Preparing a Page View Controller
Page View Controller Navigation
Other Page View Controller Configurations
Container View Controllers
Adding and Removing Children
Status Bar, Traits, and Resizing
Previews and Context Menus
Storyboards
Triggered Segues
Container Views and Embed Segues
Storyboard References
Unwind Segues
View Controller Lifetime Events
Order of Events
Appear and Disappear Events
Event Forwarding to a Child View Controller
View Controller Memory Management
Lazy Loading
NSCache, NSPurgeableData, and Memory-Mapping
Background Memory Usage

7. Scroll Views
Content Size
Creating a Scroll View in Code
Manual Content Size
Automatic Content Size with Autolayout
Scroll View Layout Guides
Using a Content View
Scroll View in a Nib
Content Inset
Scrolling
Scrolling in Code
Paging
Tiling
Zooming
Zooming Programmatically
Zooming with Detail
Scroll View Delegate
Scroll View Touches
Floating Scroll View Subviews
Scroll View Performance

8. Table Views and Collection Views
Table View Controller
Table View Cells
Built-In Cell Styles
Registering a Cell Class
Custom Cells
Table View Data
The Three Big Questions
Reusing Cells
Table View Sections
Section Headers and Footers
Table View Section Example
Section Index
Variable Row Heights
Manual Row Height Measurement
Measurement and Layout with Constraints
Estimated Height
Automatic Row Height
Table View Selection
Managing Cell Selection
Responding to Cell Selection
Navigation from a Table View
Table View Scrolling and Layout
Refreshing a Table View
Cell Choice and Static Tables
Direct Access to Cells
Refresh Control
Editing a Table View
Toggling a Table View’s Edit Mode
Edit Mode and Selection
Changing a Table View’s Structure
Deleting a Cell
Deleting Multiple Cells
Table View Diffable Data Source
Populating a Diffable Data Source
Subclassing a Diffable Data Source
Changing a Diffable Data Source
Pros and Cons of the Diffable Data Source
More Table View Editing
Rearranging Cells
Editable Content in Cells
Expandable Cell
Table View Swipe Action Buttons
Table View Menus
Table View Searching
Configuring a Search Controller
Using a Search Controller
Collection Views
Collection View Classes
Flow Layout
Compositional Layout
Size, Count, Spacing, and Insets
Supplementary Items
Multiple Section Layouts
Other Compositional Layout Features
Collection View Diffable Data Source
Basic Cell Manipulation
Selecting Cells
Deleting Cells
Menu Handling
Rearranging Cells
Custom Collection View Layouts
Tweaking a Layout
Collection View Layout Subclass
Decoration Views
Switching Layouts
Collection Views and UIKit Dynamics

9. iPad Interface
Popovers
Arrow Source and Direction
Popover Size
Popover Appearance
Passthrough Views
Popover Presentation, Dismissal, and Delegate
Adaptive Popovers
Popover Segues
Popover Presenting a View Controller
Split Views
Expanded Split View Controller (iPad)
Collapsed Split View Controller (iPhone)
Expanding Split View Controller (Big iPhone)
Customizing a Split View Controller
Split View Controller in a Storyboard
Setting the Collapsed State
View Controller Message Percolation
iPad Multitasking
Drag and Drop
Drag and Drop Architecture
Basic Drag and Drop
Item Providers
Slow Data Delivery
Additional Delegate Methods
Table Views and Collection Views
Spring Loading
iPhone and Local Drag and Drop
Multiple Windows
The Window Architecture
Scene Creation
Window Creation and Closing
State Saving and Restoration
Further Multiple Window Considerations

10. Text
Fonts and Font Descriptors
Fonts
Symbol Images and Text
Font Descriptors
Choosing a Font
Adding Fonts
Attributed Strings
Attributed String Attributes
Making an Attributed String
Modifying and Querying an Attributed String
Custom Attributes
Drawing and Measuring an Attributed String
Labels
Number of Lines
Wrapping and Truncation
Fitting Label and Text
Customized Label Drawing
Text Fields
Summoning and Dismissing the Keyboard
Keyboard Covers Text Field
Text Field Delegate and Control Event Messages
Text Field Menu
Drag and Drop
Keyboard and Input Configuration
Text Views
Links, Text Attachments, and Data
Self-Sizing Text View
Text View and Keyboard
Text Kit
Text View and Text Kit
Text Container
Alternative Text Kit Stack Architectures
Layout Manager
Text Kit Without a Text View

11. Web Views
WKWebView
Web View Content
Tracking Changes in a Web View
Web View Navigation
Communicating with a Web Page
Custom Schemes
Web View Previews and Context Menus
Safari View Controller
Developing Web View Content

12. Controls and Other Views
UIActivityIndicatorView
UIProgressView
Progress View Alternatives
The Progress Class
UIPickerView
UISearchBar
UIControl
UISwitch
UIStepper
UIPageControl
UIDatePicker
UISlider
UISegmentedControl
UIButton
Custom Controls
Bars
Bar Position
Bar Metrics
Bar and Item Appearance
Bar Background and Shadow
Bar Button Items
Navigation Bar
Toolbar
Tab Bar
Tint Color
Appearance Proxy

13. Modal Dialogs
Alerts and Action Sheets
Alerts
Action Sheets
Alert Alternatives
Quick Actions
Local Notifications
Authorization for Local Notifications
Notification Categories
Scheduling a Local Notification
Hearing About a Local Notification
Grouped Notifications
Managing Notifications
Notification Content Extensions
Today Extensions
Activity Views
Presenting an Activity View
Custom Activities
Action Extensions
Share Extensions

III. Some Frameworks
14. Audio
System Sounds
Audio Session
Category
Activation and Deactivation
Ducking
Interruptions
Secondary Audio
Routing Changes
Audio Player
Remote Control of Your Sound
Playing Sound in the Background
AVAudioRecorder
AVAudioEngine
MIDI Playback
Text to Speech
Speech to Text
Further Topics in Sound

15. Video
AVPlayerViewController
Other AVPlayerViewController Properties
Picture-in-Picture
Introducing AV Foundation
Some AV Foundation Classes
Things Take Time
Time Is Measured Oddly
Constructing Media
AVPlayerLayer
Further Exploration of AV Foundation
UIVideoEditorController

16. Music Library
Music Library Authorization
Exploring the Music Library
Querying the Music Library
Persistence and Change in the Music Library
Music Player
Setting the Queue
Modifying the Queue
Player State
MPVolumeView
Playing Songs with AV Foundation
Media Picker

17. Photo Library and Camera
Browsing with UIImagePickerController
Image Picker Controller Presentation
Image Picker Controller Delegate
Dealing with Image Picker Controller Results
Photos Framework
Querying the Photo Library
Modifying the Library
Being Notified of Changes
Fetching Images
Editing Images
Photo Editing Extension
Using the Camera
Capture with UIImagePickerController
Capture with AV Foundation

18. Contacts
Contact Classes
Fetching Contact Information
Fetching a Contact
Repopulating a Contact
Labeled Values
Contact Formatters
Saving Contact Information
Contact Sorting, Groups, and Containers
Contacts Interface
CNContactPickerViewController
CNContactViewController

19. Calendar
Calendar Database Contents
Calendars
Calendar Items
Calendar Database Changes
Creating Calendars, Events, and Reminders
Events
Alarms
Recurrence
Reminders
Proximity Alarms
Fetching Events and Reminders
Calendar Interface
EKEventViewController
EKEventEditViewController
EKCalendarChooser

20. Maps
Map Views
Displaying a Region
Scrolling and Zooming
Other Map View Customizations
Map Images
Annotations
Customizing an MKMarkerAnnotationView
Changing the Annotation View Class
Custom Annotation View Class
Custom Annotation Class
Annotation View Hiding and Clustering
Other Annotation Features
Overlays
Custom Overlay Class
Custom Overlay Renderer
Other Overlay Features
Map Kit and Current Location
Communicating with the Maps App
Geocoding, Searching, and Directions
Geocoding
Searching
Directions

21. Sensors
Core Location
Location Manager and Delegate
Location Services Authorization
Location Tracking
Where Am I?
Continuous Background Location
Location Monitoring
Heading
Acceleration, Attitude, and Activity
Shake Events
Using Core Motion
Raw Acceleration
Gyroscope
Other Core Motion Data

IV. Final Topics
22. Persistent Storage
The Sandbox
Standard Directories
Inspecting the Sandbox
Basic File Operations
Saving and Reading Files
File Coordinators
File Wrappers
User Defaults
Simple Sharing and Previewing of Files
File Sharing
Document Types and Receiving a Document
Handing Over a Document
Previewing a Document
Quick Look Previews
Document Architecture
A Basic Document Example
iCloud
Document Browser
Custom Thumbnails
Custom Previews
Document Picker
XML
JSON
Coding Keys
Custom Decoding
SQLite
Core Data
PDFs
Image Files

23. Basic Networking
HTTP Requests
Obtaining a Session
Session Configuration
Session Tasks
Session Delegate
HTTP Request with Task Completion Function
HTTP Request with Session Delegate
One Session, One Delegate
Delegate Memory Management
Session and Delegate Encapsulation
Downloading Table View Data
Background Session
On-Demand Resources
In-App Purchases

24. Threads
Main Thread
Background Threads
Why Threading Is Hard
Blocking the Main Thread
Manual Threading
Operation
Grand Central Dispatch
Commonly Used GCD Methods
Synchronous Execution
Dispatch Groups
One-Time Execution
Concurrent Queues
Checking the Queue
App Backgrounding
Background Processing

25. Undo
Target–Action Undo
Undo Grouping
Functional Undo
Undo Interface
Shake-To-Edit
Built-In Gestures
Undo Menu
A. Lifetime Events
Application States
Delegate Events
Lifetime Scenarios
Major State Changes
Paused Inactivity
Transient Inactivity on the iPad
Multiple Windows
Scene Death in the App Switcher
Lifetime Event Timing
B. Some Useful Utility Functions
Core Graphics Initializers
Center of a CGRect
Adjust a CGSize
Delayed Performance
Dictionary of Views
Constraint Issues
Named Views
Subviews of Given Class
Configure a Value Class at the Point of Use
Downsize a UIImage
C. How Asynchronous Works
Index

How to Contact Us

I. Views

1. Views

Window and Root View

How an App Launches

App Without a Storyboard

Referring to the Window

Experimenting with Views

Subview and Superview

Color

Visibility and Opacity

Frame

Bounds and Center

Transform

Transform3D

Window Coordinates and Screen Coordinates

Trait Collections

Interface Style

Size Classes

Overriding Trait Collections

Layout

Autoresizing

Autolayout and Constraints

Implicit Autoresizing Constraints

Creating Constraints in Code

Constraints as Objects

Margins and Guides

Intrinsic Content Size

Self-Sizing Views

Stack Views

Internationalization

Mistakes with Constraints

Configuring Layout in the Nib

Autoresizing in the Nib

Creating a Constraint

Viewing and Editing Constraints

Problems with Nib Constraints

Varying the Screen Size

Conditional Interface Design

Xcode View Features

View Debugger

Previewing Your Interface

Designable Views and Inspectable Properties

Layout Events

2. Drawing

Images and Image Views

Image Files

Image Views

Resizable Images

Transparency Masks

Reversible Images

Graphics Contexts

Drawing on Demand

Drawing a UIImage

UIImage Drawing

CGImage Drawing

Snapshots

CIFilter and CIImage

Blur and Vibrancy Views

Drawing a UIView

Graphics Context Commands

Graphics Context Settings

Paths and Shapes

Clipping

Gradients

Colors and Patterns

Graphics Context Transforms

Shadows

Erasing

Points and Pixels

Content Mode

3. Layers

View and Layer

Layers and Sublayers

Manipulating the Layer Hierarchy

Positioning a Sublayer

CAScrollLayer

Layer and Delegate

Layout of Layers

Drawing in a Layer

Drawing-Related Layer Properties

Content Resizing and Positioning

Layers that Draw Themselves

Transforms

Affine Transforms

3D Transforms

Depth

Further Layer Features

Shadows

Borders and Rounded Corners

Masks

Layer Efficiency

Layers and Key–Value Coding

4. Animation

Drawing, Animation, and Threading

Image View and Image Animation

View Animation

A Brief History of View Animation

Property Animator Basics

View Animation Basics

View Animation Configuration

Timing Curves

Canceling a View Animation

Frozen View Animation

Custom Animatable View Properties

Keyframe View Animation

Transitions

Implicit Layer Animation

Animatable Layer Properties

Animation Transactions

Media Timing Functions

Core Animation

CABasicAnimation and Its Inheritance

Using a CABasicAnimation

Springing Animation

Keyframe Animation

Making a Property Animatable

Grouped Animations

Freezing an Animation

Transitions

Animations List

Actions

What an Action Is

Action Search

Hooking Into the Action Search

Making a Custom Property Implicitly Animatable

Nonproperty Actions

Emitter Layers

CIFilter Transitions

UIKit Dynamics

The Dynamics Stack

Custom Behaviors

Animator and Behaviors

Motion Effects

Animation and Layout

5. Touches

Touch Events and Views

Receiving Touches

Restricting Touches

Interpreting Touches

Gesture Recognizers

Gesture Recognizer Classes

Gesture Recognizer Conflicts

Gesture Recognizer Delegate

Subclassing Gesture Recognizers

Gesture Recognizers in the Nib

3D Touch Press Gesture

Touch Delivery

Hit-Testing

Performing Hit-Testing

Hit-Test Munging

Hit-Testing for Layers

Hit-Testing for Drawings

Hit-Testing During Animation

Initial Touch Event Delivery

Gesture Recognizer and View

Touch Exclusion Logic

Gesture Recognition Logic

II. Interface

6. View Controllers

View Controller Responsibilities

View Controller Hierarchy

Automatic Child View Placement

Manual Child View Placement

Presented View Placement

Ensuring a Coherent Hierarchy

View Controller Creation

How a View Controller Obtains Its View

Manual View

Generic Automatic View

View in a Separate Nib

Summary

How Storyboards Work

How a Storyboard View Controller Nib is Loaded

How a Storyboard View Nib is Loaded

View Resizing

View Size in the Nib Editor

Bars and Underlapping

Resizing and Layout Events

Rotation

Uses of Rotation

Permitting Compensatory Rotation

Initial Orientation

Detecting Rotation

View Controller Manual Layout

Initial Manual Layout

Manual Layout During Rotation

Presented View Controller

Presentation and Dismissal

Configuring a Presentation

Communication with a Presented View Controller

Adaptive Presentation

Presentation, Rotation, and the Status Bar

Tab Bar Controller

Tab Bar Items

Configuring a Tab Bar Controller

Navigation Controller

Bar Button Items

Navigation Items and Toolbar Items

Configuring a Navigation Controller

Custom Transition

Noninteractive Custom Transition Animation

Interactive Custom Transition Animation

Custom Presented View Controller Transition

Transition Coordinator

Page View Controller

Preparing a Page View Controller

Page View Controller Navigation

Other Page View Controller Configurations

Container View Controllers

Adding and Removing Children

Status Bar, Traits, and Resizing

Previews and Context Menus

Storyboards

Triggered Segues

Container Views and Embed Segues

Storyboard References

Unwind Segues

View Controller Lifetime Events

Order of Events

Appear and Disappear Events

Event Forwarding to a Child View Controller

View Controller Memory Management

Lazy Loading

NSCache, NSPurgeableData, and Memory-Mapping

Background Memory Usage

7. Scroll Views

Content Size

Creating a Scroll View in Code

Manual Content Size

Automatic Content Size with Autolayout

Scroll View Layout Guides

Using a Content View

Scroll View in a Nib

Content Inset

Scrolling

Scrolling in Code

Paging

Tiling

Zooming

Zooming Programmatically

Zooming with Detail

Scroll View Delegate

Scroll View Touches

Floating Scroll View Subviews

Scroll View Performance

8. Table Views and Collection Views

Table View Controller

Table View Cells

Built-In Cell Styles

Registering a Cell Class

Custom Cells

Table View Data

The Three Big Questions

Reusing Cells

Table View Sections

Section Headers and Footers

Table View Section Example

Section Index

Variable Row Heights

Manual Row Height Measurement

Measurement and Layout with Constraints

Estimated Height

Automatic Row Height

Table View Selection

Managing Cell Selection

Responding to Cell Selection

Navigation from a Table View

Table View Scrolling and Layout

Refreshing a Table View

Cell Choice and Static Tables

Direct Access to Cells

Refresh Control

Editing a Table View

Toggling a Table View’s Edit Mode

Edit Mode and Selection

Changing a Table View’s Structure

Deleting a Cell

Deleting Multiple Cells

Table View Diffable Data Source

Populating a Diffable Data Source

Subclassing a Diffable Data Source

Changing a Diffable Data Source

Pros and Cons of the Diffable Data Source

More Table View Editing

Rearranging Cells

Editable Content in Cells

Expandable Cell

Table View Swipe Action Buttons

Table View Menus

Table View Searching

Configuring a Search Controller

Using a Search Controller

Collection Views

Collection View Classes

Flow Layout

Compositional Layout

Size, Count, Spacing, and Insets

Supplementary Items

Multiple Section Layouts

Other Compositional Layout Features

Collection View Diffable Data Source

Basic Cell Manipulation

Selecting Cells

Deleting Cells

Menu Handling

Rearranging Cells

Custom Collection View Layouts

Tweaking a Layout

Collection View Layout Subclass

Decoration Views

Switching Layouts

Collection Views and UIKit Dynamics

9. iPad Interface

Popovers

Arrow Source and Direction

Popover Size

Popover Appearance

Passthrough Views

Popover Presentation, Dismissal, and Delegate

Adaptive Popovers

Popover Segues

Popover Presenting a View Controller

Split Views

Expanded Split View Controller (iPad)

Collapsed Split View Controller (iPhone)

Expanding Split View Controller (Big iPhone)

Customizing a Split View Controller

Split View Controller in a Storyboard

Setting the Collapsed State

View Controller Message Percolation

iPad Multitasking

Drag and Drop

Drag and Drop Architecture

Basic Drag and Drop

Item Providers

Slow Data Delivery

Additional Delegate Methods

Table Views and Collection Views

Spring Loading

iPhone and Local Drag and Drop

Multiple Windows

The Window Architecture

Scene Creation

Window Creation and Closing

State Saving and Restoration

Further Multiple Window Considerations

10. Text

Fonts and Font Descriptors

Fonts

Symbol Images and Text

Font Descriptors

Choosing a Font

Adding Fonts

Attributed Strings

Attributed String Attributes

Making an Attributed String

Modifying and Querying an Attributed String

Custom Attributes

Drawing and Measuring an Attributed String

Labels

Number of Lines

Wrapping and Truncation

Fitting Label and Text

Customized Label Drawing

Text Fields

Summoning and Dismissing the Keyboard

Keyboard Covers Text Field

Text Field Delegate and Control Event Messages

Text Field Menu

Drag and Drop

Keyboard and Input Configuration

Text Views

Links, Text Attachments, and Data

Self-Sizing Text View

Text View and Keyboard

Text Kit

Text View and Text Kit

Text Container

Alternative Text Kit Stack Architectures

Layout Manager

Text Kit Without a Text View

11. Web Views

WKWebView

Web View Content

Tracking Changes in a Web View

Web View Navigation

Communicating with a Web Page

Custom Schemes

Web View Previews and Context Menus

Safari View Controller

Developing Web View Content

12. Controls and Other Views

UIActivityIndicatorView

UIProgressView

Progress View Alternatives

The Progress Class

UIPickerView

UISearchBar

UIControl

UISwitch

UIStepper

UIPageControl

UIDatePicker

UISlider

UISegmentedControl

UIButton

Custom Controls

Bars

Bar Position

Bar Metrics

Bar and Item Appearance

Bar Background and Shadow

Bar Button Items

Navigation Bar

Toolbar

Tab Bar

Tint Color

Appearance Proxy

13. Modal Dialogs

Alerts and Action Sheets

Alerts

Action Sheets

Alert Alternatives

Quick Actions

Local Notifications

Authorization for Local Notifications

Notification Categories

Scheduling a Local Notification

Hearing About a Local Notification

Grouped Notifications

Managing Notifications

Notification Content Extensions

Today Extensions

Activity Views

Presenting an Activity View

Custom Activities

Action Extensions

Share Extensions

III. Some Frameworks

14. Audio

System Sounds

Audio Session

Category

Activation and Deactivation

Ducking

Interruptions

Secondary Audio

Routing Changes

Audio Player

Remote Control of Your Sound

Playing Sound in the Background

AVAudioRecorder

AVAudioEngine

MIDI Playback

Text to Speech

Speech to Text

Further Topics in Sound

15. Video

AVPlayerViewController

Other AVPlayerViewController Properties

Picture-in-Picture

Introducing AV Foundation

Some AV Foundation Classes

Things Take Time

Time Is Measured Oddly

Constructing Media

AVPlayerLayer

Further Exploration of AV Foundation

UIVideoEditorController

16. Music Library

Music Library Authorization

Exploring the Music Library

Querying the Music Library

Persistence and Change in the Music Library

Music Player

Setting the Queue

Modifying the Queue

Player State

MPVolumeView

Playing Songs with AV Foundation

Media Picker

17. Photo Library and Camera

Browsing with UIImagePickerController

Image Picker Controller Presentation

Image Picker Controller Delegate

Dealing with Image Picker Controller Results

Photos Framework

Querying the Photo Library

Modifying the Library

Being Notified of Changes

Fetching Images

Editing Images

Photo Editing Extension

Using the Camera

Capture with UIImagePickerController

Capture with AV Foundation

18. Contacts

Contact Classes

Fetching Contact Information

Fetching a Contact

Repopulating a Contact

Labeled Values

Contact Formatters

Saving Contact Information

Contact Sorting, Groups, and Containers

Contacts Interface

CNContactPickerViewController

CNContactViewController

19. Calendar

Calendar Database Contents

Calendars

Calendar Items

Calendar Database Changes

Creating Calendars, Events, and Reminders

Events

Alarms

Recurrence

Reminders

Proximity Alarms

Fetching Events and Reminders

Calendar Interface

EKEventViewController

EKEventEditViewController

EKCalendarChooser

20. Maps

Map Views

Displaying a Region

Scrolling and Zooming

Other Map View Customizations

Map Images

Annotations

Customizing an MKMarkerAnnotationView

Changing the Annotation View Class

Custom Annotation View Class

Custom Annotation Class

Annotation View Hiding and Clustering

Other Annotation Features

Overlays

Custom Overlay Class

Custom Overlay Renderer

Other Overlay Features

Map Kit and Current Location

Communicating with the Maps App

Geocoding, Searching, and Directions

Geocoding

Searching

Directions

21. Sensors

Core Location

Location Manager and Delegate

Location Services Authorization

Location Tracking

Where Am I?

Continuous Background Location

Location Monitoring

Heading

Acceleration, Attitude, and Activity

Shake Events

Using Core Motion

Raw Acceleration

Gyroscope

Other Core Motion Data

IV. Final Topics

22. Persistent Storage

The Sandbox

Standard Directories

Inspecting the Sandbox

Basic File Operations

Saving and Reading Files

File Coordinators

File Wrappers

User Defaults

Simple Sharing and Previewing of Files

File Sharing

Document Types and Receiving a Document

Handing Over a Document

Previewing a Document

Quick Look Previews

Document Architecture

A Basic Document Example

iCloud

Document Browser

Custom Thumbnails

Custom Previews

Document Picker

XML

JSON

Coding Keys

Custom Decoding

SQLite

Core Data

PDFs

Image Files

23. Basic Networking

HTTP Requests

Obtaining a Session

Session Configuration

Session Tasks

Session Delegate

HTTP Request with Task Completion Function

HTTP Request with Session Delegate

One Session, One Delegate

Delegate Memory Management

Session and Delegate Encapsulation

Downloading Table View Data

Background Session

On-Demand Resources

In-App Purchases

24. Threads

Main Thread

Background Threads

Why Threading Is Hard

Blocking the Main Thread

Manual Threading

Operation

Grand Central Dispatch

Commonly Used GCD Methods

Synchronous Execution

Dispatch Groups

One-Time Execution

Concurrent Queues

Checking the Queue

App Backgrounding

Background Processing

25. Undo

Target–Action Undo

Undo Grouping

Functional Undo

Undo Interface

Shake-To-Edit

Built-In Gestures

Undo Menu

A. Lifetime Events

Application States

Delegate Events

Lifetime Scenarios

Major State Changes

Paused Inactivity

Transient Inactivity on the iPad

Multiple Windows

Scene Death in the App Switcher

Lifetime Event Timing

B. Some Useful Utility Functions

Core Graphics Initializers

Center of a CGRect

Adjust a CGSize

Delayed Performance

Dictionary of Views

Constraint Issues

Named Views

Subviews of Given Class

Configure a Value Class at the Point of Use

Downsize a UIImage

C. How Asynchronous Works

Index