Learning iOS UI Development电子书

Learning iOS UI Development

Table of Contents

Learning iOS UI Development

Credits

About the Author

About the Reviewers

www.PacktPub.com

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Why subscribe?

Free access for Packt account holders

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Downloading the example code

Downloading the color images of this book

Errata

Piracy

Questions

1. UI Fundamentals

Exploring windows

The contents of windows

Configuring windows

Working with views

Defining the view's geometry

The bounds property

The frame property

The center property

UI hierarchy and views inheritance

Managing with the hierarchy

View and subview visibility

Hierarchy events

Notes about debug

Hands-on code

View drawing and life cycle

View controllers and views

Summary

2. UI Components Overview – UIKit

Exploring text elements

Presenting text with UILabel

Receiving user input with UITextField

Multiline text with UITextView

Notes about the keyboard

Keyboard events

Keyboard configuration

Exploring buttons and selectors

UIButton and user interaction

The target-action pattern

Boolean selection with UISwitch

Control customization

Selecting values with UISlider

Control customization

User choices through UISegmentedControl

Control customization

Selecting values with UIPickerView and UIDatePicker

Updating values with UIStepper

Control customization

View-based components

Showing progress with UIProgressView

Control customization

Working with UIActivityIndicatorView

Control customization

Introducing UIImageView and UIImage

Introducing UIScrollView

Managing and presenting structured data

Introducing UITableView

Introducing UICollectionView

The UIAppearance protocol

Hands-on code

Summary

3. Interface Builder, XIB, and Storyboard

Interface Builder

An overview of the editor

Working with XIB files

Managing user interfaces with Storyboards

Connecting user interfaces with your code

Implementing navigation with Storyboard and segues

The unwind segue

Hands-on code

Summary

4. Auto Layout

How Auto Layout works

Xcode and Auto Layout

Practical introduction to constraints

Xcode helpers

Intrinsic content size

Independence from screen size

Updating constraints programmatically

Working with Auto Layout programmatically

Initializing the views

Adding constraints

Working with multiple views

Relations between views

Summary

5. Adaptive User Interfaces

UI definition with size classes

User interface's traits

Trait collection and trait environment

Working with trait collections

Size classes and Interface Builder

Hands-on code

Image assets and size classes

Working with Dynamic Type

Configurable text size

Exploring text styles

Improving Auto Layout structures with UIStackView

Setting up UIStackView

UIStackView and adaptive layouts

Summary

6. Layers and Core Animation

Exploring layers

Layers and views

The content of a layer

Flat layer

The contents property

The layer delegate

Layer subclassing

Contents properties

The layer geometry

The layers hierarchy

The appearance of layers

Working with core animation

Layers and animations

Implicit animations

Properties animations

Initializing and launching the animation

Keeping the animation result

Handling timing and repetitions

Animations group

Keyframe animations

Removing animations from a layer

View animations

Summary

7. UI Interactions – Touches and Gestures

Events and touches

Touch phases

The UITouch class

Responder chain

Hit-testing

Responding to touch events

Gestures and gesture recognizers

Working with gesture recognizers

Gesture recognizer states

Hands-on code

Summary

8. How to Build Custom Controls

The Thermostat control

Designing a custom control

The UIControl class

Implementing the ThermostatSlider control

Control initialization

Drawing the control

Prototyping using playground

Drawing the borders

Drawing the track

Drawing the handle

Updating the control value

Updating borders

Updating the track

Updating the handle

Touch tracking

Beginning tracking

Continuing tracking

Ending tracking

Sending actions

Customizing the control with UI Appearance

Summary

9. Introduction to Core Graphics

Drawing on the graphic context

How drawing works

Handling the graphic states

The coordinate system

UIKit helpers

Drawing with fill and stroke options

Drawing with blending modes

Drawing with paths

Drawing with paths

Path initialization

Building a path

Drawing the path

Summary

Index