Learn Swift by Building Applications电子书

Title Page

Copyright and Credits

Learn Swift by Building Applications

Packt Upsell

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Contributors

About the author

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Preface

Who this book is for

What this book covers

To get the most out of this book

Download the example code files

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Conventions used

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Swift Basics – Variables and Functions

Variables

Optional types

Enumeration types

Basic flow statements

The if statements – how to control the code flow

Loops

The while loops

The switch statement

Functions

What is a tuple?

What is the guard statement?

How to tackle huge problems – bottom-up versus top-down

Summary

Getting Familiar with Xcode and Playgrounds

Installing Xcode

Exploring Xcode

What do we see on the screen?

Toolbar

Menu

The Navigator panel (located to the left)

The Debug panel (located at the bottom)

The Utilities panel (located to the right)

Xcode preferences window

Playground

What is a playground?

Let's add some code

How to add auxiliary code to a playground

How to add resource to a playground

Converting a playground to a workspace

Markup in playgrounds

Different items in the markup language

Basic markup items

Summary

Creating a Minimal Mobile App

Your first iOS application

Project structure

AppDelegate

Application states

ViewController

Git

Summary

Structures, Classes, and Inheritance

Structures and classes

Extensions

The deinit method

Type properties and functions

Adding custom data types to a playground

Inheritance

Base class

Class properties

Model-View-Controller (MVC)

Summary

Adding Interactivity to Your First App

Storyboards

Visual components

Adding items to the storyboard

Linking the UI with the code

General discussion

Summary

How to Use Data Structures, OOP, and Protocols

Primary collection types

Generics

Array

Set

Dictionary

How to choose the best collection type

List of items in a playground

UICollectionView

UICollectionViewCell

Reusing cells

Layouts

Table view in iOS app

Model list of cities

Displaying all cities

Adding search

Protocols

Protocols and inheritance

Summary

Developing a Simple Weather App

Defining the app screens

The home screen

Favorite locations

Constraints

Picking a location

Model

Locations

Controllers and segues

The first segue

How to pass data

Passing information in the reverse direction

Defining a custom segue

Further improvements

Summary

Introducing CocoaPods and Project Dependencies

Software – the modern way

Ruby and CocoaPods

How to use it

CocoaPods useful commands

Carthage

Swift Package Manager

Useful commands

Popular third-party libraries

Alamofire

Texture

RxSwift

Summary

Improving a Version of a Weather App

Weather forecast API

What's an API?

List of requests

Creating new models

Pure network requests

Alamofire implementation

Improvements using third-party libraries

Better error handling

About the screen

Summary

Building an Instagram-Like App

Tabbed app project

Firebase

Login

The different screens

Custom buttons on the tab bar

Creating a post

Models

Firebase

Filters

Summary

Instagram-Like App Continued

Home screen

Profile screen

Search screen

Favorites screen

Polishing the home screen

Summary

Contributing to an Open Source Project

Your account at GitHub

Forking a repository

Let's contribute

Pull request

Summary

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