Swift Cookbook

Swift Cookbook

Overview of this book

If you are an experienced Objective-C programmer and are looking for quick solutions to many different coding tasks in Swift, then this book is for you. You are expected to have development experience, though not necessarily with Swift.

Preface

What this book covers

What you need for this book

Free Chapter

1. Getting Started with Xcode and Swift

Introduction

Installing Xcode from the App Store

Downloading the Xcode image

Starting a Swift project

Using Swift project options

Creating conditional code

Adding a developer account

Compiling from the command line

Using Swift as an interpreter

Adding a control version system to an existing project

2. Standard Library and Collections

Introduction

Creating HTML manually

Printing your object description

Quizzing the user

Searching for perfect numbers

Sorting an array of products

Finding the way out

Working with sets

Creating your own set

Organizing a dinner room

3. Using Structs and Generics

Introduction

Creating an exam app

Checking the right answer

Avoiding copying of structs

Creating a generic array initializer

Creating a priority list

Creating a protocol for the priority queue

4. Design Patterns with Swift

Introduction

Writing into a log file

Creating a factory of musical notes

Simulating a home automation

Delivering some pizzas

5. Multitasking

Introduction

Working of a device while you navigate

Creating an SEO app

Being aware of cyclones

Links on our website

6. Playground

Introduction

Creating the first playground

Watching some graphics

Watching the temperature

Stretching an image

Beautifying your text

Receiving JSONs

Dangerous moves

7. Swift Debugging with Xcode

Introduction

The Tax income simulator

The best checker movement

Debugging with LLDB

Profiling an app

8. Integrating with Objective-C

Introduction

Calling a cab

Hiring a van

Porting from one language to another

Replacing the UI classes

Upgrading the app delegate

Creating a framework

9. Dealing with Other Languages

Introduction

Using your old address book

Compressing a message

Using assembly code with Swift

Sharing C++ code with Swift

10. Data Access

Introduction

Creating an SQLite database

Checking where your IP is from

Tracking your phone activity

Controlling your stock

Voting devices

11. Miscellaneous

Introduction

The geekest keyboard

Time to take your pill

Adding effects to your photos

Being a film critic

Leaving breadcrumbs

Exchanging money

Index

Customer Reviews

5 star

4 star

3 star

2 star

1 star

Replacing the UI classes

At this moment, you know how to migrate the model part of an application. However, in real life, we also have to replace the graphical classes. Doing this is not complicated, but this could include a bit full of details.

Getting ready

Continuing with the previous recipe, make a copy of it or just commit the changes you have and let's continue with our migration.

How to do it...

Now, follow these steps to replace the UI classes:

First, create a new file called MainViewController.swift and start importing UIKit:
```
import UIKit
```
The next step is to create a class called MainViewController. This class must inherit from UIViewController and implement the UITableViewDataSource and UITableViewDelegate protocols:
```
class MainViewController:UIViewController,UITableViewDataSource, UITableViewDelegate {
```
Then, add the attributes we had in the previous view controller. Keep the same name you used before:
```
    private var vehicles = [Car]()
    @IBOutlet var tableView:UITableView!
```
Next, we need...

Swift Cookbook

Swift Cookbook

Overview of this book

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Replacing the UI classes

Getting ready

How to do it...