Wagner A.J. - Learning Swift
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Learning Swift: summary, description and annotation
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Develop the skills required to create compelling, maintainable, and robust iOS and OS X apps with Swift.Swift is Apples new programming language and the future of iOS and OS X app development. It is a high-performance language that feels like a modern scripting language. On the surface, Swift is easy to jump into, but it has complex underpinnings that are critical to becoming proficient at turning an idea into reality.This book is an approachable, step-by-step introduction into programming with Swift for everyone. It begins by giving you an overview of the key features through practical examples and progresses to more advanced topics that help differentiate the proficient developers from the mediocre ones. It covers important concepts such as Variables, Optionals, Closures, Generics, and Memory Management. Mixed in with those concepts, it also helps you learn the art of programming such as maintainability, useful design patterns, and resources to further your knowledge. This all culminates in writing a basic iOS app that will get you well on your way to turning your own app ideas into reality.What you will learn:
Form a solid understanding of the Swift 2 language;
Get to know the practical aspects of how a computer program actually works;
Understand the paradigms used by Apples frameworks so you are not intimidated by them;
Utilize the vast resources written in Objective-C to better inform your Swift programming;
Develop a basic portfolio of Swift code by learning the critical concepts;
Experience both object-oriented and functional programming;
Get to know the new coding techniques made available by Swift 2;
Discover resources to ensure you never stop becoming a better developer.Write expressive, understandable, and maintainable Swift 2 code with this hands-on tutorial.
Unveil the complex underpinnings of Swift to turn your app ideas into reality.
This book is packed with real-life examples to help you implement concepts as you learn.Who This Book Is For:
If you are looking to build iOS or OS X apps using the most modern technology, this book is ideal for you. You will find this book especially useful if you are new to programming or if you are yet to develop for iOS or OS X. No prior programming exposure is required.
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Copyright 2016 Packt Publishing
All rights reserved. No part of this book may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, without the prior written permission of the publisher, except in the case of brief quotations embedded in critical articles or reviews.
Every effort has been made in the preparation of this book to ensure the accuracy of the information presented. However, the information contained in this book is sold without warranty, either express or implied. Neither the author, nor Packt Publishing, and its dealers and distributors will be held liable for any damages caused or alleged to be caused directly or indirectly by this book.
Packt Publishing has endeavored to provide trademark information about all of the companies and products mentioned in this book by the appropriate use of capitals. However, Packt Publishing cannot guarantee the accuracy of this information.
First published: June 2015
Second edition: March 2016
Production reference: 1170316
Published by Packt Publishing Ltd.
Livery Place
35 Livery Street
Birmingham B3 2PB, UK.
ISBN 978-1-78588-751-2
www.packtpub.com
Author
Andrew J Wagner
Reviewer
Guan Gui
Commissioning Editor
Kartikey Pandey
Acquisition Editors
Vivek Anantharaman
Chaitanya Nair
Content Development Editor
Viranchi Shetty
Technical Editor
Saurabh Malhotra
Copy Editors
Kevin McGowan
Sneha Singh
Project Coordinator
Izzat Contractor
Proofreader
Safis Editing
Indexer
Hemangini Bari
Production Coordinator
Shantanu N. Zagade
Cover Work
Shantanu N. Zagade
Andrew J Wagner is a software developer who concentrates on iOS development and backend web services. He has a degree in computer engineering from Rensselaer Polytechnic Institute, New York. Currently, he works for a development shop named Chronos Interactive based in Denver, CO. He has experience of working with and for large-scale and small-scale companies, as well as running his own contracting and app companies. He is passionate about using computers as a creative outlet and writing software that is beautiful in implementation, functionality, and experience.
When he isn't working or spending time with friends and family, he writes for his blog at http://drewag.me.
I would like to thank my friends and family for being there for me as support for both my troubles and triumphs. Without their encouragement, I would not have finished this book or achieved any of the other things in my life that make me proud. An especially big thanks to my parents, Fern and Joe, for continually providing me with the tools I need to do the things I love.
Guan Gui graduated from the University of Melbourne. He implemented the first system of its kind for beekeepers using satellite sensory data to help them deploy their honeybees better. He is also a big fan of Apple. He started his own open source projectUni Call (unicall.guiguan.net) for OS X. While his research focus is on machine learning, he enjoys the more practical side of CS: developing apps using Swift and JavaScript. Currently, he is trying to set his own start-up. Big ideas to change the world always spin in his head!
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This book will help you to get started with Swift in no time. It helps you understand the nuances of iOS programming not only from a conceptual but also from an implementation perspective. This book is an invaluable resource if you are looking forward to exploring the world of iOS application programming.
, Introducing Swift, will take the reader through the process of installing Swift and running their first Swift program, in order to expose its power right away.
, Building Blocks - Variables, Collections, and Flow Control , introduces you to the various built-in mechanisms Swift has for representing complex information in expressive and accessible ways, with the help of a real-world example.
, One Piece at a Time - Types, Scopes, and Projects , introduces the tools necessary to closely model the real world with code. It will teach you how to define your own custom types using structures, classes, and enumerations. It also explores the concept of scope and access control.
, To Be or Not To Be - Optionals , focuses on a special and critical type in Swift, called optionals. It includes a detailed explanation of how optionals work and how they can be used, which turns a seemingly complex topic into a very intuitive concept.
, A Modern Paradigm - Closures and Functional Programming , introduces you to a new way of thinking about code called functional programming. We learn how Swift supports this technique and how we can apply it to our programs to make it even more understandable and expressive.
, Make Swift Work For You - Protocols and Generics , describes what generics and protocols are and how they can provide power and safety at the same time.
, Everything Is Connected - Memory Management , dives deeper into the inner-workings of Swift. We discuss how a computer stores information and how we can use that knowledge in combination with some new tools in Swift, to ensure that our code remains responsive and minimizes its effect on battery life.
, Paths Less Traveled Error Handling , goes into gracefully handling error situations in Swift with error throwing and catching.
, Writing Code the Swift Way - Design Patterns and Techniques , introduces the reader to the art of programming by taking them through a number of specific design patterns that help reduce the complexity of code.
, Harnessing the Past - Understanding and Translating Objective-C , develops a basic understanding of Objective-C with a focus on how it compares to Swift. This allows the reader to make use of the vast resources that exist in Objective-C to help with their Swift development.
, A Whole New World - Developing an App , focuses on explaining the process of creating a real world iOS application, with the help of an example.
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