Application Development in iOS 7

Table of Contents

Application Development in iOS 7

Credits

About the Author

About the Reviewers

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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

Errata

Piracy

Questions

1. Xcode 5 – A Developer's Ultimate Tool

The new user experience

Top-level documentation

Debugger and debug gauges

Automatic configuration with accounts and capabilities

Source control

Asset catalogs

Quick build device selection

Storyboard previews

Summary

2. Foundation Framework – Growing Up

Why Foundation matters

Modules

Precompiled headers – a partial solution

Modules – smart importing

NSProgress

NSArray

NSTimer

NSData

NSURLUtilities

Summary

3. Auto Layout 2.0

Why you should use Auto Layout

Creating our project

Starting our storyboard

Setting up button actions

Using Auto Layout

Applying constraints

Resolving Auto Layout issues

Finishing our menu view

Preparing for navigation

Summary

4. Building Our Application for iOS 7

Designing for iOS 7

The navigation bar and status bar

The new UIKit

Updated app icons

Putting together the pieces

Project organization

Creating the files

Setting up the storyboard

AddNewViewController

FoodDetailViewController

MyFoodsViewController

Summary

5. Creating and Saving User Data

Picking up where we left off

The navigation bar style

Adding our button action

Adding buttons to our navigation bar

Adjusting our storyboard view

Adding our delegates

Using a tap gesture

Getting the image from UIImagePickerController

Adding the text field delegate

Saving the data

Getting the date string

Adding validation

Saving the image

Creating versus loading the .plist file

Adding a new entry

Summary

6. Displaying User Data

Custom cell

Building the cell

Connecting the cell

Creating properties

Adding food

Preparing the table view

Loading data

Displaying data

Showing the detail view

Coding the detail view

Creating blurred images

Finishing our detail view

Pushing the detail view

Summary

7. Manipulating Text with TextKit

What is TextKit?

Dynamic type

Handling updates

Exclusion paths

Adding letterpress

Text formatting

Making text bold and italicizing

Underlining text

Summary

8. Adding Physics with UIKit Dynamics

Motion and physics in UIKit

UIKit Dynamics

Motion effects

Adding gravity

UIDynamicAnimator

UIGravityBehavior

Behavior properties

Creating boundaries

Collisions

Creating invisible boundaries

Dynamic items

Manipulating item properties

Collision notifications

Attaching items to other items

Snapping items

Using motion in our app

Summary

Index

Application Development in iOS 7

Application Development in iOS 7

Copyright © 2014 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 expressed 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: May 2014

Production Reference: 1120514

Published by Packt Publishing Ltd.

Livery Place

35 Livery Street

Birmingham B3 2PB, UK.

ISBN 978-1-78355-031-9

www.packtpub.com

Cover Image by Pratyush Mohanta (<tysoncinematography@gmail.com>)

Credits

Author

Kyle Begeman

Reviewers

Arnaud Coomans

Jayant C. Varma

Dmitry Volevodz

Commissioning Editor

James Jones

Acquisition Editor

James Jones

Content Development Editor

Rikshith Shetty

Technical Editors

Pramod Kumavat

Mukul Pawar

Copy Editors

Sarang Chari

Adithi Shetty

Project Coordinator

Harshal Ved

Proofreaders

Stephen Copestake

Maria Gould

Paul Hindle

Indexer

Mehreen Deshmukh

Graphics

Yuvraj Mannari

Production Coordinators

Kyle Albuquerque

Conidon Miranda

Cover Work

Conidon Miranda

About the Author

Kyle Begeman is a self-taught programmer, entrepreneur, and educator. With over five years of experience in iOS development, he has produced multiple applications, mostly with large businesses. He frequently produces educational videos and text for others to learn how to program. A self-proclaimed nerd living in the Silicon Valley, Kyle Begeman spends most of his free time listening to/playing music and thinking up the next great project! You can visit his website at www.kylebegeman.com.

For my wife, Kelli. You inspire me every day on our journey through life.

About the Reviewers

Arnaud Coomans is a senior iOS engineer. He has developed various applications, both for iPhone and iPad, and regularly contributes to open source projects. He enjoys reverse engineering, writing libraries, and writing Xcode plugins.

After working for different startups, including his own, Arnaud Coomans is now working on mobile applications for one of the biggest companies in Silicon Valley.

I would like to thank my family and friends for their help and support.

Jayant C. Varma is an Australian author, developer trainer, and consultant with a special focus on mobile development and the use of mobile applications in business. He is the author of the book Learn Lua for iOS Game Development, Apress, and is the Principal Consultant at OZ Apps, a company he founded, specializing in mobile business solutions.

He has been in the IT industry for quite a while and has seen things change from 8-bit computers to 64-bit mobile devices. He has been drawn towards new technology and Usable UI (user friendly and appealing). He has had several roles earlier that have seen him in different countries as the IT Manager for BMW dealerships working on wireless diagnostics and contactless key readers, among other things, to lecturing at the James Cook University and being actively involved with training and workshops for the Apple University Consortium (AUC) and Australian Computer Society (ACS). Among the well-known apps that he, as a developer, has created is the text-based adventure, Z-Day Survival Simulator application.

He has been a reviewer on a couple of Packt Publishing books based on iOS usage and development. He runs a few blogs on development, such as http://howto.oz-apps.com and http://LearnLua.oz-apps.com, among others.

Dmitry Volevodz is an experienced iOS developer. He has been doing freelance software development for a few years, but has now settled in a small company. He does enterprise iOS development, and game development is his hobby. He has written iOS 7 Game Development, Packt Publishing, a title about game development with Sprite Kit.

I thank my wife Olesya for her patience and my son.

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Preface

Welcome to Application Development in iOS 7. With the release of iOS 7, Apple has completely changed the way we developers think about mobile application design and development. In addition to a complete visual overhaul, iOS 7 offers hundreds of new API and SDK improvements as well as a completely revamped development environment, Xcode 5. This book will walk you through a step-by-step process of