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What You'll Learn in This Hour:. Exploring the world of Objective-C. Getting inside Objective-C objects. Managing inheritance. Using delegates and protocols. Using model/view/controller Working with the Code Mac OS and iOS apps are written using the Objective-C language. Right there, some people might panic and throw up their hands, but do not worry.

As pointed out previously, you write very little code from scratch. Much of the code that you run is already written for you using Objective-C; that code is in the Cocoa and Cocoa Touch frameworks that support everything from animation to native platform appearance and the Core Data and various table view classes that are the topic of this book. (Cocoa Touch is the version that runs on iOS; unless otherwise noted, references to Cocoa include Cocoa Touch in this book, just as references to iPhone include iPod touch.) When you're working inside the Cocoa framework and the other components of iOS and Mac OS, most of your work consists of calling existing methods and occasionally overriding them for your own purposes. Xcode 4 provides a new development environment that is heavily graphical in nature.

Sams Teach Yourself Core Data for Mac and iOS in 24 Hours (Sams Teach Yourself.in 24 Hours) In just 24 sessions of one hour or less, start using Core Data to build powerful data-driven apps for iOS devices and Mac OS X computers! Sams Teach Yourself Core Data for Mac® and iOS in 24 Hours by Jesse Feiler Stay ahead with the world's most comprehensive technology and business learning platform. With Safari, you. Book Description. In just 24 sessions of one hour or less, start using Core Data to build powerful data-driven apps for iOS devices and Mac OS X computers!

You will find yourself drawing relationships in your data model and, in the interface, drawing connections between objects on the interface and the code that supports them. Objective-C 2.0 First announced at the 2006 Worldwide Developers Conference and released in Mac OS X v.10.5 (Leopard) in October 2007, Objective-C 2.0 is now the standard implementation. It is fully supported in Xcode 4. The primary changes from the original version of Objective-C include the addition of automatic garbage collection, improvements to runtime performance, and some syntax enhancements.

Those syntax enhancements are fully reflected in this book (after all, this book is written more than five years after the announcement of Objective-C 2.0). Some legacy software still uses old syntax, and there is generally no problem with that. Objective-C 2.0 is often referred to as modern, while the previous version is referred to as legacy. The modern version is not to be confused with Objective-C modern syntax, a project in the late 1990s that changed the presentation of its syntax and which was ultimately discontinued. As a general rule, legacy Objective-C code runs without changes in the Objective-C environment (there are some exceptions).

Much of the sample code for Mac OS X on is from the legacy period and, with few exceptions, it compiles and runs well. During the transition period, developers often continued to use legacy syntax. This meant that for shared code (and for sample code), developers did not have to worry about whether the code would be compiled or run in the modern or legacy system—it would generally work. Today, there is no reason to write legacy code because the tools are all updated to Objective-C 2.0. It is safe to write code that will not compile or run in the legacy environment because people are not (or should not be) still using it. This is particularly relevant to declared properties, which are discussed later in this hour in the 'Using Declared Properties' section, p.

What You Do Not Have to Worry About You do not have to worry about designing an entire program in most cases. You are writing code that will be a part built on a template, the behavior of which is known by users, so what you have to do is to fit in. You need to write the code that is specific to your app, but you do not have to worry about implementing an event loop. In fact, if you decide to develop the app's infrastructure yourself, you might find that users are disappointed at its unfamiliarity and—more important to many people—your app might not find a place in the App Store.

Instead of writing code from scratch, much of what you will do is to investigate the code that you have in the Xcode templates or in Apple's sample code. You need to explore what is written and how it has been designed so that you can understand how and where your functionality will fit in. It is a very different process than writing it from scratch. Introducing Objective-C Objective-C is built on C; in fact, if you write ordinary C code, you can compile it with an Objective-C compiler (that includes Xcode). The main extension to C that Objective-C provides is its implementation of objects and object-oriented programming. Today, object-oriented programming rates a big yawn from many people; that is the kind of programming that most people are used to.

When Simula 67, the first precursor of Objective-C and all modern object-oriented languages, was developed, this was a new notion, and many people were not certain it was worth the extra effort (not to mention the time it took to learn what then was a new and not fully formed technology). It is against this background that the extensions to C needed to implement Objective-C were created. One of the goals was to prove that very little was needed to be added to C to implement object-oriented programming. Basically, what was added to C was a messaging and object structure based on Smalltalk. Over the years, additional features such as protocols and delegates as well as categories and blocks were added to the language.

Some other features were added. Some of them are not as important to developers writing for iOS or Mac OS X, while others of them simply never caught on with developers at large. Thus, this section provides an overview of the major components that are in use today in the context of iOS and Mac OS X. At the same time as additional features were being added, the use of the language was refined particularly in the environments of NeXT, Apple, Mac OS X, and iOS. These refinements include conventions such as naming conventions and even code formatting conventions. They are not part of the language itself, but they represent best practices that are followed by the vast majority of Objective-C developers.

Author by: Jesse Feiler Languange: en Publisher by: Sams Publishing Format Available: PDF, ePub, Mobi Total Read: 74 Total Download: 985 File Size: 49,9 Mb Description: In just 24 sessions of one hour or less, start using Core Data to build powerful data-driven apps for iOS devices and Mac OS X computers! Using this book's straightforward, step-by-step approach, you'll discover how Apple's built-in data persistence framework can help you meet any data-related requirement, from casual to enterprise-class. Beginning with the absolute basics, you'll learn how to create data models, build interfaces, interact with users, work with data sources and table views, and even get started with iCloud. Every lesson builds on what you've already learned, giving you a rock-solid foundation for real-world success! Step-by-step instructions carefully walk you through the most common Core Data development tasks. Quizzes and Exercises at the end of each chapter help you test your knowledge. Notes present interesting information related to the discussion.

Tips offer advice or show you easier ways to perform tasks. Cautions alert you to possible problems and give you advice on how to avoid them. Learn how to. Author by: John Ray Languange: en Publisher by: Sams Publishing Format Available: PDF, ePub, Mobi Total Read: 55 Total Download: 617 File Size: 40,6 Mb Description: In just 24 sessions of one hour or less, Sams Teach Yourself Xcode 4 in 24 Hours will help you achieve breakthrough productivity with Apple’s new Xcode 4.3+ development environment for OS X and iOS devices. Every lesson introduces new concepts and builds on what you’ve already learned, giving you a rock-solid foundation for real-world success!

Step-by-step instructions carefully walk you through the most common Xcode 4 development tasks. Quizzes and Exercises at the end of each chapter help you test your knowledge. By the Way notes present interesting information related to the discussion. Did You Know? Tips offer advice or show you easier ways to perform tasks. Cautions alert you to possible problems and give you advice on how to avoid them. Author by: Jesse Feiler Languange: en Publisher by: Sams Publishing Format Available: PDF, ePub, Mobi Total Read: 43 Total Download: 820 File Size: 50,8 Mb Description: Full-color figures and code appear as they do in Xcode 5.

In just 24 sessions of one hour or less, you can master the Objective-C language and start using it to write powerful native applications for even the newest Macs and iOS devices! Using this book’s straightforward, step-by-step approach, you’ll get comfortable with Objective-C’s unique capabilities and Apple’s Xcode 5 development environmentmake the most of Objective-C objects and messagingwork effectively with design patterns, collections, blocks, Foundation Classes, threading, Gitand a whole lot more. Every lesson builds on what you’ve already learned, giving you a rock-solid foundation for real-world success! Step-by-Step Instructions carefully walk you through the most common Objective-C development tasks.

Quizzes and Exercises at the end of each chapter help you test your knowledge. Notes present information related to the discussion. Tips offer advice or show you easier ways to perform tasks. Cautions alert you to possible problems and give you advice on how to avoid them. Author by: John Ray Languange: en Publisher by: Pearson Education Format Available: PDF, ePub, Mobi Total Read: 59 Total Download: 223 File Size: 52,9 Mb Description: In just 24 sessions of one hour each, learn how to build powerful applications for today's hottest handheld devices: the iPhone and iPad!

Using this book's straightforward, step-by-step approach, you'll master every skill and technology you need, from setting up your iOS development environment to building great user interfaces, sensing motion to writing multitasking applications. Each lesson builds on what you've already learned, giving you a rock-solid foundation for real-world success! Step-by-step instructions carefully walk you through the most common iOS development tasks. Quizzes and Exercises help you test your knowledge. By the Way notes present interesting information related to the discussion. Did You Know?

Tips show you easier ways to perform tasks. Cautions alert you to possible problems and give you advice on how to avoid them. John Ray is currently serving as the Director of the Office of Research Information Systems at the Ohio State University. His many books include Using TCP/IP: Special Edition, Maximum Mac OS X Security, Mac OS X Unleashed, Teach Yourself Dreamweaver MX in 21 Days, and Sams Teach Yourself iOS 7 Application Development in 24 Hours. Author by: John Ray Languange: en Publisher by: Sams Publishing Format Available: PDF, ePub, Mobi Total Read: 55 Total Download: 632 File Size: 46,6 Mb Description: In just 24 sessions of one hour each, learn how to build powerful applications for today’s hottest handheld devices: the iPhone and iPad!

Using this book’s straightforward, step-by-step approach, you’ll master every skill and technology you need, from setting up your iOS development environment to building great user interfaces, sensing motion to writing multitasking applications. Each lesson builds on what you’ve already learned, giving you a rock-solid foundation for real-world success!

Step-by-step instructions carefully walk you through the most common iOS development tasks. Quizzes and Exercises at the end of each chapter help you test your knowledge. By the Way notes present interesting information related to the discussion. Did You Know? Tips offer advice or show you easier ways to perform tasks. Cautions alert you to possible problems and give you advice on how to avoid them. Author by: John Ray Languange: en Publisher by: Sams Publishing Format Available: PDF, ePub, Mobi Total Read: 31 Total Download: 246 File Size: 50,9 Mb Description: In just 24 sessions of one hour each, learn how to build powerful applications for today’s hottest handheld devices: the iPhone and iPad!

Using this book’s straightforward, step-by-step approach, you’ll master every skill and technology you need, from setting up your iOS development environment to building great user interfaces, sensing motion to writing multitasking applications. Each lesson builds on what you’ve already learned, giving you a rock-solid foundation for real-world success! Step-by-step instructions carefully walk you through the most common iOS development tasks. Quizzes and Exercises help you test your knowledge. By the Way notes present interesting information related to the discussion. Did You Know?

Tips show you easier ways to perform tasks. Cautions alert you to possible problems and give you advice on how to avoid them. John Ray is currently serving as the Director of the Office of Research Information Systems at the Ohio State University. His many books include Using TCP/IP: Special Edition, Maximum Mac OS X Security, Mac OS X Unleashed, Teach Yourself Dreamweaver MX in 21 Days, and Sams Teach Yourself iOS 7 Application Development in 24 Hours. Author by: BJ Miller Languange: en Publisher by: Sams Publishing Format Available: PDF, ePub, Mobi Total Read: 80 Total Download: 605 File Size: 41,9 Mb Description: In just 24 lessons of one hour or less, Sams Teach Yourself Swift in 24 Hours, Second Edition, will teach you how to build next-generation OS X and iOS apps with Apple’s Swift 2 programming language.

This book’s straightforward, step-by-step approach helps you quickly master Swift 2’s core concepts, structure, and syntax and use Swift to write safe, powerful, modern code. In just a few hours you’ll be applying features such as extensions, closures, protocols, and generics. Every lesson builds on what you’ve already learned, giving you a rock-solid foundation for real-world success. Step-by-step instructions carefully walk you through the most common Swift 2 programming tasks. Practical, hands-on examples show you how to apply what you learn. Quizzes and exercises help you test your knowledge and stretch your skills.

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Notes and tips point out shortcuts and solutions. Learn how to. Author by: Jesse Feiler Languange: en Publisher by: John Wiley & Sons Format Available: PDF, ePub, Mobi Total Read: 39 Total Download: 953 File Size: 49,7 Mb Description: If you’ve got incredible iOS ideas, get this book and bring them to life! IOS 7 represents the most significant update to Apple’s mobile operating system since the first iPhone was released, and even the most seasoned app developers are looking for information on how to take advantage of the latest iOS 7 features in their app designs. That’s where iOS App Development For Dummies comes in!

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Whether you’re a programming hobbyist wanting to build an app for fun or a professional developer looking to expand into the iOS market, this book will walk you through the fundamentals of building a universal app that stands out in the iOS crowd. Walks you through joining Apple’s developer program, downloading the latest SDK, and working with Apple’s developer tools Explains the key differences between iPad and iPhone apps and how to use each device’s features to your advantage Shows you how to design your app with the end user in mind and create a fantastic user experience Covers using nib files, views, view controllers, interface objects, gesture recognizers, and much more There’s no time like now to tap into the power of iOS – start building the next big app today with help from iOS App Development For Dummies! Author by: John Ray Languange: en Publisher by: Sams Publishing Format Available: PDF, ePub, Mobi Total Read: 82 Total Download: 107 File Size: 47,5 Mb Description: Covers iOS 6, Xcode 4.5+, iPhone, iPad, and More! Figures and code appear as they do in Xcode 4.5+ In just 24 sessions of one hour each, learn how to build powerful applications for today’s hottest handheld devices: the iPhone and iPad! Using this book’s straightforward, step-by-step approach, you’ll master every skill and technology you need, from setting up your iOS development environment to building great responsive user interfaces, from sensing motion to writing multitasking applications.

Each lesson builds on what you’ve already learned, giving you a rock-solid foundation for real-world success! Step-by-step instructions carefully walk you through the most common iOS development tasks. Activities at the end of each chapter help you test your knowledge.

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Notes present interesting information related to the discussion. Tips offer advice or show you easier ways to perform tasks. Cautions alert you to possible problems and give you advice on how to avoid them.