Programming For Mac Os X Tutorial

This document is the starting point for learning how to create Mac apps. It contains fundamental information about the OS X environment and how your apps interact with that environment. It also contains important information about the architecture of Mac apps and tips for designing key parts of your app.

At a Glance

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Cocoa is the application environment that unlocks the full power of OS X. Cocoa provides APIs, libraries, and runtimes that help you create fast, exciting apps that automatically inherit the beautiful look and feel of OS X, as well as standard behaviors users expect.

Cocoa Helps You Create Great Apps for OS X

You write apps for OS X using Cocoa, which provides a significant amount of infrastructure for your program. Fundamental design patterns are used throughout Cocoa to enable your app to interface seamlessly with subsystem frameworks, and core application objects provide key behaviors to support simplicity and extensibility in app architecture. Key parts of the Cocoa environment are designed particularly to support ease of use, one of the most important aspects of successful Mac apps. Many apps should adopt iCloud to provide a more coherent user experience by eliminating the need to synchronize data explicitly between devices.

Relevant Chapters:The Mac Application Environment, The Core App Design, and Integrating iCloud Support Into Your App

Common Behaviors Make Apps Complete

During the design phase of creating your app, you need to think about how to implement certain features that users expect in well-formed Mac apps. Integrating these features into your app architecture can have an impact on the user experience: accessibility, preferences, Spotlight, services, resolution independence, fast user switching, and the Dock. Enabling your app to assume full-screen mode, taking over the entire screen, provides users with a more immersive, cinematic experience and enables them to concentrate fully on their content without distractions.

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Relevant Chapters:Supporting Common App Behaviors and Implementing the Full-Screen Experience

Get It Right: Meet System and App Store Requirements

Configuring your app properly is an important part of the development process. Mac apps use a structured directory called a bundle to manage their code and resource files. And although most of the files are custom and exist to support your app, some are required by the system or the App Store and must be configured properly. The application bundle also contains the resources you need to provide to internationalize your app to support multiple languages.

Finish Your App with Performance Tuning

As you develop your app and your project code stabilizes, you can begin performance tuning. Of course, you want your app to launch and respond to the user’s commands as quickly as possible. A responsive app fits easily into the user’s workflow and gives an impression of being well crafted. You can improve the performance of your app by speeding up launch time and decreasing your app’s code footprint.

Relevant Chapter:Tuning for Performance and Responsiveness

How to Use This Document

This guide introduces you to the most important technologies that go into writing an app. In this guide you will see the whole landscape of what's needed to write one. That is, this guide shows you all the 'pieces' you need and how they fit together. There are important aspects of app design that this guide does not cover, such as user interface design. However, this guide includes many links to other documents that provide details about the technologies it introduces, as well as links to tutorials that provide a hands-on approach.

In addition, this guide emphasizes certain technologies introduced in OS X v10.7, which provide essential capabilities that set your app apart from older ones and give it remarkable ease of use, bringing some of the best features from iOS to OS X.

To work through a tutorial showing you how to create a Cocoa app, see Start Developing Mac Apps Today.
For information about user interface design enabling you to create effective apps using OS X, see OS X Human Interface Guidelines.
To understand how to create an explicit app ID, create provisioning profiles, and enable the correct entitlements for your application, so you can sell your application through the Mac App Store or use iCloud storage, see App Distribution Guide.
For a general survey of OS X technologies, see Mac Technology Overview.
To understand how to implement a document-based app, see Document-Based App Programming Guide for Mac.

Best Os For Programming

Lesson 1: All About OS X

What is OS X?

This tutorial is no longer updated and may be out of date. We recommend using the current version, macOS Basics.

OS X (pronounced O-S ten) is an operating system designed by Apple. The operating system is what allows you to use a computer. OS X comes preloaded on all new Apple Macintosh computers (commonly known as Macs).

OS X makes it possible to complete all kinds of everyday tasks on your computer—for example, you can use OS X to browse the Internet, check your email, edit digital photos, listen to music, and play games.

OS X is also used in some offices because it gives you access to productivity tools such as calendars, word processors, and spreadsheets.

Earlier versions of Mac OS have been around since the mid-1980s. Apple released the first version of OS X in 2001. There have been many versions of OS X since then, but the most recent ones include HighSierra (to be released in 2017), Sierra (2016). El Capitan (2015), and Yosemite (2014).

In recent versions, Apple has rebranded OS X as macOS (for example, macOS Mojave). However, the interface is still very similar, and for most purposes the terms OS X and macOS can be used interchangeably.