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Lynda.com推出的由Simon Allardice主讲的时长5小时59分的Objective-C基础教程，使用IDE为Xcode 4，从C类语言的基础（变量，函数，循环，判断等）到Objective-C独特的语言特性以及面向对象的思想。其中还涉及了Objective-C中的内存回收，异常处理等以及Xcode 4的基本界面和操作。适合了解编程思想的初级用户进行学习，并不需要非常了解C语言。由于介绍的是基础的语言特性，因此仅仅涉及了命令行中基础框架（Foundation.framework）的运用，没有涉及到Cocoa等更高级框架的应用。本教程附带练习文件。

Objective-C是开发Mac应用程序以及iOS App的首选语言。

Course Summary

Course name:Objective-C Essential Training

Author:Simon Allardice

Duration:05h 59m

Released on:3/24/2011

Exercise files:Yes

Level: Beginner

Description

In Objective-C Essential Training, Simon Allardice provides a nuts-and-bolts overview of this popular language for application development for the Mac, the iPhone and iPad, with instructions for building a basic application using Objective-C and Xcode 4. The course shows how to download and install the development tools, covers every major feature of the language, and walks through the writing, compiling, and debugging stages of development. Programmers will also learn about memory management, a vital aspect of programming in Objective-C and Apple’s Foundation framework. Exercise files are included with the course.

Topics include:

Understanding the structure of an Objective-C program

Logging messages to the command line

Writing conditional code

Working with variables, classes, and functions

Creating code loops

Using existing classes in the Foundation framework

Managing memory usage

Creating custom classes

Working with arrays

Reading and writing strings

Understanding inheritance and NSObject

Using Categories and Protocols

Compiling and debugging code

Writing exception handlers

Introduction 03m 49s
Welcome 01m 07s
What you should know 01m 43s
Using the exercise files 00m 59s
1. Getting Started 18m 40s
Installing the tools 04m 38s
Creating your first application 07m 15s
Introduction to Xcode 06m 47s
2. Objective-C Basics 19m 03s
The Objective-C language 04m 11s
The structure of an Objective-C program 06m 15s
Compiling and running your code 08m 37s
3. Program Flow 54m 38s
Logging messages to the command line 06m 07s
Writing conditional code 07m 01s
The switch statement 05m 58s
Code snippets 05m 15s
Operators and expressions 11m 08s
Loops 08m 53s
Functions 10m 16s
4. Variables 49m 04s
Data types 07m 06s
Working with numbers 09m 33s
Working with characters 04m 39s
Variable scope 08m 06s
Enumerations 03m 35s
Using typedef 02m 17s
Preprocessor directives 05m 56s
Working with strings 07m 52s
5. Classes 29m 38s
Introduction to object orientation 07m 36s
Using objects and pointers 06m 38s
Messages and methods 06m 44s
Using existing classes in the foundation framework 08m 40s
6. Memory Management 23m 22s
Memory management 06m 58s
Object creation 07m 31s
Using autorelease pools 05m 14s
Apple autoreleased objects 03m 39s
7. Custom Classes 32m 55s
Creating your own classes 11m 32s
Defining methods 06m 39s
Defining properties 06m 14s
Defining initializers 06m 20s
Using dealloc 02m 10s
8. Collections 24m 34s
Working with C-style arrays 07m 12s
Working with Objective-C array objects 08m 00s
Using dictionaries 05m 55s
Fast enumeration 03m 27s
9. File Management 31m 20s
Introduction to file management in Objective-C 06m 44s
Working with paths and URLs 07m 17s
Reading and writing strings 04m 38s
Archiving objects 12m 41s
10. More Complex Classes 31m 31s
Inheritance and NSObject 08m 13s
Extending classes with categories 06m 31s
Defining protocols 05m 14s
Dynamic typing 11m 33s
11. Debugging 31m 55s
Common compile errors 05m 33s
Common compile warnings 08m 24s
Common run-time errors 05m 46s
Exception handling with try/catch 04m 53s
Breakpoints and debugging 07m 19s
Conclusion 09m 20s
Exploring and using other frameworks 08m 58s
Goodbye 00m 22s
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