Derek FernholzDeveloper

@fernholz

derek@blendinteractive.com

A COMPREHENSIVE OVERVIEW

Intro to iOS Development

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WHAT YOU NEED TO GET STARTED

The Necessities

• Mac (in our case, running Mac OS X 10.7 or higher)• XCode 4.5+• iOS SDKs• Familiarity with or willingness to learn Object Oriented

Programming

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LEARNING TO LOVE [ ]

Language - Objective-C

• The Objective-C language is a simple computer language designed to enable sophisticated object-oriented programming.

• Knowing or having an understanding of C will help you understand this language

• It is a C superset based and built on Smalltalk

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A ONE-STOP SHOP

The IDE

• (Live Demo / Walkthrough)

4

THE BASICS

Class Structure

• Interface vs. Implementation• Instance vs. Class• Instance Variables, Properties, Setters & Getters, and

Synthesizing

5

YOU’LL GET USED TO IT

Syntax

• NSString *string = [NSString string]• [NSString stringWithFormat:[prefs format]];• return [object name] (same as) return object.name• More as we dive into the code

6

WHY YOU’LL LOVE ARC

Memory Management

• Retain and Release• Alloc and Dealloc• Nil

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EXTENDING WITHOUT EXTENDING

Categories

• Add methods to a class without subclassing it• Gives ability to override or add functionality to classes blindly

and with ease• @interface NSString (Utilities)• - (BOOL) isURL;• @end

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STORYBOARDS, XIBS, OR ?

View Layer

• Storyboard• XIBs (NIBs)• IBOutlets• IBActions• (Show the people)

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WE’LL DO IT LIVE

Lets Code Something

• (Heads to XCode)

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THE OLD STANDARD FINAL SLIDE

Questions and Contact

• Q&A Session

• @fernholz• derek@blendinteractive.com or fernholz@gmail.com• World Beer Tour App in iTunes App Store (shameless plug)• https://github.com/fernholz/CodeCamp12

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