ID-ObjectiveConference 2012 - Introduction to iOS Development

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Introduction to iOSDevelopmentAndri YadiCEO, DyCode@andri_yadia (at) dycode (dot) com

History of Mobile Devices Before iPhone After iPhone 1988 2007 2010 ?Motorolla 4500x iPhone iPad

How’s iPhone changed the mobile industry?

The face of smartphone will never be the same again

Before iPhone After iPhone

iPhone changed apps distribution

develop test distributedevelop test distribute developer, developer, developer!

multi-touch & gesture interfaceMulti-touch & gesture interface

iPhone kills physical keyboard & stylus

addiction to sensors

Launchpad Natural scrolling Multi-touch Full-screen apps gesture Mac App Store Resume Auto save MailiPhone (iOS) changed Mac & (possibly) desktop computing

iOS Devices

http://developer.apple.com/ios

Xcode iOS Simulator iOS Developer Library

Required Stu s

Latest iOS SDK

Optional Stu s

Actual iOS devices

For debugging to device & deployment to AppStore

Some development stuffs

Objective-CC + OOP ≠ C++

Model-View-Controller design pattern

NowPlayingControllerNowPlaying NowPlayingView Model-View-Controller design pattern

Memory Management Reference countingNo garbage collector support (yet) Autorelease Pool

Enable apps to store user documents and key value data Push changes to all user’s computers and devicesStorage

Easily integrate Tweet SheetAccess system-wide Twitter accountfrom within appWrap OAuth request & response

Memory management becomes compiler’s job No need to deal with retain & release by yourself Manually enabled in Xcode It’s NOT a garbage collector!Automatic Reference Counting (ARC)

Layout the app’s work ow & design user interfaces Specify transitions & segues between views Can be loaded dynamicallyStoryboard

Image processing framework nally comes to iOS Provides built-in lters: color e ect, distortions, transitions Advanced features: red-eye reduction, face recognitionCoreImage

Take advantage of the latest hardwareGLKit: new high-level frameworkApple-developed OpenGL ES extensions

Development Goodies

Cocoa TouchFoundation, UIKit, Multi-Touch Gestures

GraphicsCore Graphics, Core Animation, Core Image, Core Text, OpenGL ES

Audio & VideoMedia player, Core Audio & OpenAL, iPod library, HTTP Live Streaming

CoreDataDatabase, Object-Relational Mapping, optimized for mobile - > 1 million objects store

NetworkingBonjour, Peer to peer, WebKit framework, BSD socket

Core Location & MapKit

MultitaskingNew kind of multitasking

External display support

AirPrintWireless printing to AirPrint-enabled printers. Hack available

Push & Local Notification

Game CenterSocial gaming platform

iAdIntegrated advertising platform

In-App PurchasePayment inside applications

DYCODE IS HIRING!

If you think you’reawesome, either mobiledeveloper guru or stillearly learner, send yourawesome CV to:hrd@dycode.com

Have a great conference!

ID-ObjectiveConference 2012 - Introduction to iOS Development

by Andri Yadi

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