iPhone & Java Web Services

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Information about iPhone & Java Web Services
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Published on December 29, 2008

Author: programr

Source: slideshare.net

Description

A first-steps intro to Java Web Services and their role with iPhone applications. We code an iPhone app and connect it to Java Web Services and discuss how they are already playing together in today's commercial iPhone app market.

iPhone Development and Java Web Services 101 a Practical Tour And Demo Matthew McCullough, Ambient Ideas, LLC

Thanks for calling to upgrade your DSL

What operating system do you use?

Mac OS

Is that before or after Vista?

...umm

I’d say, about 10 years after

Ok, thanks for confirming that sir.

Why the iPhone?

Overtaken Blackberry in sales

even Overtaken Moto RAZR in sales

2,000,000 apps sold as of Oct 21, 2008

Why Web Services?

Web Service Languages ★Java ★Perl ★.NET ★Python ★Ruby ★C ★PHP

Independent of platform Consumed by any type of app •Desktop •RIA •Headless

Nearly EVERY app is becoming network aware

Java Web SOAP/REST/HTTP iPhone Services Objective C

Java Web Services

JWS Tools •IntelliJ •NetBeans •Native support •SOA Plugin •Eclipse •Maven •SOA Plugin •Axis Archetype

RESTful vs SOAPful

SOAP

REST http://localhost/drawing/

Java Web Service Servers • JAX-WS • Axis • JAX-RS • JSR311, Glassfish component “Jersey” • Java 6 • Local HTTP server • APT, or BARE needed for SOAP

iPhone Objective C

iPhone Dev Process Free Membership • SDK • Simulator Paid Membership • Provisioning • Deploy to Dev Device • Digitally Sign Apps • App Store

iPhone Dev Tools • Dashcode = JavaScript •Interface Builder, NIBs •XCode

Objective C • No Garbage Collector • GC only on Mac OSX Desktop • Manual Release of Memory •C with Objects

Objective C REST • Minimal Parsing • Text Based (Primarily) •Simple HTTP request • Changing of request types • @GET, @POST, @PUT

iPhone REST Demo

Objective C XML • SOAP • Heavy Wrappers, Headers, No Libs • Help with XML Parsing • NSXMLParser API

iPhone SOAP Demo

Other dev Tools

•SOAPui •Apache TCPMon •TCPDump •Firefox Poster •Netbeans WS/REST Tester

What’s next • Java • Native? Sun has promised • Flash • Native? Adobe has pledged • JavaFX • Does anyone care • Let’s get it on the desktop first (Dec 2)

Takeaways • iPhone Dev is Challenging • Application process painful • Manual memory management • Cryptic APIs • Java Web Services are Easy • Minimal Gotchas • Rest vs SOAP decisions

Q&A Email questions to: MatthewM@AmbientIdeas.com Slides & Source Code at: www.AmbientIdeas.com/engineering/engineering-presentation.html

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