iPhone App Development Tutorial

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iPhone Training
Lesson 5

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Contents
1 Web Service Architectures
2 SOAP Introduction
3 NSURLConnection
4 NSXMLParser
5 Example 5
6 Exercise 5
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Web services Architecture
SOAP Protocol
Database SOAP Services
XML
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SOAP Introduction
 What is SOAP?
 SOAP stands for Simple Object Access Protocol
 SOAP is a communication protocol
 SOAP is for communication between applications
 SOAP is a format for sending messages
 SOAP communicates via Internet
 SOAP is platform independent
 SOAP is language independent
 SOAP is based on XML
 SOAP is simple and extensible
 SOAP allows you to get around firewalls
 SOAP is a W3C recommendation
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SOAP Introduction
 Why SOAP?
 It is important for application development to allow Internet
communication between programs.
 HTTP is supported by all Internet browsers and servers.
 SOAP provides a way to communicate between applications
running on different operating systems, with different
technologies and programming languages.
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SOAP Introduction
 SOAP Building Blocks
 An Envelope element that identifies the XML document as a
SOAP message.
 A Header element that contains header information.
 A Body element that contains call and response information.
 A Fault element containing errors and status information.
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SOAP Introduction
SOAP Request
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SOAP Introduction
SOAP Response
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NSURLConnection
Request
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NSURLConnection
Delegate
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NSXMLParser
Delegate
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NSXMLParser
XML
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NSXMLParser
XML
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Example 5
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Exercise 5
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