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Incorporating XML with Mobile Devices and ASP.NET

casey chesnutbrains-N-brawn.com4/4/2005

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Sample Code

http://www.brains-N-brawn.com/artifacts/saXmlCfAsp.zip

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Outline

BasicsReal World Web ServicesAdvancedFuture

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XML Web Services

ASP.NETNOT Remoting

ASMX Web ServicesNOT Web Forms

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Core Standards

XML - document modelXSD - data types and structureSOAP - communicationWSDL - descriptionUDDI – discovery…

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ASP.NET Web Service

DemoCodeAutogenerated test pageAutogenerated WSDL

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Mobile Devices

.NET FrameworkNotebooksTablet PCs

.NET Compact Framework (CF)Pocket PCPocket PC Phone EditionSmartphones

.NET EmbeddedSPOT Watches

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Compact Framework Client

Demo

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Compact Framework Client

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Gotchas

Check for connectivityhttp://localhost URLs will not work

Use Machine Name or IP Address insteadInstall Loopback Adapter

When developing without internet connection

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User Experience

Cache dataDisplay the hourglassUse asynchronous calls

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Soap Document

<soap:Envelope ...> <soap:Header> <SecurityToken>1234</SecurityToken> </soap:Header> <soap:Body> <StockQuoteRequest ...> <symbols> <Symbol>FABRIKAM</Symbol> <Symbol>CONTOSO</Symbol> </symbols> </StockQuoteRequest> </soap:Body></soap:Envelope>

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Serialization Attributes

Used to shape object serialization[XmlRoot()][XmlElement()][XmlAttribute()][XmlText()]

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Soap Headers

Work with SoapHeaders as objectshttp://msdn.microsoft.com/library/default.asp

?url=/library/en-us/cpref/html/frlrfsystemwebservicesprotocolssoapheaderclasstopic.asp

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Soap Extensions

Work with the request / response Xml

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Soap Extension

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Real World Web Services

Google APIMapPoint Web ServiceTerraServerMicrosoft.comAmazoneBay / PayPalFedEx

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MapPoint

Demo

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Advanced Web Services

WSEWS-*Hosting Web Services

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WSE

Web Service EnhancementsWS-AddressingWS-SecurityWS-SecureConversationWS-Attachments

WSE for CFhttp://www.OpenNETCF.orghttp://www.brains-N-brawn.com/cfWSE2/

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WSE for CF

Sample WS-Security requests

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Hosting Web Services

Monash University Mobile Web Serverhttp://msdn.microsoft.com/library/

default.asp?url=/library/en-us/dnnetcomp/html/netcfma.asp

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WS-*

WS-ReliableMessaging http://www.brains-N-brawn.com/cfReliable/

WS-Eventing http://www.brains-N-brawn.com/cfEvent/

WS-AtomicTransaction, WS-Coordination, WS-BusinessActivity

WS-Federation, WS-Privacy, WS-Authorization

BPEL4WS …

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Future

Compact Framework v2Visual Studio 2005

IndigoASMX Replacement

Devices ProfileWS-DiscoveryUPnP 2.0 devices

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Questions

casey@brains-N-brawn.com