Mobile%20Application%20Development%20using%20Microsoft

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Mobile Application Development using Microsofts
.NET Framework(Masters Seminar)

• by
• Ranjith Lingamaneni

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Contents

• Challenges
• .NET Mobile Architecture
• Microsoft Mobile Internet Toolkit
• How .NET Mobile Web Applications Work??
• Stand-Alone Windows Applications
• Emulators
• Demo
• Conclusion
• Questions

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Challenges

• Varying Configurations
• Browser Languages
• Wireless Network Limitations
• Pagination Session Management

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Varying Configurations

• Memory
• - 2MB to 64MB
• Capabilities
• - Sound , Color displays
• Display Area
• - 128 x 160 to 320 x 480 pixels

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Browser Languages

• compact - HTML
• HTML
• Wireless Markup Language
• Handheld Devices Markup Languages
• VoiceXML

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Wireless Network Limitations

• Limited bandwidth
• - 9.6 Kbps to 11Mbps
• High latency
• Intermittent connectivity

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Additional Challenges

• Pagination
• - additional application logic at server side
• - small pages Vs high latency network
• Session management
• - no client side cookies support
• - additional server side logic

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.NET Mobile Architecture
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Microsoft Mobile Internet Toolkit

• Mobile Web Form Controls
• - extended versions of web form controls
• - specific controls
• Mobile Internet Designer
• - extends Visual Studio . NET
• Device Capability Mechanism
• - machine.config with device specific details

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Advantages

• support for variety of devices
• write-once web pages
• world-class tool support
• customizability
• extensibility

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How .NET Mobile Applications Work??
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How .NET Mobile Applications Work??
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How .NET Mobile Applications Work??
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How .NET Mobile Applications Work??
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Stand Alone Mobile Applications

• Miniature windows desktop applications
• .NET Compact Framework
• - CLR implementation
• Operating Systems that supports .NET CF
• - Pocket PCs
• - Windows Mobile 2003
• - smartphone 2003

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Comparison of .NET Compact Framework with .NET
Framework

• CLR for .NET CF is 12 of .NET framework
• .NET CF supports only VB and C
• Data Providers like OleDb, ODBC not supported in
  .NET CF
• SqlServerCe data provider for SQL Server 2000
  Windows CE provided in .NET CF

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Comparison of .NET Compact Framework with .NET
Framework

• .NET CF has additional form support with
  WindowsCE.Forms
• COM Interop, Enterprise services, .NET Remoting
  are not supported in .NET CF
• .NET CF includes Classes for Infrared Data
  Association and specific device components

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Benefits of .NET Compact Framework

• Offline Capabilities
• Rich User Interface
• Responsive User Interface
• Device Support
• XML and Web services support

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Emulators

• Mobile Web Applications
• - Microsoft Mobile Explorer 3.0
• - Ericsson WAP Toolkit 3.1
• - Nokia WAP Toolkit 3.1
• Stand Alone Mobile Applications
• - Pocket PC 2002 Emulator
• - Windows Mobile 2003 Emulator

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Demo

• Mobile Web pages with Mobile Explorer 3.0
• Mobile windows text editor with Pocket PC 2002
  Emulator

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Conclusion

• .NET provides excellent support for developing
  mobile web applications for diverse mobile
  devices
• .NET Compact Framework supports development of
  stand alone windows based applications for high
  processing power devices
• .NET abstracts some challenges faced in mobile
  application development from developer

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References

• Andy Wigley and Peter Roxburgh, Building
  Microsoft ASP.NET Applications for Mobile
  Devices, Microsoft Press, 2003
• Mobile Application Toolkit 2004 Documentation
  (http//msdn.microsoft.com/mobility/thekit/)
• Microsoft Mobile Internet Toolkit (MMIT)
  Documentation (http//www.microsoft.com/downloads/
  details.aspx)
• Architecture of Mobile ASP.NET Web Applications
  (http//www.asp.net/mobile)
• Donis Marshall, .NET Security Programming,
  Wiley Publishers, 2003

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Acknowledgement

• Dr. Mitchell Neilsen
• Dr. Gurdip Singh
• Dr. Masaaki Mizuno

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• Questions???