Malek Kemmou

1
Developing .NET Compact Framework Applications
for PocketPCs Smartphones

• Malek Kemmou
• Microsoft Regional Director for Middle East
  Africa
• kemmou_at_kemmou.com

2
Agenda

• Mobile Devices Today
• Compact Framework
• Developing for devices without noticing the
  difference
• First encounters with device specifics
• God damn PInvoke
• Performance in the device world
• Future the Whidbey device tools

3
Mobile Devices today

• Windows Mobile 2003
• Compact Framework in ROM or supported
• PocketPC
• PocketPC Phone Edition
• SmartPhone
• Other Windows CE devices (mini-Tablets, special
  input card readers / bar code / ,
  accessibility devices, GPS, Radios etc.)

4
More Devices tomorrow

• SPOT Small Portable Object Technology
• Smaller CPU Chips with integrated burst radio
  receivers
• Usage
• Watches, alarm clocks, radio receivers, etc.

5
Developing for devices

• Small footprint programming
• Low memory
• Low performance
• No hard disk
• Device specifics
• Platform targets (CPU an OS)
• Various form factors
• Various functionality (telephony, connectivity,
  phonebook / contacts, etc)

6
I Wish I Could

• Have a RAD environment
• Abstraction of device specifics
• Develop once, deploy everywhere
• Use familiar programming and object models

7
.NET For Devices

• Taking the .NET platform to devices
• .NET Compact Framework
• APIs are subset of full .NET Framework class
  libraries
• Creating .NET tools for devices
• Visual Studio .NET 2003 integrated device support
• Key bets
• Scale .NET down to devices
• Best of connected and disconnected
• Enable great developer productivity
• Creating web applications for mobile devices
• ASP.NET Mobile Controls

8
.Net for devices overview Development Platform
Visual Studio .NET
.NET Framework
Server-side Web Apps
Client-sideRich Apps
Local Code
Remote Web Pages
Mobile Web Browser
.NET CompactFramework
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.NET for Devices.NET Framework
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.NET for Devices.NET Compact Framework
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.NET for DevicesCommon CLR Features

• .NET Compact Framework supports all the core CLR
  features
• Exceptions
• Constructors and Finalizers
• IDisposable
• Remote Debugging
• App Domains
• Applications can start another application domain
  in-process
• COM Interop

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.NET for DevicesWhat isnt included?

• Reflection Emit
• Remoting
• Serialization (Accessing the XMLSerializer)
• Code Dom
• Printing
• COM Interoperability (managed wrappers)
• Server side functionality
• XPath/XSLT

13
Smartphone Support Visual Studio .NET 2003

• Forms designer
• Emulation environment
• Rich debugging experience
• .NET Compact Framework 1.0
• Feature of every Smartphone 2003 device
• Built in support for XML Web Services, Windows
  Forms, XML, ADO.NET and more
• Supports subset of controls
• Integration with native security model
• Additional command-line tools
• CAB creation, configuration, code signing

14
SQL CE Architecture
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SQL CE Supported Platforms

• PocketPC 2002, 2003, Phone Edition
• Managed support
• .NET CF in ROM for Pocket PC 2003
• Native support
• eVC v4.0 via OLEDBCE
• Embedded
• Next release of Windows CE.NET codenamed Macallan
  
• Managed support
• Native support
• eVC v4.0 via OLEDBCE

16
What About Device Specific Functionality !

• Telephony
• SMS Messaging
• Accessing PIM Data
• Accessing the SIM card
• BlueTooth
• Printer drivers

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P/Invoking the genie

• Telephony
• P/Invoke to RequestMakeCall or PhoneMakeCall
• SMS Messaging
• P/Invoke to messaging APIs for sending
• Receiving requires a native component to receive
  the message then pass it out of process to
  managed application
• Accessing PIM Data
• P/Invoke to Pocket Outlook Object Model
• Accessing the SIM card
• P/Invoke to native SIM Toolkit APIs