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Palm OS Programming, 2nd Edition
book

Palm OS Programming, 2nd Edition

by Julie McKeehan, Neil Rhodes
October 2001
Intermediate to advanced content levelIntermediate to advanced
704 pages
19h 33m
English
O'Reilly Media, Inc.
Content preview from Palm OS Programming, 2nd Edition

Conduit Development

If you are creating a conduit for your Palm application, you need to do so on Macintosh or Windows using Palm’s Conduit SDK. The Conduit SDK comes with the following:

  • Header files

  • Libraries

  • DLLs

  • Frameworks

  • Source code for sample conduits

What Is a Conduit?

Under Windows, a conduit is a dynamic link library (DLL) that is called when a HotSync occurs. An install DLL is provided for you to register your conduit with HotSync. On Mac OS, a conduit is a shared library.

Conduits have access to databases on the Palm OS. The Sync Manager handles the complexities of communication; it is not your concern. You simply call routines to read and write records in the database. The Sync Manager handles the communication protocol.

Using C/C++

In order to develop conduits for Windows, use a compiler that can generate 32-bit DLLs (the compilers supported by Palm are Visual C++ 6.0 or Metrowerks CodeWarrior for Windows). For Mac OS, you can use any development environment that has the ability to create shared libraries (CodeWarrior for Mac OS is a likely candidate).

C++ classes that simplify creating a synchronization conduit are provided by Palm (Generic Conduit Framework). These C++ classes are the basis of a number of sample conduits. As your application’s syncing needs differ from what is provided by the Generic Conduit Framework, the C++ classes become less useful, and you might wish to consider reverting to the underlying C/C++ Conduit Manager API to make things work properly.

Using ...

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Publisher Resources

ISBN: 1565928563Errata Page