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OrbWorks Community Forum • View topic - Access to Palm OS System Calls
Page 1 of 1

PostPosted: Wed Apr 10, 2002 3:03 am
by whiteside
EXCELLENT product.

will we be able to use an/or make native libraries. so that i we can get access to the IR port, printer drivers etc.

Looking forward to the production release.

THX



-----
Stewart Whiteside

<i>"And in news just to hand, scientists have discovered the meaning of life.
It's that thing people have when they're not in the lab discovering stuff."</i>

PostPosted: Thu Apr 18, 2002 3:02 am
by dewey
Native add-ins will be supported in version 1.5. These will be similar to PocketC's native libraries, but more flexible. For example, add-ins can be embedded in standalone apps.

PostPosted: Fri May 10, 2002 3:37 pm
by design4use
How are those native add-ins generated? Do they allow access to new APIs that come new versions of the PalmOS?
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<BLOCKQUOTE id=quote><font size=1 face="Verdana, Arial, Helvetica" id=quote>quote:<hr height=1 noshade id=quote>
Native add-ins will be supported in version 1.5. These will be similar to PocketC's native libraries, but more flexible. For example, add-ins can be embedded in standalone apps.


<hr height=1 noshade id=quote></BLOCKQUOTE id=quote></font id=quote><font face="Verdana, Arial, Helvetica" size=2 id=quote>

PostPosted: Fri May 10, 2002 8:55 pm
by Admin
Hi Mr. Design4Use:

A native library is written in C or C++, and have access to all Palm APIs.

For example, some of the new sony clio devices model offers some special features
for mp3 playing, digital video recording etc. It would make sense to wrap these
functionality into a small native library and expose them through a few OrbForms objects.
maybe sonyclie object has a few methods like playmp3(), recordvideo() etc.
in your program, you can do things like

sonyclie mypalm;
mypalm.playmp3(...);

The function call in your application will invoke a function in this native library, which calls the lower level functions.

Hopefully this example explains why we need native library access, and how we can use it to make our life easier.