= Example applications =

BOINC provides several example applications
in the [SourceCode boinc_samples] SVN module.
See the [CompileApp instructions for building BOINC applications].

The example applications are:

 * '''example_app''': a full-featured example BOINC application. The application does things (like checkpointing and graphics) that can be tricky or confusing. You can use it as a template for your own BOINC application; just rip out the computation part (which is trivial) and replace it with your code.

 You can run the application standalone. Create a file 'in' in the directory where you run it; it will convert it to upper case and write it to 'out', and use 20 seconds of CPU time.
 You can also run the graphics app standalone; it will show a bouncing 3D ball. If you copy the files `boinc/txf/Helvetica.txf` and `boinc_samples/uppercase/logo.jpg` to the directory where it runs, you'll also see an image and some nice-looking text (thanks to Tolu Aina for the latter).
 * '''wrapper''': used to support [WrapperApp legacy applications].
 * '''worker''': a representative legacy application (i.e. it doesn't use the BOINC API or runtime library). Used for testing wrapper.
 * '''sleeper''': test application for non-CPU-intensive projects (used for testing the BOINC core client).