This page contains a list organized by platform and technology of sample code and tips for fellow software developers. Most of what we have here has been developed by us as we create our software and are mostly items that we couldn’t find anywhere else so we hope that they will help out the wider developer community by being accessible here. Please give us feedback on these items, especially if they helped you with your own development.

Cocoa Touch

Quartz Drawing

• LineSample: A sample that shows how to do hit detection on lines. Some context for this sample app can be found in the Hit Detection When Drawing Lines in iOS question on StackOverflow (asked by a Tenseg developer).