Design

System icons symbolize common actions, files, devices, and directories.

A comprehensive resource for sizing, resolution, and more across multiple devices.

access core functions on Android, iPhone and Blackberry using JavaScript - phonegap/phonegap

What are Android Icon Sizes? Our icon design team provide this guide on Android Launcher Icon Sizes, Action Bar Icons, Contextual & Notification Icons sizes

Standard photographic print sizes are used in photographic printing. Cut sheets of paper meant for printing photographs are commonly sold in these sizes.

There have been many standard sizes of paper at different times and in different countries, but today there are two widespread systems in use: the international standard (A4 and its siblings) and the North American sizes.