| page.title=Best Practices for User Interface | |
| page.trainingcourse=true | |
| @jd:body | |
| <p>These classes teach you how to build a user interface using Android layouts for all types of | |
| devices. Android provides a flexible framework for UI design that allows your app to display | |
| different layouts for different devices, create custom UI widgets, and even control aspects | |
| of the system UI outside your app's window.</p> |