This talk discusses responsive mobile design for Android applications. It emphasizes starting with the same content and hierarchy across different screen sizes and adapting the layout through switching points and margin points. The key is allowing the same content and functionality while making optimal use of screen space through techniques like synchronized scrolling, scroll-to-snap, and dynamically adjusting font sizes and dialogs. Responsive design ensures a quality experience across the wide variety of Android devices.
30. new resource selectors
in Android 3.2
http://developer.android.com/guide/practices/screens_support.html
• width dp. For example, -w600p
• height dp. For example, -h600dp
• smallest width dp*. For example, -sw600dp
* “survives” device orientation