[This post is by Dianne Hackborn, a Software Engineer who sits very near the exact center of everything Android. — Tim Bray] An important goal for Android 3.0 is to make it easier for developers to write applications that can scale across a variety of screen sizes, beyond the facilities already available in the platform: Since the beginning, Android’s UI framework has been designed around the use
![The Android 3.0 Fragments API](https://cdn-ak-scissors.b.st-hatena.com/image/square/f0e8593f23d32fecba16502d89f60d878a1000ba/height=288;version=1;width=512/http%3A%2F%2F1.bp.blogspot.com%2F-0lixjafbNTw%2FUzc9WKrDS6I%2FAAAAAAAAALI%2FwRoIsam4HTs%2Fs400%2FIMG_0089.jpg)