Google announced Android Studio at the keynote of Google I/O 2013. Android Studio is an Android focused IDE based on the community edition of IntelliJ IDEA.
In the keynote you can see some really nice features as:
- Externalized Strings and used icons are displayed in the code editor
- Layouts are rendered beside the editor
- Rendering of Layouts for different screen sizes or languages
You can find more information and an “Early Access Preview” on the Android Developers Website.