Android 3.0 (Honeycomb) included user-interface improvements specifically for large-screen devices (e.g., tablets), such as a redesigned keyboard for more efficient typing, a visually appealing 3D user interface, easier navigation between screens within an app and more. New Android 3.0 developer features included:
• fragments, which describe portions of an app’s user interface and can be combined into one screen or used across multiple screens
• a persistent Action Bar at the top of the screen providing users with options for interacting with apps
• the ability to add large-screen layouts to existing apps designed for small screens to optimize your app for use on different screen sizes
• a visually attractive and more functional user interface, known as “Holo” for its holographic look and feel
• a new animation framework
• improved graphics and multimedia capabilities
• ability to use multicore processor architectures for enhanced performance
• increased Bluetooth support (e.g., enabling an app to determine if there are any connected devices such as headphones or a keyboard)
• and an animation framework for animating user-interface or graphics objects.
For a list of Android 3.0 user and developer features and platform technologies, go to
http://developer.android.com/about/versions/android-3.0-highlights.html
.