Android 3.1 SDK Download

Google is now offering Android 3.1 Honeycomb SDK that brings quite a few API changes out of which most revolve around USB host and USB connectivity. This includes the just announced the Open Accessory system as well.

android_3-1_sdk_download

Here is an excerpt from Google Android developer page (download link on that page).

A USB device is a piece of connected hardware that depends on the Android-powered device to serve as host. For example, most input devices, mice, and joysticks are USB devices, as are many cameras, hubs, and so on.

A USB accessory is a piece of connected hardware that has a USB host controller, provides power, and is designed to communicate with Android-powered devices over USB, A variety of peripherals can connect as accessories, from robotics controllers to musical equipment, exercise bicycles, and more.

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