On 9th February 2017, Google announced the 2nd developer preview of Android Things, this preview includes new features and bug fixes which are based on developer feedback.
This Developer Preview is supported for Internet-of-Things platforms.The new features include adding support for USB Audio to the Hardware Abstraction Layer for the Intel Edison and Raspberry Pi 3.It supports for the Intel Joule platform, which offers most computing power the line-up to date.
To make the work of developers easy it has also released a library for providing native access to the Peripheral API.By Creating User Drivers in their APK, the developers can easily bind them into Framework.
A repository of user drivers is maintained by Android Things for interfaces such as the display, sensor, and bugs. The Developers can create their own drivers and also share them with the community.
Easily Deploying machine learning and computer vision is the most important feature of Android Thing. “We have created a highly requested sample that shows how to use TensorFlow on Android Things devices. This sample demonstrates accessing the camera, performing object recognition and image classification, and speaking out the results using text-to-speech (TTS)”, as Posted by Wayne Piekarski, Developer Advocate for IoT
Source: Android Developers Blog