Welcome to the Internet of Things with Google! Whether you are a device creator prototyping a new design for production, or a hobbyist looking for an introduction to the Android Things API, you've come to the right place. It's time to get your Android enabled hardware working with Google services.
Android Things is an Android-based OS that supports new embedded single board computer like the Raspberry Pi 3 and introduces a new set of Hardware API for Android to access GPIO, SPI, I2C, PWM and UART peripherals.
Github org for samples and drivers: https://github.com/androidthings
Google+ community: https://g.co//iotdev
Stackoverflow tag: https://stackoverflow.com/questions/tagged/android-things