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Release Notes

This document outlines issues and fixes related to each release of the Android Things developer preview. We are committed to providing regular updates to developers, and aim to have new preview releases approximately every 6-8 weeks.

Please file tickets in the Android issue tracker for issues discovered in the system, hardware support, and documentation:

To ask questions and discuss ideas with other developers working on Android Things, join the IoT Developers Google+ community.

Developer Preview 2

Date: February 2017
Build Number: NIG40

Preview APIs Javadoc reference.

This preview release is for developers and early adopters to use for development and compatibility testing on supported hardware platforms. Please note the following general guidelines about the preview:

New in Preview 2

Intel Joule support

Android Things is now supported on the Intel® Joule compute module. Learn more about this device and its capabilities on the developer kits page.

Native peripheral API

Access to peripheral I/O from C/C++ code is now supported using the Native PIO library for the Android NDK. Explore the new Native PIO sample on the samples page to get started.

USB audio support

Devices without on-board analog audio capabilities now support USB microphones and speakers for audio recording and playback. For Preview 2, this includes the following platforms:

TensorFlow sample

We have created a 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).

Visit the samples page to learn more.

Peripheral manager reporting

Developers can now inspect the state of active peripheral ports on the device during development and debugging using the dumpsys command:

$ adb shell dumpsys com.google.android.things.pio.IPeripheralManager

Known Issues

Peripheral I/O

User Drivers

Edison

Joule

Pico

Raspberry Pi

Developer Preview 1

Date: December 2016
Build Number: NIF73/NIF74

Preview APIs Javadoc reference.

This preview release is for developers and early adopters to use for development and compatibility testing on supported hardware platforms. Please note the following general guidelines about the preview:

Known issues

Peripheral I/O

User Drivers

Edison

Pico

Raspberry Pi

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