Learn about Android Things and how to quickly develop for the Internet of Things with Google's newest Android form factor.

1. Android Things
Quickly Develop for IoT
+PaulTrebilcoxRuiz
@PaulTR88

3. Android SDK Android Studio Play Services Firebase Cloud
Platform

6. Automatic
Security Updates
Signed Images Verified Boot
A/B Rollback
Protection

8. SoM
Architecture
Google
Managed BSP

9. Hardware is Hard

10. Simplified Certification and Testing

11. “How much electronics
knowledge do I need to get
started?”

12. ● Tons of tutorials online
● Android Things community
● Start a project, learn as you go

13. GPIO
PWM
I2C
SPI
I2S
Peripheral I/O
UART

14. GPIO
PWM
I2C
SPI
I2S
Audio
Input
Sensors
Peripheral I/O
User Drivers
GPS
UART

15. GPIO
PWM
I2C
SPI
I2S
Audio
Input
Sensors
Peripheral
Driver
Library
Peripheral I/O
User Drivers
GPS
UART

16. Displays are Optional
Consider Alternate UI

17. ● Analog to Digital Converter (ADC)
● Microcontroller Unit (MCU)
● Shift Register
● So many more
Integrated Circuits (chips)

18. ● Camera 2 API
● Text to Speech
● Audio recording
● WiFi & Bluetooth
● Data storage
● Support library
● Animations
Android Framework

19. ● Database + Firestore
● File storage
● Analytics
● Cloud functions
● Messages
● Default values
● Authentication*
● No UI elements
Firebase

20. ● Mobile vision
● Awareness
● Fit
● Activity recognition
● Nearby
● Casting
● Trimmed UI components
Google Play Services

21. ● IoT Cloud
● Pub/Sub
● Cloud vision
● Speech processing
Google Cloud Platform

22. ● Assistant SDK
● Google Actions
● DialogFlow (formally API.AI)
● TensorFlow
Machine Learning

23. Blink
The Hello World of Electronics

25. dependencies {
provided 'com.google.android.things:androidthings:0.4-devpreview'
}
build.gradle

26. AndroidManifest.xml
<application ...>
<uses-library android:name="com.google.android.things"/>
<activity android:name=".MainActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN"/>
<category
android:name="android.intent.category.IOT_LAUNCHER"/>
<category android:name="android.intent.category.DEFAULT"/>
</intent-filter>
</activity>
</application>

27. private static final int INTERVAL_BETWEEN_BLINKS_MS = 1000;
private Handler mHandler = new Handler();
private Gpio mLedGpio;
private boolean mLedState = false;
MainActivity.java - Globals

28. @Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
PeripheralManagerService service = new PeripheralManagerService();
try {
mLedGpio = service.openGpio("BCM6");
mLedGpio.setDirection(Gpio.DIRECTION_OUT_INITIALLY_LOW);
mHandler.post(mBlinkRunnable);
} catch (IOException e) {}
}
MainActivity.java - onCreate()

29. private Runnable mBlinkRunnable = new Runnable() {
@Override
public void run() {
try {
mLedState = !mLedState;
mLedGpio.setValue(mLedState);
mHandler.postDelayed(mBlinkRunnable,
INTERVAL_BETWEEN_BLINKS_MS);
} catch (IOException e) {}
}
};
MainActivity.java - Blinking Handler

30. @Override
protected void onDestroy() {
super.onDestroy();
mHandler.removeCallbacks(mBlinkRunnable);
try {
mLedGpio.close();
} catch (IOException e) {}
finally {
mLedGpio = null;
}
}
MainActivity.java - onDestroy()

39. Paul Trebilcox-Ruiz
+PaulTrebilcoxRuiz
@PaulTR88
Google's IoT Developers Community
https://g.co/iotdev
Android Things SDK
https://developer.android.com/things
Hackster.io Community
https://hackster.io/google
#ValleyDevFest17