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androidthings Building for the IoT speakerdeck.com/hitherejoe/ android-things-building-for-the-iot

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@hitherejoe hitherejoe joebirch.co Joe Birch - Android Engineer @ Buffer

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@buffer buffer.com

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The Internet of What? What exactly is the Internet of Things

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The Internet of What? What exactly is the Internet of Things

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The Internet of What? What exactly is the Internet of Things HUB

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UI not always present But there will always be UX

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Create for a wide range of use cases

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Interaction Design

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Inter-usability Familiarity across form factors

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Familiar experience Making things fun and familiar

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Getting phy-gital Sensors & Actuators Sensors Actuators

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Android Ecosystem

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Android Ecosystem

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Use existing Android tools and APIs New IoT specific APIs Stay up-to-date with Android updates

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Use existing Android tools and APIs

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New IoT specific APIs

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New IoT specific APIs

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Peripheral I/O API User Driver API New IoT specific APIs

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So I can use any API?!

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Not quite…

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Stay up-to-date with Android updates

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Stay up-to-date with Android updates

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Hardware updates Updating physical devices isn’t so easy V1 V2 V3

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Prototyping Building ideas with plug & play components

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BrailleBox A braille news reader for the sight impaired

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Switches BrailleBox A braille news reader for the sight impaired

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Switches BrailleBox A braille news reader for the sight impaired

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Switches Schematics A braille news reader for the sight impaired

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Switches Breadboard A braille news reader for the sight impaired

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Switches Schematics A braille news reader for the sight impaired

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Switches Schematics A braille news reader for the sight impaired

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Switches Schematics A braille news reader for the sight impaired

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Switches GPIO General Purpose Input Output

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Switches GPIO General Purpose Input Output Output for Pin 1 Output for Pin 2 Output for Pin 3 Output for Pin 5 Output for Pin 4 Output for Pin 6

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Using GPIO pins // Open the GPIO pin for usage val gpioPin = peripheralManagerService.openGpio(pin) // Direction Input or Output gpioPin.setDirection(DIRECTION_OUT_INITIALLY_LOW) // When the Pin is classified as Active gpioPin.setActiveType(ACTIVE_HIGH) gpioPin.setEdgeType(Gpio.EDGE_BOTH) gpioPin.registerGpioCallback(someCallback) gpioPin.setValue(true)

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Using GPIO pins // Open the GPIO pin for usage val gpioPin = peripheralManagerService.openGpio(pin) // Direction Input or Output gpioPin.setDirection(DIRECTION_OUT_INITIALLY_LOW) // When the Pin is classified as Active gpioPin.setActiveType(ACTIVE_HIGH) gpioPin.setEdgeType(Gpio.EDGE_BOTH) gpioPin.registerGpioCallback(someCallback) gpioPin.setValue(true)

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Using GPIO pins // Open the GPIO pin for usage val gpioPin = peripheralManagerService.openGpio(pin) // Direction Input or Output gpioPin.setDirection(DIRECTION_OUT_INITIALLY_LOW) // When the Pin is classified as Active gpioPin.setActiveType(ACTIVE_HIGH) gpioPin.setEdgeType(Gpio.EDGE_BOTH) gpioPin.registerGpioCallback(someCallback) gpioPin.setValue(true)

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Using GPIO pins // Open the GPIO pin for usage val gpioPin = peripheralManagerService.openGpio(pin) // Direction Input or Output gpioPin.setDirection(DIRECTION_OUT_INITIALLY_LOW) // When the Pin is classified as Active gpioPin.setActiveType(ACTIVE_HIGH) gpioPin.registerGpioCallback(someCallback) gpioPin.registerGpioCallback(someCallback) gpioPin.setValue(true)

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Switches Schematics A braille news reader for the sight impaired

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Switches Resistor Restricting the flow current

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Switches Schematics A braille news reader for the sight impaired

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Switches Diode Restricting the direction current

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Switches LED A Diode with added spark

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Switches Schematics A braille news reader for the sight impaired

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Switches How does the app launch? Launching a chosen activity on device launch

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Switches IoT Launcher Starting your app at launch

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https://github.com/hitherejoe/BrailleBox https://medium.com/@hitherejoe

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@hitherejoe hitherejoe joebirch.co Thank you!