Kotlin with IoT Applications

Kotlin is warm welcomed by the Android world. But is that the only use-case Kotlin can help? This presentation brings the trial of Kotlin to the IoT world by working on a prototype device called CI Lighthouse.

Transcript

1. HCMC KOTLIN USER GROUP
   MEETUP – 17TH DEC 2019
   

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2. ABOUT
   SPEAKER
   

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3. KOTLIN WITH IOT APPLICATIONS
   • Popular use case of Kotlin for Android app development
   • Extended use case to have Kotlin run on Backend, just like Java language based
   on JVM
   • What else?
   KOTLIN WITH IOT APPLICATIONS
   • Popular use case of Kotlin for Android app development
   • Extended use case to have Kotlin run on Backend, just like Java language based
   on JVM
   • What else?
   

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4. DISCLAIMER
   

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5. KOTLIN
   NATIVE
   How about having
   Kotlin to run on device
   like Raspberry Pi?
   

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6. NOT KOTLIN
   NATIVE
   

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7. WITH KOTLIN NATIVE
   Kotlin
   Source
   Code
   Kotlin/Native
   Compiler
   Intermediate
   Representation
   LLVM
   BINARY
   0100101..
   Frontend Backend
   

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8. WHAT TO
   BUILD?
   • A lighthouse device.
   • Read the status of CI pipeline.
   • Display the CI status of trunk
   branch: GREEN (passed),
   YELLOW (running) and RED
   (failed).
   Example for Build light indicator
   

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9. LET’S DO
   THIS
   

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10. TERMS
    konanc: Kotlin/Native
    compiler
    cinterop: Kotlin/native
    interoperability – create
    Kotlin binding for native lib
    armhf: Raspberry PI 3 B
    model architecture
    

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11. RUN THE APP
    

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12. VERIFY
    

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13. CROSS-
    PLATFORM
    COMPILING
    

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14. CROSS-
    PLATFORM
    COMPILING
    

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15. RUN ON THE PI
    

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16. MANIPULATE
    THE
    HARDWARE
    

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17. WHAT I HAVE
    LEARNED
    You need to learn a bit
    about hardware along the
    way
    Not so much tutorials on
    this topic yet
    Controlled experiment
    

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