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Droidkaigi2018
Katsuya Kato
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Android Things
¢ Google IoT
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Android Things
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¢ ADK(Accessory Development Kit)
¢ Android
¢ https://developer.android.com/adk/index.html
¢ 2011/2012
Google I/O
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¢ Android Things with Raspberry Pi
¢ Nature Remo
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¢ Linking
¢ Bluetooth!
¢ Firebase
¢ Firebase Realtime Database
¢ Cloud Functions for Firebase
¢ Firebase Cloud Messaging
¢ Geofencing
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// BeaconScannerSDK?H+!
val scanner = BeaconScanner(this)
val filter = IntentFilter()
// >;9 698$#FGD5
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filter.addAction(Define.filterBeaconScanResult)
// '-=B9 6BroadcastReceiver70
registerReceiver(receiver, filter)
// '!ID!*-)%70!*-3C
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scanner.startScan(intArrayOf(6), 0)
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Linking
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var receiver: BeaconReceiverBase = object : BeaconReceiverBase() {
internal var receivedData: BeaconData? = null
override fun onReceiveScanResult(beaconData: BeaconData?)
receivedData = beaconData
handler.postDelayed(updateTask, 0)
}
//
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internal var updateTask: Runnable = Runnable {
//rawData
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val dataOpenCloseSensor = receivedData?.getOpenCloseSensor()
if (dataOpenCloseSensor != null) {
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val binary = String.format("%12s",
Integer.toBinaryString(dataOpenCloseSensor!!))
.replace(" ".toRegex(), "0")
val binaryState = binary.substring(0, 1) //
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val binaryCount = binary.substring(1) //
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//
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Linking
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// Firebase Realtime Database
val database =
FirebaseDatabase.getInstance().reference.child("state")
database.child("door1_state")
.setValue(Integer.parseInt(binaryState))
database.child("door1_count")
.setValue(Integer.parseInt(binaryCount,2))
}
}
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Cloud Functions for Firebase
¢ Firebase HTTPS
¢ Realtime Database
¢ Firebase Authentication
¢ Crashlytics
¢ Cloud Storage
¢ Realtime Database
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Realtime Database
Node.js
19
const functions = require('firebase-functions');
const admin = require('firebase-admin');
admin.initializeApp(functions.config().firebase);
exports.push = functions.database.ref("/state/door1_state/")
.onWrite(event => {
const item = event.data;
const payload = {
data: {
title: "",
message: "1 " +
(item.val() === 0 ? "
" : "
"),
}
};
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Nature Remo
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Nature Remo
API
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$ curl -H ‘Authorization: Bearer {TOKEN}’
-H ‘accept: application/json’
-H ‘Content-Type: application/x-www-form-urlencoded’
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ID}/send
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