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2019 DevDay Evolution of LINE Things and Inside of Released Products > Sho Tachibana > LINE Technical Evangelism Team Technical Evangelist

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Sho Tachibana Technical Evangelist > Technical Support > Planning Support > Alliance Support > Biz Support Contact Me Anytime!

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Nov 2018

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Trial Products 1,800+

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MAU In TOP 4 164,000,000

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Install Signup Credit Card Unreachable User Useless Development NO

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Install NO

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Signup NO

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Credit Card NO

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Unreachable User NO

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Useless Development NO

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Agenda > Overview > New Feature: Automated BLE Communication > Service Prototypes by Developers > Products With LINE Things > Our Booth

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Overview

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Device link LIFF BLEʢLIFF SDK BLE pluginʣ New feature: Automated BLE communication LINE Things Features

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LINE Things

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LINE Things

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LIFF - LINE Front-end Framework

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Device Link & LIFF BLE

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LIFF BLE Device Link

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How Does LIFF BLE Work?

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Implementation const device = await liff.bluetooth.requestDevice(); const gatt = await device.gatt.connect(); const service = await gatt.getPrimaryService( 'E625601E-9E55-4597-A598-76018A0D293D' ); const characteristic = await service.getCharacteristic( '26E2B12B-85F0-4F3F-9FDD-91D114270E6E' ); characteristic.addEventListener('characteristicvaluechanged', (e) => { console.log('value changed to:' + e.target.value); }); await characteristic.startNotifications();

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const device = await liff.bluetooth.requestDevice(); const gatt = await device.gatt.connect(); const service = await gatt.getPrimaryService( 'E625601E-9E55-4597-A598-76018A0D293D' ); const characteristic = await service.getCharacteristic( '26E2B12B-85F0-4F3F-9FDD-91D114270E6E' ); const value = await characteristic.readValue(); Connection Process

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Data Access LINE app Device Read LINE app Device Write LINE app Device Notify

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Data Access const device = await liff.bluetooth.requestDevice(); const gatt = await device.gatt.connect(); const service = await gatt.getPrimaryService( 'E625601E-9E55-4597-A598-76018A0D293D' ); const characteristic = await service.getCharacteristic( '26E2B12B-85F0-4F3F-9FDD-91D114270E6E' ); const value = await characteristic.readValue();

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Read const device = await liff.bluetooth.requestDevice(); const gatt = await device.gatt.connect(); const service = await gatt.getPrimaryService( 'E625601E-9E55-4597-A598-76018A0D293D' ); const characteristic = await service.getCharacteristic( '26E2B12B-85F0-4F3F-9FDD-91D114270E6E' ); const value = await characteristic.readValue();

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Write const device = await liff.bluetooth.requestDevice(); const gatt = await device.gatt.connect(); const service = await gatt.getPrimaryService( 'E625601E-9E55-4597-A598-76018A0D293D' ); const characteristic = await service.getCharacteristic( '26E2B12B-85F0-4F3F-9FDD-91D114270E6E' ); await characteristic.writeValue( new TextEncoder(‘utf-8‘).encode(‘LIFF BLE’) );

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Notify const device = await liff.bluetooth.requestDevice(); const gatt = await device.gatt.connect(); const service = await gatt.getPrimaryService( 'E625601E-9E55-4597-A598-76018A0D293D' ); const characteristic = await service.getCharacteristic( '26E2B12B-85F0-4F3F-9FDD-91D114270E6E' ); characteristic.addEventListener('characteristicvaluechanged', (e) => { console.log('value changed to:' + e.target.value); }); await characteristic.startNotifications();

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Automated BLE Communication

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How Does Automated BLE Communication Work?

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Scenario { "autoClose": false, "suppressionInterval": 0, "scenarios": [ { "trigger": { "type": "BLE_NOTIFICATION", "serviceUuid": "4812a0a6-10af-4afb-91f0-b4434e55763b", "characteristicUuid": "91a6fb1d-d365-4229-9d41-4358a96388e3" }, "actions": [ { "type": "GATT_WRITE", "serviceUuid": "4812a0a6-10af-4afb-91f0-b4434e55763b", "characteristicUuid": "91a6fb1d-d365-4229-9d41-4358a96388e3", "data": "Zm9vCg==" } ] } ] }

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{ "autoClose": false, "suppressionInterval": 0, "scenarios": [ { "trigger": { "type": "BLE_NOTIFICATION", "serviceUuid": "4812a0a6-10af-4afb-91f0-b4434e55763b", "characteristicUuid": "91a6fb1d-d365-4229-9d41-4358a96388e3" }, "actions": [ { "type": "GATT_WRITE", "serviceUuid": "4812a0a6-10af-4afb-91f0-b4434e55763b", "characteristicUuid": "91a6fb1d-d365-4229-9d41-4358a96388e3", "data": "Zm9vCg==" } ] } ] } Scenario

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{ "autoClose": false, "suppressionInterval": 0, "scenarios": [ { "trigger": { "type": "BLE_NOTIFICATION", "serviceUuid": "4812a0a6-10af-4afb-91f0-b4434e55763b", "characteristicUuid": "91a6fb1d-d365-4229-9d41-4358a96388e3" }, "actions": [ { "type": "GATT_WRITE", "serviceUuid": "4812a0a6-10af-4afb-91f0-b4434e55763b", "characteristicUuid": "91a6fb1d-d365-4229-9d41-4358a96388e3", "data": "Zm9vCg==" } ] } ] } Scenario

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{ "autoClose": false, "suppressionInterval": 0, "scenarios": [ { "trigger": { "type": "BLE_NOTIFICATION", "serviceUuid": "4812a0a6-10af-4afb-91f0-b4434e55763b", "characteristicUuid": "91a6fb1d-d365-4229-9d41-4358a96388e3" }, "actions": [ { "type": "GATT_WRITE", "serviceUuid": "4812a0a6-10af-4afb-91f0-b4434e55763b", "characteristicUuid": "91a6fb1d-d365-4229-9d41-4358a96388e3", "data": "Zm9vCg==" } ] } ] } Scenario

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Scenario { "autoClose": false, "suppressionInterval": 0, "scenarios": [ { "trigger": { "type": "BLE_NOTIFICATION", "serviceUuid": "4812a0a6-10af-4afb-91f0-b4434e55763b", "characteristicUuid": "91a6fb1d-d365-4229-9d41-4358a96388e3" }, "actions": [ { "type": "GATT_WRITE", "serviceUuid": "4812a0a6-10af-4afb-91f0-b4434e55763b", "characteristicUuid": "91a6fb1d-d365-4229-9d41-4358a96388e3", "data": "Zm9vCg==" } ] } ] }

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Scenario { "autoClose": true, "suppressionInterval": 600000, "scenarios": [ { "trigger": { "type": "IMMEDIATE", }, "actions": [ { "type": "GATT_READ", "serviceUuid": "4812a0a6-10af-4afb-91f0-b4434e55763b", "characteristicUuid": "91a6fb1d-d365-4229-9d41-4358a96388e3" } ] } ] }

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Webhook { "events": [ { "type": "things", ... "things": { "type": "scenarioResult", "deviceId": "tXXX", "result": { "scenarioId": "XXX", "revision": 2, "startTime": 1547817845950, "endTime": 1547817845952, "resultCode": "success", "bleNotificationPayload": "AQ==", "actionResults": [ { "type": "binary", "data": "/w==" } ......

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{ "events": [ { "type": "things", ... "things": { "type": "scenarioResult", "deviceId": "tXXX", "result": { "scenarioId": "XXX", "revision": 2, "startTime": 1547817845950, "endTime": 1547817845952, "resultCode": "success", "bleNotificationPayload": "AQ==", "actionResults": [ { "type": "binary", "data": "/w==" } ...... Webhook

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> Background communication works(with a few expetions) > Sleep action must be less than 5 seconds > autoClose = true with just BLE_NOTIFICATION trigger does not works Important Notes Regarding Automated BLE Communication > Background Behavior of BLE depends on OS

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> Background communication works(with a few expetions) > Sleep action must be less than 5 seconds > autoClose = true with just BLE_NOTIFICATION trigger does not works Important Notes Regarding Automated BLE Communication > Background Behavior of BLE depends on OS

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> Background communication works(with a few expetions) > Sleep action must be less than 5 seconds > autoClose = true with just BLE_NOTIFICATION trigger does not works Important Notes Regarding Automated BLE Communication > Background Behavior of BLE depends on OS

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> Background communication works(with a few expetions) > Sleep action must be less than 5 seconds > autoClose = true with just BLE_NOTIFICATION trigger does not works Important Notes Regarding Automated BLE Communication > Background Behavior of BLE depends on OS

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> Background communication works.(with a few expetions) > Sleep action must be less than 5 seconds > autoClose = true with just BLE_NOTIFICATION trigger does not works Important Notes Regarding Automated BLE Communication > Background Behavior of BLE depends on OS

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Service Prototypes By Developers

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Car Battery Checker LIFF BLE Automated

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LINE Things Drink Bar LIFF BLE Messaging API

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LINE Beacon Bacon LIFF BLE Automated

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Mirai Gomibako LINE Pay API

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Quiz Buzzer LIFF BLE LIFF

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Products With LINE Things

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Smart Pen

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Our Booth

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> Will be charged from the second year, but calculated based on the number of users > Push message of LINE Messaging API will be charged, and we plan to monetize by them > Free for the first year after submission for the production plan Price of LINE Things Platform > The campaign will go on for a limited time

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Last but at Least

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LINE Things WebApp Messanger Payment Social

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Life on LINE

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Thank You