LINE Things: Its Value and How to Implement It

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Feel free to share on SNS!! #linethings

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LINE Things Overview The value LINE Things provides for users and developers How LINE Things works & How to implement LINE Things Agenda

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LINE Things Overview

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LINE Things LINE server LINE app Device

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communicate with various electronic devices control them control them without involvement of an end user LINE Things enable LINE app to

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LIFF BLE - weight scale

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Automatic Communication

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communicate with various electronic devices control them control them without involvement of an end user LINE Things enable LINE app to

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The value LINE Things provides for users and developers

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for LINE users to use IoT Services for developers to develop IoT Services LINE Things provides easy access

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For LINE users

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IoT products have some challenges

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Sharing IoT devices

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One-time use

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Everyone Is Using LINE!

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Creating something that feels natural and is easy to use Creating something that everyone has and is easy to share Creating something that anyone can use immediately The value LINE Things provide for users

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LIFF BLE - thermography

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LIFF BLE - e-ink

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Create completely new services

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For developers

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How LINE Things works & How to implement LINE Things

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LINE LINE Things Overview LINE server LINE app Device Your server Messaging API LIFF app LIFF BLE

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LINE What does developer need to develop ? LINE server LINE app Device Your server LIFF app Messaging API LIFF BLE

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LIFF BLE

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LINE app How LIFF BLE works LIFF app LIFF SDK (BLE plugin) BLE native component Device

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

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Automatic Communication

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LINE How Automatic Communication works LINE server LINE app Device Your server Messaging API (webhook) Deliver execution results Register a scenario set Fetch a scenario set Execute a scenario set

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LINE Register a scenario LINE app Device Messaging API (webhook) Deliver execution results Fetch a scenario set Execute a scenario set LINE server Your server Register a scenario set

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Scenario Triggerɿthe starting point for an action. • IMMEDIATE  Perform an action as soon as the device connects to LINE • BLE_NOTIFICATION  Perform an action when receiving a notification Actionɿthe contents to execute • GATT_READ : Read data • GATT_WRITE : Write data • SLEEP : Wait for a specified period of time

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Scenario Set • IMMEDIATE • Read data • Write data • BLE_NOTIFICATION • Read data • Write data • IMMEDIATE • Wait for 1 second • Write data

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Create or update a scenario set

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Trigger / Scenario (immediate) { "autoClose": true, "suppressionInterval": 3600000, "scenarios": [ { "trigger": { "type": "IMMEDIATE" }, "actions": [ { "type": “GATT_READ", "serviceUuid": "7B3D6B30-8F8C-4549-A4F5-66B1F435FA8F", "characteristicUuid": "90EC53BA-1DBE-4AE2-B762-7C1FEA00F380" },

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Action / Scenario (immediate) "actions": [ { "type": "GATT_READ", "serviceUuid": "7B3D6B30-8F8C-4549-A4F5-66B1F435FA8F", "characteristicUuid": "90EC53BA-1DBE-4AE2-B762-7C1FEA00F380" },{ "type": "SLEEP", "sleepMillis": 5000 },{ "type": "GATT_WRITE", "serviceUuid": "7B3D6B30-8F8C-4549-A4F5-66B1F435FA8F", "characteristicUuid":"5486C1A0-0EC2-4073-9C38-755D21EFE090", "data": "6AMAAA==" }

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Trigger + Action / Scenario (notification) { "autoClose": false, "suppressionInterval": 0, "scenarios": [ { "trigger": { "type": "BLE_NOTIFICATION", "serviceUuid": "91E4E176-D0B9-464D-9FE4-52EE3E9F1552", "characteristicUuid": "62FBD229-6EDD-4D1A-B554-5C4E1BB29169" }, "actions": [ { ... },{... },{... } ] } ] }

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Scenario Set { "autoClose": false, "suppressionInterval": 0, "scenarios": [ { "trigger": { ... }, "actions": [ { ... },{... },{... } ] }, { "trigger": { ... }, "actions": [ { ... },{... },{... } ] } ] }

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Configure a single scenario set for each product ID Use Scenario management APIs to register a scenario set The scenario sets only fetch by the LINE app on specific occasions About a scenario set

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LINE Fetch a scenario set Device Your server Messaging API (webhook) Deliver execution results Register a scenario set Execute a scenario set LINE server LINE app Fetch a scenario set

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LINE Execute a scenario set LINE server Your server Messaging API (webhook) Deliver execution results Register a scenario set Fetch a scenario set LINE app Device Execute a scenario set

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LINE Deliver execution results Device Register a scenario set Fetch a scenario set Execute a scenario set LINE server LINE app Your server Messaging API (webhook) Deliver execution results

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scenario execution result Trigger • When receiving a notification with the specified GATT characteristic value Action • Read data

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