Watch your Bluetooth!

Swift Poznań #1 - 27.06.2017

This talk is definitely not about hacking Bluetooth. Core Bluetooth has arrived to Apple Watch. Just watch what your Watch ⌚️ can do!

Transcript

1. Watch Your Bluetooth! Maciej @paciej00 Piotrowski Swift Poznań #1 - 27.06.2017
3. Bluetooth
6. WWDC 2017 ?
7. WWDC 2017 watchOS 4 + CoreBluetooth = ❤
9. let's get back a bit
12. Bluetooth Low Energy (BLE) 4 low energy consumption 4 client - server architecture 4 services and characteristics
13. Bluetooth Low Energy (BLE) 4 macOS 10.7 4 iOS 5 4 tvOS 9
14. Bluetooth Low Energy (BLE) 4 macOS 10.7 4 iOS 5 4 tvOS 9 4 watchOS 4
15. Core Bluetooth
16. Core Bluetooth 4 CBCentral 4 CBPeripheral 4 CBService 4 CBCharacteristic 4 CBUUID 4 ...
22. Bird Peripheral
23. Bird Properties 4 name 4 color 4 transparency
24. Bird Service 4 CBService - Bird 4 CBCharacteristic - name 4 CBCharacteristic - color 4 CBCharacteristic - alpha
25. Bird Service 4 CBService - Bird 4 UTF-8 String 4 hex as UTF-8 String 4 Int as UTF-8 String
26. we need UUIDs
27. uuidgen
28. Storing UUIDs enum BirdBluetoothService { static let uuid: CBUUID = CBUUID(string: "B7AC06DC-09FF-40ED-B03A-55D09B08EB4A") static let color: CBUUID = CBUUID(string: "B7AC06DC-09FF-40ED-B03A-55D09B080001") static let name: CBUUID = CBUUID(string: "B7AC06DC-09FF-40ED-B03A-55D09B080002") static let alpha: CBUUID = CBUUID(string: "B7AC06DC-09FF-40ED-B03A-55D09B080003") static let characteristics: [CBUUID] = [ color, name, alpha ] }
29. Bird Peripheral
30. Bird Peripheral 4 advertise Bird Service 4 respond to READ requests 4 NOTIFY subscribers about char. updates
32. Bird Central
34. Bird Central 4 scan for Bird Service 4 discover characteristics 4 read values 4 subscribe for notifications
35. let's write some code!
37. WWDC 2017
38. WWDC 2017 4 watchOS 4 + CoreBluetooth = ❤ 4 L2CAP channel - fast data Tx 4 enhanced reliability 4 state preservation & restoration on reboot
39. Links 4 Watch your Bluetooth - demo source code on Github 4 Core Bluetooth - documentation changes 4 WWDC 2017 - 712 - What's New in Core Bluetooth 4 WWDC 2017 - 205 - What's New in watchOS 4 WWDC 2017 - 408 - What’s New in Playgrounds 4 Apple - Bluetooth for Developers 4 swifting.io - #Core Bluetooth 4 Bluetooth - official website
40. Thanks!