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RxBluetoothKit is a Bluetooth library that makes interaction with BLE devices much more pleasant. It's backed by RxSwift and CoreBluetooth and it provides nice API, for both Central and Peripheral modes. All to work with and make your code more readable, reliable and easier to maintain.

Here is a sneak peek of what you can do with RxBluetoothKit:

manager.scanForPeripherals(withServices: [serviceId])
    .take(1)
    .flatMap { $0.peripheral.establishConnection() }
    .flatMap { $0.discoverServices([serviceId]) }
    .flatMap { Observable.from($0) }
    .flatMap { $0.discoverCharacteristics([characteristicId]) }
    .flatMap { Observable.from($0) }
    .flatMap { $0.readValue() }
    .subscribe(onNext: { print("Value: \($0.value)") })

With just 9 lines it started scanning, connecting to the peripheral, discovering service and characteristics and read charecteristic's value!

Central mode features

Peripheral mode features

Observing manager states
Advertising
Observing read & writes
Observing subscribe
Publishing L2CAP channels
And a lot more!

Recent Changes

6.0.0

Increased deployment target for iOS to 9.0 and for osx to 10.13 (#379, #380)
Added support for observing ancsAuthorized property on peripheral. (#370)
Added Bluetooth usage description to Info.plist in Example project (#369)
Added initial state improvement & a minor fix for BluetoothState methods. (#371)
Fixed problems with SPM support (#358, #368)
Updated RxSwift version to 5.1 (#376)
Updated project configurations to decrease build time on TravisCI (#376)
Updated scripts to fixed problems with generating mocks (#378)

All previous changes

Want to migrate from 4.x to 5.x? Check guidelines here.

Installation

CocoaPods

CocoaPods is a dependency manager for CocoaProjects. To integrate RxBluetoothKit into your Xcode project using CocoaPods specify it in your Podfile:

pod 'RxBluetoothKit'

Then, run the following command: $ pod install

Carthage

Carthage is a decentralized dependency manager that builds your dependencies and provides you with binary frameworks. To integrate RxBluetoothKit into your Xcode project using Carthage specify it in your Cartfile:

github "Polidea/RxBluetoothKit"

Then, run carthage update to build framework and drag RxBluetoothKit.framework into your Xcode project.

Swift Package Manager

Versions >= 4.0 of the library integrate with the Swift Package Manager. In order to do that please specify our project as one of your dependencies in Package.swift file.

Getting Started

Check our Wiki with guidelines to (almost) all library functionalites.

Documentation & Support

Api reference
Sample App
Gitter channel if you want to talk about it, ask questions or give feedback.
StackOverflow if you have a problem
Or open an issue on GitHub

Remember to follow Polidea's Blog blog to get all the news and updates!

Learn more about Polidea's BLE services here.

Requirements

iOS 9.0+
OSX 10.13+
watchOS 4.0+
tvOS 11.0+
Xcode 11.4+

Swift versions

3.0 version supports Swift 3.0 and 3.1
5.0 version supports Swift 3.2 and 4.0
5.1.2 version supports Swift 4.1
5.2 version supports Swift 5.0 and 4.2

Github

link

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Dependencies

ReactiveX/RxSwift

Releases

6.0.0 - 2020-09-04T12:23:44

Increased deployment target for iOS to 9.0 and for osx to 10.13 (#379, #380)
Added support for observing ancsAuthorized property on peripheral. (#370)
Added Bluetooth usage description to Info.plist in Example project (#369)
Added initial state improvement & a minor fix for BluetoothState methods. (#371)
Fixed problems with SPM support (#358, #368)
Updated RxSwift version to 5.1 (#376)
Updated project configurations to decrease build time on TravisCI (#376)
Updated scripts to fixed problems with generating mocks (#378)

5.3.0 - 2019-07-26T11:49:03

Always connect to retrieved peripherals first (#337)
Addded a customisation point for injecting a logger (#341)
Fixed L2CAP API to support OSX 10.14 (#345)

5.2.1 - 2019-05-17T13:56:57

Updated RxSwift to version 5.0 (#335)

5.2.0 - 2019-04-13T20:17:30

Added support for Xcode 10.2 and Swift 5 (#321)
Fixed "API MISUSE" after canceling notification state when bluetooth is powered off (#319)
Fixed problems when discoverServices doesn't emit any result (#309)

5.1.4 - 2018-09-21T13:16:36

Updated RxSwift library to version 4.3
fix API MISUSE when calling stop scan on dispose (#283)
add option to disable checking of canSendWriteWithoutReponse while writing (#282)

5.1.3 - 2018-06-29T08:17:16

Changed back deployment target from 10.0 to 8.0. (#275)

5.1.2 - 2018-06-21T12:50:41

Updated RxSwift to 4.2 with support for XCode 9.4 (#268)

4.0.3 - 2018-06-11T09:49:53

Update Cartfile.resolved and generate binary framework for XCode 9.4.

5.1.1 - 2018-06-08T08:10:37

Fixed PeripheralManager not public (#264)

5.1.0 - 2018-05-28T08:11:25

Added support for CBPeripheralManager. Read PeripheralManager documentation for more info (#166)
Deprecated RestoredState and CentralManager.init(queue:options:onWillRestoreCentralManagerState:). From now on please use corresponding CentralManagerRestoredState and CentralManager.init(queue:options:onWillRestoreCentralManagerState:)

5.0.2 - 2018-05-07T13:28:31

Changed error name from BluetoothError.peripheralIsConnectingOrAlreadyConnected to BluetoothError.peripheralIsAlreadyObservingConnection - old error has been deprecated (#245)
To each method, that returns observable, added documentation with a list of errors that this observable can return (#225)
Rewritten example app that is now using RxBluetoothKit 5.x (#240, #220)
Added available annotation for canSendWriteWithoutResponse property (#253)

5.0.1 - 2018-04-10T10:06:41

Added method to observe notyfing state change for the characteristic (#229)
Aligned the API for establishConnection with the rest of the implementation
Made restore state api public (#224)
Enabled getting an Observable<Peripheral> from already connected peripheral provided by the system (#238)
Fixed writting without response on older systems (#241)
Added queues for discovery requests (fixed #235)
Added support for XCode 9.3 and swift 4.1

5.0.0 - 2018-03-14T14:28:29

Changed BluetoothManager to CentralManager
Reimplemented connection and notification API's
Added watchOS and tvOS targets
Added support for L2CAP
Rewritten unit tests

4.0.2 - 2018-01-10T07:35:03

Allow projects that depend on RxBluetoothKit to update RxSwift to 4.1.0 and newer (#201 by @DevAndArtist)

4.0.1 - 2017-11-29T13:20:10

Add missing logs for CBPeripheral and CBCentralManager classes.
Fixed implementation of scanning subscription queue.

4.0.0 - 2017-11-20T10:32:43

App updated to newest iOS & macOS SDK
Swift 4 adoption
Possible memory leaks removed

- 2017-10-02T11:49:43

RxSwift 4 alpha added as dependency

4.0.0 alpha 0 - 2017-09-26T10:11:13

Added compatibility with Swift 4
Updated RxSwift dependency to version 4.

v3.1.0 - 2017-08-28T07:57:57

Access from library objects to CBCentralManager and Peripheral instances is now public
Fixed a bug regarding doing unnecessary operations when peripheral was disconnected

Initial release - 2017-07-19T10:04:39

Initial release

v0.3.4 - 2017-07-19T10:04:09

Deleted jazzy.yaml in order to make cocoadocs work

v0.3.6 - 2017-07-19T10:03:29

Added convenience methods to Peripheral. Check more about it in README.

v0.3.7 - 2017-07-19T10:02:34

Improved APIs of Characteristic and Service

v0.4.0 - 2017-07-19T10:02:11

Documentation updated
Use cases added to example app
Added convenience methods to peripheral
Added protocols that are giving user access to convenience API.

v0.4.1 - 2017-07-19T10:01:47

Fixed possible race condition in setNotifyAndMonitor function

v1.0.1 - 2017-07-19T10:00:45

Fixed issues related to scan sharing

v1.1.0 - 2017-07-19T10:00:18

New API in BluetoothManager: rx_state to monitor CBCentralManager state changes
New API in Peripheral: rx_state to monitor CBPeripheral state change and rx_isConntected to monitor connection state changes
monitorState() and monitorStateChange() marked as deprecated
Added dependency for RxCocoa

v1.1.1 - 2017-07-19T09:59:54

Fixed a bug regarding rx_state behavior

v1.2.0 - 2017-07-19T09:59:29

Added support for Core Bluetooth state restoration

v1.2.1 - 2017-07-19T09:58:54

listenOnRestoredState method made public

All releases