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Mikołaj Piechocki
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Oct 30, 2020
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57 changes: 57 additions & 0 deletions
57
ExampleApp/ExampleApp/Screens/Peripheral/PeripheralView.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| import UIKit | ||
|
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| class PeripheralView: UIView { | ||
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| init() { | ||
| super.init(frame: .zero) | ||
| backgroundColor = .systemBackground | ||
| setupLayout() | ||
| } | ||
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| required init?(coder: NSCoder) { nil } | ||
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| // MARK: - Subviews | ||
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| let updateButton: UIButton = { | ||
| let button = UIButton(type: .system) | ||
| button.setTitle("Update", for: .normal) | ||
| button.setImage(UIImage(systemName: "sun.min"), for: .normal) | ||
| return button | ||
| }() | ||
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| let readButton: UIButton = { | ||
| let button = UIButton(type: .system) | ||
| button.setTitle("Read", for: .normal) | ||
| button.setImage(UIImage(systemName: "phone.fill.arrow.up.right"), for: .normal) | ||
| return button | ||
| }() | ||
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| let writeButton: UIButton = { | ||
| let button = UIButton(type: .system) | ||
| button.setTitle("Write", for: .normal) | ||
| button.setImage(UIImage(systemName: "phone.fill.arrow.down.left"), for: .normal) | ||
| return button | ||
| }() | ||
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| let stackView: UIStackView = { | ||
| let stackView = UIStackView() | ||
| stackView.axis = .vertical | ||
| stackView.spacing = 20.0 | ||
| return stackView | ||
| }() | ||
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| // MARK: - Private | ||
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| private func setupLayout() { | ||
| stackView.translatesAutoresizingMaskIntoConstraints = false | ||
| addSubview(stackView) | ||
| [updateButton, readButton, writeButton].forEach(stackView.addArrangedSubview) | ||
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| NSLayoutConstraint.activate([ | ||
| stackView.centerXAnchor.constraint(equalTo: centerXAnchor), | ||
| stackView.centerYAnchor.constraint(equalTo: centerYAnchor), | ||
| stackView.widthAnchor.constraint(lessThanOrEqualTo: widthAnchor, constant: -32) | ||
| ]) | ||
| } | ||
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| } |
41 changes: 41 additions & 0 deletions
41
ExampleApp/ExampleApp/Screens/Peripheral/PeripheralViewController.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,41 @@ | ||
| import UIKit | ||
|
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| class PeripheralViewController: UIViewController { | ||
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| init() { | ||
| super.init(nibName: nil, bundle: nil) | ||
| } | ||
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| required init?(coder: NSCoder) { nil } | ||
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| // MARK: - View | ||
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| private(set) lazy var peripheralView = PeripheralView() | ||
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| override func loadView() { | ||
| view = peripheralView | ||
| } | ||
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| override func viewDidLoad() { | ||
| super.viewDidLoad() | ||
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| peripheralView.updateButton.addTarget(self, action: #selector(handleUpdateButton), for: .touchUpInside) | ||
| peripheralView.readButton.addTarget(self, action: #selector(handleReadButton), for: .touchUpInside) | ||
| peripheralView.writeButton.addTarget(self, action: #selector(handleWriteButton), for: .touchUpInside) | ||
| } | ||
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| // MARK: - Private | ||
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| @objc private func handleUpdateButton() { | ||
| let controller = PeripheralUpdateViewController() | ||
| navigationController?.pushViewController(controller, animated: true) | ||
| } | ||
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| @objc private func handleReadButton() { | ||
| let controller = PeripheralReadViewController() | ||
| navigationController?.pushViewController(controller, animated: true) | ||
| } | ||
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| @objc private func handleWriteButton() {} | ||
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| } |
61 changes: 61 additions & 0 deletions
61
ExampleApp/ExampleApp/Screens/PeripheralRead/PeripheralReadView.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,61 @@ | ||
| import UIKit | ||
|
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| class PeripheralReadView: UIView { | ||
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| init() { | ||
| super.init(frame: .zero) | ||
| backgroundColor = .systemBackground | ||
| setupLayout() | ||
| } | ||
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| required init?(coder: NSCoder) { nil } | ||
|
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| // MARK: - Subviews | ||
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| let serviceUuidTextField: UITextField = { | ||
| let textField = UITextField() | ||
| textField.placeholder = "Service UUID" | ||
| return textField | ||
| }() | ||
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| let characteristicUuidTextField: UITextField = { | ||
| let textField = UITextField() | ||
| textField.placeholder = "Characteristic UUID" | ||
| return textField | ||
| }() | ||
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| let valueTextField: UITextField = { | ||
| let textField = UITextField() | ||
| textField.placeholder = "Value (String)" | ||
| return textField | ||
| }() | ||
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| let advertiseButton: UIButton = { | ||
| let button = UIButton(type: .system) | ||
| button.setTitle("Advertise", for: .normal) | ||
| button.setImage(UIImage(systemName: "wave.3.right"), for: .normal) | ||
| return button | ||
| }() | ||
|
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| let stackView: UIStackView = { | ||
| let stackView = UIStackView() | ||
| stackView.axis = .vertical | ||
| stackView.spacing = 20.0 | ||
| return stackView | ||
| }() | ||
|
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| // MARK: - Private | ||
|
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| private func setupLayout() { | ||
| stackView.translatesAutoresizingMaskIntoConstraints = false | ||
| addSubview(stackView) | ||
| [serviceUuidTextField, characteristicUuidTextField, valueTextField, advertiseButton].forEach(stackView.addArrangedSubview) | ||
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| NSLayoutConstraint.activate([ | ||
| stackView.centerXAnchor.constraint(equalTo: centerXAnchor), | ||
| stackView.centerYAnchor.constraint(equalTo: centerYAnchor), | ||
| stackView.widthAnchor.constraint(lessThanOrEqualTo: widthAnchor, constant: -32) | ||
| ]) | ||
| } | ||
|
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| } |
98 changes: 98 additions & 0 deletions
98
ExampleApp/ExampleApp/Screens/PeripheralRead/PeripheralReadViewController.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,98 @@ | ||
| import CoreBluetooth | ||
| import RxBluetoothKit | ||
| import RxSwift | ||
| import UIKit | ||
|
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| class PeripheralReadViewController: UIViewController { | ||
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| init() { | ||
| super.init(nibName: nil, bundle: nil) | ||
| } | ||
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| required init?(coder: NSCoder) { nil } | ||
|
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| // MARK: - View | ||
|
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| private(set) lazy var peripheralReadView = PeripheralReadView() | ||
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| override func loadView() { | ||
| view = peripheralReadView | ||
| } | ||
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| override func viewDidLoad() { | ||
| super.viewDidLoad() | ||
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| peripheralReadView.advertiseButton.addTarget(self, action: #selector(handleAdvertiseButton), for: .touchUpInside) | ||
| } | ||
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| // MARK: - Private | ||
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| private let disposeBag = DisposeBag() | ||
| private lazy var manager = PeripheralManager() | ||
| private var characteristic: CBMutableCharacteristic? | ||
| private var advertisement: Disposable? | ||
| private var isAdvertising = false { | ||
| didSet { | ||
| let text = isAdvertising ? "Stop Advertising" : "Advertise" | ||
| peripheralReadView.advertiseButton.setTitle(text, for: .normal) | ||
| } | ||
| } | ||
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| @objc private func handleAdvertiseButton() { | ||
| isAdvertising ? handleAdvertisingStop() : handleAdvertisingStart() | ||
| } | ||
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| private func handleAdvertisingStart() { | ||
| guard let serviceUuidString = peripheralReadView.serviceUuidTextField.text, | ||
| let characteristicUuidString = peripheralReadView.characteristicUuidTextField.text, | ||
| let value = peripheralReadView.valueTextField.text else { return } | ||
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| let service = createService(uuidString: serviceUuidString) | ||
| let characteristic = createCharacteristic(uuidString: characteristicUuidString, value: value) | ||
| service.characteristics = [characteristic] | ||
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| startAdvertising(service: service) | ||
| self.characteristic = characteristic | ||
| } | ||
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| private func handleAdvertisingStop() { | ||
| advertisement?.dispose() | ||
| advertisement = nil | ||
| characteristic = nil | ||
| isAdvertising.toggle() | ||
| } | ||
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| private func createService(uuidString: String) -> CBMutableService { | ||
| let serviceUuid = CBUUID(string: uuidString) | ||
| return CBMutableService(type: serviceUuid, primary: true) | ||
| } | ||
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| private func createCharacteristic(uuidString: String, value: String) -> CBMutableCharacteristic { | ||
| let characteristicUuid = CBUUID(string: uuidString) | ||
| return CBMutableCharacteristic( | ||
| type: characteristicUuid, | ||
| properties: [.read], | ||
| value: value.data(using: .utf8), | ||
| permissions: [.readable] | ||
| ) | ||
| } | ||
|
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| private func startAdvertising(service: CBMutableService) { | ||
| let managerIsOn = manager.observeStateWithInitialValue() | ||
| .filter { $0 == .poweredOn } | ||
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| advertisement = Observable.combineLatest(managerIsOn, Observable.just(manager)) { $1 } | ||
| .flatMap { $0.add(service) } | ||
| .flatMap { [manager] in manager.startAdvertising($0.advertisingData) } | ||
| .subscribe( | ||
| onNext: { [weak self] in | ||
| print("advertising started! \($0)") | ||
| self?.isAdvertising.toggle() | ||
| }, | ||
| onError: { [weak self] in | ||
| AlertPresenter.presentError(with: $0.printable, on: self?.navigationController) | ||
| } | ||
| ) | ||
| } | ||
|
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| } |
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