I am trying to code out a background refresh part of my app but there are two centralManager functions in the app.
func centralManager(_ central: CBCentralManager, didDiscover peripheral: CBPeripheral, advertisementData: [String : Any], rssi RSSI: NSNumber) {
if peripheral.identifier.uuidString == selected {
selectedPeripheral = peripheral
centralManager?.stopScan()
centralManager?.connect(selectedPeripheral!, options: nil)
}
}
func centralManager(_ central: CBCentralManager, didConnect peripheral: CBPeripheral) {
print("Connected to peripheral: \(peripheral)")
// Subscribe to disconnection events
peripheral
.publisher(for: \.state)
.sink { [weak self] state in
if state == .connected {
self?.isConnected = true
} else if state == .disconnected {
// Peripheral is disconnected, send notification
if self?.isConnected == true {
self?.sendNotification()
self?.isConnected = false
}
}
}
.store(in: &cancellables)
}
and this is the refresh part
private func handleBluetoothMonitoring(task: BGAppRefreshTask, bluetoothMonitor: BluetoothMonitor) {
let queue = DispatchQueue(label: "com.yourcompany.bluetoothmonitor")
task.expirationHandler = {
// Handle expiration of the task if needed
}
queue.async {
// Perform Bluetooth monitoring tasks here
if let centralManagerInstance = bluetoothMonitor.centralManager {
DispatchQueue.main.async {
bluetoothMonitor.centralManagerDidUpdateState(centralManagerInstance)
}
} else {
print("Central manager is nil")
}
// End the task
task.setTaskCompleted(success: true)
}
}
Is there a way to solve this? Thanks!
ByteGenius
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Hi, I am trying to add in a push notification but the send push notifications function does not seem to be working. Can someone help?
func sendNotification() {
print("Bluetooth device disconnected. Sending notification.")
let content = UNMutableNotificationContent()
content.title = "Car Disconnected"
content.body = "Please key in where you have left your car"
content.sound = UNNotificationSound.default
// Create a trigger to send the notification immediately
let request = UNNotificationRequest(identifier: "BluetoothDisconnected", content: content, trigger: nil)
UNUserNotificationCenter.current().add(request) { error in
if let error = error {
print("Error adding notification request: \(error.localizedDescription)")
} else {
print("Notification request added successfully.")
}
}
}