Working with Permissions

import AVFoundation
import UIKit

class ViewController: UIViewController {
    override func viewDidLoad() {
        super.viewDidLoad()
        requestCameraPermission()
    }

    func requestCameraPermission() {
        AVCaptureDevice.requestAccess(for: .video) { granted in
            DispatchQueue.main.async {
                if granted {
                    print("Camera access granted")
                } else {
                    print("Camera access denied")
                }
            }
        }
    }
}

import Photos

func requestPhotoLibraryAccess() {
    PHPhotoLibrary.requestAuthorization(.readWrite) { status in
        switch status {
        case .authorized:
            print("Access granted")
        case .denied, .restricted:
            print("Access denied or restricted")
        case .notDetermined:
            print("Not determined yet")
        @unknown default:
            print("Unknown status")
        }
    }
}

import CoreLocation

class LocationManager: NSObject, CLLocationManagerDelegate {
    private let locationManager = CLLocationManager()

    override init() {
        super.init()
        locationManager.delegate = self
        locationManager.requestWhenInUseAuthorization()
    }

    func locationManager(_ manager: CLLocationManager, didChangeAuthorization status: CLAuthorizationStatus) {
        switch status {
        case .authorizedWhenInUse, .authorizedAlways:
            print("Location access granted")
        case .denied, .restricted:
            print("Location access denied")
        default:
            print("Location access not determined")
        }
    }
}

import AVFoundation

let audioSession = AVAudioSession.sharedInstance()
do {
    try audioSession.setCategory(.playAndRecord, options: .defaultToSpeaker)
    try audioSession.setActive(true)
} catch {
    print("Failed to set up audio session: \(error)")
}

import Contacts

let store = CNContactStore()
store.requestAccess(for: .contacts) { granted, error in
    if granted {
        print("Access granted")
    } else {
        print("Access denied")
    }
}

import EventKit

let eventStore = EKEventStore()
eventStore.requestAccess(to: .event) { granted, error in
    if granted {
        print("Calendar access granted")
    } else {
        print("Calendar access denied")
    }
}

import EventKit

let eventStore = EKEventStore()
eventStore.requestAccess(to: .reminder) { granted, error in
    if granted {
        print("Reminders access granted")
    } else {
        print("Reminders access denied")
    }
}

import UserNotifications

func requestNotificationPermission() {
    let options: UNAuthorizationOptions = [.alert, .sound, .badge]
    UNUserNotificationCenter.current().requestAuthorization(options: options) { granted, error in
        if granted {
            print("Notification permission granted.")
        } else {
            print("Notification permission denied.")
        }
    }
}

import AVFoundation

func checkCameraPermission() {
    let status = AVCaptureDevice.authorizationStatus(for: .video)
    switch status {
    case .authorized:
        print("Camera access granted")
    case .denied:
        print("Camera access denied by user")
    case .notDetermined:
        print("Permission not yet requested")
    default:
        print("Other status: \(status)")
    }
}

import CoreLocation

let locationManager = CLLocationManager()

func checkLocationPermission() {
    let status = locationManager.authorizationStatus
    switch status {
    case .authorizedWhenInUse:
        print("Location access granted for in-use")
    case .denied:
        print("Location access denied by user")
    case .notDetermined:
        print("Permission not yet requested")
    default:
        print("Other status: \(status)")
    }
}

import CoreLocation

class LocationManager: NSObject, CLLocationManagerDelegate {
    private let locationManager = CLLocationManager()

    func requestLocationPermission() {
        locationManager.delegate = self
        locationManager.requestWhenInUseAuthorization()
    }

    func locationManager(_ manager: CLLocationManager, didChangeAuthorization status: CLAuthorizationStatus) {
        switch status {
        case .denied, .restricted:
            handlePermissionDenied()
        case .authorizedWhenInUse, .authorizedAlways:
            // Proceed with location usage
            print("Location access granted")
        default:
            break
        }
    }

    private func handlePermissionDenied() {
        // Show alert to user or redirect to settings
        print("Location permission denied by user")
    }
}

<key>NSCameraUsageDescription</key>
<string>This app uses the camera to take photos for your profile.</string>