First off, this is almost certainly not a code bug—simulators can sometimes have quirky configuration hiccups that are easy to fix. Let’s walk through the most common solutions step by step:

1. Double-Check Simulator Location Settings #

The iPhone X simulator might have its location set to "None" by default, which blocks all location requests. Here’s how to adjust it:

• Open your iPhone X simulator
• Navigate to the menu bar: Debug > Location
• Select any preset location (like "Apple" or "City Bike Ride") or add a custom location
• Restart your app in the simulator and test again

2. Verify Your Info.plist Permission Keys #

From your snippet, it looks like you might have truncated the NSLocationAlwaysUsageDescription key. For iOS 11 and later, you need to use the correct, non-deprecated keys:

<key>NSLocationWhenInUseUsageDescription</key>
<string>We need your location to provide personalized services</string>
<key>NSLocationAlwaysAndWhenInUseUsageDescription</key>
<string>We need your location even when the app is in the background for real-time updates</string>

Note: NSLocationAlwaysUsageDescription is deprecated in iOS 11+, so stick to AlwaysAndWhenInUse if you need background location access.

3. Reset Simulator Content and Settings #

Corrupted simulator state can cause unexpected behavior. Resetting it clears all cached data:

• In the simulator menu bar: Simulator > Reset Content and Settings...
• Confirm the reset, then rebuild and run your app on the iPhone X simulator

4. Ensure the Simulator Runs a Supported iOS Version #

If your iPhone X simulator is running an outdated iOS version (like iOS 10 or earlier), permission handling works differently. Verify:

• Go to Window > Devices and Simulators
• Select your iPhone X simulator
• Make sure the iOS version matches your app’s deployment target (or is newer)

5. Test with a Minimal Core Location Implementation #

To rule out code-specific issues, try this stripped-down example in a new project:

import CoreLocation

class LocationHandler: NSObject, CLLocationManagerDelegate {
    private let locationManager = CLLocationManager()
    
    override init() {
        super.init()
        locationManager.delegate = self
        locationManager.requestWhenInUseAuthorization()
        locationManager.startUpdatingLocation()
    }
    
    func locationManager(_ manager: CLLocationManager, didUpdateLocations locations: [CLLocation]) {
        guard let latestLocation = locations.first else { return }
        print("Received location: \(latestLocation.coordinate.latitude), \(latestLocation.coordinate.longitude)")
        manager.stopUpdatingLocation()
    }
    
    func locationManager(_ manager: CLLocationManager, didFailWithError error: Error) {
        print("Location error: \(error.localizedDescription)")
    }
}

If this works on the iPhone X simulator, the issue is likely in your app’s specific implementation (like missing delegate setup or permission checks).

Most of the time, one of these steps will resolve the problem. Simulators can be finicky with location settings, so don’t overlook the first two fixes!

内容的提问来源于stack exchange，提问作者John