Xcode 不允许访问位置信息

Question

我正在使用 Xcode 8.2.1 和 Swift 3，在我的应用程序中有一个地图视图，用户应该可以在其中按下一个按钮，地图将放大他们的位置。

在 Info.plist 中，我添加了两行：NSLocationAlwaysUsageDescription 的值为 "asdf" 和 Privacy - Location When In Use Usage Description 的值为 "fdas".

在运行应用程序之前，我选择"Simulate Location"并选择一个预设位置。然而，每当用户按下按钮时，地图就会缩放到海洋中的某个随机位置，并且以下消息会打印到控制台：

The app's Info.plist must contain an NSLocationAlwaysUsageDescription key with a string value explaining to the user how the app uses this data

这是我的全部 info.plist 源代码：

`<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
    <key>CFBundleDevelopmentRegion</key>
    <string>en</string>
    <key>CFBundleExecutable</key>
    <string>$(EXECUTABLE_NAME)</string>
    <key>CFBundleIdentifier</key>
    <string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
    <key>CFBundleInfoDictionaryVersion</key>
    <string>6.0</string>
    <key>CFBundleName</key>
    <string>$(PRODUCT_NAME)</string>
    <key>CFBundlePackageType</key>
    <string>APPL</string>
    <key>CFBundleShortVersionString</key>
    <string>1.0</string>
    <key>CFBundleVersion</key>
    <string>1</string>
    <key>LSRequiresIPhoneOS</key>
    <true/>
    <key>UILaunchStoryboardName</key>
    <string>LaunchScreen</string>
    <key>UIMainStoryboardFile</key>
    <string>Main</string>
    <key>UIRequiredDeviceCapabilities</key>
    <array>
        <string>armv7</string>
    </array>
    <key>UISupportedInterfaceOrientations</key>
    <array>
        <string>UIInterfaceOrientationPortrait</string>
        <string>UIInterfaceOrientationLandscapeLeft</string>
        <string>UIInterfaceOrientationLandscapeRight</string>
    </array>
    <key>Need your location </key>
    <string>asdf</string>
    <key>Need your location</key>
    <string>fdas</string>
</dict>
</plist>`

还有这个函数：

> func zoomOnLocation(sender: UIBarButtonItem) {
        print("zoomOnLocation running")
        /* Tracks user location */
        var locationManager = CLLocationManager()
        locationManager.desiredAccuracy = kCLLocationAccuracyBest
        mapView.showsUserLocation = true
        if (CLLocationManager.locationServicesEnabled()) { //Check for Location Services
            locationManager = CLLocationManager()
            locationManager.desiredAccuracy = kCLLocationAccuracyBest
            locationManager.requestAlwaysAuthorization()
            locationManager.requestWhenInUseAuthorization()
            locationManager.startUpdatingLocation()
        }

        //Zoom to user location
        let noLocation = CLLocationCoordinate2D()
        let viewRegion = MKCoordinateRegionMakeWithDistance(noLocation, 200, 200)
        mapView.setRegion(viewRegion, animated: false)

        DispatchQueue.main.async {
            locationManager.startUpdatingLocation()
        }

    }

非常感谢任何帮助！

Answer 1

听起来你在 info.plist 中混用了语法。您说您添加的其中一个条目写为属性列表属性，另一个作为来源。当我在使用定位服务的应用程序中右键单击 info.plist，然后 select Open As... 然后 Source Code 我看到了这些：

<key>NSLocationWhenInUseUsageDescription</key>
<string>Need your location for this app!</string>
<key>NSLocationAlwaysUsageDescription</key>
<string>This app needs your location</string>

确保您的 info.plist 包含与这些类似的条目，当被视为 源代码 应该可以解决您的问题。

属性列表中的等效项是 隐私 - 使用时的位置描述 和 隐私 - 位置始终使用描述.

Xcode 不允许访问位置信息

Xcode Location access not allowed

xcode

mkmapview

ios

swift3