StatusChangedEventArgs.Status | status Property

Stato aggiornato dell'oggetto Geolocator.

Sintassi


var status = statusChangedEventArgs.status;

Valore della proprietà

Type: PositionStatus

Stato aggiornato dell'oggetto Geolocator. Lo stato indica la capacità di Geolocator di fornire aggiornamenti di posizione.

Esempi

Con questo esempio di codice viene illustrato come è gestito l'evento StatusChanged.



loc = new Windows.Devices.Geolocation.Geolocator();
// Add event handlers for the statuschanged event.
loc.addEventListener("statuschanged", onStatusChanged);

// Handler for statusChanged event.        
function onStatusChanged(args) {
    var newStatus = args.status;
        document.getElementById('geolocatorStatus').innerHTML =
            getStatusString(newStatus);
}

// display an appropriate error message
function getStatusString(locStatus) {
switch (locStatus) {
    case Windows.Devices.Geolocation.PositionStatus.ready:
        // Location data is available
        return "Location is available.";
                    break;
    case Windows.Devices.Geolocation.PositionStatus.initializing:
         // This status indicates that a location device is still initializing
         return "Location devices are still initializing."; 
         break;
    case Windows.Devices.Geolocation.PositionStatus.noData:
         // No location data is currently available
         return "Data from location services is currently unavailable.";
         break;
    case Windows.Devices.Geolocation.PositionStatus.disabled:
         // The app doesn't have permission to access location,
         // either because location has been turned off.
         return "Your location is currently turned off. " +
             "Change your settings through the Settings charm " +
             " to turn it back on.";
         break;
     case Windows.Devices.Geolocation.PositionStatus.notInitialized:
          // This status indicates that the app has not yet requested
          // location data by calling GetGeolocationAsync() or
          // registering an event handler for the positionChanged event.
          return "Location status is not initialized because " +
                        "the app has not requested location data.";
     case Windows.Devices.Geolocation.PositionStatus.notAvailable:
          // Location is not available on this version of Windows
          return "You do not have the required location services " +
              "present on your system.";
          break;
     default:
          return "Unknown status";
    }
}


Requisiti

Client supportato minimo

Windows 8

Server supportato minimo

Nessuno supportato

Telefono supportato minimo

Windows Phone 8

Spazio dei nomi

Windows.Devices.Geolocation
Windows::Devices::Geolocation [C++]

Metadati

Windows.winmd

Capabilities

location
ID_CAP_LOCATION [Windows Phone]

Vedere anche

StatusChangedEventArgs

 

 

Mostra:
© 2014 Microsoft