protected override async Task InitializeAsync()
{
await base.InitializeAsync();
if (Location != null)
{
#region foreground monitoring
_foregroundIndoorLocationManager = new EILIndoorLocationManager();
EstimoteForegroundIndoorLocationManagerDelegate foregroundLocationManagerDelegate = new EstimoteForegroundIndoorLocationManagerDelegate();
foregroundLocationManagerDelegate.UpdatedPositionAsync += async(position, accuracy, location) =>
{
EstimoteIndoorLocationAccuracy accuracyEnum = (EstimoteIndoorLocationAccuracy)Enum.Parse(typeof(EstimoteIndoorLocationAccuracy), accuracy.ToString(), true);
await StoreDatumAsync(new EstimoteIndoorLocationDatum(DateTimeOffset.UtcNow, position.X, position.Y, position.Orientation, accuracyEnum, location.Name, location.Identifier, location, position));
};
_foregroundIndoorLocationManager.Delegate = foregroundLocationManagerDelegate;
#endregion
#region background monitoring
_backgroundIndoorLocationManager = new EILBackgroundIndoorLocationManager();
EstimoteBackgroundIndoorLocationManagerDelegate backgroundLocationManagerDelegate = new EstimoteBackgroundIndoorLocationManagerDelegate();
backgroundLocationManagerDelegate.UpdatedPositionAsync += async(position, accuracy, location) =>
{
EstimoteIndoorLocationAccuracy accuracyEnum = (EstimoteIndoorLocationAccuracy)Enum.Parse(typeof(EstimoteIndoorLocationAccuracy), accuracy.ToString(), true);
await StoreDatumAsync(new EstimoteIndoorLocationDatum(DateTimeOffset.UtcNow, position.X, position.Y, position.Orientation, accuracyEnum, location.Name, location.Identifier, location, position));
};
_backgroundIndoorLocationManager.Delegate = backgroundLocationManagerDelegate;
#endregion
}
}
public override bool FinishedLaunching(UIApplication application, NSDictionary launchOptions)
{
// get your app ID and token on:
// https://cloud.estimote.com/#/apps/add/your-own-app
ESTConfig.SetupAppIdAndToken("app ID", "app token");
locationManager = new EILIndoorLocationManager();
// C# style delegates, i.e., events & event handlers
locationManager.DidUpdatePosition += (sender, e) =>
{
Debug.WriteLine($"DidUpdatePosition: {e.Position.X}, {e.Position.Y}");
};
locationManager.DidFailToUpdatePosition += (sender, e) =>
{
Debug.WriteLine($"DidFailToUpdatePosition: {e.Error}");
};
// For Obj-C style delegates, you'd want to have a class that derives from EILIndoorLocationManagerDelegate, implements the DidUpdatePosition and DidFailToUpdatePosition methods, and do:
// locationManager.Delegate = myDelegateObject;
//
// Or, implement the DidUpdatePosition and DidFailToUpdatePosition methods on any class, and do:
// locationManager.WeakDelegate = myDelegateObject;
//
// The latter is helpful in some cases, because Xamarin Delegates are implemented as classes, not interfaces, and thus are subject to the "single-class inheritance" rule.
//
// For example, you can't have AppDelegate be both UIApplicationDelegate and EILIndoorLocationManagerDelegate.
// But you can implement the EILIndoorLocationManagerDelegate methods in your AppDelegate, and assign it as a WeakDelegate.
Debug.WriteLine("Fetching location…");
new EILRequestFetchLocation("my-test-location").SendRequest((location, error) =>
{
if (location != null)
{
Debug.WriteLine("Fetching location success! Starting position updates");
locationManager.StartPositionUpdatesForLocation(location);
}
else
{
Debug.WriteLine($"Can't fetch location: {error}");
}
});
return(true);
}
public override void DidFailToUpdatePosition(EILIndoorLocationManager locationManager, NSError error)
{
SensusServiceHelper.Get().Logger.Log("Failed to update indoor location position: " + error, LoggingLevel.Normal, GetType());
}
public override async void DidUpdatePosition(EILIndoorLocationManager locationManager, EILOrientedPoint position, EILPositionAccuracy positionAccuracy, EILLocation location)
{
await(UpdatedPositionAsync?.Invoke(position, positionAccuracy, location) ?? Task.CompletedTask);
}
