public async Task <UserCoordinates> retrieveUserLocation()
{
UserCoordinates c = new UserCoordinates();
if (IsGPSRunning())
{
//Get current location.
var locator = CrossGeolocator.Current;
var position = await locator.GetPositionAsync(TimeSpan.FromSeconds(10));
c.longitude = position.Longitude;
c.latitude = position.Latitude;
return(c);
}
else
{
c.longitude = 120.98158;
c.latitude = 14.60537;
return(c);
}
}
public async void OnMapReady(GoogleMap googleMap)
{
try
{
//retrieve your current location and current station based on dataset
UserCoordinates c = new UserCoordinates();
c = await retrieveUserLocation();
Activity.RunOnUiThread(() =>
{
MapsInitializer.Initialize(Activity);
this.GMap = googleMap;
GMap.UiSettings.ZoomControlsEnabled = true;
LatLng latlng = new LatLng(c.latitude, c.longitude);
CameraUpdate camera = CameraUpdateFactory.NewLatLngZoom(latlng, 18);
GMap.AnimateCamera(camera);
GMap.UiSettings.ZoomControlsEnabled = false;
options = new MarkerOptions().SetPosition(latlng).SetTitle("My location");
GMap.AddMarker(options);
});
}
catch (Exception ex)
{
Toast.MakeText(Activity, ex.Message, ToastLength.Short).Show();
}
}
public static UserCoordinates Capture(UserCoordinates userCoordinates, string[] coordinatesFromTerminalArguments)
{
userCoordinates.Latitude = double.Parse(coordinatesFromTerminalArguments[0]);
userCoordinates.Longitude = double.Parse(coordinatesFromTerminalArguments[1]);
return(userCoordinates);
}
public void NearestHardpoint_NearOrigin_ReturnsOriginHardpoint(float x, float y)
{
var uc = new UserCoordinates()
{
HardpointCoordinates = new PointF(x, y)
};
Assert.AreEqual(new Hardpoint(0, 0, 0), uc.NearestHardpoint());
}
public void NearestNHardpoints_N5_Returns5Hardpoints()
{
var uc = new UserCoordinates()
{
HardpointCoordinates = new PointF(0, 0)
};
Assert.AreEqual(5, uc.NearestNHardpoints(5).Count);
}
public void NearestNHardpoints_N4AtUnambiguousPoint_ReturnsHardpointsInDistanceOrder()
{
var uc = new UserCoordinates()
{
HardpointCoordinates = new PointF(.6f, .7f)
};
var actual = uc.NearestNHardpoints(4);
Assert.AreEqual(new Hardpoint(1, 1, 0), actual[0]);
Assert.AreEqual(new Hardpoint(0, 1, 0), actual[1]);
Assert.AreEqual(new Hardpoint(1, 0, 0), actual[2]);
Assert.AreEqual(new Hardpoint(0, 0, 0), actual[3]);
}
public void CaptureUserCoordinates_ShouldWork()
{
UserCoordinates userCoordinates = new UserCoordinates();
string[] coordinates = { "45.7838552", "24.1515281" };
UserCoordinatesCapture.Capture(userCoordinates, coordinates);
string actual = userCoordinates.Latitude.ToString() + " " + userCoordinates.Longitude.ToString();
string expected = "45.7838552 24.1515281";
Assert.Equal(expected, actual);
}
public void NearestNHardpoints_N4NearCenterOfGridSquare_ReturnsGridCorners(float x, float y)
{
var uc = new UserCoordinates()
{
HardpointCoordinates = new PointF(x, y)
};
var actual = uc.NearestNHardpoints(4).ToList();
foreach (var expectedHardpoint in new[]
{
new Hardpoint(0, 0, 0),
new Hardpoint(0, 1, 0),
new Hardpoint(1, 0, 0),
new Hardpoint(1, 1, 0)
})
{
Assert.Contains(expectedHardpoint, actual);
}
}
public void CoffeeShopDistanceCalculator_ShouldWork()
{
UserCoordinates userCoordinates = new UserCoordinates
{
Latitude = 45.7838552,
Longitude = 24.1515281
};
List <CoffeeShop> coffeeShopsList = new List <CoffeeShop>()
{
new CoffeeShop()
{
Latitude = 45.7826201, Longitude = 24.1465759
},
new CoffeeShop()
{
Latitude = 44.4514467, Longitude = 26.0827712
},
new CoffeeShop()
{
Latitude = 48.1817174, Longitude = 16.3798455
}
};
CoffeeShopDistanceCalculator.Calculate(userCoordinates, coffeeShopsList);
List <string> actualCoffeeShopList = new List <string>();
foreach (var coffeeShop in coffeeShopsList)
{
actualCoffeeShopList.Add($"{MathUtilities.RoundValue(coffeeShop.DistanceToUser, 4)}");
}
var actual = string.Join(", ", actualCoffeeShopList);
var expected = "0.408, 211.9753, 646.8313";
Assert.Equal(expected, actual);
}
public void NearestNHardpoints_N9AtLocationNearOrigin_ReturnsHardpointsAroundOrigin(float x, float y)
{
var uc = new UserCoordinates()
{
HardpointCoordinates = new PointF(x, y)
};
var actual = uc.NearestNHardpoints(9).ToList();
foreach (var expectedHardpoint in new[]
{
new Hardpoint(-1, -1, 0),
new Hardpoint(-1, 0, 0),
new Hardpoint(-1, 1, 0),
new Hardpoint(0, -1, 0),
new Hardpoint(0, 0, 0),
new Hardpoint(0, 1, 0),
new Hardpoint(1, -1, 0),
new Hardpoint(1, 0, 0),
new Hardpoint(1, 1, 0)
})
{
Assert.Contains(expectedHardpoint, actual);
}
}
