void LocationManager_LocationsUpdated(object sender, CLLocationsUpdatedEventArgs e)
{
locationManager.StopUpdatingLocation();
var l = e.Locations[0].Coordinate;
coder = new CLGeocoder();
coder.ReverseGeocodeLocation(new CLLocation(l.Latitude, l.Longitude), (placemarks, error) =>
{
var city = placemarks[0].Locality;
var state = placemarks[0].AdministrativeArea;
var weather = new XAMWeatherFetcher(city, state);
var result = weather.GetWeather();
InvokeOnMainThread(() =>
{
info.Text = result.Temp + "°F " + result.Text;
latLong.Text = l.Latitude + ", " + l.Longitude;
cityField.Text = result.City;
stateField.Text = result.State;
getWeatherButton.Enabled = true;
getLocationButton.Enabled = true;
});
});
}
private async void ButtonGetWeather_Click(object sender, EventArgs e)
{
if (isBusy)
{
return;
}
isBusy = true;
try
{
var city = editTextCity.Text.Trim();
var state = editTextState.Text.Trim();
buttonGetWeather.Enabled = false;
var weather = new XAMWeatherFetcher(city, state);
var result = await Task.Run(() => weather.GetWeather());
textViewWeather.Text = result.Temp + "°F " + result.Text;
}
catch (Exception)
{
textViewWeather.Text = "Unable to get weather";
}
finally
{
progressBar.Visibility = ViewStates.Invisible;
buttonGetWeather.Enabled = true;
isBusy = true;
}
}
public WeatherView()
{
nfloat h = 31.0f;
nfloat w = Bounds.Width;
cityField = new UITextField {
Placeholder = "City",
BorderStyle = UITextBorderStyle.RoundedRect,
};
stateField = new UITextField {
Placeholder = "State Code",
BorderStyle = UITextBorderStyle.RoundedRect,
SecureTextEntry = false,
};
info = new UILabel {
TextAlignment = UITextAlignment.Center
};
latLong = new UILabel {
TextAlignment = UITextAlignment.Center
};
getWeatherButton = UIButton.FromType(UIButtonType.RoundedRect);
getWeatherButton.SetTitle("Get Weather", UIControlState.Normal);
getWeatherButton.Layer.CornerRadius = 5f;
getWeatherButton.TouchUpInside += delegate {
getWeatherButton.Enabled = false;
var weather = new XAMWeatherFetcher(cityField.Text, stateField.Text);
var result = weather.GetWeather();
info.Text = result.Temp + " " + result.Text;
getWeatherButton.Enabled = true;
};
getLocationButton = UIButton.FromType(UIButtonType.RoundedRect);
getLocationButton.SetTitle("Get Location", UIControlState.Normal);
getLocationButton.Layer.CornerRadius = 5f;
getLocationButton.TouchUpInside += delegate {
if (locationManager == null)
{
locationManager = new CLLocationManager();
locationManager.RequestWhenInUseAuthorization();
locationManager.LocationsUpdated += LocationManager_LocationsUpdated;
}
getWeatherButton.Enabled = false;
getLocationButton.Enabled = false;
locationManager.StartUpdatingLocation();
};
// Stack views make it easier to handle auto layout
var mainStackView = new UIStackView {
TranslatesAutoresizingMaskIntoConstraints = false,
Axis = UILayoutConstraintAxis.Vertical,
Spacing = 10
};
AddSubview(mainStackView);
// Constaints for the stack view
mainStackView.TopAnchor.ConstraintEqualTo(LayoutMarginsGuide.TopAnchor, 30).Active = true;
mainStackView.LeadingAnchor.ConstraintEqualTo(LayoutMarginsGuide.LeadingAnchor).Active = true;
mainStackView.TrailingAnchor.ConstraintEqualTo(LayoutMarginsGuide.TrailingAnchor).Active = true;
// Add the labels to a new stack view to align them horizontally
var labelsStackView = new UIStackView {
Axis = UILayoutConstraintAxis.Horizontal,
Distribution = UIStackViewDistribution.FillEqually
};
labelsStackView.AddArrangedSubview(getWeatherButton);
labelsStackView.AddArrangedSubview(getLocationButton);
// Add all the UI elements to the main stack view
mainStackView.AddArrangedSubview(cityField);
mainStackView.AddArrangedSubview(stateField);
mainStackView.AddArrangedSubview(labelsStackView);
mainStackView.AddArrangedSubview(info);
mainStackView.AddArrangedSubview(latLong);
}