private async void OnSearchButtonClicked(string text)
{
searchBar.ResignFirstResponder();
SearchCityIndicator.StartAnimating();
try
{
var geocoder = new CLGeocoder();
var placemarkArray = await geocoder.GeocodeAddressAsync(searchBar.Text);
if (placemarkArray.Length > 0)
{
var firstPosition = placemarkArray[0];
var locationLatitude = firstPosition.Location.Coordinate.Latitude;
var locationLongitude = firstPosition.Location.Coordinate.Longitude;
var locationName = firstPosition.Name;
if (!string.IsNullOrEmpty(locationName))
{
if (UserSettings.IsFavoriteAlreadyInList(locationName))
{
//Display Alert
var okAlertController = UIAlertController.Create("City Name",
"is already in List.", UIAlertControllerStyle.Alert);
okAlertController.AddAction(UIAlertAction.Create("Ok", UIAlertActionStyle.Default, null));
PresentViewController(okAlertController, true, null);
}
else
{
var loc = new Location
{
name = locationName,
latitude = locationLatitude,
longitude = locationLongitude
};
InvokeOnMainThread(() =>
{
favorites.Add(loc);
UserSettings.SaveFavorites(favorites);
// update table view
AddLocationTableView.Source = new AddLocationTableViewSource(favorites, this);
AddLocationTableView.ReloadData();
});
}
}
searchBar.Text = "";
searchBar.Placeholder = "Enter a City";
}
}
catch (Exception ex)
{
//Display Alert
var okAlertController = UIAlertController.Create("Could not find location",
"Please try again", UIAlertControllerStyle.Alert);
okAlertController.AddAction(UIAlertAction.Create("Ok", UIAlertActionStyle.Default, null));
PresentViewController(okAlertController, true, null);
}
SearchCityIndicator.StopAnimating();
}
void ReleaseDesignerOutlets()
{
if (AddLocationTableView != null)
{
AddLocationTableView.Dispose();
AddLocationTableView = null;
}
if (searchBar != null)
{
searchBar.Dispose();
searchBar = null;
}
if (SearchCityIndicator != null)
{
SearchCityIndicator.Dispose();
SearchCityIndicator = null;
}
}
