public void UpdateSearchResults(string query)
{
if (!string.IsNullOrEmpty(query))
{
// create search request
var searchRequest = new MKLocalSearchRequest
{
NaturalLanguageQuery = query,
Region = new MKCoordinateRegion(map.UserLocation.Coordinate, new MKCoordinateSpan(0.25, 0.25))
};
// perform search
var localSearch = new MKLocalSearch(searchRequest);
localSearch.Start((response, error) =>
{
if (response != null && error == null)
{
items = new List <MKMapItem>(response.MapItems);
this.TableView.ReloadData();
}
else
{
Console.WriteLine($"local search error: {error?.LocalizedDescription ?? ""}");
}
});
}
}
public void Search(string forSearchString)
{
// create search request
var searchRequest = new MKLocalSearchRequest();
searchRequest.NaturalLanguageQuery = forSearchString;
//searchRequest.Region = new MKCoordinateRegion(map.UserLocation.Coordinate, new MKCoordinateSpan(0.75, 0.75));
const double lat = 43.161030;
const double lon = -77.610924;
var mapCenter = new CLLocationCoordinate2D(lat, lon);
searchRequest.Region = new MKCoordinateRegion(mapCenter, new MKCoordinateSpan(0.75, 0.75));
// perform search
var localSearch = new MKLocalSearch(searchRequest);
localSearch.Start(delegate(MKLocalSearchResponse response, NSError error)
{
if (response != null && error == null)
{
this.MapItems = response.MapItems.ToList();
this.TableView.ReloadData();
}
else
{
Console.WriteLine("local search error: {0}", error);
}
});
}
// TODO: Step 5c - Search for items of interest in the current map view
private void SearchForLocationsNearPosition(MKMapView mapView)
{
var searchRequest = new MKLocalSearchRequest();
searchRequest.NaturalLanguageQuery = "Bakery";
searchRequest.Region = mapView.Region;
var localSearch = new MKLocalSearch(searchRequest);
localSearch.Start(delegate(MKLocalSearchResponse response, NSError error)
{
if (response != null && error == null)
{
var items = response.MapItems.ToList();
PlotItems(mapView, items);
// zoom in on the first item we plotted
var firstItem = items.FirstOrDefault();
if (firstItem != null)
{
MKCoordinateSpan span = new MKCoordinateSpan(0.8, 0.8);
CLLocationCoordinate2D coord = new CLLocationCoordinate2D(
firstItem.Placemark.Location.Coordinate.Latitude,
firstItem.Placemark.Location.Coordinate.Longitude);
mapView.Region = new MKCoordinateRegion(coord, span);
}
}
else
{
Console.WriteLine("local search error: {0}", error);
}
});
}
// Performs a natural language search for locations in the map's region that match the `searchBar`'s text.
void PerformSearch()
{
var request = new MKLocalSearchRequest();
request.NaturalLanguageQuery = SearchBar.Text;
const double multiplier = RegionQueryDegreeMultiplier;
var querySpan = new MKCoordinateSpan(MapView.Region.Span.LatitudeDelta * multiplier, MapView.Region.Span.LongitudeDelta * multiplier);
request.Region = new MKCoordinateRegion(MapView.Region.Center, querySpan);
var search = new MKLocalSearch(request);
var matchingItems = new List <MKMapItem> ();
search.Start((response, error) => {
MKMapItem[] mapItems = null;
if (response != null)
{
mapItems = response.MapItems ?? new MKMapItem[0];
}
foreach (var item in mapItems)
{
matchingItems.Add(item);
var annotation = new MKPointAnnotation();
annotation.Coordinate = item.Placemark.Coordinate;
annotation.Title = item.Name;
MapView.AddAnnotation(annotation);
}
});
}
void search(object sender, EventArgs e)
{
var searcRequest = new MKLocalSearchRequest();
searcRequest.NaturalLanguageQuery = searchBar.Text;
searcRequest.Region = new MKCoordinateRegion(map.UserLocation.Coordinate, new MKCoordinateSpan(0.25, 0.25));
var activeSearch = new MKLocalSearch(request: searcRequest);
activeSearch.Start(delegate(MKLocalSearchResponse response, NSError error) {
if (response != null && error == null)
{
double latitude = response.Region.Center.Latitude;
double longitude = response.Region.Center.Longitude;
var annotation = new MKPointAnnotation();
annotation.Title = searchBar.Text;
annotation.Coordinate = new CLLocationCoordinate2D(latitude, longitude);
map.AddAnnotation(annotation);
map.SetRegion(response.Region, animated: true);
}
else
{
Console.WriteLine("ERROR");
}
});
}
public void EmptyRequest()
{
if (!TestRuntime.CheckSystemAndSDKVersion(6, 1))
{
Assert.Inconclusive("Requires iOS 6.1");
}
using (var lsr = new MKLocalSearchRequest())
using (MKLocalSearch ls = new MKLocalSearch(lsr)) {
lsr.Region = new MKCoordinateRegion(new CLLocationCoordinate2D(47, -71), new MKCoordinateSpan(1, 1));
bool wait = true;
ls.Start((MKLocalSearchResponse response, NSError error) => {
wait = false;
});
Assert.True(ls.IsSearching, "IsSearching");
// wait a bit before cancelling the search (so it really starts)
// otherwise IsSearching might never complete (on iOS8) and seems very random (in earlier versions)
NSRunLoop.Main.RunUntil(NSDate.Now.AddSeconds(2));
ls.Cancel();
#if false
// give it some time to cancel - but eventually time out
int counter = 0;
while (wait && (counter < 5))
{
NSRunLoop.Main.RunUntil(DateTime.Now.AddSeconds(counter));
counter++;
}
Assert.False(ls.IsSearching, "IsSearching/Cancel");
#endif
}
}
private void LoadLocations()
{
if (_coords == null)
{
return;
}
var coordinate = new CLLocationCoordinate2D(_coords.Value.Latitude, _coords.Value.Longitude);
var localSearch = new MKLocalSearch(new MKLocalSearchRequest()
{
NaturalLanguageQuery = "coffee",
Region = new MKCoordinateRegion(coordinate, new MKCoordinateSpan(1.25, 1.25))
});
localSearch.Start((response, error) => {
if (response != null && error == null)
{
_locations = response.MapItems;
_parent.OnLocationsUpdate(_locations);
}
else
{
Console.WriteLine("local search error: {0}", error);
}
});
}
public void Search (string forSearchString)
{
// create search request
var searchRequest = new MKLocalSearchRequest ();
searchRequest.NaturalLanguageQuery = forSearchString;
searchRequest.Region = new MKCoordinateRegion (map.UserLocation.Coordinate, new MKCoordinateSpan (0.25, 0.25));
// perform search
var localSearch = new MKLocalSearch (searchRequest);
localSearch.Start (delegate (MKLocalSearchResponse response, NSError error) {
if (response != null && error == null) {
this.MapItems = response.MapItems.ToList ();
this.TableView.ReloadData ();
} else {
Console.WriteLine ("local search error: {0}", error);
}
});
}
public void Search(string forSearchString)
{
//erstelle SUchanfrage
var searchRequest = new MKLocalSearchRequest();
searchRequest.NaturalLanguageQuery = forSearchString;
searchRequest.Region = new MKCoordinateRegion(mapView.UserLocation.Coordinate, new MKCoordinateSpan(0.25, 0.25));
var localSearch = new MKLocalSearch(searchRequest);
localSearch.Start(delegate(MKLocalSearchResponse response, NSError error)
{
if (response != null && error == null)
{
this.MapItems = response.MapItems.ToList();
this.TableView.ReloadData();
}
else
{
}
});
}
public void Search(string forSearchString)
{
var searchRequest = new MKLocalSearchRequest();
searchRequest.NaturalLanguageQuery = forSearchString;
searchRequest.Region = new MKCoordinateRegion(mapa.UserLocation.Coordinate, new MKCoordinateSpan(0.25, 0.25));
var localSearch = new MKLocalSearch(searchRequest);
localSearch.Start(delegate(MKLocalSearchResponse response, NSError error)
{
if (response != null && error == null)
{
this.MapItems = response.MapItems.ToList();
this.TableView.ReloadData();
}
else
{
Console.WriteLine("Lokální chyba vyhledávání: {0}", error);
}
});
}
void Search(string what, string where)
{
var coord = here == null?Parse(where) : here.Coordinate;
MKCoordinateSpan span = new MKCoordinateSpan(0.25, 0.25);
MKLocalSearchRequest request = new MKLocalSearchRequest();
request.Region = new MKCoordinateRegion(coord, span);
request.NaturalLanguageQuery = what;
MKLocalSearch search = new MKLocalSearch(request);
search.Start(delegate(MKLocalSearchResponse response, NSError error) {
// this is executed in the application main thread
if (response == null || error != null)
{
return;
}
var section = new Section("Search Results for " + what);
results.Clear();
foreach (MKMapItem mi in response.MapItems)
{
results.Add(mi);
var element = new StyledStringElement(mi.Name, mi.PhoneNumber, UITableViewCellStyle.Subtitle);
element.Accessory = UITableViewCellAccessory.DisclosureIndicator;
element.Tapped += () => { results [element.IndexPath.Row].OpenInMaps(); };
section.Add(element);
}
var root = new RootElement("MapKit Search Sample")
{
section
};
var dvc = new DialogViewController(root);
(window.RootViewController as UINavigationController).PushViewController(dvc, true);
});
}
// TODO: Step 5a - search for an address
private void SearchForAddress(MKMapView mapView)
{
var searchRequest = new MKLocalSearchRequest();
searchRequest.NaturalLanguageQuery = "Main Street, New York, NY";
// searchRequest.Region = new MKCoordinateRegion (mapView.UserLocation.Coordinate, new MKCoordinateSpan (0.25, 0.25));
// perform search
var localSearch = new MKLocalSearch(searchRequest);
localSearch.Start(delegate(MKLocalSearchResponse response, NSError error)
{
if (response != null && error == null)
{
var items = response.MapItems.ToList();
PlotItems(mapView, items);
}
else
{
Console.WriteLine("local search error: {0}", error);
}
});
}
public override bool ShouldReloadForSearchString(UISearchDisplayController controller, string forSearchString)
{
// create search request
var searchRequest = new MKLocalSearchRequest();
searchRequest.NaturalLanguageQuery = forSearchString;
searchRequest.Region = new MKCoordinateRegion(map.UserLocation.Coordinate, new MKCoordinateSpan(0.25, 0.25));
// perform search
var localSearch = new MKLocalSearch(searchRequest);
localSearch.Start(delegate(MKLocalSearchResponse response, NSError error) {
if (response != null && error == null)
{
((SearchSource)controller.SearchResultsSource).MapItems = response.MapItems.ToList();
controller.SearchResultsTableView.ReloadData();
}
else
{
Console.WriteLine("local search error: {0}", error);
// In "MKTypes.h" in the MapKit framework, the following is defined:
//
// Error constants for the Map Kit framework.
//
// enum MKErrorCode {
// MKErrorUnknown = 1,
// MKErrorServerFailure,
// MKErrorLoadingThrottled,
// MKErrorPlacemarkNotFound,
// };
}
});
return(true);
}
//krijg lat en long op basis van adres
public void GetPosition()
{
var myVM = this.ViewModel as AddContactInfoViewModel;
if (myVM != null)
{
//krijg lat en long op basis van adres string
var searchRequest = new MKLocalSearchRequest();
searchRequest.NaturalLanguageQuery = myVM.Location.ToString();
var localSearch = new MKLocalSearch(searchRequest);
localSearch.Start(delegate(MKLocalSearchResponse response, NSError error)
{
if (response != null && error == null)
{
myVM.Location.Lat = response.MapItems[0].Placemark.Location.Coordinate.Latitude;
myVM.Location.Lon = response.MapItems[0].Placemark.Location.Coordinate.Longitude;
}
else
{
Console.WriteLine("local search error: {0}", error);
}
});
}
}
void SearchLocal(object sender, EventArgs e)
{
MKLocalSearchRequest request = new MKLocalSearchRequest();
request.NaturalLanguageQuery = CustomMapView.SearchText;
request.Region = NativeMapView.Region;
MKLocalSearch search = new MKLocalSearch(request);
search.Start((MKLocalSearchResponse response, Foundation.NSError error) =>
{
if (error != null)
{
System.Diagnostics.Debug.WriteLine(error.Description);
}
else if (response.MapItems.Length == 0)
{
System.Diagnostics.Debug.WriteLine("No matches found for search: " + CustomMapView.SearchText);
}
else
{
ClearRoute(null, null);
foreach (MKMapItem mapItem in response.MapItems)
{
MKPointAnnotation annotation = new MKPointAnnotation();
annotation.Coordinate = mapItem.Placemark.Coordinate;
annotation.Title = mapItem.Name;
annotationsList.Add(annotation);
}
NativeMapView.ShowAnnotations(annotationsList.ToArray(), true);
}
});
}
// Performs a natural language search for locations in the map's region that match the `searchBar`'s text.
void PerformSearch ()
{
var request = new MKLocalSearchRequest ();
request.NaturalLanguageQuery = SearchBar.Text;
const double multiplier = RegionQueryDegreeMultiplier;
var querySpan = new MKCoordinateSpan (MapView.Region.Span.LatitudeDelta * multiplier, MapView.Region.Span.LongitudeDelta * multiplier);
request.Region = new MKCoordinateRegion (MapView.Region.Center, querySpan);
var search = new MKLocalSearch (request);
var matchingItems = new List<MKMapItem> ();
search.Start ((response, error) => {
MKMapItem[] mapItems = null;
if (response != null)
mapItems = response.MapItems ?? new MKMapItem[0];
foreach (var item in mapItems) {
matchingItems.Add (item);
var annotation = new MKPointAnnotation ();
annotation.Coordinate = item.Placemark.Coordinate;
annotation.Title = item.Name;
MapView.AddAnnotation (annotation);
}
});
}
public override bool ShouldReloadForSearchString (UISearchDisplayController controller, string forSearchString)
{
// create search request
var searchRequest = new MKLocalSearchRequest ();
searchRequest.NaturalLanguageQuery = forSearchString;
searchRequest.Region = new MKCoordinateRegion (map.UserLocation.Coordinate, new MKCoordinateSpan (0.25, 0.25));
// perform search
var localSearch = new MKLocalSearch (searchRequest);
localSearch.Start (delegate (MKLocalSearchResponse response, NSError error) {
if (response != null && error == null) {
((SearchSource)controller.SearchResultsSource).MapItems = response.MapItems.ToList();
controller.SearchResultsTableView.ReloadData();
} else {
Console.WriteLine ("local search error: {0}", error);
// In "MKTypes.h" in the MapKit framework, the following is defined:
//
// Error constants for the Map Kit framework.
//
// enum MKErrorCode {
// MKErrorUnknown = 1,
// MKErrorServerFailure,
// MKErrorLoadingThrottled,
// MKErrorPlacemarkNotFound,
// };
}
});
return true;
}
void Search (string what, string where)
{
var coord = here == null ? Parse (where) : here.Coordinate;
MKCoordinateSpan span = new MKCoordinateSpan (0.25, 0.25);
MKLocalSearchRequest request = new MKLocalSearchRequest ();
request.Region = new MKCoordinateRegion (coord, span);
request.NaturalLanguageQuery = what;
MKLocalSearch search = new MKLocalSearch (request);
search.Start (delegate (MKLocalSearchResponse response, NSError error) {
// this is executed in the application main thread
if (response == null || error != null)
return;
var section = new Section ("Search Results for " + what);
results.Clear ();
foreach (MKMapItem mi in response.MapItems) {
results.Add (mi);
var element = new StyledStringElement (mi.Name, mi.PhoneNumber, UITableViewCellStyle.Subtitle);
element.Accessory = UITableViewCellAccessory.DisclosureIndicator;
element.Tapped += () => { results [element.IndexPath.Row].OpenInMaps (); };
section.Add (element);
}
var root = new RootElement ("MapKit Search Sample") { section };
var dvc = new DialogViewController (root);
(window.RootViewController as UINavigationController).PushViewController (dvc, true);
});
}
public override bool ShouldReloadForSearchString(UISearchDisplayController controller, string forSearchString)
{
// create search request
var searchRequest = new MKLocalSearchRequest ();
searchRequest.NaturalLanguageQuery = forSearchString;
searchRequest.Region = new MKCoordinateRegion (map.UserLocation.Coordinate, new MKCoordinateSpan (0.25, 0.25));
// perform search
var localSearch = new MKLocalSearch (searchRequest);
localSearch.Start (delegate (MKLocalSearchResponse response, NSError error) {
if (response != null && error == null) {
((SearchSource)controller.SearchResultsSource).MapItems = GetList(response.MapItems);
controller.SearchResultsTableView.ReloadData();
} else {
Console.WriteLine ("local search error: {0}", error);
}
});
return true;
}
// TODO: Step 5a - search for an address
private void SearchForAddress(MKMapView mapView)
{
var searchRequest = new MKLocalSearchRequest ();
searchRequest.NaturalLanguageQuery = "Main Street, New York, NY";
// searchRequest.Region = new MKCoordinateRegion (mapView.UserLocation.Coordinate, new MKCoordinateSpan (0.25, 0.25));
// perform search
var localSearch = new MKLocalSearch (searchRequest);
localSearch.Start (delegate (MKLocalSearchResponse response, NSError error)
{
if (response != null && error == null)
{
var items = response.MapItems.ToList();
PlotItems(mapView, items);
}
else
{
Console.WriteLine ("local search error: {0}", error);
}
});
}
private void LoadLocations() {
if (_coords == null) {
return;
}
var coordinate = new CLLocationCoordinate2D(_coords.Value.Latitude, _coords.Value.Longitude);
var localSearch = new MKLocalSearch (new MKLocalSearchRequest () {
NaturalLanguageQuery = "coffee",
Region = new MKCoordinateRegion (coordinate, new MKCoordinateSpan (1.25, 1.25))
});
localSearch.Start ((response, error) => {
if (response != null && error == null) {
_locations = response.MapItems;
_parent.OnLocationsUpdate (_locations);
} else {
Console.WriteLine ("local search error: {0}", error);
}
});
}
// TODO: Step 5c - Search for items of interest in the current map view
private void SearchForLocationsNearPosition(MKMapView mapView)
{
var searchRequest = new MKLocalSearchRequest();
searchRequest.NaturalLanguageQuery = "Bakery";
searchRequest.Region = mapView.Region;
var localSearch = new MKLocalSearch(searchRequest);
localSearch.Start (delegate (MKLocalSearchResponse response, NSError error)
{
if (response != null && error == null)
{
var items = response.MapItems.ToList();
PlotItems(mapView, items);
// zoom in on the first item we plotted
var firstItem = items.FirstOrDefault();
if (firstItem != null)
{
MKCoordinateSpan span = new MKCoordinateSpan(0.8, 0.8);
CLLocationCoordinate2D coord = new CLLocationCoordinate2D(
firstItem.Placemark.Location.Coordinate.Latitude,
firstItem.Placemark.Location.Coordinate.Longitude);
mapView.Region = new MKCoordinateRegion(coord, span);
}
}
else
{
Console.WriteLine ("local search error: {0}", error);
}
});
}
