///<inheritdoc/>
public async Task <IEnumerable <IPlaceResult> > GetPredictions(string query, MapSpan bounds)
{
if (apiClient == null || !apiClient.IsConnected)
{
Connect();
}
List <IPlaceResult> result = new List <IPlaceResult>();
double mDistanceInMeters = bounds.Radius.Meters;
double latRadian = bounds.LatitudeDegrees;
double degLatKm = 110.574235;
double degLongKm = 110.572833 * Math.Cos(latRadian);
double deltaLat = mDistanceInMeters / 1000.0 / degLatKm;
double deltaLong = mDistanceInMeters / 1000.0 / degLongKm;
double minLat = bounds.Center.Latitude - deltaLat;
double minLong = bounds.Center.Longitude - deltaLong;
double maxLat = bounds.Center.Latitude + deltaLat;
double maxLong = bounds.Center.Longitude + deltaLong;
if (buffer != null)
{
buffer.Dispose();
buffer = null;
}
buffer = await PlacesClass.GeoDataApi.GetAutocompletePredictionsAsync(
apiClient,
query,
new LatLngBounds(new LatLng(minLat, minLong), new LatLng(maxLat, maxLong)),
null);
if (buffer != null)
{
result.AddRange(buffer.Select(i =>
new TKNativeAndroidPlaceResult
{
Description = i.GetPrimaryText(null),
Subtitle = i.GetSecondaryText(null),
PlaceId = i.PlaceId,
}));
}
return(result);
}
public async Task GetPredictionsFromPlacesAPI(string searchText, LatLngBounds bounds)
{
if (this._apiClient == null || !this._apiClient.IsConnected)
{
ConnectToPlacesAPI();
}
//List<IPlaceResult> result = new List<IPlaceResult>();
if (autocompletePredictionBuffer != null)
{
autocompletePredictionBuffer.Dispose();
autocompletePredictionBuffer = null;
}
autocompletePredictionBuffer = await PlacesClass.GeoDataApi.GetAutocompletePredictionsAsync(this._apiClient, searchText, bounds, null);
if (autocompletePredictionBuffer != null)
{
if (autocompletePredictionBuffer.Status.IsSuccess)
{
if (autocompletePredictionBuffer.Count > 0)
{
ClearRoute(null, null);
IAutocompletePrediction pred;
List <string> placeIds = new List <string>();
for (int i = 0; i < autocompletePredictionBuffer.Count; i++)
{
pred = autocompletePredictionBuffer.ElementAt(i);
placeIds.Add(pred.PlaceId);
}
PlaceBuffer placeBuffer = await PlacesClass.GeoDataApi.GetPlaceByIdAsync(this._apiClient, placeIds.ToArray());
if (placeBuffer == null || !placeBuffer.Any())
{
System.Diagnostics.Debug.WriteLine("No results found for individual place details for search: " + searchText);
return;
}
else
{
IPlace placeDetails;
LatLngBounds.Builder builder = new LatLngBounds.Builder();
for (int i = 0; i < placeBuffer.Count; i++)
{
placeDetails = placeBuffer.ElementAt(i);
this.AddMarker(placeDetails.NameFormatted.ToString(), placeDetails.LatLng);
builder.Include(placeDetails.LatLng);
}
LatLngBounds newBounds = builder.Build();
CameraUpdate cu = CameraUpdateFactory.NewLatLngBounds(newBounds, 120);
googleMap.AnimateCamera(cu);
}
}
else
{
System.Diagnostics.Debug.WriteLine("No results found for search: " + searchText);
}
}
else
{
System.Diagnostics.Debug.WriteLine(autocompletePredictionBuffer.Status.StatusMessage);
}
//result.AddRange(this._buffer.Select(i =>
// new TKNativeAndroidPlaceResult
// {
// Description = i.GetPrimaryText(null),
// Subtitle = i.GetSecondaryText(null),
// PlaceId = i.PlaceId,
// }));
}
//return result;
}