No results in Australia using Bing Maps SOAP - windows-phone-8

Question

I'm creating an app for WP8 and i've been using the Bing Maps tutorial. However I don't get any results in Australia. Do I need to use a completely different API? geolocale contains a string such as "20.002, -150.2222" even if I change it to just "California" it gets results. What am I doing wrong?
I've tried to find answers in a lot of places but can't seem to find anything that's relevant.
try
{
searchService.SearchCompleted += new EventHandler<SearchService.SearchCompletedEventArgs>(MySearchCompleted);
SearchService.SearchRequest mySearchRequest = new SearchService.SearchRequest();
mySearchRequest.Credentials = new SearchService.Credentials();
mySearchRequest.Credentials.ApplicationId = "key";
SearchService.StructuredSearchQuery ssQuery = new SearchService.StructuredSearchQuery();
ssQuery.Keyword = "coffee";
ssQuery.Location = geolocale;
mySearchRequest.StructuredQuery = ssQuery;
searchService.SearchAsync(mySearchRequest);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}

Answer 1

Coordinate 20.002, -150.2222 is in the middle of the Pacific ocean. Also, the Bing Maps SOAP services are an old legacy API. The Bing Spatial Data Services should be used.
http://msdn.microsoft.com/en-us/library/ff701734.aspx
http://rbrundritt.wordpress.com/2012/01/17/dynamically-updating-data-in-bing-maps-v7/

Answer 2

To use the Bing Spatial Data Services in WP8 first copy the Response, ResultSet, and Result classes from this project: http://code.msdn.microsoft.com/Augmented-Reality-with-bcb17045/sourcecode?fileId=85735&pathId=1819751232
You can then use the following code to generate your search query.
string baseURL;
//Switch between the NAVTEQ POI data sets for NA and EU based on where the user is.
if (Longitude < -30)
{
//Use the NAVTEQ NA data source: http://msdn.microsoft.com/en-us/library/hh478192.aspx
baseURL = "http://spatial.virtualearth.net/REST/v1/data/f22876ec257b474b82fe2ffcb8393150/NavteqNA/NavteqPOIs";
}
else
{
//Use the NAVTEQ EU data source: http://msdn.microsoft.com/en-us/library/hh478193.aspx
baseURL = "http://spatial.virtualearth.net/REST/v1/data/c2ae584bbccc4916a0acf75d1e6947b4/NavteqEU/NavteqPOIs";
}
//Search radius should be converted from meters to KM.
string poiRequest = string.Format("{0}?spatialFilter=nearby({1:N5},{2:N5},{3:N2})&$format=json&$top={4}&key={5}",
baseURL, Latitude, Longitude, SearchRadius / 1000, MaxResultsPerQuery, BingMapsKey);
You will need a method to pass this query to and serialize the results. Use the following:
private void GetResponse(Uri uri, Action<Response> callback)
{
System.Net.WebClient client = new System.Net.WebClient();
client.OpenReadCompleted += (s, a) =>
{
try
{
using (var stream = a.Result)
{
DataContractJsonSerializer ser = new DataContractJsonSerializer(typeof(Response));
if (callback != null)
{
callback(ser.ReadObject(stream) as Response);
}
}
}
catch (Exception e)
{
if (callback != null)
{
callback(null);
}
}
};
client.OpenReadAsync(uri);
}
Finally you will need to call the GetResponse method to make your query like this:
GetResponse(new Uri(poiRequest), (response) =>
{
if (response != null &&
response.ResultSet != null &&
response.ResultSet.Results != null &&
response.ResultSet.Results.Length > 0)
{
//Do something with the results
}
});