/// <summary>
/// An asynchronous wrapper around Skobbler's NearbySearch()
/// </summary>
/// <param name="nearbySearchObj">The nearby search object</param>
/// <exception cref="SKSearchStatusException">Thrown if the searchStatus returned by NearbySearch() is not equal to SkSearchNoError</exception>
/// <returns>An IList of SKSearchResult</returns>
public async Task <IList <SKSearchResult> > NearbySearchAsync(SKNearbySearchSettings nearbySearchObj)
{
var taskCompletionSource = new TaskCompletionSource <IList <SKSearchResult> >();
var searchListener = new SKSearchListener(taskCompletionSource);
SetSearchListener(searchListener);
SKSearchStatus searchStatus = NearbySearch(nearbySearchObj);
if (searchStatus != SKSearchStatus.SkSearchNoError)
{
taskCompletionSource.TrySetException(new SKSearchStatusException(searchStatus, "The search status returned by NearbySearch is not SKSearchNoError"));
}
return(await taskCompletionSource.Task);
}
private void StartSearch()
{
SKSearchManager searchManager = new SKSearchManager(this);
SKNearbySearchSettings searchObject = new SKNearbySearchSettings
{
Location = new SKCoordinate(13.387165, 52.516929),
Radius = 1500,
SearchResultsNumber = 300,
SearchTerm = String.Empty,
};
searchObject.SetSearchCategories(MainCategories);
SKSearchStatus status = searchManager.NearbySearch(searchObject);
if (status != SKSearchStatus.SkSearchNoError)
{
Toast.MakeText(this, "An error occurred", ToastLength.Short).Show();
}
}
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
SetContentView(Resource.Layout.activity_list);
FindViewById <TextView>(Resource.Id.label_operation_in_progress).Text = Resources.GetString(Resource.String.searching);
_listView = FindViewById <ListView>(Resource.Id.list_view);
_searchManager = new SKSearchManager(this);
SKNearbySearchSettings nearbySearchObject = new SKNearbySearchSettings
{
Location = new SKCoordinate(Intent.GetDoubleExtra("longitude", 0), Intent.GetDoubleExtra("latitude", 0)),
Radius = Intent.GetShortExtra("radius", (short)0),
SearchTerm = Intent.GetStringExtra("searchTopic"),
};
SKSearchStatus status = _searchManager.NearbySearch(nearbySearchObject);
if (status != SKSearchStatus.SkSearchNoError)
{
Toast.MakeText(this, "An error occurred", ToastLength.Short).Show();
}
}
//Serializer invokes this through reflection -> can be private.
private SKSearchStatusException(SerializationInfo info, StreamingContext context)
: base(info, context)
{
_searchStatus = (SKSearchStatus)info.GetValue("SearchStatus", typeof(SKSearchStatus));
}
internal SKSearchStatusException(SKSearchStatus searchStatus, string message, Exception inner)
: base(message, inner)
{
_searchStatus = searchStatus;
}
internal SKSearchStatusException(SKSearchStatus searchStatus)
{
_searchStatus = searchStatus;
}
