Esempio n. 1
0
        public async void UpdateSearchResultsForSearchController(UISearchController searchController)
        {
            var searchString = searchController.SearchBar?.Text;

            try {
                ResultStrings = new List <NSAttributedString> ();

                if (!string.IsNullOrWhiteSpace(searchString))
                {
                    LocationResults = await WuAcClient.GetAsync(searchString, true);

                    foreach (var result in LocationResults)
                    {
                        ResultStrings.Add(result.name.GetSearchResultAttributedString(searchString));
                    }
                }
                else
                {
                    LocationResults = new List <WuAcLocation> ();
                }

                if (LocationResults.Any())
                {
                    emptyView.RemoveFromSuperview();
                }
                else if (!emptyView.IsDescendantOfView(ParentViewController.View))
                {
                    initEmptyView();
                }

                TableView?.ReloadData();
            } catch (Exception ex) {
                System.Diagnostics.Debug.WriteLine(ex.Message);
            }
        }
Esempio n. 2
0
        async Task SearchWithStringAsync(ICharSequence constraint)
        {
            //var searchString = searchController.SearchBar?.Text;
            var searchString = constraint?.ToString();

            if (searchString == null)
            {
                LocationResults = new List <WuAcLocation> ();
                ResultStrings   = new List <SpannableString> ();
                //context.RunOnUiThread (adapter.NotifyDataSetInvalidated);
                return;
            }

            bool canceled = false;

            try {
                ResultStrings = new List <SpannableString> ();

                if (!string.IsNullOrWhiteSpace(searchString))
                {
                    LocationResults = await WuAcClient.GetAsync(searchString, true);

                    Java.Lang.Object [] matchObjects = new Java.Lang.Object [LocationResults.Count];

                    for (int i = 0; i < LocationResults.Count; i++)
                    {
                        var name = LocationResults [i].name;

                        ResultStrings.Add(name.GetSearchResultSpannableString(searchString));

                        matchObjects [i] = new Java.Lang.String(name);
                    }

                    filterResults.Values = matchObjects;
                    filterResults.Count  = LocationResults.Count;
                }
                else
                {
                    LocationResults = new List <WuAcLocation> ();
                }
            } catch (System.Exception ex) {
                System.Diagnostics.Debug.WriteLine(ex.Message);

                canceled = true;
            } finally {
                if (!canceled)
                {
                    publish = true;
                    Activity.RunOnUiThread(() => PublishResults(constraint, filterResults));
                }
            }
        }