/// <summary>
/// Invoked when user click on search button, and this event handler will consume Google Places Api,
/// and then populate view model
/// </summary>
/// <param name="sender">The object sender</param>
/// <param name="e">The events args</param>
private async void SearchBarSearchTerm_SearchButtonPressed(object sender, EventArgs e)
{
var searchBar = sender as SearchBar;
if (!string.IsNullOrWhiteSpace(searchBar?.Text))
{
var result = await DownloadHelper.DownloadStringAsync(StrAutoCompleteGoogleApi + searchBar.Text + "&key=" + StrGoogleApiKey);
_viewModel.GoogleMapPlace = JsonConvert.DeserializeObject <GoogleMapPlace>(result);
if (_viewModel.GoogleMapPlace.Status != "OK")
{
await DisplayAlert("Invalid Location", "Something wrong with your search term.\nPlease try to enter a valid location!!!", "Ok");
return;
}
// Because I am stucked in building an autocomplete control, I decided to get the first address.
var addressUrl = StrGeoCodingUrl + _viewModel.GoogleMapPlace.Predictions[0].Description;
var addressGeo = await DownloadHelper.DownloadStringAsync(addressUrl);
_viewModel.GeoCode = JsonConvert.DeserializeObject <GeoCode>(addressGeo);
var lat = _viewModel.GeoCode.Results[0].Geometry.Location.Lat;
var lng = _viewModel.GeoCode.Results[0].Geometry.Location.Lng;
try
{
await _viewModel.InitTweetsByGeoLocation(lat, lng);
}
catch (Exception ex)
{
await DisplayAlert("Error", "Something goes wrong while populating the view model!!!", "Ok");
Debug.WriteLine(ex.Message);
}
}
}
