public async void InitializeCityInfo()
{
int retry = 0;
bool failed = true;
while (retry < 3 && failed)
{
//get city info base on current location
try
{
string url = SogoMapService.GetCityInfoURL();
HttpRequestMessage request = new HttpRequestMessage(HttpMethod.Get, url);
HttpResponseMessage response = await httpClient.SendAsync(request,
HttpCompletionOption.ResponseHeadersRead);
string result = "";
using (Stream responseStream = await response.Content.ReadAsStreamAsync())
{
int read = 0;
byte[] responseBytes = new byte[1000];
do
{
read = await responseStream.ReadAsync(responseBytes, 0, responseBytes.Length);
string tmp = System.Text.Encoding.GetEncoding("GBK").GetString(responseBytes, 0, read);
result += tmp;
}while (read != 0);
}
this.CurrentCity = SogoMapService.GetCityInfo(result);
this.CurrentCityName = this.CurrentCity.response.city;
this.cityText.Text = this.CurrentCityName;
failed = false;
}
catch
{
failed = true;
retry++;
}
}
if (retry == 3 && failed)
{
var messageDialog = new MessageDialog("无法定位到城市信息，请稍后重新定位城市");
await messageDialog.ShowAsync();
}
}
public async void Select_Line(string lineId)
{
int retry = 0;
bool failed = true;
while (retry < 3 && failed)
{
string err = string.Empty;
try
{
string url = SogoMapService.GetLineInfoURL(lineId);
HttpRequestMessage request = new HttpRequestMessage(HttpMethod.Get, url);
HttpResponseMessage response = await httpClient.SendAsync(request,
HttpCompletionOption.ResponseHeadersRead);
string result = "";
using (Stream responseStream = await response.Content.ReadAsStreamAsync())
{
int read = 0;
byte[] responseBytes = new byte[1000];
do
{
read = await responseStream.ReadAsync(responseBytes, 0, responseBytes.Length);
string tmp = System.Text.Encoding.GetEncoding("GBK").GetString(responseBytes, 0, read);
result += tmp;
}while (read != 0);
}
this.CurrentStation = SogoMapService.GetStationInfo(result);
/*
* if (CurrentStation != null)
* {
* string points = "";
* StationFeature[] features = CurrentStation.response.resultSet.busLine.stationData.StationFeatures;
*
* for (int i = 0; i < features.Length; i++)
* {
* if (features[i].type.StartsWith("L"))
* {
* continue;
* }
* points += features[i].points.txt;
* points += ";";
* }
* url = SogoMapService.GetTranslationInfoURL(points.Substring(0, points.Length - 1));
* AsyncQueryData query = new AsyncQueryData();
* query.url = url;
* query.queryData();
* result = query.result;
*
* TranslationLocation translation = SogoMapService.GetTranslationInfo(result);
*
* if (translation != null)
* {
* TranslationPoint[] translatedpoints = translation.response.points;
* features = CurrentStation.response.resultSet.busLine.stationData.StationFeatures;
*
* int step = 0;
* for (int i = 0; i < features.Length; i++)
* {
* if (features[i].type.StartsWith("L"))
* {
* continue;
* }
* if (step < translatedpoints.Length)
* {
* features[i].longitude = translatedpoints[step].longitude;
* features[i].latitude = translatedpoints[step].latitude;
* step++;
* }
* }
* }
* }* */
loadView(typeof(StationChoose));
failed = false;
}
catch
{
failed = true;
retry++;
}
}
if (retry == 3 && failed)
{
var messageDialog = new MessageDialog("搜索结果有误，请稍后重新搜索");
await messageDialog.ShowAsync();
}
}
private async void SearchBtn_Click(object sender, RoutedEventArgs e)
{
if (this.CurrentCityName == null || this.CurrentCityName == string.Empty)
{
var messageDialog = new MessageDialog("请先定位城市，然后再搜索");
await messageDialog.ShowAsync();
return;
}
//Helpers.ScenarioStarted(searchBtn, cancelBtn);
int retry = 0;
bool failed = true;
while (retry < 3 && failed)
{
try
{
string lineId = this.lineTextbox.Text;
string url = SogoMapService.GetBusInfoURL(this.CurrentCityName, lineId);
HttpRequestMessage request = new HttpRequestMessage(HttpMethod.Get, url);
HttpResponseMessage response = await httpClient.SendAsync(request,
HttpCompletionOption.ResponseHeadersRead);
string result = "";
using (Stream responseStream = await response.Content.ReadAsStreamAsync())
{
int read = 0;
byte[] responseBytes = new byte[1000];
do
{
read = await responseStream.ReadAsync(responseBytes, 0, responseBytes.Length);
string tmp = System.Text.Encoding.GetEncoding("GBK").GetString(responseBytes, 0, read);
result += tmp;
}while (read != 0);
}
this.CurrentBus = SogoMapService.GetBusInfo(result);
if (this.CurrentBus != null && this.CurrentBus.response.busError != null)
{
failed = false;
var messageDialog = new MessageDialog(this.CurrentBus.response.busError.errMsg);
await messageDialog.ShowAsync();
return;
}
else if (this.CurrentBus != null)
{
failed = false;
loadView(typeof(BusLineChoose));
return;
}
}
catch
{
failed = true;
retry++;
}
}
if (retry == 3 && failed)
{
var messageDialog = new MessageDialog("搜索结果有误，请修改搜索值重新搜索");
await messageDialog.ShowAsync();
}
}
void ageol_PositionChanged(AGeolocator sender, APositionChangedEventArgs args)
{
this.Dispatcher.RunAsync(CoreDispatcherPriority.High, async() =>
{
CurrentLocation = args.LngLat;
try
{
//update current location
if (this.currentViewType != null && this.currentViewType == typeof(MapView))
{
AMarker marker = new AMarker();
marker.LngLat = this.CurrentLocation;
marker.IconURI = new Uri("http://api.amap.com/webapi/static/Images/marker_sprite.png ");
ATip tip = new ATip();
tip.Title = "当前位置";
tip.ContentText = "Current Position";
marker.TipFrameworkElement = tip;
this.map.Children.Clear();
this.map.Children.Add(marker);
marker.OpenTip();
}
if (DateTime.Now.ToFileTime() - lastUpdate.ToFileTime() < 30000000)
{
return;
}
//convert location to sogo location
string points = string.Format("{0},{1}", CurrentLocation.LngX, CurrentLocation.LatY);
string url = SogoMapService.GetTranslationInfoURL(points);
HttpRequestMessage request = new HttpRequestMessage(HttpMethod.Get, url);
HttpResponseMessage response = await httpClient.SendAsync(request,
HttpCompletionOption.ResponseHeadersRead);
string result = "";
using (Stream responseStream = await response.Content.ReadAsStreamAsync())
{
int read = 0;
byte[] responseBytes = new byte[1000];
do
{
read = await responseStream.ReadAsync(responseBytes, 0, responseBytes.Length);
string tmp = System.Text.Encoding.GetEncoding("GBK").GetString(responseBytes, 0, read);
result += tmp;
}while (read != 0);
}
TranslationLocation translation = SogoMapService.GetTranslationInfo(result);
if (translation != null && translation.response.points.Length == 1)
{
this.CurrentSogoLongitude = translation.response.points[0].longitude;
this.CurrentSogoLatitude = translation.response.points[0].latitude;
}
}
catch
{
}
//check whether need alert
this.CheckReminder();
this.lastUpdate = DateTime.Now;
});
}
