public async void SetAlert(StationFeature selectedFeature)
{
string err = string.Empty;
try
{
//set CurrentReminder
if (this.CurrentStation != null)
{
ReminderStation newAlert = new ReminderStation();
List <StationInfo> infoList = new List <StationInfo>();
foreach (StationFeature feature in this.CurrentStation.response.resultSet.busLine.stationData.StationFeatures)
{
if (feature.type.StartsWith("L"))
{
continue;
}
StationInfo info = new StationInfo();
info.stationId = feature.stationId;
info.caption = feature.caption;
string[] points = feature.points.txt.Split(',');
info.longitude = double.Parse(points[0]);
info.latitude = double.Parse(points[1]);
if (selectedFeature.stationId.Equals(feature.stationId))
{
info.isReminder = true;
info.displayText = info.caption + " (到站提醒)";
info.displayStyle = "ReminderTextStyle";
}
else
{
info.isReminder = false;
info.displayText = info.caption;
info.displayStyle = "BasicTextStyle";
}
infoList.Add(info);
}
newAlert.name = this.CurrentStation.response.resultSet.busLine.name;
newAlert.StationInfos = infoList.ToArray();
newAlert.alertResponse = false;
newAlert.alertDisplaying = false;
this.ResetReminder(newAlert);
loadView(typeof(ReminderPage));
}
else
{
this.ShowStationChoose();
var messageDialog = new MessageDialog("请先选择线路！");
await messageDialog.ShowAsync();
}
}
catch (Exception e)
{
err = e.Message;
}
if (err != null && err != string.Empty)
{
this.ShowStationChoose();
var messageDialog = new MessageDialog("线路数据有误，请重新选择");
await messageDialog.ShowAsync();
}
}
public async void CheckReminder()
{
lock (reminderLock)
{
if (this.CurrentReminderStation != null)
{
bool needAlert = false;
StationInfo neareastInfo = null;
double distance = double.MaxValue;
foreach (StationInfo info in this.CurrentReminderStation.StationInfos)
{
double len = (info.longitude - this.CurrentSogoLongitude) * (info.longitude - this.CurrentSogoLongitude) +
(info.latitude - this.CurrentSogoLatitude) * (info.latitude - this.CurrentSogoLatitude);
if (info.isReminder && len < MinDistanceToAlert)
{
needAlert = true;
neareastInfo = info;
distance = len;
break;
}
if (len < distance)
{
distance = len;
neareastInfo = info;
}
}
if (neareastInfo != null)
{
this.CurrentReminderStation.status = "靠近站点" + neareastInfo.caption;
}
if (needAlert && !this.CurrentReminderStation.alertResponse)
{
if (this.notification != null && this.CurrentReminderStation.alertDisplaying)
{
return;
}
this.CurrentReminderStation.needAlert = true;
this.CurrentReminderStation.status = "即将到站！！！" + this.CurrentReminderStation.status;
IToastText02 toastContent = ToastContentFactory.CreateToastText02();
// Set the launch activation context parameter on the toast.
// The context can be recovered through the app Activation event
toastContent.Launch = "reminder";
toastContent.TextHeading.Text = "即将到站提醒";
toastContent.TextBodyWrap.Text = neareastInfo.caption + " 就要到了，请准备下车，以免坐过站";
this.notification = toastContent.CreateNotification();
this.notification.Dismissed += toast_Dismissed;
ToastNotificationManager.CreateToastNotifier().Show(this.notification);
this.CurrentReminderStation.alertDisplaying = true;
this.loadView(typeof(ReminderPage));
}
}
}
}
