/// Code to execute on Unhandled Exceptions
private static void UnhandledException(object sender, ApplicationUnhandledExceptionEventArgs e)
{
Log.Error("ScheduledAgent.UnhandledException() \n{0}", e.ToString());
Log.Error("ScheduledAgent.UnhandledException() \n{0}", e.ToString());
if (Debugger.IsAttached)
{
// An unhandled exception has occurred; break into the debugger
//Debugger.Break();
}
}
private void SaveBusTags(BusTag[] busTags)
{
JsonSerializer serializer = new JsonSerializer();
serializer.NullValueHandling = NullValueHandling.Ignore;
try
{
using (StreamWriter sw = new StreamWriter(
IsolatedStorageFile.GetUserStoreForApplication().OpenFile(@"Shared\ShellContent\saved_buses.json",
FileMode.OpenOrCreate, FileAccess.Write, FileShare.None)))
using (JsonWriter writer = new JsonTextWriter(sw))
{
serializer.Serialize(writer, busTags);
}
}
catch (Exception ex)
{
Log.Error(ex.DumpStr());
}
}
public static async void RefreshBusTime(ObservableCollection <BusTagVM> busTags)
{
var tasks = busTags.Select(b => BusTicker.GetBusDueTime(b)).ToList();
var waIdx = Enumerable.Range(0, busTags.Count).ToList();
while (tasks.Count > 0)
{
await Task.Run(() =>
{
int j = Task.WaitAny(tasks.ToArray());
//Debug.WriteLine("Task.WaitAny() returns "+j);
});
for (int i = tasks.Count - 1; i >= 0; --i)
{
if (tasks.Count == 0)
{
break;
}
if (tasks[i].IsCompleted)
{
int fIdx = waIdx[i];
try
{
busTags[fIdx].timeToArrive = tasks[i].Result;
}
catch (Exception ex)
{
Log.Error(ex.DumpStr());
busTags[fIdx].timeToArrive = "網路障礙";
}
waIdx.RemoveAt(i);
tasks.RemoveAt(i);
}
}
}
}
protected override void OnInvoke(ScheduledTask task)
{
try
{
//Log.Create(false);
ShellTile tile = ShellTile.ActiveTiles.FirstOrDefault(x => x.NavigationUri.ToString().Contains("DefaultTitle=FromTile"));
bool bWiFiOnly = false;
IsolatedStorageSettings.ApplicationSettings.TryGetValue("WiFiOnly", out bWiFiOnly);
if ((bWiFiOnly && !WifiConnected()) ||
tile == null)
{
ScheduledActionService.LaunchForTest(task.Name, TimeSpan.FromSeconds(1));
this.NotifyComplete();
return;
}
var busTags = new ObservableCollection <BusTagVM>(
from bus in LoadBusTags() orderby bus.tag select new BusTagVM(bus));
Log.Debug("busTags=" + busTags.DumpArray());
RefreshBusTime(busTags);
//var tasks = busTags.Select(b => BusTicker.GetBusDueTime(b)).ToList();
//var waIdx = Enumerable.Range(0, busTags.Length).ToList();
//while (tasks.Count > 0)
//{
// Task.WaitAny(tasks.ToArray());
// for (int i = tasks.Count - 1; i >= 0; --i)
// {
// if (tasks.Count == 0)
// break;
// if (tasks[i].IsCompleted)
// {
// int fIdx = waIdx[i];
// try
// {
// busTags[fIdx].timeToArrive = tasks[i].Result;
// }
// catch (Exception ex)
// {
// Log.Error(ex.DumpStr());
// busTags[fIdx].timeToArrive = "網路障礙";
// }
// waIdx.RemoveAt(i);
// tasks.RemoveAt(i);
// }
// }
//}
SaveBusTags(busTags.Select(x => x.BusTag).ToArray());
Deployment.Current.Dispatcher.BeginInvoke(() =>
{
Log.Debug("Deployment.Current.Dispatcher.BeginInvoke enter");
try
{
Log.Debug("UpdateTileImage()");
UpdateTileImage(busTags.Select(x => x.BusTag).ToArray());
Log.Debug("Deployment.Current.Dispatcher.BeginInvoke exit");
}
catch (Exception e)
{
Log.Error(e.ToString());
}
finally
{
ScheduledActionService.LaunchForTest(task.Name, TimeSpan.FromSeconds(1));
this.NotifyComplete();
//Log.Close();
}
});
}
catch (Exception e)
{
Log.Error(e.DumpStr());
}
}