/// <summary>Lifecycle suspend.</summary>
/// <param name="sender">The source of the suspend request.</param>
/// <param name="e">Details about the suspend request.</param>
private async void OnSuspending(object sender, SuspendingEventArgs e)
{
LoggingService.LogInfo($"OnSuspending {e.SuspendingOperation.ToString()}", Windows.Foundation.Diagnostics.LoggingLevel.Information);
// This is the most accurate thing that we can tell the user.
// There is no way to know if the app is being terminated or just suspended for fun.
if (_notPrelaunchSuspend)
{
LoggingService.LogInfo("App is suspending.", Windows.Foundation.Diagnostics.LoggingLevel.Information);
}
else
{
LoggingService.LogInfo("OnSuspending - Prelaunch", Windows.Foundation.Diagnostics.LoggingLevel.Information);
}
// If the deferral is not obtained the suspension proceeds at the end of this method.
// With the deferral there is still a 5 second time limit to completing suspension code.
// The deferral allows code to be awaited in this method.
var deferral = e.SuspendingOperation.GetDeferral();
var completer = new TaskCompletionSource <object>();
AddSessionTask(completer.Task);
await BroadcasterService.Instance.Suspending.Invoke(completer, true, true);
await completer.Task;
_networking?.Suspend();
DatapointService.Instance.Suspend();
WebSocketConnection.Instance.Suspend();
VirtualDeviceService.Stop();
deferral.Complete();
}
/// <summary>
/// The most important method => starts the party! Initiates everything that needs to be intiates
/// </summary>
/// <returns>Task that indicated when it's done</returns>
public async Task StartSession()
{
using (var db = new MainDbContext())
{
db.Database.Migrate();
}
WebSocketConnection.Instance.TryStart();
await StartOrKillNetworkManagerBasedOnSettings();
VirtualDeviceService.UpdateBasedONSettings();
}
/// <summary>Ends session, deletes database and unsets all credentials.</summary>
/// <returns></returns>
public async Task SignOut()
{
await EndSession();
SettingsService.Instance.UnsetCreds();
SettingsService.Instance.ResetDatabaseAndPostSettings();
VirtualDeviceService.UpdateBasedONSettings();
await StartOrKillNetworkManagerBasedOnSettings();
// Delete the database.
var localFolder = ApplicationData.Current.LocalFolder;
await(await localFolder.GetItemAsync(MainDbContext.FileName)).DeleteAsync();
}
private async void OnResuming(object sender, object e)
{
LoggingService.LogInfo($"OnResuming ", Windows.Foundation.Diagnostics.LoggingLevel.Information);
var completer = new TaskCompletionSource <object>();
AddSessionTask(completer.Task);
await BroadcasterService.Instance.Resuming.Invoke(completer, true, true);
await completer.Task;
_networking?.Resume();
DatapointService.Instance.Resume();
WebSocketConnection.Instance.Resume();
VirtualDeviceService.UpdateBasedONSettings();
}
