internal static bool IsResuming(StartArgs startArgs, out ResumeArgs resumeArgs)
{
if (WasTerminated() && WasSuspended())
{
resumeArgs = new ResumeArgs
{
PreviousExecutionState = ApplicationExecutionState.Terminated,
SuspendDate = GetSuspendDate(),
};
return(true);
}
resumeArgs = null;
return(false);
bool WasTerminated()
{
return(startArgs.Arguments is ILaunchActivatedEventArgs e &&
e.PreviousExecutionState == ApplicationExecutionState.Terminated);
}
bool WasSuspended()
{
return(ApplicationData.Current.LocalSettings.Values.ContainsKey("Suspend_Data"));
}
}
public ApplicationTemplate()
{
InternalInitialize();
_logger.Log("[App.Constructor()]", Category.Info, Priority.None);
(this as IApplicationEvents).WindowCreated += (s, e) =>
{
GestureService.SetupForCurrentView(e.Window.CoreWindow);
};
base.Suspending += async(s, e) =>
{
if (ApplicationData.Current.LocalSettings.Values.ContainsKey("Suspend_Data"))
{
ApplicationData.Current.LocalSettings.Values.Remove("Suspend_Data");
}
ApplicationData.Current.LocalSettings.Values.Add("Suspend_Data", DateTime.Now.ToString());
var deferral = e.SuspendingOperation.GetDeferral();
try
{
OnSuspending();
await OnSuspendingAsync();
}
finally
{
deferral.Complete();
}
};
base.Resuming += async(s, e) =>
{
await InternalStartAsync(new StartArgs(ResumeArgs.Create(ApplicationExecutionState.Suspended), StartKinds.Resume));
};
}
private static void TestResuming(StartArgs startArgs)
{
if (startArgs.Arguments is ILaunchActivatedEventArgs e &&
e.PreviousExecutionState == ApplicationExecutionState.Terminated)
{
if (ApplicationData.Current.LocalSettings.Values.ContainsKey("Suspend_Data"))
{
ApplicationData.Current.LocalSettings.Values.Remove("Suspend_Data");
startArgs.Arguments = ResumeArgs.Create(ApplicationExecutionState.Terminated);
startArgs.StartKind = StartKinds.Resume;
}
}
}
internal static ResumeArgs Create(ApplicationExecutionState state)
{
var args = new ResumeArgs
{
PreviousExecutionState = state
};
if (ApplicationData.Current.LocalSettings.Values.TryGetValue("Suspend_Data", out var value) && value is DateTime date)
{
args.SuspensionDate = date;
}
ApplicationData.Current.LocalSettings.Values.Remove("Suspend_Data");
return(args);
}
public ApplicationTemplate()
{
InternalInitialize();
_logger.Log("[App.Constructor()]", Category.Info, Priority.None);
CoreApplication.Exiting += (s, e) =>
{
var stopArgs = new StopArgs(StopKind.CoreApplicationExiting)
{
CoreApplicationEventArgs = e
};
OnStop(stopArgs);
OnStopAsync(stopArgs).RunSynchronously();
};
WindowService.WindowCreatedCallBacks.Add(Guid.Empty, args =>
{
WindowService.WindowCreatedCallBacks.Remove(Guid.Empty);
args.Window.Closed += (s, e) =>
{
OnStop(new StopArgs(StopKind.CoreWindowClosed)
{
CoreWindowEventArgs = e
});
OnStopAsync(new StopArgs(StopKind.CoreWindowClosed)
{
CoreWindowEventArgs = e
}).RunSynchronously();
};
Windows.UI.Core.Preview.SystemNavigationManagerPreview.GetForCurrentView().CloseRequested += async(s, e) =>
{
var deferral = e.GetDeferral();
try
{
OnStop(new StopArgs(StopKind.CloseRequested)
{
CloseRequestedPreviewEventArgs = e
});
await OnStopAsync(new StopArgs(StopKind.CloseRequested)
{
CloseRequestedPreviewEventArgs = e
});
}
finally
{
deferral.Complete();
}
};
});
base.Suspending += async(s, e) =>
{
SuspensionUtilities.SetSuspendDate(DateTime.Now);
var deferral = e.SuspendingOperation.GetDeferral();
try
{
var stopArgs = new StopArgs(StopKind.Suspending)
{
SuspendingEventArgs = e
};
OnStop(stopArgs);
await OnStopAsync(stopArgs);
}
finally
{
deferral.Complete();
}
};
base.Resuming += async(s, e) =>
{
var resumeArgs = new ResumeArgs
{
PreviousExecutionState = ApplicationExecutionState.Suspended,
};
var startArgs = new StartArgs(resumeArgs, StartKinds.ResumeInMemory);
await InternalStartAsync(startArgs);
};
}