/// <summary>
/// Invoked when application execution is being suspended. Application state is saved
/// without knowing whether the application will be terminated or resumed with the contents
/// of memory still intact.
/// </summary>
/// <param name="sender">The source of the suspend request.</param>
/// <param name="e">Details about the suspend request.</param>
private void OnSuspending(object sender, SuspendingEventArgs e)
{
SuspendingDeferral deferral = e.SuspendingOperation.GetDeferral();
MetroEventSource.ToastAsync("Shokpod suspended!");
deferral.Complete();
}
private async void BeginExtendedExecution()
{
ClearExtendedExecution();
var newSession = new ExtendedExecutionSession
{
Reason = ExtendedExecutionReason.Unspecified,
Description = "Keep Shokpod running in background"
};
newSession.Revoked += ExtendedExecutionSession_RevokedAsync;
ExtendedExecutionResult result = await newSession.RequestExtensionAsync();
switch (result)
{
case ExtendedExecutionResult.Allowed:
MetroEventSource.ToastAsync("Request for background execution granted!");
extendedExecutionSession = newSession;
break;
default:
case ExtendedExecutionResult.Denied:
MetroEventSource.ToastAsync("Request for background execution denied!");
newSession.Dispose();
break;
}
}
private void OnRecordingQueueEvent(object sender, RecordingQueue.RecordingQueueEventArgs e)
{
if (e.Record != null)
{
Debug("Persisted acceleration of " + e.Record.Value.Acceleration + "G.");
MetroEventSource.ToastAsync("Persisted acceleration of " + e.Record.Value.Acceleration + "G.");
}
else if (e.Response != null)
{
Debug("HTTP call to the ShokPod remote server failed with error: '" + e.Response + ".'");
}
else if (e.Exception != null)
{
Debug("Exception while saving data to the remote server." + e.Exception.Message);
}
else if (e.MaximumImpact != null)
{
Debug("Recording acceleration of " + e.MaximumImpact.Value.Acceleration + "G.");
}
}
private async void ExtendedExecutionSession_RevokedAsync(object sender, ExtendedExecutionRevokedEventArgs args)
{
await Windows.ApplicationModel.Core.CoreApplication.MainView.CoreWindow.Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
switch (args.Reason)
{
case ExtendedExecutionRevokedReason.Resumed:
MetroEventSource.ToastAsync("Extended execution revoked due to returning to foreground.");
BeginExtendedExecution();
break;
case ExtendedExecutionRevokedReason.SystemPolicy:
MetroEventSource.ToastAsync("Extended execution revoked due to system policy.");
ClearExtendedExecution();
break;
default:
ClearExtendedExecution();
break;
}
});
}
