internal static async Task PreLaunchAsync(LaunchActivatedEventArgs e)
{
// Start tracking app usage (launch count, uptime, ...)
try
{
// Make the AppUptime cumulative over sessions.
// v1.0
// Does not work because AppUptime returns TimeSpan.MinValue too often.
// var uptimeSoFar = SystemInformation.AppUptime;
// if (uptimeSoFar == TimeSpan.MinValue)
// {
// uptimeSoFar = TimeSpan.FromSeconds(0);
// }
// v2.0
var uptimeSoFar = TimeSpan.FromTicks(new LocalObjectStorageHelper().Read <long>("AppUptime", 0));
SystemInformation.TrackAppUse(e); // Resets AppUptime to 0.
SystemInformation.AddToAppUptime(uptimeSoFar);
}
catch (Exception)
{
SystemInformation.TrackAppUse(e);
}
await Task.CompletedTask;
}
