private bool determineIsUpgrade(ApplicationDataContainer container, PackageVersion packageVersion)
{
var persistedAppVersion = LastApplicationVersion;
if (persistedAppVersion == null)
{
return(false);
}
var currentAppVersion = ApplicationInfoBuilder.GetAppVersion(packageVersion);
return(!(currentAppVersion.Equals(persistedAppVersion)));
}
public void Initialize(PackageVersion packageVersion)
{
dataContainer =
ApplicationData.Current.LocalSettings.CreateContainer(options.DataContainer, ApplicationDataCreateDisposition.Always);
IsFirstRun = determineIsFirstRun(dataContainer);
if (IsFirstRun)
{
FirstRunTimeMillis = DateTimeOffset.Now.ToUnixTimeMilliseconds();
}
IsUpgrade = determineIsUpgrade(dataContainer, packageVersion);
LastApplicationVersion = ApplicationInfoBuilder.GetAppVersion(packageVersion);
}