private void cmdAllow_Click(object sender, EventArgs e)
{
var settings = AppSettings.Instance;
var justInstalled = settings.AllowAnalytics == null;
settings.AllowAnalytics = true;
AnalyticsTracker.Collect();
if (justInstalled)
{
AnalyticsTracker.Track(
"new_instance");
}
NavigationService.GoBack();
}