void AdsPreferenceClick (object sender, Preference.PreferenceClickEventArgs e)
		{
			if (_billingManager == null) {
				_billingManager = new InAppBillingManager (this);
				_billingManager.Connected += HandleConnected;
			} else
				HandleConnected (null, EventArgs.Empty);
		}
		protected override void OnCreate (Android.OS.Bundle savedInstanceState)
		{
			base.OnCreate (savedInstanceState);
			GoogleAnalyticsManager.ReportScreenEnter (this.GetType ().FullName);

			CountForStarts ();

			if (_billingManager == null) {
				_billingManager = new InAppBillingManager (this);
				_billingManager.Connected += HandleConnected;
				_billingManager.HasPaiedChanged += HandleHasPaiedChanged;
			}
		}