BuildIt.Bot.Client.Impl.Droid.BotClientActivityBase.OnResume C# (CSharp) Method

        protected override void OnResume()
        {
            base.OnResume();

            try
            {
                MessagingCenter.Subscribe<GcmService, string>(this, Constants.SuccessSubscriptionMsg, (service, s) => { RegistrationSuccessful?.Invoke(s); });
                MessagingCenter.Subscribe<GcmService, Exception>(this, Constants.FailureSubscriptionMsg, (service, e) => { RegistrationFailure?.Invoke(e); });

                Settings.Instance.IsAppInForeground = true;
            }
            catch (Exception e)
            {
                Debug.WriteLine(e);
            }
        }