private async Task ExecuteFetchFriendsCommand() { if (IsBusy) { return; } IsBusy = true; try { if (await ConnectivityService.IsConnected()) { await FriendService.RefreshPendingFriendsList(); } else { DialogService.ShowError(Strings.NoInternetConnection); } } catch (Exception ex) { Logger.Report(ex); } IsBusy = false; }