public UserProfile(string userId)
{
InitializeComponent();
this.BindingContext = viewModel = new UserProfileViewModel(userId);
SimListView.ItemTapped += async(object sender, ItemTappedEventArgs e) =>
{
var item = e.Item as Sim;
await Shell.Current.Navigation.PushAsync(new SimDetail(item.Id));
};
SimListView.ItemAppearing += async(object sender, ItemVisibilityEventArgs e) =>
{
var Sim = e.Item as Sim;
if (Sim.Id == viewModel.Data.LastOrDefault().Id)
{
await viewModel.LoadMoreData();
}
};
}
