DemoPage.Xaml.cs

DemoPage

 public partial class DemoPage : ContentPage
    {
        public DemoPage()
        {
            InitializeComponent();
            myList.FlowItemsSource = new List<string>
            {
                "Usa","India","Brazil","Germany","England","France","Argentina"
                "Columbia","Usa","India","Brazil","Germany","England","France","Argentina"
                "Columbia","Usa","India","Brazil","Germany","England","France","Argentina"
                "Columbia","Usa","India","Brazil","Germany","England","France","Argentina"
                "Columbia","Usa","India","Brazil","Germany","England","France","Argentina"
                "Columbia","Usa","India","Brazil","Germany","England","France","Argentina"
                "Columbia","Usa","India","Brazil","Germany","England","France","Argentina"
                "Columbia",
            };

            myList.FlowUseAbsoluteLayoutInternally = true;
            myList.FlowColumnCount = 5;
            myList.FlowRowBackgroundColor=Color.Green;
            myList.FlowColumnExpand=FlowColumnExpand.Proportional;
        }

        private void FlowListView_OnFlowItemTapped(object sender, ItemTappedEventArgs e)
        {
            DisplayAlert("_OnFlowItemTapped", "_OnFlowItemTapped", "ok");
            var grourp = e.Group;
            var xyz = e.Item;
       

        }

        private void FlowListView_OnFlowItemAppearing(object sender, ItemVisibilityEventArgs e)
        {
            DisplayAlert("OnFlowItemAppearing", "OnFlowItemAppearing", "ok");
        }

        private void FlowListView_OnFlowItemDisappearing(object sender, ItemVisibilityEventArgs e)
        {
            DisplayAlert("OnFlowItemDisappearing", "OnFlowItemDisappearing", "ok");
        }
    }