ChipsViewRenderer.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Text;

using Android.App;
using Android.Content;
using Android.OS;
using Android.Runtime;
using Android.Support.Design.Chip;
using Android.Views;
using Android.Widget;
using Java.Lang;
using MaterialChipsDemo;
using MaterialChipsDemo.Droid;
using Xamarin.Forms;
using Xamarin.Forms.Platform.Android;
[assembly: ExportRenderer(typeof(ChipsControl), typeof(ChipsViewRenderer))]
namespace MaterialChipsDemo.Droid
{
    public class ChipsViewRenderer:Xamarin.Forms.Platform.Android.AppCompat.ViewRenderer<ChipsControl,Android.Support.Design.Chip.ChipGroup>
    {
        ChipGroup chipGroupLayout;
        ChipsControl chipsControl;
        Activity activity;
        string chipText;
        public ChipsViewRenderer(Context ctx) : base(ctx)
        {
        }

        protected override void OnElementChanged(ElementChangedEventArgs<ChipsControl> e)
        {
            base.OnElementChanged(e);
            if (e.NewElement != null)
            {
                chipsControl = e.NewElement as ChipsControl;
            }
            if (e.OldElement != null || Element == null)
            {
                return;
            }
            try
            {
               // chipText = chipsControl.ChipText;
                SetupUserInterface();
            }
            catch (System.Exception ex)
            {
                System.Diagnostics.Debug.WriteLine(@"ERROR: ", ex.Message);
            }
        }

        private void SetupUserInterface()
        {
            try
            {
                activity = this.Context as Activity;
                chipGroupLayout = (ChipGroup)LayoutInflater.From(Context).Inflate(Resource.Layout.ChipGroupXml, null);





                string input = "hello world xamarin Forms";

                var tags = input?.Split(" ");

                foreach (var tag in tags)
                {
                    var chip = (Chip)LayoutInflater.From(Context).Inflate(Resource.Layout.ChipItem, null);
                    chip.Text = tag;
                    chipGroupLayout.AddView(chip);
                }

                SetNativeControl(chipGroupLayout);
            }
            catch (System.Exception ex)
            {

                System.Diagnostics.Debug.WriteLine(@"ERROR: ", ex.Message);
            }
           
        }

        //protected override void OnElementPropertyChanged(object sender, PropertyChangedEventArgs e)
        //{
        //    base.OnElementPropertyChanged(sender, e);
        //    var control = sender as ChipsControl;
        //    chipText = control.ChipText;
        //    SetupUserInterface();
        //}
    }
}