CS codebehind file for chat page

Chat.xaml

<?xml version="1.0" encoding="UTF-8"?>
<ContentPage xmlns="http://xamarin.com/schemas/2014/forms" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" x:Class="Chatfer.Pages.Chat" xmlns:fftransformations="clr-namespace:FFImageLoading.Transformations;assembly=FFImageLoading.Transformations" 
 xmlns:ffimageloading="clr-namespace:FFImageLoading.Forms;assembly=FFImageLoading.Forms" >
    <ContentPage.Padding>
        <OnPlatform x:TypeArguments="Thickness">
            <OnPlatform.Platforms>
                <On Platform="iOS" Value="0, 40, 0, 0" />
                <On Platform="Android, UWP" Value="0, 0, 0, 0" />
            </OnPlatform.Platforms>
        </OnPlatform>
    </ContentPage.Padding>
    <ContentPage.Content>
        <StackLayout>
            <StackLayout HorizontalOptions="FillAndExpand" Orientation="Horizontal" BackgroundColor="#727272">
                <Button Text="&lt; Back" FontAttributes="Bold" FontSize="14" TextColor="#FBFBFB" HorizontalOptions="StartAndExpand" BackgroundColor="Transparent" Clicked="Back_Clicked"/>
                <Label x:Name="nameLabel" HorizontalOptions="CenterAndExpand" FontSize="24" VerticalOptions="Center" TextColor="#FBFBFB"/>
                <ffimageloading:CachedImage x:Name="recipientImage" HorizontalOptions="EndAndExpand" VerticalOptions="Center" HeightRequest="42" Margin="13,0,16,0">
                    <ffimageloading:CachedImage.Transformations>
                        <fftransformations:CircleTransformation>
                            <x:Arguments>
                                <x:Double>2</x:Double>
                                <x:String>#e8e8e8</x:String>
                            </x:Arguments>
                        </fftransformations:CircleTransformation>
                    </ffimageloading:CachedImage.Transformations>
                </ffimageloading:CachedImage>
            </StackLayout>
            <ListView VerticalOptions="FillAndExpand" HorizontalOptions="Fill" x:Name="msgList" SeparatorVisibility="None" SelectionMode="None" HasUnevenRows="True">
                <ListView.ItemTemplate>
                    <DataTemplate>
                        <ViewCell IsEnabled="False">
                            <Label Text="{Binding Mess}" FontSize="16"  Margin="20,5,20,20" FontFamily="GillSans-Light" TextColor="Gray" HorizontalTextAlignment="{Binding textAlignment}"/>
                        </ViewCell>
                    </DataTemplate>
                </ListView.ItemTemplate>
            </ListView>
            <StackLayout Orientation="Horizontal" VerticalOptions="End">
                <Entry x:Name="enteredMessage"  Placeholder="Say Something..." PlaceholderColor="#d1d1d1" TextColor="#807E7E" HorizontalOptions="FillAndExpand" Keyboard="Chat"/>
                <Button Text="Send" TextColor="#0076FF" FontSize="14" HorizontalOptions="Start" Clicked="Send_Clicked" BackgroundColor="Transparent" FontAttributes="Bold"/>
            </StackLayout>
        </StackLayout>
    </ContentPage.Content>
</ContentPage>

Chat.xaml.cs

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Chatfer.Shared;
using Xamarin.Forms;
using Xamarin.Forms.Xaml;
using SendBird;
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.Runtime.CompilerServices;

namespace Chatfer.Pages
{
    [XamlCompilation(XamlCompilationOptions.Compile)]
    public partial class Chat : ContentPage
    {

        private string name { get; set; }
        private string image { get; set; }
        private int matchUID;
        private int currentUserID;
        public GroupChannel Channel;
        private SendBirdClient.ChannelHandler ch; 

        private ObservableCollection<MessageObj> Messages = new ObservableCollection<MessageObj>();
        //public ObservableCollection<MessageObj> Messages
        //{
        //    get { return messages; }
        //    set
        //    {
        //        messages = value;
        //        OnPropertyChanged(nameof(Messages));
        //    }
        //}
        //public event PropertyChangedEventHandler PropertyChanged;
        //public void OnPropertyChanged([CallerMemberName]string propertyName = null)
        //{
        //    if (PropertyChanged != null)
        //    {
        //        PropertyChanged(this, new PropertyChangedEventArgs(propertyName));
        //    }
        //}



        public Chat() { }

        public Chat(string name, string imageURL, int UID)
        {
            InitializeComponent();
            this.name = name;
            this.image = imageURL;
            this.matchUID = UID;
            this.currentUserID = API.userUID;
            msgList.ItemsSource = Messages;
            
            List<string> userIDs = new List<string>();
            ch = new SendBirdClient.ChannelHandler();
            userIDs.Add(this.matchUID.ToString());
            userIDs.Add(API.userUID.ToString());
            GroupChannel.CreateChannelWithUserIds(userIDs, true, (GroupChannel groupChannel, SendBirdException err) => {

                if (err != null)
                {
                    // Error.
                    return;
                }
                Channel = groupChannel;
            });

            ch.OnMessageReceived = (BaseChannel baseChannel, BaseMessage baseMessage) => {
                //Debug.WriteLine("MSG Received");
                //Debug.WriteLine(((UserMessage)baseMessage).Message);
                Messages.Add(new MessageObj(((UserMessage)baseMessage).Message, TextAlignment.Start));
                msgList.ScrollTo(Messages.Last(), ScrollToPosition.End, false);
            };
            SendBirdClient.AddChannelHandler(currentUserID.ToString() + matchUID.ToString(), ch);
        }

        public class MessageObj
        {
            public string Mess { get; set; }
            public TextAlignment textAlignment { get; set; }

            public MessageObj(string Mess, TextAlignment textAlignment)
            {
                this.Mess = Mess;
                this.textAlignment = textAlignment;
            }
        }
        
        //    private string _mess;
        //    private TextAlignment _textAlignment;

        //    public string Mess
        //    {
        //        get { return _mess; }
        //        set
        //        {
        //            _mess = value;
        //            OnPropertyChanged("Mess");
        //        }
        //    }

        //    public TextAlignment Alignment
        //    {
        //        get { return _textAlignment; }
        //        set
        //        {
        //            _textAlignment = value;
        //            OnPropertyChanged("Alignment");
        //        }
        //    }

        //    public event PropertyChangedEventHandler PropertyChanged;
        //    public void OnPropertyChanged([CallerMemberName]string propertyName = null)
        //    {
        //        if (PropertyChanged != null)
        //        {
        //            PropertyChanged(this, new PropertyChangedEventArgs(propertyName));
        //        }
        //    }
        //}

        protected override void OnAppearing()
        {
            base.OnAppearing();
            LoadChat(); //Function that adds Data to Messages Collection 
        }

        protected override void OnDisappearing()
        {
            base.OnDisappearing();
        }



    }
}