XamarinDosya Kurt Holland

Activity1.cs

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

using Android.App;
using Android.Content;
using Android.OS;
using Android.Runtime;
using Android.Views;
using Android.Widget;

namespace listview
{  
    [Activity(Label = "Activity1")]
    public class Activity1 : Activity
    {
       TextView textView1;
        protected override void OnCreate(Bundle savedInstanceState)
        {
            base.OnCreate(savedInstanceState);

            // Create your application here
            SetContentView(Resource.Layout.layout1);
            textView1 = FindViewById<TextView>(Resource.Id.textView1);
            textView1.Text = "";
        }
    }
}

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:minWidth="25px"
    android:minHeight="25px">
    <ListView
        android:minWidth="25px"
        android:minHeight="25px"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:id="@+id/mainListview" />




</LinearLayout>

layout1.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:gravity="center">
    <TextView
        android:text="Text"
        android:textSize="@dimen/abc_text_size_display_3_material"
        android:gravity="center"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:minWidth="25px"
        android:minHeight="25px"
        android:id="@+id/textView1" />
</LinearLayout>

MainActivity.cs

using Android.App;
using Android.OS;
using Android.Support.V7.App;
using Android.Runtime;
using Android.Widget;

namespace listview
{
    [Activity(Label = "@string/app_name", Theme = "@style/AppTheme", MainLauncher = true)]
    public class MainActivity : AppCompatActivity
    {
        string[] data;
        protected override void OnCreate(Bundle savedInstanceState)
        {
            

            base.OnCreate(savedInstanceState);
            Xamarin.Essentials.Platform.Init(this, savedInstanceState);
            // Set our view from the "main" layout resource
            SetContentView(Resource.Layout.activity_main);
            data = new string[] { "Volkan",
                                  "Isla",
                                  "Skrtel",
                                  "Neto",
                                  "Hasan Ali",
                                  "Souza",
                                  "Ozan",
                                  "Giuliano",
                                  "Alper",
                                  "Valbuena",
                                  "Janssen"};
            //Yeni adaptör oluşturuluyor.
            //Android.Resource.Layout.SimpleListItem1 : Bu parametre listviewımızın tipini belirtiyor.
            ArrayAdapter arrayAdapter = new ArrayAdapter<string>(this, Android.Resource.Layout.SimpleListItem1, data);

            //Main.axml dosyasında ki Listview objemizi çekiyoruz.
            ListView mainListView = FindViewById<ListView>(Resource.Id.mainListview);
            //Adaptör veriliyor.
            mainListView.Adapter = arrayAdapter;

            //Bir veriye tıklandığında yapılacka işlem.
            mainListView.ItemClick += MainListView_ItemClick;
        }
        private void MainListView_ItemClick(object sender, AdapterView.ItemClickEventArgs e)
        {
            //Tıklanan satır yakalanır, ekrana basılır.
            StartActivity(typeof(Activity1));
          //  Toast.MakeText(this, data[e.Position].ToString(), ToastLength.Long).Show();
        }


        public override void OnRequestPermissionsResult(int requestCode, string[] permissions, [GeneratedEnum] Android.Content.PM.Permission[] grantResults)
        {
            Xamarin.Essentials.Platform.OnRequestPermissionsResult(requestCode, permissions, grantResults);

            base.OnRequestPermissionsResult(requestCode, permissions, grantResults);
        }
    }
}