c#安卓拍照问题带坑

问题遇到的现象和发生背景

c#安卓拍照问题

问题相关代码，请勿粘贴截图

using Android.App;
using Android.Content;
using Android.OS;
using Android.Runtime;
using Android.Views;
using Android.Widget;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace App_jxgl
{
    [Activity(Label = "PhotoActivity")]
    public class PhotoActivity : Activity
    {
        private Android.Net.Uri photoUri;
        protected override void OnCreate(Bundle savedInstanceState)
        {
            base.OnCreate(savedInstanceState);
            SetContentView(Resource.Layout.Phoot);
            Button bt = FindViewById(Resource.Id.Phootclossbutton);
            bt.Click += Bt_Click;
            saveFullImage();
        }

        private void Bt_Click(object sender, EventArgs e)
        {
            this.Finish();
        }
        private void getThumbnailpicture() { 
        Intent intent=new Intent(Android.Provider.MediaStore.ActionImageCapture);
            StartActivityForResult(intent, 1);

        }
        private void saveFullImage()
        {
            Intent intent = new Intent(Android.Provider.MediaStore.ActionImageCapture);
            string file = System.IO.Path.Combine(Android.OS.Environment.ExternalStorageDirectory.ToString(),
                Android.OS.Environment.DirectoryDcim.ToString(), "test.jpg");

            photoUri = Android.Net.Uri.Parse(file);
            intent.PutExtra(Android.Provider.MediaStore.ExtraOutput, photoUri);
            StartActivityForResult(intent, 1);
        }
        protected override void OnActivityResult(int requestCode, [GeneratedEnum] Result resultCode, Intent data)
        {
          
            base.OnActivityResult(requestCode, resultCode, data);
            if ((requestCode == 1))
            {
                if (data != null)
                {
                    if (data.HasExtra("data"))
                    {
                        var thumbail = data.GetParcelableArrayExtra("data");
                    }
                }
            }
        }
    }
}

运行结果及报错内容

我的解答思路和尝试过的方法

根据书本抄写出来
还行无法获得图片data