如何在 listView Xamarin Android 中使用具有多个 Textview 列的 ArrayAdapter

Question

我有 4 列的列表视图，例如 ItemLookupCode、Quantity、Description、Price

我正在添加完整代码，我在按钮单击时对列表进行排序。

我在跟随 Populate() 调用 4 textview 时遇到问题

 protected override void OnCreate(Bundle savedInstanceState)
        {
            base.OnCreate(savedInstanceState);
            SetContentView(Resource.Layout.PriceCheckList);
            List<string> list = new List<string>();
            foreach (crItem item in listObject)
            {
                list.Add(item.ItemLookupCode);
                list.Add(Convert.ToString(item.Quantity));
                list.Add(item.Description);
                list.Add(Convert.ToString(item.Price));
            }
           spacecrafts = list.ToArray(); 
            this.InitializeViews();
            this.SortData(ascending);
            this.ascending = !ascending;
       }
            SortBtnItemLookupCode.Click += sortBtn_Click;
void sortBtn_Click(object sender, EventArgs e)
        {
            SortData(ascending);
            this.ascending = !ascending;
        }
        private void InitializeViews()
        {
            listView = FindViewById<ListView>(Resource.Id.listView);
            SortBtnItemLookupCode = FindViewById<Button>(Resource.Id.SortBtnItemLookupCode);
        }


 private void Populate()
        {
                ArrayAdapter adapter = new ArrayAdapter<string>(this, Resource.Layout.PriceCheckListTemplate, Resource.Id.lblItemLookupCode, spacecrafts);
                listView.SetAdapter(adapter);
        }

private void SortData(bool asc)
        {
            if (asc)
            {
                Array.Sort(spacecrafts);
            }
            else
            {
                Array.Reverse(spacecrafts);
            }
                Populate();
            }
        }

我想将以上 4 个对象分配给 Textview，但目前 ArrayAdapter 只接受一个 Textview，就像我在 Resource.Id.lblItemLookupCode 下面使用的一样，但是我如何将 4 个对象分配给 ArrayAdapter 中的 4 个列 Textview

帮助非常感谢 提前致谢

Answer 1

尝试创建模型类为listView的项目定义数据，然后自定义一个自定义适配器来填充数据。

检查代码：

public class MainActivity : AppCompatActivity
{
    protected override void OnCreate(Bundle savedInstanceState)
    {
        base.OnCreate(savedInstanceState);
        // Set our view from the "main" layout resource
        SetContentView(Resource.Layout.activity_main);

        string[] items = new string[] { "Vegetables", "Fruits", "Flower Buds", "Legumes", "Bulbs", "Tubers" };
        List<CustomModel> list = new List<CustomModel>();
        //add data
        CustomAdapter adapter = new CustomAdapter(list);

        ListView listview_ = FindViewById<ListView>(Resource.Id.listview_);
        listview_.SetAdapter(adapter);
    }
}

public class CustomModel
{
    public string Value1 { get; set; }
    ...
}

public class CustomAdapter : BaseAdapter<CustomModel>
{
    List<CustomModel> list = new List<CustomModel>();
    public _Adapter(List<CustomModel> list)
    {
        this.list = list;
    }

    public override CustomModel this[int position]
    {
        get
        {
            return list[position];
        }
    }

    public override int Count
    {
        get
        {
            return list.Count;
        }
    }

    public override long GetItemId(int position)
    {
        return position;
    }

    public override View GetView(int position, View convertView, ViewGroup parent)
    {
        var view = convertView;
        view = LayoutInflater.From(parent.Context).Inflate(Resource.Layout.layout1, parent, false);

        //specify value to the each textView
        var textview = view.FindViewById<TextView>(Resource.Id.text_1);
        textview.Text = list[position].Value1;
        ...

        return view;
    }
}