如何将两个适配器添加到一个listView (xamarin android)_带ObservableCollection的Android Xamarin - ListView适配器_在Xamarin.Android中将列表添加到ListView - 腾讯云开发者社区

如何将两个适配器添加到一个listView (xamarin android)

在Xamarin Android中将两个适配器添加到一个ListView的方法是通过创建一个自定义适配器来实现。以下是实现此功能的步骤：

创建自定义适配器类：public class CustomAdapter : BaseAdapter { private List<string> data1; private List<string> data2; private Context context;

   public CustomAdapter(Context context, List<string> data1, List<string> data2)

       this.context = context;

       this.data1 = data1;

       this.data2 = data2;

   public override int Count => data1.Count;

   public override Java.Lang.Object GetItem(int position)

       return null;

   public override long GetItemId(int position)

       return position;

   public override View GetView(int position, View convertView, ViewGroup parent)

       View view = convertView;

       if (view == null)

           LayoutInflater inflater = (LayoutInflater)context.GetSystemService(Context.LayoutInflaterService);

           view = inflater.Inflate(Android.Resource.Layout.SimpleListItem2, null);

       TextView text1 = view.FindViewById<TextView>(Android.Resource.Id.Text1);

       TextView text2 = view.FindViewById<TextView>(Android.Resource.Id.Text2);

       text1.Text = data1[position];

       text2.Text = data2[position];

       return view;

}

在Activity中使用自定义适配器：public class MainActivity : Activity { private ListView listView; private List<string> data1; private List<string> data2;

   protected override void OnCreate(Bundle savedInstanceState)

       base.OnCreate(savedInstanceState);

       SetContentView(Resource.Layout.activity_main);

       listView = FindViewById<ListView>(Resource.Id.listView);

       // 初始化数据

       data1 = new List<string> { "Item 1", "Item 2", "Item 3" };

       data2 = new List<string> { "Description 1", "Description 2", "Description 3" };

       // 创建自定义适配器

       CustomAdapter adapter = new CustomAdapter(this, data1, data2);

       // 设置适配器

       listView.Adapter = adapter;

}

在布局文件中添加ListView：<?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">

   <ListView

       android:id="@+id/listView"

       android:layout_width="match_parent"

       android:layout_height="match_parent" />

</LinearLayout>

这样，你就可以将两个适配器的数据添加到一个ListView中显示了。自定义适配器中的GetView方法用于设置每个列表项的显示内容，你可以根据自己的需求进行修改。

如何将两个适配器添加到一个listView (xamarin android)