宗旨：GetView方法放在具体的Activity/Fragment里面实现，其他的均可以复用

/// 
/// 通用适配器：新建GetViewEvent委托+OnGetView方法，在外部实现，在重写GetView方法中调用/// 
/// 
     public class CommonAdapter
    
      : BaseAdapter
     
       { //要绑定的数据 private readonly List
      
        items; //页面上下文 private readonly Activity context; //ListViewItem的布局id private readonly int layoutId; /// 
       
 /// 委托 /// 
 public delegate View GetViewEvent(int position, View convertView, ViewGroup parent, T item, ViewHolder viewHolder); /// 
       
 /// 加载item的View事件 /// 
 public event GetViewEvent OnGetView; public CommonAdapter(Activity context, int layoutId, List
       
         items) { this.context = context; this.layoutId = layoutId; this.items = items; } public override T this[int position] { get { return items[position]; } } public override int Count { get { return items.Count; } } public override long GetItemId(int position) { return position; } public override View GetView(int position, View convertView, ViewGroup parent) { var item = items[position]; var view = convertView; var viewHolder = ViewHolder.Get(context, convertView, parent, layoutId, position); if (OnGetView != null) return OnGetView(position, convertView, parent, item, viewHolder); return view; } }
       
      
     
    

/// 
/// 通用ViewHolder：保存控件，下拉刷新列表时只重新赋值，不再新建控件（节省内存）/// Tag属性保证不错位/// 
 public class ViewHolder : Object { private readonly SparseArray
    
      views; private int position; private readonly View ConvertView; public ViewHolder(Activity context, ViewGroup parent, int layoutID, int position) { this.position = position; views = new SparseArray
     
      (); ConvertView = context.LayoutInflater.Inflate(layoutID, null); ConvertView.Tag = this; } //单例模式获取对象实例 public static ViewHolder Get(Activity context, View convertView, ViewGroup parent, int layoutID, int position) { if (convertView == null) return new ViewHolder(context, parent, layoutID, position); var holder = (ViewHolder) convertView.Tag; holder.position = position; return holder; } public View GetConvertView() { return ConvertView; } /// 
      
 /// 通过ViewID获取控件 /// 
 /// 
       /// 
       /// 
       public T GetView
      
       (int viewId) where T : View { var view = views.Get(viewId); if (view == null) { view = ConvertView.FindViewById
       
        (viewId); views.Put(viewId, view); } return (T) view; } }
       
      
     
    

MainActivity

protected override void OnCreate(Bundle bundle) { base.OnCreate(bundle); SetContentView(Resource.Layout.Main); ListView listView = FindViewById
    
     (Resource.Id.id_lv_main); List
     
       StudentsList =new List
      
       (); StudentsList.Add(new Student() { Name = "朱泓霖" }); CommonAdapter
       
         comAdapter = new CommonAdapter
        
         (this, Resource.Layout.Item, StudentsList); comAdapter.OnGetView += comAdapter_OnGetView; listView.Adapter = comAdapter; } private View comAdapter_OnGetView(int position, View convertView, ViewGroup parent, Student item, ViewHolder viewHolder) { //通过ViewHolder获取对象并赋值 viewHolder.GetView
         
          (Resource.Id.id_tv_title).Text = item.Name; return viewHolder.GetConvertView(); }