我使用的是从JoeRock的Channel.The问题的例子存在,当我使用过滤列表视图过滤后点击列表视图时,我得到错误的项目也
这里后产品Click事件是我等级:
class Friend
{
public string FirstName { get; set; }
public string LastName { get; set; }
public string Age { get; set; }
public string Gender { get; set; }
}
这里是我的好友适配器
class FriendsAdapter : BaseAdapter<Friend>
{
private Context mContext;
private int mRowLayout;
private List<Friend> mFriends;
public FriendsAdapter(Context context, int rowLayout, List<Friend> friends)
{
mContext = context;
mRowLayout = rowLayout;
mFriends = friends;
}
public override int Count
{
get { return mFriends.Count; }
}
public override Friend this[int position]
{
get { return mFriends[position]; }
}
public override long GetItemId(int position)
{
return position;
}
public override View GetView(int position, View convertView, ViewGroup parent)
{
View row = convertView;
if (row == null)
{
row = LayoutInflater.From(mContext).Inflate(mRowLayout, parent, false);
}
TextView firstName = row.FindViewById<TextView>(Resource.Id.txtFirstName);
firstName.Text = mFriends[position].FirstName;
TextView lastName = row.FindViewById<TextView>(Resource.Id.txtLastName);
lastName.Text = mFriends[position].LastName;
TextView age = row.FindViewById<TextView>(Resource.Id.txtAge);
age.Text = mFriends[position].Age;
TextView gender = row.FindViewById<TextView>(Resource.Id.txtGender);
gender.Text = mFriends[position].Gender;
return row;
}
,这里是我的活动
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
// Set our view from the "main" layout resource
SetContentView(Resource.Layout.Main);
mListView = FindViewById<ListView>(Resource.Id.listView);
mSearch = FindViewById<EditText>(Resource.Id.etSearch);
mContainer = FindViewById<LinearLayout>(Resource.Id.llContainer);
mTxtHeaderFirstName = FindViewById<TextView>(Resource.Id.txtHeaderFirstName);
mTxtHeaderLastName = FindViewById<TextView>(Resource.Id.txtHeaderLastName);
mTxtHeaderAge = FindViewById<TextView>(Resource.Id.txtHeaderAge);
mTxtHeaderGender = FindViewById<TextView>(Resource.Id.txtHeaderGender);
mSearch.Alpha = 0;
mContainer.BringToFront();
mSearch.TextChanged += mSearch_TextChanged;
mFriends = new List<Friend>();
mFriends.Add(new Friend { FirstName = "Bob", LastName = "Smith", Age = "33", Gender = "Male" });
mFriends.Add(new Friend { FirstName = "Tom", LastName = "Smith", Age = "45", Gender = "Male" });
mFriends.Add(new Friend { FirstName = "Julie", LastName = "Smith", Age = "2020", Gender = "Unknown" });
mFriends.Add(new Friend { FirstName = "Molly", LastName = "Smith", Age = "21", Gender = "Female" });
mFriends.Add(new Friend { FirstName = "Joe", LastName = "Lopez", Age = "22", Gender = "Male" });
mFriends.Add(new Friend { FirstName = "Ruth", LastName = "White", Age = "81", Gender = "Female" });
mFriends.Add(new Friend { FirstName = "Sally", LastName = "Johnson", Age = "54", Gender = "Female" });
mAdapter = new FriendsAdapter(this, Resource.Layout.row_friend, mFriends);
mListView.Adapter = mAdapter;
mListView.ItemClick += Mlistview_ItemClick;//The Problem is Here:
}
private void Mlistview_ItemClick(object sender, AdapterView.ItemClickEventArgs e)
{
string test = mFriends[e.Position].FirstName;
Toast.MakeText(this, test, ToastLength.Short).Show();
}
void mSearch_TextChanged(object sender, Android.Text.TextChangedEventArgs e)
{
List<Friend> searchedFriends = (from friend in mFriends
where friend.FirstName.Contains(mSearch.Text, StringComparison.OrdinalIgnoreCase) || friend.LastName.Contains(mSearch.Text, StringComparison.OrdinalIgnoreCase)
|| friend.Age.Contains(mSearch.Text, StringComparison.OrdinalIgnoreCase) || friend.Gender.Contains(mSearch.Text, StringComparison.OrdinalIgnoreCase)
select friend).ToList<Friend>();
//Refreshes the listview
mAdapter = new FriendsAdapter(this, Resource.Layout.row_friend, searchedFriends);
mListView.Adapter = mAdapter;
}
问题是,当我的列表视图从searchBox过滤,我选择了一个项目它没有显示我正确的名称,但名称存在于我的具体列表位置的mitems。
我不知道如何解决这个问题。即使对于java也接受任何答案。我只需要一个解决方案来解决这个问题。下面请看
我读,我必须创建一个RecyclerView.Adapter.Is是正确的?怎么做到这一点?
你正在引用mFriends这是你的全局变量......你将需要检索你的列表视图中的值 – Alander
帮助我如何解决这个问题? – Dimitris