1 public class UserAdapter extends RecyclerView.Adapter<UserAdapter.UserHolder> {
2 private static final int USER_COUNT = 10;
3
4 @NonNull
5 private List<User> mUsers;
6
7 public UserAdapter() {
8 mUsers = new ArrayList<>(10);
9 for (int i = 0; i < USER_COUNT; i ++) {
10 User user = new User(Randoms.nextFirstName(), Randoms.nextLastName());
11 mUsers.add(user);
12 }
13 }
14
15 public static class UserHolder extends RecyclerView.ViewHolder {
16 private UserItemBinding mBinding;
17
18 public UserHolder(View itemView) {
19 super(itemView);
20 mBinding = DataBindingUtil.bind(itemView);
21 }
22
23 public void bind(@NonNull User user) {
24 mBinding.setUser(user);
25 }
26 }
27
28 @Override
29 public UserHolder onCreateViewHolder(ViewGroup viewGroup, int i) {
30 View itemView = LayoutInflater.from(viewGroup.getContext())
31 .inflate(R.layout.user_item, viewGroup, false);
32 return new UserHolder(itemView);
33 }
34
35 @Override
36 public void onBindViewHolder(UserHolder holder, int position) {
37 holder.bind(mUsers.get(position));
38 }
39
40 @Override
41 public int getItemCount() {
42 return mUsers.size();
43 }
44 }
本节参考代码。
