ViewModel / LiveData / RecyclerView

UserListActivity.java

public class UserListActivity extends AppCompatActivity {

    private RecyclerView mRecyclerView;

    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_user_list);
        mRecyclerView = findViewById(R.id.rv_user_list);
        mRecyclerView.setLayoutManager(new LinearLayoutManager(this));

        //test용
        List<User> userList = new ArrayList<>();
        for (int i = 0; i < 100; i++) {
            userList.add(new User(i, "이름" + i, "userName" + i, "eamil@gmail.com" + i));
        }

        UserRecyclerAdapter rvAdapter = new UserRecyclerAdapter(userList);
        mRecyclerView.setAdapter(rvAdapter);
    }
}