窗口代码

/** * 根据上一个页面传过来的isMultipleEnable判断是否可以多选 * 

1. 单选页面选中一个条目直接结束并回传 *

2. 多选页面选中之后需要提交 *

3. 提交数据之后需要刷新列表 */

   public class UserSelectActivity extends AppCompatActivity implements View.OnClickListener {  private static final String TAG = "UserSelectActivity";  @BindView(R.id.tv_title_middle)  TextView title;  @BindView(R.id.title_left)  ImageView back;  @BindView(R.id.normal_user_listview)  ListView mListView;  @BindView(R.id.edit_tv)  TextView edit;  @BindView(R.id.filter_tv)  TextView filter;  private Context mContext;  private boolean isMultipleEnable;  private UserSelectAdapter mAdapter;  private List mClsNormalUserList;  @Override  protected void onCreate(@Nullable Bundle savedInstanceState) {    super.onCreate(savedInstanceState);    setContentView(R.layout.activity_normal_user_list);    //初始化ButterKnife    ButterKnife.bind(this);    initView();    initData();    initListener();  }  private void initData() {    mContext = this;    //通过源页面传过来的值来生成对应的视图，默认是单选    isMultipleEnable = getIntent().getBooleanExtra("isMultipleEnable", false);    //初始化数据源    mClsNormalUserList = new ArrayList<>();    mAdapter = new UserSelectAdapter(mClsNormalUserList, mContext);    mListView.setAdapter(mAdapter);    getOfflineData(20);    //多选页面要显示提交按钮和checkbox    if (isMultipleEnable) {      edit.setCompoundDrawablesWithIntrinsicBounds(R.drawable.ic_send_black_24dp, 0, 0, 0);      edit.setVisibility(View.VISIBLE);      for (ClsNormalUser user : mClsNormalUserList) {        user.setIsCheckBoxVisible(true);      }    }  }  //生成模拟数据  private void getOfflineData(int num) {    List clsNormalUserList = new ArrayList<>();    for (int i = 0; i < num; i++) {      ClsNormalUser clsNormalUser = new ClsNormalUser();      clsNormalUser.setUserID("userID " + i);      clsNormalUser.setWorkNumber("workNumber " + i);      clsNormalUser.setUserType("userType " + i);      clsNormalUser.setOrgName("orgName " + i);      clsNormalUser.setCName("cName " + i);      clsNormalUser.setSysUserName("sysUserName " + i);      clsNormalUser.setOrgID("orgID " + i);      clsNormalUser.setWorkPos("workPos " + i);      clsNormalUserList.add(clsNormalUser);    }    //数据填充后要同时适配器刷新视图    mClsNormalUserList.addAll(clsNormalUserList);    mAdapter.notifyDataSetChanged();  }  private void initView() {    title.setText("选择用户");  }  private void initListener() {    edit.setOnClickListener(this);    mListView.setOnItemClickListener((parent, view, position, id) -> {      ClsNormalUser clsNormalUser = mClsNormalUserList.get(position);      if (isMultipleEnable) {        //多选状态下点击选中当前条目        if (clsNormalUser.getIsCheckBoxVisible()) {          clsNormalUser.setIsChecked(!clsNormalUser.getIsChecked());          mAdapter.notifyDataSetChanged();        }      } else {        //单选状态下点击结束当前页并回传值        Intent intent = new Intent();        //实体类要实现序列化接口Parcelable        intent.putExtra("user", clsNormalUser);        setResult(RESULT_OK, intent);        finish();      }    });  }  @Override  public void onClick(View v) {    //点击提交按钮将选中的值回传并结束当前页    if (v.getId() == R.id.edit_tv) {      ArrayList normalUserList = new ArrayList<>();      for (ClsNormalUser normalUser : mClsNormalUserList) {        if (normalUser.getIsChecked()) {          normalUserList.add(normalUser);        }      }      Intent intent = new Intent();      //实体类要实现序列化接口Parcelable      intent.putParcelableArrayListExtra("users", normalUserList);      setResult(RESULT_OK, intent);      finish();    }  }}

4. 
   

适配器代码

public class UserSelectAdapter extends BaseAdapter {  private List mList;  private LayoutInflater mInflater;  public UserSelectAdapter(List list, Context mContext) {    mList = list;    mInflater = LayoutInflater.from(mContext);  }  @Override  public int getCount() {    return mList.size();  }  @Override  public ClsNormalUser getItem(int position) {    return mList.get(position);  }  @Override  public long getItemId(int position) {    return position;  }  @Override  public View getView(final int position, View convertView, ViewGroup root) {    ItemHolder holder;    ClsNormalUser clsNormalUser = mList.get(position);    if (convertView == null) {      convertView = mInflater.inflate(R.layout.item_alluser_sys, null);      holder = new ItemHolder();      holder.id = convertView.findViewById(R.id.user_id);      holder.name = convertView.findViewById(R.id.user_name);      holder.org = convertView.findViewById(R.id.user_org);      holder.checkBox = convertView.findViewById(R.id.user_checkbox);      convertView.setTag(holder);    } else {      holder = (ItemHolder) convertView.getTag();    }    holder.id.setText(clsNormalUser.getUserID());    holder.name.setText(clsNormalUser.getCName());    holder.org.setText(clsNormalUser.getOrgName());    //是否显示checkbox    if (clsNormalUser.getIsCheckBoxVisible()) {      holder.checkBox.setVisibility(View.VISIBLE);    } else {      holder.checkBox.setVisibility(View.GONE);    }    //条目是否选中    if (clsNormalUser.getIsChecked()) {      holder.checkBox.setImageResource(R.drawable.ic_check_box_black_24dp);    } else {      holder.checkBox.setImageResource(R.drawable.ic_check_box_outline_blank_black_24dp);    }    return convertView;  }  class ItemHolder {    TextView id;    TextView name;    TextView org;    ImageView checkBox;  }}