public class SingleActivity extends AppCompatActivity { private ListView listView; private ArrayList<String> groups; @Override protected void onCreate(Bundle savedInstanceState) {  super.onCreate(savedInstanceState);  setContentView(R.layout.activity_single);  listView = (ListView) this.findViewById(R.id.lvGroup);  groups = new ArrayList<String>();  groups.add("11");  groups.add("22");  groups.add("33");  groups.add("44");  groups.add("55");  groups.add("66");  groups.add("77");  AdapterView.OnItemClickListener listItemClickListener = new AdapterView.OnItemClickListener() {   @Override   public void onItemClick(AdapterView<?> parent, View view, int position, long id) {    // 取得ViewHolder對象，這樣就省去了通過層層的findViewById去實例化我們需要的cb實例的步驟    SingleAdapter.ViewHolder viewHolder = (SingleAdapter.ViewHolder) view.getTag();    viewHolder.cb.toggle();// 把CheckBox的選中狀態改為當前狀態的反,gridview確保是單一選中   }  };  SingleAdapter adapter = new SingleAdapter(this, groups);  listView.setAdapter(adapter);  listView.setOnItemClickListener(listItemClickListener); }}

public class SingleAdapter extends BaseAdapter { private Activity activity;//上下文 private ArrayList<String> list; private LayoutInflater inflater = null;//導入布局 private int temp = -1; public SingleAdapter(Activity context, ArrayList<String> list) {  this.activity = context;  this.list = list;  inflater = LayoutInflater.from(context); } @Override public int getCount() {  return list.size(); } @Override public Object getItem(int position) {  return list.get(position); } @Override public long getItemId(int position) {  return position; } //listview每顯示一行數據,該函數就執行一次 @Override public View getView(int position, View convertView, ViewGroup parent) {  ViewHolder holder = null;  if (convertView == null) {//當第一次加載ListView控件時 convertView為空   convertView = inflater.inflate(R.layout.group_item_view, null);//所以當ListView控件沒有滑動時都會執行這條語句   holder = new ViewHolder();   holder.tv = (TextView) convertView.findViewById(R.id.item_tv);   holder.cb = (CheckBox) convertView.findViewById(R.id.item_cb);   convertView.setTag(holder);//為view設置標簽  } else {//取出holder   holder = (ViewHolder) convertView.getTag();  }  //設置list的textview顯示  holder.tv.setTextColor(Color.WHITE);  holder.tv.setText(list.get(position));  // 根據isSelected來設置checkbox的選中狀況  holder.cb.setId(position);//對checkbox的id進行重新設置為當前的position  holder.cb.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {   @Override   public void onCheckedChanged(CompoundButton compoundButton, boolean isChecked) {    if (isChecked) {//實現checkbox的單選功能,同樣適用于radiobutton     if (temp != -1) {      //找到上次點擊的checkbox,并把它設置為false,對重新選擇時可以將以前的關掉      CheckBox tempCheckBox = (CheckBox) activity.findViewById(temp);      if (tempCheckBox != null)       tempCheckBox.setChecked(false);     }     temp = compoundButton.getId();//保存當前選中的checkbox的id值    }   }  });  if (position == temp)//比對position和當前的temp是否一致   holder.cb.setChecked(true);  else   holder.cb.setChecked(false);  return convertView; } public static class ViewHolder {  TextView tv;  CheckBox cb; }}

public class MulActivity extends AppCompatActivity { private ListView listView; private ArrayList<String> groups; @Override protected void onCreate(Bundle savedInstanceState) {  super.onCreate(savedInstanceState);  setContentView(R.layout.activity_mul);  listView = (ListView) this.findViewById(R.id.list);  groups = new ArrayList<>();  groups.add("11");  groups.add("22");  groups.add("33");  groups.add("44");  groups.add("55");  groups.add("66");  groups.add("77");  AdapterView.OnItemClickListener listItemClickListener = new AdapterView.OnItemClickListener() {   @Override   public void onItemClick(AdapterView<?> parent, View view, int position,         long id) {    // 取得ViewHolder對象，這樣就省去了通過層層的findViewById去實例化我們需要的cb實例的步驟    MulAdapter.ViewHolder viewHolder = (MulAdapter.ViewHolder) view.getTag();    viewHolder.cb.toggle();// 把CheckBox的選中狀態改為當前狀態的反,gridview確保是單一選中    MulAdapter.getIsSelected().put(position, viewHolder.cb.isChecked());//將CheckBox的選中狀況記錄下來   }  };  MulAdapter adapter = new MulAdapter(this, groups);  listView.setAdapter(adapter);  listView.setOnItemClickListener(listItemClickListener); }}

public class MulAdapter extends BaseAdapter { private Context context;//上下文 private ArrayList<String> list; //控制CheckBox選中情況 private static HashMap<Integer, Boolean> isSelected; private LayoutInflater inflater = null;//導入布局 public MulAdapter(Context context, ArrayList<String> list) {  this.context = context;  this.list = list;  inflater = LayoutInflater.from(context);  isSelected = new HashMap<Integer, Boolean>();  initData(); } private void initData() {//初始化isSelected的數據  for (int i = 0; i < list.size(); i++) {   getIsSelected().put(i, false);  } } @Override public int getCount() {  return list.size(); } @Override public Object getItem(int position) {  return list.get(position); } @Override public long getItemId(int position) {  return position; } //listview每顯示一行數據,該函數就執行一次 @Override public View getView(int position, View convertView, ViewGroup parent) {  ViewHolder holder = null;  if (convertView == null) {//當第一次加載ListView控件時 convertView為空   convertView = inflater.inflate(R.layout.group_item_view, null);//所以當ListView控件沒有滑動時都會執行這條語句   holder = new ViewHolder();   holder.tv = (TextView) convertView.findViewById(R.id.item_tv);   holder.cb = (CheckBox) convertView.findViewById(R.id.item_cb);   convertView.setTag(holder);//為view設置標簽  } else {//取出holder   holder = (ViewHolder) convertView.getTag();//the Object stored in this view as a tag  }  //設置list的textview顯示  holder.tv.setTextColor(Color.WHITE);  holder.tv.setText(list.get(position));  // 根據isSelected來設置checkbox的選中狀況  holder.cb.setChecked(getIsSelected().get(position));  return convertView; } public static class ViewHolder {  TextView tv;  CheckBox cb; } public static HashMap<Integer, Boolean> getIsSelected() {  return isSelected; } public static void setIsSelected(HashMap<Integer, Boolean> isSelected) {  MulAdapter.isSelected = isSelected; }}