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还是先来看看是不是你想要的效果:


不废话,直接上代码,很简单,代码里都有注释
1 单选

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对象,这样就省去了通过层层的findViewById去实例化我们需要的cb实例的步骤SingleAdapter.ViewHolder viewHolder = (SingleAdapter.ViewHolder) view.getTag();viewHolder.cb.toggle();// 把CheckBox的选中状态改为当前状态的反,gridview确保是单一选中 }};SingleAdapter adapter = new SingleAdapter(this, groups);listView.setAdapter(adapter);listView.setOnItemClickListener(listItemClickListener); }}
Adapter:
public class SingleAdapter extends BaseAdapter { private Activity activity;//上下文 private ArrayList<String> list; private LayoutInflater inflater = null;//导入布局 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每显示一行数据,该函数就执行一次 @Override public View getView(int position, View convertView, ViewGroup parent) {ViewHolder holder = null;if (convertView == null) {//当第一次加载ListView控件时 convertView为空 convertView = inflater.inflate(R.layout.group_item_view, null);//所以当ListView控件没有滑动时都会执行这条语句 holder = new ViewHolder(); holder.tv = (TextView) convertView.findViewById(R.id.item_tv); holder.cb = (CheckBox) convertView.findViewById(R.id.item_cb); convertView.setTag(holder);//为view设置标签} else {//取出holder holder = (ViewHolder) convertView.getTag();}//设置list的textview显示holder.tv.setTextColor(Color.WHITE);holder.tv.setText(list.get(position));// 根据isSelected来设置checkbox的选中状况holder.cb.setId(position);//对checkbox的id进行重新设置为当前的positionholder.cb.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() { @Override public void onCheckedChanged(CompoundButton compoundButton, boolean isChecked) {if (isChecked) {//实现checkbox的单选功能,同样适用于radiobutton if (temp != -1) {//找到上次点击的checkbox,并把它设置为false,对重新选择时可以将以前的关掉CheckBox tempCheckBox = (CheckBox) activity.findViewById(temp);if (tempCheckBox != null) tempCheckBox.setChecked(false); } temp = compoundButton.getId();//保存当前选中的checkbox的id值} }});if (position == temp)//比对position和当前的temp是否一致 holder.cb.setChecked(true);else holder.cb.setChecked(false);return convertView; } public static class ViewHolder {TextView tv;CheckBox cb; }}
多选:
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对象,这样就省去了通过层层的findViewById去实例化我们需要的cb实例的步骤MulAdapter.ViewHolder viewHolder = (MulAdapter.ViewHolder) view.getTag();viewHolder.cb.toggle();// 把CheckBox的选中状态改为当前状态的反,gridview确保是单一选中MulAdapter.getIsSelected().put(position, viewHolder.cb.isChecked());//将CheckBox的选中状况记录下来 }};MulAdapter adapter = new MulAdapter(this, groups);listView.setAdapter(adapter);listView.setOnItemClickListener(listItemClickListener); }}
Adapter:
public class MulAdapter extends BaseAdapter { private Context context;//上下文 private ArrayList<String> list; //控制CheckBox选中情况 private static HashMap<Integer, Boolean> isSelected; private LayoutInflater inflater = null;//导入布局 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的数据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每显示一行数据,该函数就执行一次 @Override public View getView(int position, View convertView, ViewGroup parent) {ViewHolder holder = null;if (convertView == null) {//当第一次加载ListView控件时 convertView为空 convertView = inflater.inflate(R.layout.group_item_view, null);//所以当ListView控件没有滑动时都会执行这条语句 holder = new ViewHolder(); holder.tv = (TextView) convertView.findViewById(R.id.item_tv); holder.cb = (CheckBox) convertView.findViewById(R.id.item_cb); convertView.setTag(holder);//为view设置标签} else {//取出holder holder = (ViewHolder) convertView.getTag();//the Object stored in this view as a tag}//设置list的textview显示holder.tv.setTextColor(Color.WHITE);holder.tv.setText(list.get(position));// 根据isSelected来设置checkbox的选中状况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; }}
以上所述是小编给大家介绍的Android中ListView + CheckBox实现单选、多选效果,希望对大家有所帮助,如果大家有任何疑问请给我留言,小编会及时回复大家的。在此也非常感谢大家对脚本之家网站的支持!