Andorid 中带Checkbox的LIstVIew实现单选，全选，删除效果

1.MainActivity,java

package com.example.mytest;

import android.annotation.SuppressLint;
import android.content.Context;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.TextView;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;

public class MainActivity extends AppCompatActivity implements View.OnClickListener {

private static final int NOSELECT_STATE = -1;// 表示未选中任何CheckBox

private ListView listView;
private Button bt_cancel, bt_delete;
private TextView tv_sum;
private LinearLayout linearLayout;

private List list = new ArrayList();// 数据
private List list_delete = new ArrayList();// 需要删除的数据
private boolean isMultiSelect = false;// 是否处于多选状态

private MyAdapter adapter;// ListView的Adapter

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    listView = (ListView) findViewById(R.id.listView1);
    bt_cancel = (Button) findViewById(R.id.bt_cancel);
    bt_delete = (Button) findViewById(R.id.bt_delete);
    tv_sum = (TextView) findViewById(R.id.tv_sum);
    linearLayout = (LinearLayout) findViewById(R.id.linearLayout);
    bt_cancel.setOnClickListener(this);
    bt_delete.setOnClickListener(this);

    // 设置初始数据
    list = new ArrayList();
    for (int i = 0; i < 20; i++) {
        String str = "Item" + i;
        list.add(str);
    }

    // 未选中任何Item，position设置为-1
    adapter = new MyAdapter(MainActivity.this, list, NOSELECT_STATE);
    listView.setAdapter(adapter);
}


private class MyAdapter extends BaseAdapter {

    private List list;
    private LayoutInflater inflater;

    private HashMap isCheckBoxVisible;// 用来记录是否显示checkBox
    private HashMap isChecked;// 用来记录是否被选中

    @SuppressLint("UseSparseArrays")
    public MyAdapter(Context context, List list, int position) {
        inflater = LayoutInflater.from(context);
        this.list = list;
        isCheckBoxVisible = new HashMap();
        isChecked = new HashMap();
        // 如果处于多选状态，则显示CheckBox，否则不显示
        if (isMultiSelect) {
            for (int i = 0; i < list.size(); i++) {
                isCheckBoxVisible.put(i, CheckBox.VISIBLE);
                isChecked.put(i, false);
            }
        } else {
            for (int i = 0; i < list.size(); i++) {
                isCheckBoxVisible.put(i, CheckBox.INVISIBLE);
                isChecked.put(i, false);
            }
        }

        // 如果长按Item，则设置长按的Item中的CheckBox为选中状态
        if (isMultiSelect && position >= 0) {
            isChecked.put(position, true);
        }
    }

    @Override
    public int getCount() {
        // TODO Auto-generated method stub
        return list.size();
    }

    @Override
    public Object getItem(int position) {
        // TODO Auto-generated method stub
        return list.get(position);
    }

    @Override
    public long getItemId(int position) {
        // TODO Auto-generated method stub
        return position;
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        final ViewHolder viewHolder;
        if (convertView == null) {
            viewHolder = new ViewHolder();
            convertView = inflater.inflate(R.layout.listviewitem, null);
            viewHolder.tv_Name = (TextView) convertView.findViewById(R.id.tv_name);
            viewHolder.cb = (CheckBox) convertView.findViewById(R.id.cb_select);
            convertView.setTag(viewHolder);
        } else {
            viewHolder = (ViewHolder) convertView.getTag();
        }
        final String str = list.get(position);
        viewHolder.tv_Name.setText(str);
        // 根据position设置CheckBox是否可见，是否选中
        viewHolder.cb.setChecked(isChecked.get(position));
        viewHolder.cb.setVisibility(isCheckBoxVisible.get(position));
        // ListView每一个Item的长按事件
        convertView.setOnLongClickListener(new onMyLongClick(position, list));
        /*
         * 在ListView中点击每一项的处理
         * 如果CheckBox未选中，则点击后选中CheckBox，并将数据添加到list_delete中
         * 如果CheckBox选中，则点击后取消选中CheckBox，并将数据从list_delete中移除
         */
        convertView.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View v) {
                // 处于多选模式
                if (isMultiSelect) {
                    if (viewHolder.cb.isChecked()) {
                        viewHolder.cb.setChecked(false);
                        list_delete.remove(str);
                    } else {
                        viewHolder.cb.setChecked(true);
                        list_delete.add(str);
                    }
                    tv_sum.setText("共选择了" + list_delete.size() + "项");
                }
            }
        });
        return convertView;
    }

    class ViewHolder {
        public TextView tv_Name;
        public CheckBox cb;
    }

    // 自定义长按事件
    class onMyLongClick implements View.OnLongClickListener {

        private int position;
        private List list;

        // 获取数据，与长按Item的position
        public onMyLongClick(int position, List list) {
            this.position = position;
            this.list = list;
        }

        // 在长按监听时候，切记将监听事件返回ture
        @Override
        public boolean onLongClick(View v) {
            isMultiSelect = true;
            list_delete.clear();
            // 添加长按Item到删除数据list中
            list_delete.add(list.get(position));
            linearLayout.setVisibility(View.VISIBLE);
            tv_sum.setText("共选择了" + list_delete.size() + "项");
            for (int i = 0; i < list.size(); i++) {
                adapter.isCheckBoxVisible.put(i, CheckBox.VISIBLE);
            }
            // 根据position，设置ListView中对应的CheckBox为选中状态
            adapter = new MyAdapter(MainActivity.this, list, position);
            listView.setAdapter(adapter);
            return true;
        }
    }
}

@Override
public void onClick(View v) {
    switch (v.getId()) {
        // 取消选择
        case R.id.bt_cancel:
            isMultiSelect = false;// 退出多选模式
            list_delete.clear();// 清楚选中的数据
            // 重新加载Adapter
            adapter = new MyAdapter(MainActivity.this, list, NOSELECT_STATE);
            listView.setAdapter(adapter);
            linearLayout.setVisibility(View.GONE);
            break;
        // 删除
        case R.id.bt_delete:
            isMultiSelect = false;
            // 将数据从list中移除
            for (int i = 0; i < list.size(); i++) {
                for (int j = 0; j < list_delete.size(); j++) {
                    if (list.get(i).equals(list_delete.get(j))) {
                        list.remove(i);
                    }
                }
            }
            list_delete.clear();
            // 重新加载Adapter
            adapter = new MyAdapter(MainActivity.this, list, NOSELECT_STATE);
            listView.setAdapter(adapter);
            linearLayout.setVisibility(View.GONE);
            break;

        default:
            break;
    }
}

}

2. activity_main.xml
   

   
   

3. listviewitem.xml