基本信息
源码名称：android checkboxlist全选反选添加删除 示例代码
源码大小：1.08M
文件格式：.zip
开发语言：C#
更新时间：2016-12-16
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源码介绍
package com.example.newcheckbox;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import com.example.newcheckbox.DemoAdapter.ViewHolder;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.Context;
import android.content.DialogInterface;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
public class MainActivity extends Activity implements OnClickListener,
OnItemClickListener {
/**
* 返回按钮
*/
private ViewGroup btnCancle = null;
/**
* 确定按钮
*/
private ViewGroup btnAdd = null;
/**
* 选择所有
*/
private Button btnSelectAll = null;
/**
* 清除所有
*/
private Button btnDelete = null;
/**
* ListView列表
*/
private ListView lvListView = null;
/**
* 适配对象
*/
private DemoAdapter adpAdapter = null;
private List<DemoBean> demoDatas = null;
private TextView tv;
private Context mContext;
private Button xianshirenshu;
private Dialog dialog;
private EditText mEditname;
private List<String> qlist = new ArrayList<String>();
//AlertDialog.Builder builder = new AlertDialog.Builder(mContext);
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
// 初始化视图
initView();
// 初始化控件
initData();
}
/**
* 初始化控件
*/
private void initView() {
mContext=this;
btnCancle = (ViewGroup) findViewById(R.id.btnCancle);
btnCancle.setOnClickListener(this);
btnAdd = (ViewGroup) findViewById(R.id.btnAdd);
btnAdd.setOnClickListener(this);
btnDelete = (Button) findViewById(R.id.btnDelete);
btnDelete.setOnClickListener(this);
btnSelectAll = (Button) findViewById(R.id.btnSelectAll);
btnSelectAll.setOnClickListener(this);
lvListView = (ListView) findViewById(R.id.lvListView);
lvListView.setOnItemClickListener(this);
xianshirenshu=(Button) findViewById(R.id.xiansrenshubtn);
xianshirenshu.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
getStaffNumber();
}
});
}
/**
* 初始化视图
*/
private void initData() {
// 模拟假数据
demoDatas= new ArrayList<DemoBean>();
demoDatas.add(new DemoBean("1", true));
demoDatas.add(new DemoBean("2", true));
demoDatas.add(new DemoBean("3", true));
demoDatas.add(new DemoBean("4", true));
demoDatas.add(new DemoBean("5", true));
demoDatas.add(new DemoBean("6", true));
demoDatas.add(new DemoBean("7", true));
demoDatas.add(new DemoBean("8", true));
demoDatas.add(new DemoBean("9", true));
demoDatas.add(new DemoBean("10", true));
adpAdapter = new DemoAdapter(this, demoDatas);
lvListView.setAdapter(adpAdapter);
}
/**
* 按钮点击事件
*/
@Override
public void onClick(View v) {
/*
* 当点击返回的时候
*/
if (v == btnCancle) {
finish();
}
/*
* 当点击增加的时候
*/
if (v == btnAdd) {
//
// adpAdapter.add(new DemoBean("某某", true));
// adpAdapter.notifyDataSetChanged();//更新适配器
// AlertDialog.Builder builder1 = new AlertDialog.Builder(mContext);
// builder1 = new AlertDialog.Builder(mContext);
// LayoutInflater inflater = this.getLayoutInflater();
// View view = inflater.inflate(R.layout.dialog_custom_view, null);
// mEditname = (EditText) view.findViewById(R.id.editUsername);
// builder1.setView(view);
// builder1.setPositiveButton("确定", new DialogInterface.OnClickListener() {
// @Override
// public void onClick(DialogInterface dialog, int which) {
// String username = mEditname.getText().toString();
// Toast.makeText(mContext, "添加的员工名字是： = " username, Toast.LENGTH_LONG).show();
// }
// });
// builder1.setNegativeButton("取消", new DialogInterface.OnClickListener() {
//
// @Override
// public void onClick(DialogInterface dialog, int which) {
// Toast.makeText(mContext, "Cancel", Toast.LENGTH_SHORT).show();
// }
// });
// builder1.setOnCancelListener(new DialogInterface.OnCancelListener() {
//
// @Override
// public void onCancel(DialogInterface dialog) {
// MainActivity.this.finish();
// }
// });
//
// builder1.create().show();
LayoutInflater inflater = getLayoutInflater();
View layout = inflater.inflate(R.layout.dialog_custom_view,(ViewGroup) findViewById(R.id.dialog));
mEditname = (EditText) layout.findViewById(R.id.editUsername);
new AlertDialog.Builder(this).setView(layout)
.setPositiveButton("确定", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
// TODO Auto-generated method stub
String editcontent=mEditname.getText().toString().trim();
adpAdapter.add(new DemoBean(editcontent, true));
adpAdapter.notifyDataSetChanged();//更新适配器
}
})
.setNegativeButton("取消", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
// TODO Auto-generated method stub
dialog.dismiss();
}
}).show();
}
/*
* 当点击删除的时候
*/
if (v == btnDelete) {
/*
* 删除算法最复杂,拿到checkBox选择寄存map
*/
Map<Integer, Boolean> map = adpAdapter.getCheckMap();
// 获取当前的数据数量
int count = adpAdapter.getCount();
// 进行遍历
for (int i = 0; i < count; i ) {
// 因为List的特性,删除了2个item,则3变成2,所以这里要进行这样的换算,才能拿到删除后真正的position
int position = i - (count - adpAdapter.getCount());
if (map.get(i) != null && map.get(i)) {
DemoBean bean = (DemoBean) adpAdapter.getItem(position);
if (bean.isCanRemove()) {
adpAdapter.getCheckMap().remove(i);
adpAdapter.remove(position);
} else {
map.put(position, false);
}
}
}
adpAdapter.notifyDataSetChanged();
}
/*
* 当点击全选的时候
*/
if (v == btnSelectAll) {
if (btnSelectAll.getText().toString().trim().equals("全选")) {
// 所有项目全部选中
adpAdapter.configCheckMap(true);
adpAdapter.notifyDataSetChanged();
btnSelectAll.setText("不全选");
} else {
// 所有项目全部不选中
adpAdapter.configCheckMap(false);
adpAdapter.notifyDataSetChanged();
btnSelectAll.setText("全选");
}
}
}
/**
* 当ListView 子项点击的时候
*/
@Override
public void onItemClick(AdapterView<?> listView, View itemLayout,int position, long id) {
ViewHolder holder = (ViewHolder) itemLayout.getTag();
holder.cbCheck.toggle();// 在每次获取点击的item时改变checkbox的状态
//Toast.makeText(mContext, demoDatas.get(position).getTitle(), 1).show();
//被取消时
if (!holder.cbCheck.isChecked()) {
holder.cbCheck.setSelected(true);
//Toast.makeText(mContext, demoDatas.get(position).getTitle(), 1).show();
//qlist.add(demoDatas.get(position).getTitle());
qlist.remove(demoDatas.get(position).getTitle());
System.out.println("####################" qlist.toString() "*********************");
}else {
//被选中时
holder.cbCheck.setSelected(false);
Toast.makeText(mContext, demoDatas.get(position).getTitle(), 1).show();
qlist.add(demoDatas.get(position).getTitle());
//qlist.remove(demoDatas.get(position).getTitle());
System.out.println("*******************" qlist.toString() "^^^^^^^^^^^^^^^^^^^");
}
// ViewHolder holder = (ViewHolder) itemLayout.getTag();
// if (itemLayout.getTag() instanceof ViewHolder) {
// //Toast.makeText(MainActivity.this, "共选" demoDatas.size() "人", 0).show();
// // 会自动出发CheckBox的checked事件
// holder.cbCheck.toggle();
// public void onItemClick(AdapterView<?> arg0, View arg1, int position,
// long id) {
// ViewHolder holder = (ViewHolder) arg1.getTag();
// holder.checkBox.toggle();// 在每次获取点击的item时改变checkbox的状态
// addPersonAdapter.isSelected.put(position,holder.checkBox.isChecked()); // 同时修改map的值保存状态
// if (holder.checkBox.isChecked()) {
// selectPersonIds.add(position);
// list.add(person[position]);
// } else {
// if (selectPersonIds.contains(position)) {
// selectPersonIds
// .remove(selectPersonIds.indexOf(position));
// list.remove(person[position]);
// }
}
private void getStaffNumber(){
String a = null;
for (int i = 0; i < qlist.size(); i ) {
String a1=qlist.get(i).toString();
}
dialog=new AlertDialog.Builder(MainActivity.this)
.setTitle("就餐的员工为:" qlist.size() "位")
.setMessage(qlist.toString())
.create();
dialog.show();
System.out.println(qlist.size());
}
}