android使用CheckedTextView搭配listview完成选择列表

android使用CheckedTextView搭配listview完成选择列表

列表list_checktextview.xml

 

代码：

package com.example.myapp;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map.Entry;
import java.util.Set;

import android.app.ListActivity;
import android.content.Context;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.BaseAdapter;
import android.widget.CheckedTextView;
import android.widget.ImageView;
import android.widget.ListView;

public class ListCheckedTextView extends ListActivity {

	private ArrayList> arrlist = new ArrayList>();
	private ListView listView;
	private HashMap checkedMap = new HashMap();

	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);

		getdata();

		/*
		 * 设置ListView的适配器 有两种方式加载含CheckedTextView的多选模式并响应事件 1. 但是这种方式，选择多选响应事件时
		 * 各个Item会出现乱弹的现象，不知道为什么 希望各位大虾帮帮忙 //适配器设置 setListAdapter(new
		 * SimpleAdapter(this, arrlist, R.layout.list_checktextview, new
		 * String[]{"title"}, new int[]{R.id.checktv_title})); //listview的监听事件
		 * listView.setOnItemClickListener(new OnItemClickListener() {
		 * 
		 * @Override public void onItemClick(AdapterView parent, View view,
		 * int position, long id) { checktv = (CheckedTextView)
		 * parent.getChildAt(position).findViewById(R.id.checktv_title);
		 * if(checktv.isChecked()){ checktv.setChecked(false); }else{
		 * checktv.setChecked(true); } } }); 2. 通过自定义Adapter实现 如下，
		 */
		setListAdapter(new MyAdapter(this, arrlist));

		listView = getListView();
		listView.setItemsCanFocus(false);
		listView.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE);
		// listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE);//单选

		listView.setOnItemClickListener(new OnItemClickListener() {
			@Override
			public void onItemClick(AdapterView parent, View view,
					int position, long id) {
				/*
				 * 对于由position指定的项目，返回其是否被选中。
				 * 只有当选择模式已被设置为CHOICE_MODE_SINGLE或CHOICE_MODE_MULTIPLE时 ，结果才有效。
				 */
				boolean checked = getListView().isItemChecked(position);
				checkedMap.put(position, checked);
				getListView().setItemChecked(position, checked);
			}
		});
	}
	


	// 构造数据
	private ArrayList> getdata() {
		HashMap map = new HashMap();
		map.put("title", "aaaa");
		arrlist.add(map);
		map = new HashMap();
		map.put("title", "bbbb");
		arrlist.add(map);
		map = new HashMap();
		map.put("title", "cccc");
		arrlist.add(map);
		return arrlist;
	}

	// 自定义Adapter,从checkMap中获取当前Item的状态 并设置
	private class MyAdapter extends BaseAdapter {
		private LayoutInflater inflater;
		ArrayList> datalist;

		public MyAdapter(Context context,
				ArrayList> datalist) {
			super();
			inflater = LayoutInflater.from(context);
			this.datalist = datalist;
		}

		@Override
		public int getCount() {
			return datalist.size();
		}

		@Override
		public Object getItem(int position) {
			return position;
		}

		@Override
		public long getItemId(int position) {
			return position;
		}

		@Override
		public View getView(int position, View convertView, ViewGroup parent) {
			ViewHolder holder = null;
			if (convertView == null) {
				convertView = inflater.inflate(R.layout.list_checktextview,
						null);
				holder = new ViewHolder();
				holder.checktv_title = (CheckedTextView) convertView
						.findViewById(R.id.checktv_title);
				holder.imageView=(ImageView)convertView.findViewById(R.id.dianjiceshi);
				convertView.setTag(holder);
			} else {
				holder = (ViewHolder) convertView.getTag();
			}
			
			holder.imageView.setOnClickListener(new myClickimg());

			holder.checktv_title.setText(datalist.get(position).get("title")
					.toString());
			// 根据checkMap中position的状态设置是否被选中
			if (checkedMap.get(position) != null
					&& checkedMap.get(position) == true) {
				holder.checktv_title.setChecked(true);
			} else {
				holder.checktv_title.setChecked(false);
			}

			return convertView;
		}

		class ViewHolder {
			CheckedTextView checktv_title;
			ImageView imageView;
		}
	}
	
	class myClickimg implements View.OnClickListener{

		@Override
		public void onClick(View arg0) {
			// TODO Auto-generated method stub
			allNo();
		}
		
	}
	
	/*
	 * 全否
	 * */
	public void allNo(){
		Set> re = checkedMap.entrySet();
		for (Entry entry : re) {
			Integer mkey = entry.getKey();
			//全部设置为false
			checkedMap.put(mkey, false);
			setListAdapter(new MyAdapter(getApplicationContext(), arrlist));//更新ui
		}
	}

}