ListView + CheckBox (全选，反选，取消)

Xml布局

<strong><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical" >

    <ListView
        android:id="@+id/lv"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_weight="1" />

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal" >

        <Button
            android:id="@+id/btn1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:text="全选" />

        <Button
            android:id="@+id/btn2"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:text="取消" />

        <Button
            android:id="@+id/btn3"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:text="反选" />
    </LinearLayout>

</LinearLayout></strong>

Main

<strong>package com.bw.list_checkbox;

import java.util.ArrayList;
import java.util.List;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.ListView;
import android.widget.Toast;
import com.bw.adapter.Myadapter;

public class MainActivity extends Activity {

	private ListView lv;
	private Button btn2, btn1, btn3;
	private List<String> list;
	private Myadapter adapter;
	private int nuber = 0;

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

		lv = (ListView) findViewById(R.id.lv);
		btn1 = (Button) findViewById(R.id.btn1);
		btn2 = (Button) findViewById(R.id.btn2);
		btn3 = (Button) findViewById(R.id.btn3);

		list = new ArrayList<String>();

		initDate();

		adapter = new Myadapter(this, list);
		lv.setAdapter(adapter);

		btn1.setOnClickListener(new OnClickListener() {

			@Override
			public void onClick(View v) {
				for (int i = 0; i < list.size(); i++) {
					boolean[] checks = Myadapter.checks;
					if (checks[i] == false) {
						checks[i] = true;
					}
				}
				nuber = list.size();
				Change();
			}
		});
		btn2.setOnClickListener(new OnClickListener() {

			@Override
			public void onClick(View v) {
				for (int i = 0; i < list.size(); i++) {
					boolean[] checks = Myadapter.checks;
					if (checks[i] == true) {
						checks[i] = false;
					}
				}
				nuber = list.size();
				Change();
			}
		});
		btn3.setOnClickListener(new OnClickListener() {

			@Override
			public void onClick(View v) {
				for (int k = 0; k < list.size(); k++) {
					boolean[] checks = Myadapter.checks;
					if (checks[k] == true) {
						checks[k] = false;
						nuber--;
					} else {
						checks[k] = true;
						nuber++;
					}
				}
				Change();
			}
		});
	}

	private void initDate() {
		for (int i = 0; i < 15; i++) {
			list.add("data" + i);
		}
	}

	public void Change() {
		adapter.notifyDataSetChanged();
		Toast.makeText(MainActivity.this, "已选择" + nuber + "项",
				Toast.LENGTH_SHORT).show();
	}

}
</strong>

Adapter

<strong>package com.bw.adapter;

import java.util.List;
import com.bw.list_checkbox.R;
import android.content.Context;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.TextView;

public class Myadapter extends BaseAdapter {

	private Context contextx;
	private List<String> list;
	public static boolean[] checks;;

	public Myadapter(Context context, List<String> list) {
		this.contextx = context;
		this.list = list;
		checks = new boolean[list.size()];
	}

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

	@Override
	public Object getItem(int arg0) {
		return null;
	}

	@Override
	public long getItemId(int arg0) {
		return 0;
	}

	@Override
	public View getView(final int position, View convertView, ViewGroup parent) {
		Haodler handler;
		if (convertView == null) {
			handler = new Haodler();
			convertView = View.inflate(contextx, R.layout.list_adapter, null);
			handler.text = (TextView) convertView.findViewById(R.id.adapter_text);
			handler.cb = (CheckBox) convertView.findViewById(R.id.adapter_cb);
			convertView.setTag(handler);
		}
		handler = (Haodler) convertView.getTag();
		handler.text.setText(list.get(position));

		final int pos = position;
		handler.cb.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
					@Override
					public void onCheckedChanged(CompoundButton buttonView,
							boolean isChecked) {

						checks[pos] = isChecked;
					}
				});
		handler.cb.setChecked(checks[pos]);
		return convertView;
	}

	class Haodler {
		TextView text;
		public CheckBox cb;
	}

}
</strong>