package com.demo;
import android.content.Context;
import android.os.Bundle;
import android.preference.CheckBoxPreference;
import android.preference.Preference;
import android.preference.PreferenceActivity;
import android.preference.Preference.OnPreferenceChangeListener;
import android.preference.Preference.OnPreferenceClickListener;
import android.widget.Toast;
public class PreferenceDemoActivity extends PreferenceActivity {
    
    Context mContext = null;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        
        // 从资源文件中添Preferences ，选择的值将会自动保存到SharePreferences
        addPreferencesFromResource(R.xml.preference);
        mContext = this;
        //CheckBoxPreference组件
        CheckBoxPreference mCheckbox0 = (CheckBoxPreference) findPreference("checkbox_0");
        mCheckbox0.setOnPreferenceClickListener(new OnPreferenceClickListener() {
            @Override
            public boolean onPreferenceClick(Preference preference) {
                //这里可以监听到这个CheckBox 的点击事件
                return true;
            }
            });
        mCheckbox0.setOnPreferenceChangeListener(new OnPreferenceChangeListener() {
            @Override
            public boolean onPreferenceChange(Preference arg0, Object newValue) {
                //这里可以监听到checkBox中值是否改变了
                //并且可以拿到新改变的值
                Toast.makeText(mContext, "checkBox_0改变的值为" + (Boolean)newValue, Toast.LENGTH_LONG).show();
                return true;
            }
        });
    }
}

<?xml version="1.0" encoding="utf-8"?>
<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android" >

    <PreferenceCategory android:title="CheckBoxPreference">
        <CheckBoxPreference android:key="checkbox_0"
            android:title="CheckBox_A"
            android:summary="这是一个勾选框A" >
        </CheckBoxPreference>
        
    </PreferenceCategory>

</PreferenceScreen>