<?xml version="1.0" encoding="utf-8"?>
<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android" ><PreferenceCategory android:title="我的位置源" ><CheckBoxPreferenceandroid:key="wireless_network"android:summary="使用无线网络查看应用程序（例如Google地图）中的位置"android:title="使用无线网络" /><CheckBoxPreferenceandroid:key="gps_satellite_setting"android:summary="定位时，精确到街道级别（取消选择可节约电量）"android:title="启用GPS卫星设置" /></PreferenceCategory><PreferenceCategory android:title="个人信息设置" ><CheckBoxPreferenceandroid:key="yesno_save_individual_info"android:title="是否保存个人信息" /><EditTextPreferenceandroid:key="individual_name"android:summary="请输入真实姓名"android:title="姓名" /><PreferenceScreenandroid:key="other_individual_msg"android:summary="是否工作、手机"android:title="其他个人信息" ><CheckBoxPreferenceandroid:key="is_an_employee"android:title="是否工作" /><EditTextPreferenceandroid:key="mobile"android:summary="请输入真实的手机号"android:title="手机" /></PreferenceScreen></PreferenceCategory></PreferenceScreen>

package net.blogjava.mobile;import android.content.SharedPreferences;
import android.os.Bundle;
import android.preference.Preference;
import android.preference.PreferenceActivity;
import android.preference.PreferenceScreen;
import android.preference.Preference.OnPreferenceChangeListener;public class Main extends PreferenceActivity implementsOnPreferenceChangeListener
{/** Called when the activity is first created. */@Overridepublic void onCreate(Bundle savedInstanceState){super.onCreate(savedInstanceState);getPreferenceManager().setSharedPreferencesName("setting");addPreferencesFromResource(R.xml.preference_setting);Preference individualNamePreference = findPreference("individual_name");SharedPreferences sharedPreferences= individualNamePreference.getSharedPreferences();individualNamePreference.setSummary(sharedPreferences.getString("individual_name", ""));if (sharedPreferences.getBoolean("yesno_save_individual_info", false))individualNamePreference.setEnabled(true);elseindividualNamePreference.setEnabled(false);individualNamePreference.setOnPreferenceChangeListener(this);}public boolean onPreferenceChange(Preference preference, Object newValue){preference.setSummary(String.valueOf(newValue));                return true;}@Overridepublic boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen,Preference preference){if ("yesno_save_individual_info".equals(preference.getKey())){findPreference("individual_name").setEnabled(!findPreference("individual_name").isEnabled());}return super.onPreferenceTreeClick(preferenceScreen, preference);}
}