public class HelloPreference extends PreferenceActivity implementsPreference.OnPreferenceClickListener,Preference.OnPreferenceChangeListener {private static String TAG = "HelloPreference";private CheckBoxPreference mapply_wifiPreference;       //打开wifiprivate CheckBoxPreference mapply_internetPreference;   //Internet共享private ListPreference      depart_valuePreference;        //部门设置private EditTextPreference number_editPreference;        //输入电话号码private Preference mwifi_settingPreference;              //wifi设置private String oldDeptId; // 旧部门的名称public void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);addPreferencesFromResource(R.xml.mypreference);//根据key值找到控件mapply_wifiPreference = (CheckBoxPreference) findPreference("apply_wifi");mapply_internetPreference = (CheckBoxPreference) findPreference("apply_internet");depart_valuePreference = (ListPreference) findPreference("depart_value");number_editPreference = (EditTextPreference) findPreference("number_edit");mwifi_settingPreference = (Preference) findPreference("wifi_setting");// 设置监听器mapply_internetPreference.setOnPreferenceClickListener(this);mapply_internetPreference.setOnPreferenceChangeListener(this);depart_valuePreference.setOnPreferenceClickListener(this);depart_valuePreference.setOnPreferenceChangeListener(this);number_editPreference.setOnPreferenceClickListener(this);number_editPreference.setOnPreferenceChangeListener(this);mwifi_settingPreference.setOnPreferenceClickListener(this);// 得到我们的存储Preferences值的对象，然后对其进行相应操作SharedPreferences shp = PreferenceManager.getDefaultSharedPreferences(this);boolean apply_wifiChecked = shp.getBoolean("apply_wifi", false);}// 对控件进行的一些操作private void operatePreference(Preference preference) {if (preference == mapply_wifiPreference){                  //点击了    "打开wifi"Log.i(TAG, " Wifi CB, and isCheckd ="+ mapply_wifiPreference.isChecked());}else if (preference.getKey().equals("apply_internet")){   //点击了"Internet共享"Log.i(TAG, " internet CB, and isCheckd = "+mapply_internetPreference.isChecked());}else if (preference == depart_valuePreference){           //点击了 "部门设置"Log.i(TAG, " department CB,and selectValue = "+ depart_valuePreference.getValue() + ", Text="+ depart_valuePreference.getEntry());}else if (preference.getKey().equals("wifi_setting")) {    //点击了"wifi设置"mwifi_settingPreference.setTitle("its turn me.");}else if (preference == number_editPreference)             //点击了"输入电话号码"Log.i(TAG, "Old Value="+ number_editPreference.getText() + ", New Value="+ number_editPreference.getEditText().toString());}// 点击事件触发@Overridepublic boolean onPreferenceClick(Preference preference) {// TODO Auto-generated method stubLog.i(TAG, "onPreferenceClick----->"+String.valueOf(preference.getKey()));// 对控件进行操作operatePreference(preference);return false;}//点击事件触发public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen,Preference preference) {Log.i(TAG, "onPreferenceTreeClick----->"+preference.getKey());// 对控件进行操作operatePreference(preference);if (preference.getKey().equals("wifi_setting")) {// 创建一个新的Intent，// 函数如果返回true， 则跳转至该自定义的新的Intent ;// 函数如果返回false，则跳转至xml文件中配置的Intent ;Intent i = new Intent(HelloPreference.this, OtherActivity.class);  //OtherActivity只是一个简单的Activityi.putExtra("type", "wifi");startActivity(i);return true;}return false;}// 当Preference的值发生改变时触发该事件，true则以新值更新控件的状态，false则do notingpublic boolean onPreferenceChange(Preference preference, Object objValue) {Log.i(TAG, "onPreferenceChange----->"+String.valueOf(preference.getKey()));if (preference == mapply_wifiPreference){Log.i(TAG, "Wifi CB, and isCheckd = " + String.valueOf(objValue));}else if (preference.getKey().equals("apply_internet")) {Log.i(TAG, "internet CB, and isCheckd = "+ String.valueOf(objValue));return false;  //不保存该新值}else if (preference == depart_valuePreference){Log.i(TAG, "  Old Value"+ depart_valuePreference.getValue()+" NewDeptName"+objValue);}else if (preference.getKey().equals("wifi_setting")) {Log.i(TAG, "change" + String.valueOf(objValue));mwifi_settingPreference.setTitle("its turn me.");  //重新设置title} else if (preference == number_editPreference) {Log.i(TAG, "Old Value = " + String.valueOf(objValue));return false; // 不保存更新值}return true;  //保存更新后的值}
}

Demo中preference.xml的布局文件如下：
<?xml version="1.0" encoding="utf-8"?>
<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"><PreferenceCategory android:title="我的位置"android:key="set_local" /><CheckBoxPreference android:key="apply_wireless"android:title="使用无线网络" android:summary="使用无线网络在应用程序（例如Google地图）中查看位置"android:defaultValue="true"></CheckBoxPreference><CheckBoxPreference android:key="apply_gps"android:title="使用GPS" android:summary="定位到街道级别（需要消耗更多的电量以及天气允许）"></CheckBoxPreference><PreferenceCategory android:title="无线和网络设置"></PreferenceCategory><CheckBoxPreference android:key="apply_fly"android:title="飞行模式" android:summary="禁用所有无线连接" ></CheckBoxPreference><CheckBoxPreference android:key="apply_internet"android:title="Internet共享" android:summary="禁用通过USB共享Internet连接"></CheckBoxPreference><CheckBoxPreference android:key="apply_wifi"android:title="Wi-Fi" android:summary="打开Wi-Fi"></CheckBoxPreference><Preference android:key="wifi_setting" android:title="Wi-Fi设置"android:summary="设置和管理无线接入点" android:dependency="apply_wifi"><!-- 点击时 自定义一个默认跳转Intent  action指定隐式Intent --><!-- action指定隐式Intent ; targetPackage和targetClass指定显示Intent--><intent android:action="com.feixun.action.seemAction"android:targetPackage="com.feixun.qin"                  android:targetClass="com.feixun.qin.MainActivity" /></Preference><CheckBoxPreference android:key="apply_bluetooth"android:title="蓝牙" android:summary="启用蓝牙"></CheckBoxPreference><Preference android:key="bluetooth_setting" android:title="蓝牙设置"android:summary="管理连接、设备设备名称和可检测性" android:dependency="apply_bluetooth"></Preference><EditTextPreference android:key="number_edit"android:title="输入电话号码" android:defaultValue="123"></EditTextPreference><ListPreference android:key="depart_value"android:title="部门设置" android:dialogTitle="选择部门" android:entries="@array/department"android:entryValues="@array/department_value"></ListPreference><RingtonePreference android:key="ring_key"android:title="铃声" android:ringtoneType="all" android:showDefault="true"android:showSilent="true"></RingtonePreference>
</PreferenceScreen>