新的SDK中已经推荐PreferenceFragment代替PreferenceActivity展示设置页面，主要设置参数如下：

XML文件：

<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright (C) 2008 The Android Open Source ProjectLicensed under the Apache License, Version 2.0 (the "License");you may not use this file except in compliance with the License.You may obtain a copy of the License athttp://www.apache.org/licenses/LICENSE-2.0Unless required by applicable law or agreed to in writing, softwaredistributed under the License is distributed on an "AS IS" BASIS,WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.See the License for the specific language governing permissions andlimitations under the License.
--><PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"><PreferenceCategoryandroid:title="@string/wifi_tether_setting_title"android:persistent="false"/><ListPreferenceandroid:key="wifi_auto_disable"android:title="@string/wifi_tether_auto_disable_title"android:persistent="false"android:entries="@array/wifi_hotspot_disable_policy_entries"android:entryValues="@array/wifi_hotspot_disable_policy_values"/><Preferenceandroid:key="wifi_ap_ssid_and_security"android:title="@string/wifi_tether_configure_ap_text"android:persistent="false" /><CheckBoxPreferenceandroid:key="suspend_optimizations"android:title="@string/wifi_hotspot_suspend_optimizations"android:summary="@string/wifi_hotspot_suspend_optimizations_summary"android:persistent="false" /><Preferenceandroid:key="wps_connect"android:title="@string/wifi_tether_wps_connect_title"android:summary="@string/wifi_tether_wps_connect_summary" android:persistent="false" /><Preferenceandroid:key="bandwidth_usage"android:title="@string/wifi_ap_bandwidth_title"android:fragment="com.mediatek.wifi.hotspot.BandwidthUsage"android:persistent="false" /><PreferenceCategoryandroid:key="connected_category"android:title="@string/wifi_ap_connected_title"android:persistent="false"/><PreferenceCategoryandroid:key="blocked_category"android:title="@string/wifi_ap_blocked_title"android:persistent="false"/>
</PreferenceScreen>

Activity为：

package com.example.wifihotspot2;import android.preference.PreferenceActivity;
import android.app.Activity;
import android.content.SharedPreferences;  
import android.os.Bundle;  
import android.preference.EditTextPreference;  
import android.preference.ListPreference;  
import android.preference.Preference;  
import android.preference.Preference.OnPreferenceChangeListener;  
import android.preference.PreferenceActivity;  
import android.preference.PreferenceManager;  
import android.text.AndroidCharacter;
import android.view.View;  
import android.preference.PreferenceFragment;  
public class SettingsPreferenctScreenActivity extends Activity {SharedPreferences prefs;  /* (non-Javadoc)* @see android.preference.PreferenceActivity#onCreate(android.os.Bundle)*/@Overrideprotected void onCreate(Bundle savedInstanceState) {// TODO Auto-generated method stubsuper.onCreate(savedInstanceState);getFragmentManager().beginTransaction().replace(android.R.id.content, new PrefsFragement()).commit();}public static class PrefsFragement extends PreferenceFragment{/* (non-Javadoc)* @see android.preference.PreferenceFragment#onCreate(android.os.Bundle)*/@Overridepublic void onCreate(Bundle savedInstanceState) {// TODO Auto-generated method stubsuper.onCreate(savedInstanceState);addPreferencesFromResource(R.xml.tether_wifi_prefs);}  }}