<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android" >    <PreferenceCategory        android:layout="@layout/prefs_category_widget"        android:title="第一个模块的标题" >        <!-- 设置单选模块 -->        <CheckBoxPreference            android:icon="@drawable/appstore"            android:key="checkbox_preference"            android:layout="@layout/preference_item"            android:summary="整个布局都是自定义的，包括图标、文字、点击效果和单选按钮"            android:title="标题"            android:widgetLayout="@layout/checkbox_preference_widget" />        <MultiSelectListPreference            android:layout="@layout/preference_item"            android:entries="@array/floatColor"            android:entryValues="@array/floatColor_value"            android:key="multSelect_preference"            android:summary="点击可以选择多个选项"            android:title="多选列表" />        <RingtonePreference            android:layout="@layout/preference_item"            android:key="ringtone_preference"            android:summary="点击选择铃声"            android:title="铃声选择列表" />        <SwitchPreference            android:layout="@layout/preference_item"            android:key="switch_preference"            android:summaryOff="已关闭"            android:summaryOn="已开启"            android:switchTextOff="close"            android:switchTextOn="open"            android:title="开关" />    </PreferenceCategory>    <PreferenceCategory        android:layout="@layout/prefs_category_widget"        android:title="第二个模块的标题" >        <!-- 设置输入框模块 -->        <EditTextPreference            android:layout="@layout/preference_item"            android:dialogIcon="@drawable/itunes"            android:dialogTitle="dialog_title_edittext_preference"            android:key="edittext_preference"            android:negativeButtonText="cancel"            android:positiveButtonText="ok"            android:title="文本输入" />        <!-- 选择列表模块 -->        <ListPreference            android:layout="@layout/preference_item"            android:dialogTitle="dialog_title_list_preference"            android:entries="@array/floatColor"            android:entryValues="@array/floatColor_value"            android:key="list_preference"            android:summary="点击后会弹出一个单选列表来选择数据"            android:title="列表选择框" />    </PreferenceCategory>    <!-- 点击后又启动一个fragment -->    <PreferenceCategory        android:layout="@layout/prefs_category_widget">        <!--             This PreferenceScreen tag sends the user to a new fragment of             preferences.  If running in a large screen, they can be embedded             inside of the overall preferences UI.        -->        <PreferenceScreen            android:layout="@layout/preference_item"            android:fragment="com.kale.shared.MainActivity$Prefs1FragmentInner"            android:summary="点击后跳到另一个fragment_preference"            android:title="另一个fragment_preference" >            <!-- Arbitrary key/value pairs can be included for fragment arguments -->            <extra                android:name="someKey"                android:value="somePrefValue" />        </PreferenceScreen>        <!--             This PreferenceScreen tag sends the user to a completely different             activity, switching out of the current preferences UI.        -->        <PreferenceScreen            android:layout="@layout/preference_item"            android:icon="@drawable/ic_launcher"            android:summary="点击后跳转到 http://www.android.com"            android:title="点击触发intent动作" >            <intent                android:action="android.intent.action.VIEW"                android:data="http://www.android.com" />        </PreferenceScreen>    </PreferenceCategory>    <PreferenceCategory        android:layout="@layout/prefs_category_widget"        android:title="第四个模块的标题" >        <CheckBoxPreference            android:layout="@layout/preference_item"            android:icon="@drawable/ic_launcher"            android:key="parent_checkbox_preference"            android:summary="点击后才可以让子控件可操作"            android:title="父选择控件"            android:widgetLayout="@layout/checkbox_preference_widget" />        <!-- The visual style of a child is defined by this styled theme attribute. -->        <!-- 子控件关联父控件，如果父控件选中后子控件才可用 -->        <!--  android:layout="?android:attr/preferenceLayoutChild" -->        <CheckBoxPreference            android:dependency="parent_checkbox_preference"            android:icon="@drawable/calculator"            android:key="child_checkbox_preference"            android:layout="@layout/preference_item"            android:title="子控件（依托于父控件）"            android:widgetLayout="@layout/checkbox_preference_widget" />    </PreferenceCategory></PreferenceScreen>

<?xml version="1.0" encoding="UTF-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="fill_parent"    android:layout_height="wrap_content"    android:background="#ededed"    android:orientation="vertical" >    <!-- 这个id需要注意，要引用安卓源码中的 -->    <ImageView        android:layout_width="match_parent"        android:layout_height="1dp"        android:src="#dadada" />    <ImageView        android:layout_width="match_parent"        android:layout_height="1dp"        android:layout_marginBottom="13dp"        android:src="#e2e2e2" />    <TextView        android:id="@android:id/title"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:paddingLeft="6dp"        android:layout_marginBottom="2dp"        android:textColor="#939393"        android:textSize="14sp" />    <ImageView        android:layout_width="match_parent"        android:layout_height="1dp"        android:src="#e9e9e9" /></LinearLayout>

<?xml version="1.0" encoding="UTF-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="match_parent"    android:layout_height="wrap_content"    android:background="@drawable/selector_item"    android:gravity="center_vertical"    android:minHeight="?android:listPreferredItemHeight"    android:orientation="horizontal" >    <ImageView        android:id="@android:id/icon"        android:layout_width="40dp"        android:layout_height="40dp"        android:layout_gravity="center_vertical"        android:layout_marginLeft="3dp"        android:scaleType="fitStart"        android:src="@drawable/appstore" />    <RelativeLayout        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_marginBottom="4dp"        android:layout_marginTop="4dp" >        <TextView            android:id="@android:id/title"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:layout_centerVertical="true"            android:ellipsize="marquee"            android:fadingEdge="horizontal"            android:singleLine="true"            android:text="title"            android:textColor="#4d4d4d"            android:textSize="18.0sp" />        <TextView            android:id="@android:id/summary"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:layout_centerVertical="true"            android:layout_marginLeft="15dp"            android:layout_toRightOf="@android:id/title"            android:layout_toLeftOf="@android:id/widget_frame"            android:maxLines="2"            android:text="summary"            android:textColor="#AAAAAA"            android:textSize="14sp" />        <LinearLayout            android:id="@android:id/widget_frame"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:layout_alignParentRight="true"            android:layout_marginLeft="4dp"            android:layout_centerVertical="true"            android:gravity="center_vertical"            android:orientation="vertical" >        </LinearLayout>    </RelativeLayout></LinearLayout>

<?xml version="1.0" encoding="UTF-8"?><!-- 这里放上系统的id --><CheckBox xmlns:android="http://schemas.android.com/apk/res/android"    android:id="@android:id/checkbox"    android:layout_width="wrap_content"    android:layout_height="wrap_content"    android:layout_gravity="center_vertical"    android:button="@drawable/selector_checkbox"    android:clickable="false"    android:focusable="false" 

package com.kale.shared;import java.util.List;import android.content.SharedPreferences;import android.os.Bundle;import android.preference.PreferenceActivity;import android.preference.PreferenceFragment;import android.preference.PreferenceManager;import android.util.Log;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;public class MainActivity extends PreferenceActivity {    SharedPreferences sp;    SharedPreferences.Editor editor;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        //设置背景图，给activity设置后。所有fragment的背景都会改了，十分方便！        getWindow().setBackgroundDrawable(getResources().getDrawable(R.drawable.bgColor));        //setContentView(R.layout.activity_main); 这里就不能设置布局了                sp = getSharedPreferences("kaleShared", MODE_PRIVATE);        editor = sp.edit();        editor.putString("KEY", "value");        editor.commit();                if (sp.contains("KEY")) {            System.out.println("have a key");        }        ;    }    /**     * Populate the activity with the top-level headers.     */    @Override    public void onBuildHeaders(List<Header> target) {        //下面我们从源码的角度来自己搭建整个布局，所以我们设置布局。整个布局里面用一个list，id是默认的@android:id/list        setContentView(R.layout.preference_hearders_frame);        loadHeadersFromResource(R.xml.preference_headers, target);    }        public static class Prefs0Fragment extends PreferenceFragment {        @Override        public void onCreate(Bundle savedInstanceState) {            super.onCreate(savedInstanceState);            // Load the preferences from an XML resource            addPreferencesFromResource(R.xml.customer_preferences);        }                @Override        public View onCreateView(LayoutInflater inflater, ViewGroup container,                Bundle savedInstanceState) {            View v = inflater.inflate(R.layout.preference_hearders_frame, container, false);            return v;        }    }        /**     * This fragment shows the preferences for the first header.     */    public static class Prefs1Fragment extends PreferenceFragment {        @Override        public void onCreate(Bundle savedInstanceState) {            super.onCreate(savedInstanceState);                        // Make sure default values are applied.  In a real app, you would            // want this in a shared function that is used to retrieve the            // SharedPreferences wherever they are needed.            PreferenceManager.setDefaultValues(getActivity(),R.xml.fx_setting, false);            // Load the preferences from an XML resource            addPreferencesFromResource(R.xml.fragmented_preferences);        }    }   /**     * This fragment contains a second-level set of preference that you     * can get to by tapping an item in the first preferences fragment.     */    /**     * @author:Jack Tony     * @tips  :在第一个fragment中点击一个PreferenceScreen中的fragment对象启动的fragment     * @date  :2014-8-4     */    public static class Prefs1FragmentInner extends PreferenceFragment {        @Override        public void onCreate(Bundle savedInstanceState) {            super.onCreate(savedInstanceState);            // Can retrieve arguments from preference XML.            Log.i("args", "Arguments: " + getArguments());            // Load the preferences from an XML resource            addPreferencesFromResource(R.xml.fx_setting);        }    }    /**     * This fragment shows the preferences for the second header.     */    public static class Prefs2Fragment extends PreferenceFragment {        @Override        public void onCreate(Bundle savedInstanceState) {            super.onCreate(savedInstanceState);            // Can retrieve arguments from headers XML.            Log.i("args", "Arguments: " + getArguments());            // Load the preferences from an XML resource            addPreferencesFromResource(R.xml.display_prefs);        }    }}