<?xml version="1.0" encoding="utf-8"?> 
<resources> 
  <attr name="colorValue" format="color" /> 
  <attr name="floatValue" format="float" /> 
  <attr name="integerValue" format="integer" /> 
  <attr name="booleanValue" format="boolean" /> 
  <attr name="dimensionValue" format="dimension" /> 
  <attr name="stringValue" format="string" /> 
  <attr name="referenceValue" format="color|reference" /> 
  <attr name="imageValue" format="reference"/> 
 
  <attr name="curVisibility"> 
  <enum name="show" value="0" /> 
  <!-- Not displayed, but taken into account during layout (space is left for it). --> 
  <enum name="inshow" value="1" /> 
  <!-- Completely hidden, as if the view had not been added. --> 
  <enum name="hide" value="2" /> 
  </attr> 
</resources> 

<style name="DayTheme" parent="Theme.Sherlock.Light">> 
  <item name="colorValue">@color/title</item> 
  <item name="floatValue">0.35</item> 
  <item name="integerValue">33</item> 
  <item name="booleanValue">true</item> 
  <item name="dimensionValue">16dp</item> 
  <!-- 如果string类型不是填的引用而是直接放一个字符串,在布局文件中使用正常,但代码里获取的就有问题 --> 
  <item name="stringValue">@string/action_settings</item> 
  <item name="referenceValue">@drawable/bg</item> 
  <item name="imageValue">@drawable/launcher_icon</item> 
  <item name="curVisibility">show</item> 
</style> 
<style name="NightTheme" parent="Theme.Sherlock.Light"> 
  <item name="colorValue">@color/night_title</item> 
  <item name="floatValue">1.44</item> 
  <item name="integerValue">55</item> 
  <item name="booleanValue">false</item> 
  <item name="dimensionValue">18sp</item> 
  <item name="stringValue">@string/night_action_settings</item> 
  <item name="referenceValue">@drawable/night_bg</item> 
  <item name="imageValue">@drawable/night_launcher_icon</item> 
  <item name="curVisibility">hide</item> 
</style> 

<?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="match_parent"  
  android:background="?attr/referenceValue" 
  android:orientation="vertical" 
  > 
  <TextView 
    android:id="@+id/setting_Color" 
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content" 
    android:text="TextView" 
    android:textColor="?attr/colorValue" /> 
  <CheckBox 
        android:id="@+id/setting_show_answer_switch" 
        android:layout_width="wrap_content" 
        android:layout_height="wrap_content"         
        android:checked="?attr/booleanValue"/>   
  <TextView 
    android:id="@+id/setting_Title" 
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content"  
    android:textSize="?attr/dimensionValue"  
    android:text="@string/text_title" 
    android:textColor="?attr/colorValue" />  
  <TextView 
    android:id="@+id/setting_Text" 
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content"  
    android:text="?attr/stringValue" /> 
 
  <ImageView 
    android:id="@+id/setting_Image" 
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content"   
    android:src="?attr/imageValue" /> 
 
 
  <View android:id="@+id/setting_line" 
    android:layout_width="match_parent" 
    android:layout_height="1dp" 
    android:visibility="?attr/curVisibility" 
    />  
</LinearLayout> 

@Override 
  protected void onCreate(Bundle savedInstanceState) {     
    super.onCreate(savedInstanceState); 
    if(MyApplication.appConfig.getNightModeSwitch()){ 
      this.setTheme(R.style.NightTheme); 
    }else{ 
      this.setTheme(R.style.DayTheme); 
    } 
    setContentView(R.layout.setting); 
    ……  
  } 

@Override 
 public View onCreateView(LayoutInflater inflater, ViewGroup container, 
              Bundle savedInstanceState) { 
   if(MyApplication.appConfig.getNightModeSwitch()){ 
     getActivity().setTheme(R.style.NightTheme); 
   }else{ 
     getActivity().setTheme(R.style.DayTheme); 
   } 
   final View view = inflater.inflate(R.layout.setting, null); 
   …… 
 
  } 

<item name="floatValue">1.44</item> 
<item name="integerValue">55</item>