listView布满小图

drawable/app_background.xml:

<?xml version="1.0" encoding="utf-8"?> 
    <bitmap xmlns:android="http://schemas.android.com/apk/res/android" 
        android:src="@drawable/actual_pattern_image" 
        android:tileMode="repeat" />

values/styles.xml:

<?xml version="1.0" encoding="utf-8"?> 
<resources> 
 
    <style name="app_theme" parent="android:Theme"> 
        <item name="android:windowBackground">@drawable/app_background</item> 
        <item name="android:listViewStyle">@style/TransparentListView</item> 
        <item name="android:expandableListViewStyle">@style/TransparentExpandableListView</item> 
    </style> 
 
 <style name="TransparentListView" parent="@android:style/Widget.ListView"> 
  <item name="android:cacheColorHint">@android:color/transparent</item> 
 </style> 
 
 <style name="TransparentExpandableListView" parent="@android:style/Widget.ExpandableListView"> 
  <item name="android:cacheColorHint">@android:color/transparent</item> 
 </style> 
 
</resources> 

AndroidManifest.xml:

// 
<application android:theme="@style/app_theme"> 
//