drawable 选中和不选中状态背景图片

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">

    <!-- 非触摸模式下获得焦点并单击时的背景图片 -->
    <item android:drawable="@color/listview_select" android:state_focused="true" android:state_pressed="true" />
    <!-- 触摸模式下单击时的背景图片-->
    <item android:drawable="@color/listview_select" android:state_focused="false" android:state_pressed="true" />
    <!--选中时的图片背景-->
    <item android:drawable="@color/listview_select" android:state_selected="true" />
    <!--获得焦点时的图片背景-->
    <item android:drawable="@color/listview_select" android:state_focused="true" />
    <!-- 默认时的背景图片-->
    <item android:drawable="@color/white" />
</selector>