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

    <item android:state_pressed="true"><shape>
             <solid
        android:color="@android:color/white"/><!-- 填充的颜色 -->
        </shape></item>
    <item android:state_focused="true"><shape>
             <solid
        android:color="@android:color/white"/><!-- 填充的颜色 -->

                   </shape></item>
    <item><shape>
              <solid
        android:color="@android:color/white"/><!-- 填充的颜色 -->
        </shape></item>

</selector>