Button自定义点击效果

<?xml version="1.0" encoding="utf-8"?><selector xmlns:android="http://schemas.android.com/apk/res/android">    <item android:drawable="@drawable/car_list_press" android:state_focused="true"/>    <item android:drawable="@drawable/car_list_press" android:state_selected="true"/>    <item android:drawable="@drawable/car_list_press" android:state_pressed="true"/>    <item android:drawable="@drawable/car_list_normal"></item></selector>