layer-list用法

将多个图片或上面两种效果按照顺序层叠起

<?xml version="1.0" encoding="utf-8"?>

<layer-list xmlns:android="http://schemas.android.com/apk/res/android">

<item>

<bitmap android:src="@drawable/android_red"

android:gravity="center" />

</item>

<item android:top="10dp" android:left="10dp">

<bitmap android:src="@drawable/android_green"

android:gravity="center" />

</item>

<item android:top="20dp" android:left="20dp">

<bitmap android:src="@drawable/android_blue"

android:gravity="center" />

</item>

</layer-list>

<selector xmlns:android="http://schemas.android.com/apk/res/android">

<item android:state_pressed="true">

<layer-list>

<item android:bottom="8.0dip">

<shape>

<solid android:color="#ffaaaaaa" />

</shape>

</item>

<item>

<shape>

<corners android:bottomLeftRadius="4.0dip" android:bottomRightRadius="4.0dip" android:topLeftRadius="1.0dip" android:topRightRadius="1.0dip" />

<solid android:color="#ffaaaaaa" />

<padding android:bottom="1.0dip" android:left="1.0dip" android:right="1.0dip" android:top="0.0dip" />

</shape>

</item>

<item>

<shape>

<corners android:bottomLeftRadius="3.0dip" android:bottomRightRadius="3.0dip" android:topLeftRadius="1.0dip" android:topRightRadius="1.0dip" />

<solid android:color="@color/setting_item_bgcolor_press" />

</shape>

</item>

</layer-list>

</item>

<item>

<layer-list>

<item android:bottom="8.0dip">

<shape>

<solid android:color="#ffaaaaaa" />

</shape>

</item>

<item>

<shape>

<corners android:bottomLeftRadius="4.0dip" android:bottomRightRadius="4.0dip" android:topLeftRadius="1.0dip" android:topRightRadius="1.0dip" />

<solid android:color="#ffaaaaaa" />

<padding android:bottom="1.0dip" android:left="1.0dip" android:right="1.0dip" android:top="0.0dip" />

</shape>

</item>

<item>

<shape>

<corners android:bottomLeftRadius="3.0dip" android:bottomRightRadius="3.0dip" android:topLeftRadius="1.0dip" android:topRightRadius="1.0dip" />

<solid android:color="@color/setting_item_bgcolor" />

</shape>

</item>

</layer-list>

</item>

</selector>