Android的另类布局方式include和层叠layer-list方式

<?xml version="1.0" encoding="utf-8"?><layer-list xmlns:android="http://schemas.android.com/apk/res/android"><item><shapeandroid:shape="rectangle"><solidandroid:color="@color/button_default_color"/><stroke     android:width="@dimen/width1"     android:color="@color/button_default_stroke"/>    <cornersandroid:radius="@dimen/radius4"/></shape></item><item><bitmapandroid:src="@drawable/maplayers"    android:gravity="center"/></item></layer-list>