Android Shape详解

使用位置：res/drawable/*.xml

<?xml version="1.0" encoding="utf-8"?>
<!—Shape 详解 -->
<layer-list xmlns:android="http://schemas.android.com/apk/res/android" >
    <item>
        <shape>
            <solid /><!-- 填充色，实心填充 -->
            <corners /> <!— 圆角 -->
            <stroke /> <!— 描边 颜色宽度都可以设置 –>

            <gradient/><!-- 渐变色 -->

        </shape>
    </item>

</layer-list>