emboss button in android app
<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<!-- Outside border/shadow -->
<item>
<shape android:shape="oval">
<size android:width="200dp" android:height="200dp" />
<gradient android:angle="90" android:startColor="#f4f4f4" android:endColor="#b9b9b9" />
</shape>
</item>
<!-- Inset -->
<item android:top="1dp" android:left="1dp" android:right="1dp" android:bottom="1dp">
<shape android:shape="oval">
<gradient android:angle="90" android:startColor="#dcdcdc" android:endColor="#c9c9c9" />
</shape>
</item>
<!-- Inside border/shadow -->
<item android:top="15dp" android:left="15dp" android:right="15dp" android:bottom="15dp">
<shape android:shape="oval">
<gradient android:angle="90" android:startColor="#8c8c8c" android:endColor="#cbcbcb" />
</shape>
</item>
<!-- Main button -->
<item android:top="16dp" android:left="16dp" android:right="16dp" android:bottom="16dp">
<shape android:shape="oval">
<solid android:color="#ffffff" />
</shape>
</item>
<!-- Button image -->
<item android:top="70dp" android:left="70dp" android:right="70dp" android:bottom="70dp">
<shape android:shape="rectangle">
<solid android:color="#3b88c2" />
<corners android:radius="20dp" />
</shape>
</item>
<item android:top="75dp" android:left="75dp" android:right="75dp" android:bottom="75dp">
<shape android:shape="rectangle">
<solid android:color="#ffffff" />
<corners android:radius="20dp" />
</shape>
</item>
<item android:top="80dp" android:left="80dp" android:right="80dp" android:bottom="80dp">
<shape android:shape="rectangle">
<solid android:color="#3b88c2" />
<corners android:radius="20dp" />
</shape>
</item>
</layer-list>