source: dispositivos_moviles/TibisayMovil/res/drawable/background_tab_disabled.xml @ a8ff2b6

<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android" >

    <item>

        <shape android:shape="rectangle" >

            <gradient
                android:angle="0"
                android:endColor="#3a3a3a"
                android:startColor="#3a3a3a" />
        </shape>
    </item>

    <item
        android:right="1dp"
        android:left="1dp"
        android:top="1dp">

        <shape android:shape="rectangle" >
           <gradient
                android:angle="0"
                android:endColor="#4a4a4a"
                android:startColor="#4a4a4a" />
      
        </shape>
    </item>

</layer-list>