Empty drawable rectangle in Android

empty_rectangle.xml

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

    <solid android:color="#00000000" />

    <stroke
        android:width="2dp"
        android:color="#FFFFFF" />

    <padding
        android:bottom="1dp"
        android:left="1dp"
        android:right="1dp"
        android:top="1dp" />

    <corners android:radius="30dp" />

</shape>

nice work !