How to use Android GradientDrawable

Question

I try to use the GradientDrawable to set a gradient to some backgrounds and buttons. Sadly the documentation is not very detailed.

What are the main attributes to conf

Answer 1

use this xml as background to the imageview.

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android">
<gradient android:angle="90" android:startColor="#7c0000" android:endColor="#A71C1C"/>
</shape>

thats it.