title: How to create texture/gradient background
body: <p>I wonder how can I create such a background in Android as shown on the image below:
  <a href="https://i.stack.imgur.com/HssFT.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/HssFT.jpg" alt="enter image description here"></a></p>
  
  <p>I know how to create gradient background and I found out how to use patterns but how can I combine both of them?</p>