title: Designing and developing a header for many screens - android
body: <p>I have a header wich looks like that in my app:
  <img src="https://i.stack.imgur.com/h4Wst.jpg" alt="header"></p>
  
  <p>I want it to be from left side to the right side from the screen.</p>
  
  <p>What are the exact steps I have to make it look good on as many devices as possible?</p>