title: Android layout design- first element focus issue
body: <p>When I am designing android layout.The first time all element's focusing order is fine.But after changing focus for first time the order is change <em>[as a bellow image]</em>.
  (At first it  select <code>Number 1 EditText</code>,but now it's goes to select <code>Number 2 EditText</code>),<strong>How it's happen ?</strong>(below image shown that change).</p>
  
  <p><img src="https://i.stack.imgur.com/yiTER.png" alt="enter image description here"></p>
  
  <p>In Windows there have GUI option to set tab order,but <strong>how to set first focus element in android design time?</strong></p>