title: What is meaning of NO-HEAD in eclipse for android app?
body: <p>I am new to Android &amp; eclipse. When I make a test project I can run it. Now when I delete it from eclipse and import again it's not work. because it's exist in my workspace.</p>
  
  <p>For import I move them to another folder. Now When I open them through Option-> open existing android project then it's show me "NO-HEAD".</p>
  
  <p>What it is and Why Every folder in my project have a icon (different) then previous. Can someone tell me about it. I have attached the image for explanation<img src="https://i.stack.imgur.com/rgesE.png" alt="enter image description here">. 
  <img src="https://i.stack.imgur.com/1iYyM.png" alt="enter image description here"></p>