title: ADT cannot find emulator
body: <p>I have been using eclipse adt for android development. But now all of a sudden eclipse does not recognise the sdk folder.It says it cannot find the emulator.
  I am using ubuntu 12.04. Here is a screen shot of the IDE. How can I solve this problem?
  <img src="https://i.stack.imgur.com/M9hPC.png" alt="enter image description here"></p>