title: Android Network operation
body: <p>I have a question regarding the Network operation in android application, If suppose I have a async task in my application which is downloading data from Server via REST APIs.</p>
  
  <p>My questions are </p>
  
  <ol>
  <li>While the async task is being executed if the user presses the home button what happens to the network operation?</li>
  <li>If I again start the application do i need to execute the network operation again?</li>
  </ol>