title: how does whatsapp service gets restarted even if i force stop app?
body: <p>I am running whatsapp (we could call it appX from now on) in device A. I go to manage applications -> force close so appX gets closed and i no longer see appX as running services.</p>
  
  <p>Now, after 5 minutes, I send a message from another device 's appX (device B) to device A appX (the one we killed it).
    Here are the 2 scenarios i tested :</p>
  
  <ul>
  <li><p>device A with android 2.1 : it never receives the message, therefore we could say that none of appX services got restarted. It ONLY receives the message if manually the user restarts the app.</p></li>
  <li><p>device A with android 2.3.6 : for SOME magic reason, no matter how long it's been since appX got killed, as soon as we send the message from device B -> device A gets the message, therefore, appX's service gets restarted. Note : all the time that appX was closed and WITHOUT receiving any notification, i wasn't able to see any running services of appX in manage applications, so this means that this magic service gets restarted as soon as it receives a message/notification</p></li>
  </ul>
  
  <p>I know it sounds weird, and lot of people will say this is impossible, but again, this has been tested on these 2 devices.</p>
  
  <p>I am trying to accomplish this same behavior, so any help will be appreciated it.</p>