title: Object ID and Installation ID in parse SDK giving null value
body: <p>I am trying to get <code>installation id</code> and <code>object id</code> from parse by using below code:</p>
  
  <pre><code>Parse.initialize(this, Constants.PARSE_APPLICATION_ID, Constants.PARSE_CLIENT_KEY);
  
  ParseInstallation.getCurrentInstallation().getObjectId() and 
  ParseInstallation.getCurrentInstallation().getInstallationId().
  </code></pre>
  
  <p>I am using above code in application class of android. both giving me null. and sometimes they give values to me, but not showing its entry in parse console. can anyone please help me this, what exactly wrong i am doing. Thanks in advance.</p>