title: Parse cannot be resolved
body: <p>i've got a problem, i've an android application, i want to implement push notification with parse
  i follow this tutorial on parse site
  <a href="https://www.parse.com/apps/quickstart?onboard=#parse_push/android/existing" rel="nofollow">https://www.parse.com/apps/quickstart?onboard=#parse_push/android/existing</a></p>
  
  <p>but when i put </p>
  
  <pre><code>Parse.initialize(this, "xxxxxxxxxxx", "xxxxxxxxxxx");
  </code></pre>
  
  <p>ecplise says "Parse cannot be resolved"</p>
  
  <p>how can i solve this?
  and what is "build.gradle" ?</p>