title: MainActivity leaked using leakcanary
body: <p>I am using Leak Canary to track memory leak and it says the following were leaked: </p>
  
  <pre><code>static hk.o 
  references ht.a 
  leaks MainActivity instance
  </code></pre>
  
  <p>what is the <code>hk.o</code> and <code>ht.a</code>? I dont have them in my MainActivity. </p>