title: Indentify Memory usage in Android App
body: <p>I have created a Android app.But sometime my app is very slow.</p>
  
  <p>I have checked Android Monitor logs then it displays the below message.</p>
  
  <ol>
  <li>WAIT_FOR_CONCURRENT_GC blocked 121ms   </li>
  <li>I/Choreographer: Skipped 171    frames!  The application may be
  doing too much work on its main    thread.</li>
  </ol>
  
  <p>Could you please help me?</p>