title: Difference between Handler.post(Runnable r) and Activity.runOnUiThread(Runnable r)
body: <p>Is there a difference between</p>
  
  <pre><code>new Handler.post(Runnable r);
  </code></pre>
  
  <p>and</p>
  
  <pre><code>activity.runOnUiThread(Runnable r)
  </code></pre>