title: Hidden state of the Bottom Sheet
body: <p>I am trying to set hidden state for <code>BottomSheet</code>, but it doesn't work. What's the problem?</p>
  
  <pre><code> bottomBar = BottomSheetBehavior.from(findViewById(R.id.bottom_bar));
   bottomBar.setState(BottomSheetBehavior.STATE_HIDDEN);
  </code></pre>