title: Floating action button in andoidx library
body: <p>Hi is there anyone knows how to use the floating action button with andoidx library I think in android x library they replace </p>
  
  <pre><code>implementation 'com.android.support:appcompat-v7:xx.xx.xx'
  </code></pre>
  
  <p>by</p>
  
  <pre><code>implementation 'androidx.appcompat:appcompat:1.0.0'
  </code></pre>
  
  <p>but it's not helping any suggetion?</p>