title: "Attribute class is not allowed here" in xml file Android studio 3.4 error
body: <p>Attribute class is not allowed here error. I don't know what is causing this error</p>
  
  <pre><code>Android studio :3.4
  classpath "com.android.tools.build:gradle:3.4.0"
  </code></pre>
  
  <p><a href="https://i.stack.imgur.com/upa8Z.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/upa8Z.png" alt="error"></a></p>