title: Android Studio 3.0 cannot resolve symbol Theme
body: <p>As stated in style.xml, there is a weird error, which shows Cannot resolve symbol 'Theme', which is quite strange.</p>
  
  <p>See pic of the error :- 
  <a href="https://i.stack.imgur.com/H86yr.png" rel="noreferrer"><img src="https://i.stack.imgur.com/H86yr.png" alt="enter image description here"></a></p>
  
  <p>My Project Specs:-</p>
  
  <p>Using Android Studio 3.0</p>
  
  <p>and gradle version 3.0.0</p>
  
  <p>and distributionUrl=https://services.gradle.org/distributions/gradle-4.1-all.zip</p>
  
  <p>Edit:- </p>
  
  <p>Tried clearing the cache by going to File > Invalidate Cache/Restart > Invalidate and Restart, but to no avail, as the error persists.</p>