title: File was loaded in the wrong encoding:'UTF-8' in IntelliJ IDEA
body: <p>Before asking the question, I searched for a similar question on StackOverflow:</p>
  
  <p><a href="https://stackoverflow.com/questions/39932158/file-was-loaded-in-the-wrong-encoding-utf-8-in-android-studio">file was loaded in the wrong encoding: &#39;UTF-8&#39; in android studio</a></p>
  
  <p>But it did not give an explicit answer there.</p>
  
  <hr>
  
  <p>My issue is that the project is downloaded from the network, and it is an eclipse project, I open it with IntelliJ IDEA, and get this issue:</p>
  
  <p><a href="https://i.stack.imgur.com/eb8ck.jpg" rel="noreferrer"><img src="https://i.stack.imgur.com/eb8ck.jpg" alt="enter image description here"></a></p>