title: Code generated by Android Studio doesn't shows variable named correctly
body: <p>After installed a new development environment the code is generated by Android Studio as it doesn't knows about the source code:</p>
  
  <p><a href="https://i.stack.imgur.com/Ht2iD.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/Ht2iD.png" alt="enter image description here"></a></p>
  
  <p><a href="https://i.stack.imgur.com/N8SWO.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/N8SWO.png" alt="enter image description here"></a></p>
  
  <p>See those p0, p1 named variables. </p>
  
  <p>The sources are installed:</p>
  
  <p><a href="https://i.stack.imgur.com/HqUQF.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/HqUQF.png" alt="enter image description here"></a></p>
  
  <p>But when I enter some Sdk classes it show a button to Download the sources, but when I press that button, nothing happens. </p>
  
  <p><a href="https://i.stack.imgur.com/UKUPJ.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/UKUPJ.png" alt="enter image description here"></a></p>
  
  <p>Android Studio 3.2.1
  Build #AI-181.5540.7.32.5056338, built on October 8, 2018
  JRE: 1.8.0_152-release-1136-b06 amd64
  JVM: OpenJDK 64-Bit Server VM by JetBrains s.r.o
  Linux 4.15.0-38-generic</p>