title: Why doesn't Android Studio recognize Base64.encodeBase64?
body: <p>I'm trying run the following code, however I cannot use <code>encodeBase64()</code>.<br>
  I've already tried to import such libraries using <kbd>Alt + Enter</kbd>.</p>
  
  <p><img src="https://i.stack.imgur.com/Lux2p.png" alt="enter image description here"></p>
  
  <p>How can I make it work?</p>