title: Missing Android platform(s) detected
body: <p>After trying to gradle sync... it fails and says in the messages dialog box</p>
  
  <pre><code>Missing Android platform(s) detected: 'android-26' Install missing platform(s) 
  and sync project
  </code></pre>
  
  <p>when im clicking <code>Install missing platform(s) and sync project</code> a progress bar window pops up which says <code>Downloading</code> and when reaching about half way it just closes and nothing happens
  ive installed api 26 from the settings and tried uninstall and install again.</p>