title: signed apk error [WifiManagerLeak]
body: <p>I can create debug apk. But when I try to generate a signed apk, I receive the following message:</p>
  
  <blockquote>
    <p>Error: The WIFI_SERVICE must be looked up on the Application
    context or memory will leak on devices &lt; Android N. Try changing  to
    .getApplicationContext()  [WifiManagerLeak]</p>
  </blockquote>