title: How to check permission change from the settings when app is open?
body: <p>In android permission check I am checking for camera permission in <strong>onResume()</strong> but when -</p>
  <ol>
  <li><p>User allow the permission</p>
  </li>
  <li><p>App is using the camera</p>
  </li>
  <li><p>User don't close the app and go to settings screen from notification panel</p>
  </li>
  <li><p>Disable the camera permission of that app</p>
  <p>When user comes back app is not asking for camera permission.</p>
  </li>
  </ol>