title: No speakable text present at Android Studio
body: <p>When adding a field for entering a number(Number widget), the error &quot;No speakable text present at Android Studio&quot; takes off</p>
  <p><a href="https://i.stack.imgur.com/oviVm.png" rel="nofollow noreferrer">enter image description here</a></p>
  <p>content_main.xml: <a href="https://i.stack.imgur.com/ClqZu.png" rel="nofollow noreferrer">enter image description here</a>
  activity_main.xml: <a href="https://i.stack.imgur.com/H2hxa.png" rel="nofollow noreferrer">enter image description here</a></p>