title: How to detect in TextInput height has reached 50%
body: <p>Is it possible to detect if your <code>Textinput</code> component's height has change and then trigger something. e.g:</p>
  <pre class="lang-js prettyprint-override"><code>useEffect(() =&gt; {
    //if the line heigh has reached 50%
    console.log('Input has reach 50%')
  }, []);
  
  &lt;TextInput styles={{maxHeight: '50%'}} multiline={true} /&gt;
  </code></pre>
  <p>I don't know where to begin... please help</p>