title: How can I display log message in scrollable text-viewer in Xcode?
body: <p>I want to display Xcode console log after build an app scrollable text viewer (in app).</p>
  
  <p>How can I display Xcode console log message to an app?</p>
  
  <p><a href="https://i.stack.imgur.com/RJAKY.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/RJAKY.jpg" alt="enter image description here"></a><br>
  already I was created scrollable text-viewer but I've no idea how can setting up AppDelegate and print running script log in app</p>
  
  <p><a href="https://i.stack.imgur.com/qUg1w.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/qUg1w.jpg" alt="enter image description here"></a></p>
  
  <p>my script are based on terminal shell command. </p>
  
  <p>I would like to print shell command script are display in a scrollable text-viewer.</p>