title: How to use an Android Handler to update a TextView in the UI Thread?
body: <p>I want to update a <code>TextView</code> from an asynchronous task in an Android application. What is the simplest way to do this with a <code>Handler</code>?</p>
  
  <p>There are some similar questions, such as this: <a href="https://stackoverflow.com/questions/11658754/android-update-textview-with-handler">Android update TextView with Handler</a>, but the example is complicated and does not appear to be answered.</p>