title: Couldn't update a file in android app assets folder
body: <p>I want to update a file in assets folder when the user click a button.</p>
  
  <p>my listener is a classic</p>
  
  <pre><code>OnClickListener myUpdateListener = new OnClickListener() {
      public void onClick(View v) {
          updateAllParams();
      }
  };
  </code></pre>
  
  <p>The new file is to an url in this form </p>
  
  <p><code>http://sample.test/android/params.dtf</code></p>
  
  <p>the file in <em>assets</em> folder is </p>
  
  <pre><code>params.dtf
  </code></pre>
  
  <p>But I don't know how to do replace this file with the new version on the site.</p>