How do I clear Cache in WebViewer?

Hello I fiddle with the WebViewer and it works well, I access my HTML Page via HTTP://
but I have the problem when I change the html Page, Webviewer still uses the cached one.
My question how to empty the Webviewer Cache.

Have you tried these, or combinations thereof ?


Maybe @ZenForAll is using latest version of android because a lot of methods of webview and webviewclient class have been deprecated.

Well using this html page on an external server:

<!DOCTYPE html>
<meta name=“viewport” content=“width=device-width, initial-scale=1.0”>
	document.write(new Date());

which displays the time,
the reload blocks works just fine. I guess we need to see the html being used, and the changes being made ?

Yes, that's necessary.

Thank you for you answers at least i learnt a new word deprecated vknow360 Thank you for this. I don't use the latest Version. But don't ask my Version in the moment I'm charging That is my header nothing special.

<!DOCTYPE html>
    <title>ESP32 Power Meter</title>

	<link rel="stylesheet" href="stylesheet.css">
 <script type="text/javascript" src=""></script>
 <script src=""></script>
  	<!--<meta http-equiv="refresh" content="30">  -->
   	<div class="Gauge Liste"Das ist der anfang>
			<li id="idPower1"></li>
			<li id="idPower2"> </li>
  <div id="MyTitle">
	<b> MMK Power Meter -;2021 </b> </div>

My Android Version is 9PKQ1.180904.001
I could do an update.

I found a work around I just change the Name of the HTML to get the new Version not Perfect.
I even empty the Cache of my Smartphone did not work.
Have a nice weekend

You do not show the script that fetches the data and displays the chart....

You are right TIMAI2
I do it this way I use a procedure

You could put a timer (javascript setInterval) in your html script to check the webviewstring, if it is different from existing, then refresh the chart with new data. I believe this is your issue, because the html/script will not check the webviewstring unless the page is loaded. I have some code somewhere, used to resize text or something similar, I will see if I can find it.

Here you are, you will have to rework it for your specific needs, but you should get the idea: