Your application needs icons of appropriate sizes for different device screen

It will be enough for you to prepare only 1 icon.

Prepare 1 piece 512 pixel x 512 pixel icon.

After creating the icon, go to App Icon Generator and create your icons using the online tool here.

Select the icon and press the "Generate App Icons" button.

On the page new page, you will see the link "Click here to Download"

Click the link and download the icons. 

  • Extract the icons
  • Go to : Media Manager : administrator/index.php?option=com_medi
  • Create folder : iconset,
  • and after upload icons

Your icons are ready to use.

PWA Plugin will recognize them automatically.