title: How to fix net::ERR_UNKNOWN_URL_SCHEME on Sketchware webview app?
body: <p>I have an android webview app,  build with sketchware.  But,  when I attempt to open mail:to link,  whatsapp link,  etc,  it returns net::ERR_UNKNOWN_URL_SCHEME. </p>
  
  <p>I have search for the solution for this problem online,  but all of them requires Android studio. </p>
  
  <p>Can I have a 'sketchware'  solution for this problem please? </p>