in-app browser issue

Reference:

  1. https://blog.user.today/inapp-browser-webview-problem/
  2. https://www.wfublog.com/2018/06/mobile-detect-webview-fb-line-in-app.html

Package to detect in-app browser:

https://github.com/f2etw/detect-inapp

Code to detect in-app browser: