Sources: https://developer.android.com/develop/ui/views/layout/webapps/webview https://stackoverflow.com/questions/39657311/using-javascript-bridge-in-android https://labs.withsecure.com/publications/building-android-javajavascript-bridges https://web.ecs.syr.edu/~wedu/Research/paper/webview_acsac2011.pdf