title: How to hide unhide webview in android
body: <p>I develop application which has webview and imageview(as toogle button), if button clicked then webview will be closed, if button clicked again, then webview will be opened. Is it possible in android? see the circle red with up arrow which can hide and unhide above banner
  My reference like this application <img src="https://i.stack.imgur.com/oukww.jpg" alt="enter image description here"></p>