WKWebView how to work with the custom URL scheme in iOS 10.

We provide an option for the user to upload a photo from the phone into the WebView.

I used WKSchemeHandler & WKWebView for iOS11.

But how can use the WKWebView to work with the custom URL scheme for iOS10?
WKWebView how to work with the custom URL scheme in iOS 10.
 
 
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