WebView displays a blank due to a certificate problem

Problem phenomenon

webview A blank , And all kinds of browsers can access this url. However, it will prompt the problem that the certificate is unsafe

Solutions

Because whether it's mobile access , Or browser access , Will prompt the certificate problem , and
webview There is one setWebViewClient(new MyWebViewCliecnt()) Method , When webview When there is a certificate problem with the loaded web page , It's going to come back MyWebViewCliecnt Of

@Override
public void onReceivedSslError(final WebView view, final SslErrorHandler handler, SslError error) {
    
}

Method . At the same time, it will be executed by default handler.cancel() Method , Pictured

WebViewClient After calling the above SslErrorHandler Of cancel After method , Will call back soon onPageFinished Method , No callback onReceivedError , Therefore, the custom loading error page will not be displayed , The result is a blank .

And what we have to do , Is to rewrite onReceivedSslError Method , And implement handler.proceed(), Indicates that if the certificate is incorrect , Or choose to enter the web page
Pictured

So you can get into .

Reference article