您必须在第36版上更新您的webview控件。 更好的是使用Android的铬框架。

“的Android 4.4(API级别19)推出的WebView的新版本是基于铬”

公共查看onCreateView(LayoutInflater吹气，ViewGroup中容器， 捆绑savedInstanceState) {

View rootView = inflater.inflate(R.layout.fragment_main, container, false);

mWebRTCWebView = (WebView) rootView.findViewById(R.id.fragment_main_webview);

setUpWebViewDefaults(mWebRTCWebView);

mWebRTCWebView.clearCache(true);

//Loading page

mWebRTCWebView.loadUrl(main_url_address);

mWebRTCWebView.setWebChromeClient(new WebChromeClient() {

@Override

public void onPermissionRequest(final PermissionRequest request) {

Log.d(TAG, "onPermissionRequest");

getActivity().runOnUiThread(new Runnable() {

@TargetApi(Build.VERSION_CODES.LOLLIPOP)

@Override

public void run() {

request.grant(request.getResources());

}

});

}

});

return rootView;

}

@TargetApi(Build.VERSION_CODES.LOLLIPOP)

private void setUpWebViewDefaults(WebView webView) {

WebSettings settings = webView.getSettings();

// Enable Javascript

settings.setJavaScriptEnabled(true);

// Use WideViewport and Zoom out if there is no viewport defined

settings.setUseWideViewPort(true);

settings.setLoadWithOverviewMode(true);

// Enable pinch to zoom without the zoom buttons

settings.setBuiltInZoomControls(true);

// Allow use of Local Storage

settings.setDomStorageEnabled(true);

if(Build.VERSION.SDK_INT > Build.VERSION_CODES.HONEYCOMB) {

// Hide the zoom controls for HONEYCOMB+

settings.setDisplayZoomControls(false);

}

// Enable remote debugging via chrome://inspect

if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {

WebView.setWebContentsDebuggingEnabled(true);

}

webView.setWebViewClient(new WebViewClient());

// AppRTC requires third party cookies to work

CookieManager cookieManager = CookieManager.getInstance();

cookieManager.setAcceptThirdPartyCookies(mWebRTCWebView, true);

settings.setUserAgentString("mobile chrome android webgl");

//JS INTERFACE

// mWebRTCWebView.addJavascriptInterface(new JS_INTERFACE(getContext()), "android");

}