android - Can't load images and videos inside Webview with JavaScript enabled -


i'm loading data website webview in application.and need make video plays inside webview.my problem when don't use setjavascriptasenable images , video loads fine can't play video inside webview gives me following error

an error occurred. try watching video on youtube or enabe javascript.

enter image description here

however when use setjavascriptasenable(true) images , videos inside webview disappears following image.

enter image description here

here's code webview 

void setupwebview(final webview webview) {     if (build.version.sdk_int >= build.version_codes.kitkat) {         webview.getsettings().setlayoutalgorithm(websettings.layoutalgorithm.text_autosizing);     } else {         webview.getsettings().setlayoutalgorithm(websettings.layoutalgorithm.normal);     }      webview.setwebviewclient(new webviewclient() {         @override         public void onpagefinished(webview view, string url) {             // add padding html page             webview.loadurl("javascript:(function(){ document.body.style.paddingbottom = '30px'})();");         }           @override         public boolean shouldoverrideurlloading(webview view, string request) {             if (request.contains("http")) {// todo: 14/08/2017 use regs                 log.d("url", request);                 new checkifimageasynctask().execute(request);                 return true;             }             return false;         }          @requiresapi(api = build.version_codes.lollipop)         @override         public boolean shouldoverrideurlloading(webview view, webresourcerequest request) {             string url = request.geturl().tostring();             if (url.contains("http")) {                 new checkifimageasynctask().execute(url);                 return true;             }             return false;         }     });     // settings     webview.setwebchromeclient(new webchromeclient());     webview.getsettings().setpluginstate(websettings.pluginstate.on);     webview.getsettings().setpluginstate(websettings.pluginstate.on_demand);     webview.getsettings().setallowfileaccess(true);     webview.getsettings().setjavascriptenabled(true);     webview.getsettings().setdomstorageenabled(true);      string data = "<div>" + post.getcontent() + " </div>";     webview.loaddatawithbaseurl("file:///android_asset/", gethtmldata(data), "text/html", "utf-8", null); }    private class checkifimageasynctask extends asynctask<string, void, boolean> {      private string url;      @override     protected boolean doinbackground(string... strings) {         url = strings[0];         urlconnection connection = null;         boolean isimage = false;         try {             connection = new url(url).openconnection();             string contenttype = connection.getheaderfield("content-type");             isimage = contenttype.startswith("image/");          } catch (ioexception e) {             e.printstacktrace();         }         return isimage;     }      @override     protected void onpostexecute(boolean isimage) {         try {             if (isimage) {                 intent intent = new intent(postdetailsactivity.this, fullscreenimageactivity.class);                 intent.putextra("coverimage", url);                 startactivity(intent);             } else {                 intent intent = new intent(intent.action_view, uri.parse(url));                 startactivity(intent);             }         } catch (exception e) {             log.e("error", e.getmessage());             firebasecrash.report(new exception(e.getmessage()));         }      } }

i searched lot , can't figure out. appreciated. in advance.


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