Android WebView, view.capturePicture().getHeight() is 0 -


i'm working on android 4.0. have webview want capture screen. override webviewclient onpagefinished folow:

@override public void onpagefinished(webview view, string url) {                 picture picture = view.capturepicture(); toast.maketext(finplan.this, "picture height "+picture.getheight()+ " url "+url, toast.length_long).show();

in procedure call loadurl():

mywebview.loadurl("http://www.google.com");  // 1 works fine , picture.getheight() > 0  mywebview.loadurl("file:///android_asset/test.html");  // 1 works, picture.getheight() retrieved in onpagefinished 0

test.html simple html file, noticed later loadurl() http// works fine doesn't works on file://. in ???

try way

webview.setwebviewclient(new webviewclient() {      @override     public void onpagefinished(webview view, string url) {          picture picture = view.capturepicture();     }  }); webview.setpicturelistener(new picturelistener() {      public void onnewpicture(webview view, picture picture) {         if (picture != null) {             toast.maketext(mainactivity.this,                     "picture height " + picture.getheight(),                     toast.length_long).show();         }     } });

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