private class MyWebChromeClient extends WebChromeClient {
        @Override
        public boolean onJsAlert(WebView view, String url, String message, JsResult result) {
            return super.onJsAlert(view, url, message, result);
        }

        @Override
        public boolean onJsConfirm(WebView view, String url, String message, JsResult result) {
            return super.onJsConfirm(view, url, message, result);
        }

        @Override
        public boolean onJsPrompt(WebView view, String url, String message, String defaultValue, JsPromptResult result) {
            return super.onJsPrompt(view, url, message, defaultValue, result);
        }

        @Override
        public void onGeolocationPermissionsShowPrompt(String origin, GeolocationPermissions.Callback callback) {
            callback.invoke(origin, true, false);
            super.onGeolocationPermissionsShowPrompt(origin, callback);
        }

        public void openFileChooser(ValueCallback<Uri> uploadMsg, String acceptType) {
            if (mUploadMessage != null) return;
            Log.e("openFileChooser", "openFileChooser");
            mUploadMessage = uploadMsg;
            selectImage();
//               Intent i = new Intent(Intent.ACTION_GET_CONTENT);
//               i.addCategory(Intent.CATEGORY_OPENABLE);
//               i.setType("*/*");
//                   startActivityForResult( Intent.createChooser( i, "File Chooser" ), FILECHOOSER_RESULTCODE );
        }

        // For Android < 3.0
        public void openFileChooser(ValueCallback<Uri> uploadMsg) {
            openFileChooser(uploadMsg, "");
        }

        // For Android  > 4.1.1
        public void openFileChooser(ValueCallback<Uri> uploadMsg, String acceptType, String capture) {
            openFileChooser(uploadMsg, acceptType);
        }

    }