Here is some info about the Android WebView:
https://developer.chrome.com/multidevice/webview/overview
-- Thomas
On Tuesday, August 26, 2014 4:02:31 PM UTC-7, Baptiste Le Goff wrote:
>
> Hello Polymerers,
>
> I'm actually building a web app using custom Polymer elements but I
> encountered a serious problem.
>
> I want this app to run on an Android 4.4 WebView, but I experienced some
> issues with the shadow-dom when testing the app on the WebView, although it
> works perfectly fine on Chrome (Android and Desktop). This problem occurs
> when I try to access a shadowRoot element from CSS (with ::shadow or
> /deep/) or from pure js.
>
> Here is a simple illustration of my problem :
> ------------------------------
>
> <!-- custom-elt.html --><link rel="import"
> href="../bower_components/polymer/polymer.html">
> <polymer-element name="custom-elt">
>
> <template>
> <div id="elt">some content</div>
> </template>
>
> <script>
> Polymer('custom-elt',{
> getElt: function(){
> return this.shadowRoot.getElementById('elt');
> }
> });
> </script>
>
> </polymer-element>
>
> ------------------------------
>
> // script.js
> window.addEventListener('polymer-ready',function(){
> var e = document.getElementsByTagName('custom-elt')[0];
> alert(e.getElt().innerHTML);});
>
> ------------------------------
>
> Works perfectly on Chrome, but not in the WebView. According to
> caniuse.com, shadow-dom is supported by Android 4.4 browser (which is
> used by the WebView right ?) with the 'webkit' prefix (
> http://caniuse.com/#feat=shadowdom), but I didn't find a way to use it
> with the prefix.
>
> Any solution ?
>
> Thanks
>
> Baptiste
>
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