Liferay Vaadin and Invient Chart

Hi,

I want to use invient chart in my liferay/vaadin portlet. The forum is full of threads of invient charts but there is no tut or something like this how I can integrate Invient chart in my liferay/vaadin portlet. Can you please tell me how I can integrate “invient” in my portlet.

I downloaded the addon an put it in WebInf/ lib and then I compiled it with the vaadin control panel.

What are the next steps to get invient in my portlet it running ??

Ich habe mal die Demo aus dem invient Ordner probiert: Leider werden im Fenster keine Charts angezeigt. Woran kann das liegen:
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