Open Facebook Place's Page from Android App -

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i'm trying open app page on facebook users can it

i followed this solution, can't seem find way access pages through facebook's scheme mechanism, using solution code, page id open page in facebook's android app, button missing, , subscribing page fails.

found answer: 

    public static intent getopenfacebookintent(context context) {         try {         //context.getpackagemanager().getpackageinfo("com.facebook.katana", 0);         return new intent(intent.action_view, uri.parse("fb://page/576525422362966"));        } catch (exception e) {         return new intent(intent.action_view, uri.parse("https://www.facebook.com/576525422362966"));        }     }

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