MY app is not opened inside facebook its goes to my host [closed]

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center. Closed 11 years ago.

Hello my app is开发者_JAVA技巧 not opened inside facebook canvas. if I click on my app it just opens my app's profile page.. how can I do this?

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When you create an application you have to define its "App Namespace" in the developers app. You can read more here. Your application will get a url like this : http://apps.facebook.com/{your_app_namespace} Once the user gets to that page - facebook will load your app inside an iframe.