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Facebook Cookbook by Jay Goldman

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Embedding Adobe Flash

Problem

I’ve made the most brilliant Adobe Flash piece ever created, and now I want to stick it in my FBML.

Solution

Use the fb:swf tag to embed Flash. The simplest form is:

<fb:swf swfsrc="http://www.youtube.com/v/12345"/>

Discussion

The FBML parser will automatically add a few Flash variables to your embed that you can then use in your Flash movie (these are similar to the parameters added by the fb:iframe tag—see Embedding an iFrame), shown in Table 6-6.

Table 6-6. Flashvars added by the FBML parser

Name

Type

Description

allowScriptAccess

string

This parameter is always set to “never” by Facebook, so that your embedded Flash movies can’t access any page-level scripts.

fb_sig_profile

int

If this Flash is being loaded in a Profile, this is the uid of the Profile owner. If it’s being loaded in a Canvas page, this will be blank.

fb_sig_time

int

A timestamp of when this signature information was generated.

fb_sig_user

int

The uid of the current user (a.k.a. loggedinuser).

fb_sig_session_key

string

The current Facebook session key.

fb_sig_expires

int

The session expiration time.

fb_sig_api_key

string

Your application’s API key, which the Flash movie will need if it’s going to make any API requests.

fb_sig_added

bool

Indicates whether the current user has added your application.

fb_sig

string

An MD5 hash of all the parameters with names that start with fb_sig_ plus your application’s secret key. See Enhancing security in your Flash later in this recipe for how to use this to enhance ...

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