Home > Adobe Flash, Adobe Flex, Xuland > Adding a Facebook “like” button to a Flash/Flex Application

Adding a Facebook “like” button to a Flash/Flex Application

Mission: Add a Facebook “like” button to my experimental Flex social networking site Xuland.

I initially thought, “Boy this must be a piece of cake. Surely thousands of other developers have already figured this out!”. Boy was I wrong.

The best example I could find on this specific topic was http://labs.byhook.com/2010/08/03/facebook-like-button-in-flash/. Spend a good half hour digesting the contents of that blog posting and you’ll be ready to scratch the idea altogether.

I wanted a simple implementation that I could knock out in less than an hour. I figured why not just use an iframe!

Here’s the steps:

First, go to http://developers.facebook.com/docs/reference/plugins/like

Fill out the form to get your special iframe code

Next, open up your Flex application’s HTML wrapper (e.g. index.template.html) in FlexBuilder

Copy and paste the iframe code (from above) into the HTML template. I put mine right under the <div id=”flashContent”> section.

<div id="flashContent" style="z-index:-1">
     src="<< insert your custom facebook like URL here >>" 
     scrolling="no" frameborder="0" 
     style="border:none; overflow:hidden; width:100px; height:21px; z-index:99; position: absolute; top: 0px; left: 100;" 

Notice the iframe style declaration. Make sure z-index=99, then you can use CSS to position your like button exactly where you want it.

Also notice the flashContent div style declaration. Set its z-index = -1.

In the SWFObject section, add a param for “wmode”. Set it to “transparent”.

var params = {};
params.wmode = "transparent";
  "${swf}.swf", "flashContent", 
  "${width}", "${height}", 
  swfVersionStr, xiSwfUrlStr, 
  flashvars, params, attributes);

In the body tag, set the z-index=0

<body style="position:relative;left:0px;top:0px;z-index:0;">

That’s it!

The result should look something like this:

Good luck with your implementation!

To read more about Xuland, visit my other blog post regarding this application.


Categories: Adobe Flash, Adobe Flex, Xuland Tags:
  1. June 14th, 2011 at 21:03 | #1

    although iframe is the easiest solusion
    yes it is if all HTMLs of the project are completely in your control
    you cannot implement an iframe on ad-provider such as fourm, yahoo nor msn

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