A quick example of passing parameters from HTML/Javascript dynamically to Flex/Action Script or Flash in some cases using flashvars. You can use it with any Flash based platform. Check out the demo first and then I will explain:
Demo Link: http://jbk404.site50.net/flex/htmlparameter/
What we have here is that there are two buttons in an HTML page. Each button when clicked plays a different video in the same Flex Video Player (which runs in a .swf file and uses the Flash plugin to render). So what I am doing is that on click of the button I call a javascript function wherein I pass the corresponding video URL as parameter to the Flex Video Player (which is a .swf file) using flashvars. This is how I am doing it,
<param name="flashvars" value="videoURL=videos/video' + target_obj.id + '.flv" />
target_obj.id is the id of the button clicked. The parameter is passed as a key-value pair. videoURL holds the dynamic URL of the video. There is one flash file (.swf) which reads the parameter passed in flashvars and then plays the video. This way multiple videos play in the same player. I have named the videos as video1.flv and video2.flv which are inside videos folder under my root directory. Note that Flex/Flash video player runs a .flv format. When you look at the demo you might notice that a popup shows the video URL inside the player. That’s where it is getting the URL as parameter from HTML side. Also the video is auto played. Continue reading →
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