I have a local video (not one hosted on YouTube/Vimeo) as part of a Symbol. Since it's a local video and may take a while to load once the button to load it is clicked, I'd like to add a Preloader to either the video itself, or to the Symbol. It's easy enough to do this to the entire Stage, but I just want the Preloader to appear when the Symbol it's in is loaded onto the Stage. How do I do this?
You can do it using the "poster" attribute: HTML video poster Attribute
I assumed that you have one and only one video and you have a preloader within the images folder, so: