Create a new ActionScript project in Visual Studio Code that targets Adobe Flash Player - BowlerHatLLC/vscode-as3mxml Wiki

🚨 Attention: Web browsers no longer support the Adobe Flash Player plugin, and Adobe has discontinued development of Flash Player. For more details, see Adobe Flash Player End Of Life. The document below is kept for educational purposes.

Learn to set up a project in Visual Studio Code to create an application that runs on Adobe Flash Player.

Development Setup

  1. Install the ActionScript & MXML extension for Visual Studio Code.

  2. Create a new directory for your project, and open it in Visual Studio Code.

    To open a directory, select the File menu → Open... or click Open Folder button in the Explorer pane.

  3. Choose an ActionScript SDK for your workspace.

  4. Create a file named asconfig.json in the root directory of your project, and add the following content:

    	"compilerOptions": {
    		"source-path": [
    		"output": "bin/Main.swf"
    	"mainClass": "Main"
  5. Create directory named src.

  6. Inside src, create a file named, and add the following code:

    	import flash.display.Sprite;
    	import flash.text.TextField;
    	public class Main extends Sprite
    		public function Main()
    			var tf:TextField = new TextField();
    			tf.text = "Hello World";

Next Steps