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Whenever possible, put your ActionScript® in a single location. Organizing your code in one place helps you edit projects more efficiently, because you can avoid searching in different places when you debug or modify the ActionScript. If you put code in a FLA file, put ActionScript on Frame 1 or Frame 2 in a layer called actions on the topmost layer in the Timeline. Alternatively, you might put all of your code in ActionScript files. Some Animate applications do not always put all code in a single place (in particular, ActionScript 2.0-based applications that use screens or behaviors).

You can usually put all your code in the same location (on a frame, or in ActionScript files), with the following advantages:

The suit alleged that Adobe has violated federal and state antitrust laws by abusing its dominant position in the professional vector graphic illustration software market and that Adobe has engaged in a series of exclusionary and anti-competitive acts and strategies designed to kill FreeHand, the dominant competitor to Adobe's Illustrator. The ActionScript XMP Library is intended to be used with Adobe Flash and Flex technology, to read, modify and create XMP packets in the RDF/XML format. Readers of this document should be familiar with the XMP Technology. ActionScript ® 3.0 Reference for the Adobe ® Flash ® Platform Home Show Packages and Classes List Hide Packages and Classes List Packages Classes What's New Index Appendixes.

  • Code is easy to find in a potentially complex sourcefile.

  • Code is easy to debug.

Avoid attaching ActionScript to objectsin a FLA file, even in simple SWF files. (Only ActionScript 1.0and 2.0. can be attached to objects; ActionScript 3.0 cannot.) Attachingcode to an object means that you select a movie clip, component,or button instance; open the Actions panel; and add ActionScript usingthe on() or onClipEvent() handlerfunctions.

Attaching ActionScript code to objects is strongly discouragedfor the following reasons:

  • It is difficult to locate, and the FLA files are difficultto edit.

  • It is difficult to debug.

  • ActionScript that is written on the timeline or in classesis more elegant and easier to build upon.

  • It encourages poor coding style.

  • The contrast between two styles of coding can be confusingto people learning ActionScript; it forces students and readersto learn different coding styles, additional syntax, and a poorand limited coding style.

    Avoid attaching ActionScript 2.0to a button called myButton_btn, which looks likethe following:

    on (release) { //do something }

    However, placing ActionScript 2.0 with the samepurpose on the timeline (which is encouraged), looks like the followingcode:

    myButton_btn.onRelease = function() { //do something };

    note: Different practices apply when using behaviors,which sometimes involves attaching code to objects.

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Use this article to work with ActionScript publish settings in Adobe Animate.

When you create a new FLA document, Animate (formerly Animate) asks you which version of ActionScript you want to use. You can change this setting if you decide later to write your scripts in a different version of ActionScript.

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Note:

ActionScript3.0 is not compatible with ActionScript 2.0. The ActionScript 2.0 compilercan compile all ActionScript 1.0 code, except for the slash (/)syntax used to indicate movie clip paths (for example, parentClip/testMC:varName= 'hello world').To avoid this problem, either rewrite your code using dot (.) notation,or select the ActionScript 1.0 compiler.

  1. Select the ActionScript version from the Script menu.

When you install Animate, several ActionScript-related configuration folders and files are placed on your system. If you modify these files to customize the authoring environment, back up the original files.

Contains all of the built-in ActionScript 2.0 classes (AS files). Typical paths to this folder are as follows:

  • Windows 7 and 8: Hard DiskProgram FilesAdobeAdobe AnimateCommonConfigurationActionScript 3.0ConfigurationClasses

  • Macintosh: Hard Disk/Users/user/Library/Application Support/Adobe/Animate/language/Configuration/Classes

    The Classes folder is organized into classes for Flash Player 10 and classes for Flash Player 11. For more information on the organization of this directory, see the Read Me file in the Classes folder.

Contains all of the global ActionScript include files. Locations are as follows:

Includes the configuration file for ActionScript code hinting. Separate files provide configuration for each version of ActionScript and Flash Lite, and for JavaScript. Locations are as follows:

The configuration file for ActionScript code color syntax highlighting. Locations are as follows:

When you use ActionScript 3.0, a SWF filemay have a top-level class associated with it. This class is calledthe document class. When the SWF is loaded by Flash Player, an instanceof this class is created to be the SWF file's top-level object.This object of a SWF file can be an instance of any custom classyou choose.

For example, a SWF file that implements a calendarcomponent can associate its top level with a Calendar class, withmethods and properties appropriate to a calendar component. Whenthe SWF is loaded, Flash Player creates an instance of this Calendarclass.

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Note:

You can also enter the Document Class informationin the Publish Settings dialog box.

Note:

Optionally, youcan also enter the name of the Class within a SWC file, linked in LibraryPath, that you want to set as the Document Class.

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To use an ActionScript class that you’ve defined, Animate must locate the external ActionScript files that contain the class definition. The list of folders in which Animate searches for class definitions is called the classpath for ActionScript 2.0 and the source path for ActionScript 3.0. Classpaths and source paths exist at the application (global) and document level. For more information about classpaths, see Classes in Learning ActionScript 2.0 in Adobe Animate or “Packages” in Learning ActionScript 3.0.

You can set the following ActionScript locations in Animate:

The Library path specifies the location of pre-compiled ActionScript code which resides in SWC files you have created. The FLA file that specifies this path loads every SWC file at the top level of this path and any other code resources that are specified within the SWC files themselves. If you use the Library path, be sure none of the compiled code in the SWC files is duplicated in uncompiled AS files in the Source path. The redundant code will slow down compilation of your SWF file.

You can specify more than one path for Animate to look in. Resources found in any of the paths specified will be used. When you add or modify a path, you can add absolute directory paths (for example, C:/my_classes) and relative directory paths (for example, ./my_classes or '.').

Note: ActionScript 2.0 is deprecated with Animate. For more information, see this article

To set the document-level classpath:

To set the document-level Library path, theprocedure is similar to setting the Source path:

You can use conditional compilation in ActionScript3.0 in the same way that it has been used in C++ and other programminglanguages. For example, you can use conditional compilation to turnblocks of code throughout a project on of off, such as code thatimplements a certain feature or code used for debugging.

Using config constants that you define in the publish settings,you can specify whether certain lines of ActionScript code are compiledor not. Each constant takes the following form:

CONFIG::SAMPLE_CONSTANT

In this form, CONFIG is the config namespaceand SAMPLE_CONSTANT is the constant that you willset to true or false in the publish settings. When the value ofthe constant is true, the line of code that follows the constantin ActionScript is compiled. When the value is false, the line ofcode that follows the constant is not compiled.

For example, the following function has 2 lines of code thatare compiled only if the value of the constant that precedes themis set to true in the publish settings:

To define a config constant using the Publish Settings dialogbox:

You can customizethe standard context menu and the text-editing context menu thatappears with SWF files in Flash Player 7 and later.

Note:

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Flash Player also displays an error context menu when a userright-clicks (Windows) or Control-clicks (Macintosh) in Flash Playerand no SWF file is loaded. You cannot customize this menu.

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Customize context menus in Flash Player 7 by using the ContextMenuand ContextMenuItem objects in ActionScript 2.0. For more informationon using these objects, see ContextMenu in the ActionScript 2.0 Language Reference.

Remember the following conditions when creating custom contextmenu items for Flash Player:

Configuration folders installed with Flash (CS5.5)

Flash places several configuration folders on your system when you install the application. The configuration folders organize files associated with the application into appropriate levels of user access. You may want to view the contents of these folders when you are working with ActionScript® or components. The configuration folders for Flash are as follows:

Becauseit is in the application level, non-administrative users do nothave write access to this directory. Typical paths to this folderare as follows:

This sibling to the application-levelconfiguration folder facilitates sharing configuration files amongusers of the same computer. Folders and files in the First Run folderare automatically copied to the user-level configuration folder. Anynew files placed in the First Run folder are copied to the user-levelconfiguration folder when you start the application.

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Typicalpaths to the First Run folder are as follows:

Foundin the user profile area, this folder is always writable by thecurrent user. Typical paths to this folder are as follows:

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Foundin the common user profile area, this folder is part of the standard Windowsand Macintosh operating system installations and is shared by allusers of a particular computer. The operating system makes availableto all users of the computer any files placed in this folder. Typicalpaths to this folder are as follows:

Forusers with restricted privileges on a workstation, typically, ina networked environment, only system administrators have administrativeaccess to workstations. All other users are given restricted access,which usually means that these users can’t write to application-levelfiles (such as the Program Files directory in Windows or the Applicationsfolder in Macintosh OS X).

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