flash 9 flash 9 速度降低）

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一、基本变化

1、采用最新的 ActionScript 3.0 语言，引出了更好的编程结构，语法简洁更符合标准，性能有了极大提升，让程序的运行变得更加流畅。

2、使用 XMLList 类实现动态 XML 数据的解析，大大简化了 XML 数据结构的操作，方便开发者开发与 XML 数据交互的应用程序。

3、支持 Flash CS3 和 Flex Builder 整合的新的开发工具 Flex Builder，更加方便的进行 flash 的开发。

二、视频功能

1、支持 Adobe FLV 高压缩格式，视频文件可以分割下载，可以节省下载流量。

2、支持即播即发的音视频流技术，可以完成从编码传输播放一体化。

3、针对 Flash Video 支持高质量的视频编码，可以创建和编辑视频，让用户体验更加棒。

三、2D 动画

1、3D 游戏，支持活跃的 2D 动画编程，采用简单的贴图技术对模型进行定位调整，极大的提升了游戏层次和表现效果。

2、支持 RTMP 协议，网络数据可以通过流媒体传输，实时播放及录制，极大提升带宽压力。3、可利用三维模型空间，显得无限空间下的扭曲动画，让游戏更宏大气势磅礴。

四、支持新的 UI 显示器

1、支持新的 UISprite 显示对象，可以完成几何图像的优化拼图，图像过度变换，拉伸及乱切变换等复杂动作。

2、采用新的 GUI 架构，采用开源类库，便于编写复杂的 UI 特效，改变页面整体风格，并支持在线更新 UI 显示器。

五、稳定性改善

1、支持垃圾收集，完成对内存的管理，避免可能的内存泄漏，避免出现崩溃等问题。

2、采用新的模型，采用宏观层次模型，更加清晰的描述内存的分配。

3、在 flash 9.0 中，引入了新的核心内存，可以实现 flash 运行所需要的最小内存，节省内存空间，开发者也不必担心内存被浪费。

1. Flash 9 is the ninth version of Adobe Flash Player, a piece of browser software that allows users to view embedded multimedia files, including audio, video and interactive elements. It is often used by web developers to create dynamic websites, page animations, and interactive multimedia products.

2. For the end-user, Adobe Flash Player 9 is fairly easy to set up and use.To download and install Adobe Flash Player 9, simply go to the Adobe website and follow the instructions displayed there. Once installed, Flash Player 9 will automatically detect new Flash content when a website is loaded. There is no need to launch the software separately.

3. Because Flash Player 9 is a browser extension, users must have an Internet browser and an active Internet connection in order to access the Flash content. It is also important that the user has a computer that meets the system requirements necessary to run Flash Player 9.

4. After installation, Flash Player 9 can be used to access Flash content, including videos, games and applications. All websites that contain the Flash content will be fully supported. It is important to keep in mind that old versions of Flash may not work with the latest Flash update.

5. Flash has come a long way in terms of delivering high quality audio and visuals. Flash 9 is capable of producing stunning images and sounds. It also supports streaming video and improved memory management, making it a powerful tool for web developers. Additionally, Flash 9 features a new 3D engine, allowing developers to create 3D animations and applications.

6. To make sure users stay up-to-date, Adobe will release security updates for the software periodically. It is important that users install these updates when they become available, as they are critical for safeguarding systems against malicious viruses, malware, and hackers. It is also recommended that users uninstall any versions of Flash that do not work properly, as they can cause instability in the system.

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