Adobe Air - 发布为 2.0 或 2.5
如果我为 2.0 或 2.5 播放器发布 Adobe Air 应用程序，会有什么区别吗？我应该考虑什么优点或缺点吗？
谢谢。 乌里
Does it make any difference if I publish an Adobe Air app for the 2.0 or 2.5 player? Are there any pros or cons I should consider?
Thanks.
Uli
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您应该考虑的主要优点是 AIR 2.5 中提供的 Windows 中的 H.264 硬件加速。这是您的用户将获得的唯一真正的自动优势。对于编译器和运行时来说，可能还有其他潜在的性能优势，但用户可能不会注意到它们。
AIR 2.5 还有其他优点，例如 StageWebView 和 CSS 字体，但除非您充分利用这些优点，否则您的目标播放器并不重要。
针对较新的 AIR 播放器的唯一“缺点”是您的用户群尚未升级到最新的 AIR 运行时环境。他们将被提示（并强制）升级其 AIR 实例才能运行您的应用程序。鉴于 AIR 已经是 3.1 版本，并且它一直提示用户升级，这可能不是问题。我唯一能看到此问题的情况是，如果您处于企业环境中，并且 AIR 作为用户系统上的托管包，并且用户无法自行升级。如果是这种情况，请咨询系统管理员。
The main pro you should consider is H.264 hardware acceleration in Windows available in AIR 2.5. This is the only real automatic advantage your users would gain. There may be other under-the-hood performance benefits - both for the compiler and runtime, but they probably won't be noticeable by the user.
There are other advantages to AIR 2.5, such as StageWebView, and CSS Fonts, but unless you take advantage of those, it won't matter which player you target.
The only 'con' to targeting the newer AIR player is if your user base has not upgraded to the latest AIR runtime environment. They will be prompted (and forced) to upgrade their AIR instance in order to run your app. Given that AIR is already at version 3.1, and it prompts users to upgrade all the time, this likely is not a problem. The only time I could see this being an issue is if you are in a corporate environment with AIR as a managed package on users' systems, and they are unable to upgrade themselves. Check with a sysadmin if this is the case.