Adobe AIR now supports background applications and system tray notifications, allowing the app to run in the background. Among its other features are.

Adobe AIR现在支持后台应用和系统托盘通知，允许程序在后台运行。

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In notification Center you can set up notifications for any app that supports it as well as include snazzy weather and stock widgets.

在统治中心里你能设置所有应用的推送，同样也包括天气和股票的最新动态。

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This allows users to gain a better sense of which notifications are pending and if they are interesting enough to be read in detail within the associated app.

这让用户更加清楚地了解哪些通知待处理，以及如果他们对此足够感兴趣那么他们就会在相关应用中进行详细的阅读。

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In several instances, Facebook's in-app notifications were delayed and only appeared when I opened the Facebook app.

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The service can be employed across Android and iOS, implementing cloud data storage, leaderboards, achievements, multiplayer functionality, push notifications, and in-app purchases -- essentially exactly what OpenFeint once aimed to provide.

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Coupon app Yowza already lets users opt-in to receiving push notifications when their favorite merchants add new deals.

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