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Is it possible to set the application icon badge on an iOS application to a negative integer? Seems that whenever I try to use -setApplicationIconBadgeNumber with a negative integer the badge icon is not being displayed at all.

We have a weather application and we would like it to present the temperature in the icon, as some other applications do it.

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我见过的一个天气应用程序在 -5 度时显示 1005，在 -10 度时显示 1010 等等，以在应用程序图标徽章中显示温度。正如其他人也评论的那样，既不能显示负数也不能显示零。

于 2013-09-09T15:29:49.130 回答