Swift-删除推送通知徽章号码？ - Swift- Remove Push Notification Badge number?

问题：

I am trying to remove the icon badge in swift, but PFInstallation doesn't seem to work anymore.我正在尝试快速删除图标徽章，但 PFInstallation 似乎不再起作用。 How do I do this?我该怎么做呢？

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解决方案：

参考： https://stackoom.com/en/question/1sW0I