Swift-刪除推送通知徽章號碼？ - Swift- Remove Push Notification Badge number?

問題：

I am trying to remove the icon badge in swift, but PFInstallation doesn't seem to work anymore.我正在嘗試快速刪除圖標徽章，但 PFInstallation 似乎不再起作用。 How do I do this?我該怎麼做呢？

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解決方案：

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