在使用iOS推送時，出現下面錯誤：
**[1412:60b] You've implemented -[<UIApplicationDelegate> application:performFetchWithCompletionHandler:], but you still need to add "fetch" to the list of your supported UIBackgroundModes in your Info.plist. **[1412:60b] You've implemented -[<UIApplicationDelegate> application:didReceiveRemoteNotification:fetchCompletionHandler:], but you still need to add "remote-notification" to the list of your supported UIBackgroundModes in your Info.plist.
解決方法：PORJECT --> Capabilities --> Background Modes --> Background fetch & Remote notifications -->選中為on 狀態
我還遇到一種情況
You've implemented -[<UIApplicationDelegate> application:didReceiveRemoteNotification:fetchCompletionHandler:], but you still need to add "remote-notification" to the list of your supported UIBackgroundModes in your Info.plist.
破解方法還 和上面是一樣的，如圖
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