ios - 如何在午夜不触发 applicationSignificantTimeChange

Question

如何在午夜不触发 applicationSignificantTimeChange，但在所有其他情况下使用它？

这按预期工作，但如何在午夜或之间(23:30 至 00:30)停止它？

func applicationSignificantTimeChange(_ application: UIApplication) {
    NSLog("Application Significant Time Change")
    Manager.setupTime()
}

Answer 1

您无法阻止 applicationSignificantTimeChange 在午夜触发。

From documentation:

Examples of significant time changes include the arrival of midnight, an update of the time by a carrier, and the change to daylight savings time.

解决方法:

您可以像下面这样输入 if 条件来检查当前时间是否在 23:30 - 00:30 之间并忽略它。

func applicationSignificantTimeChange(_ application: UIApplication) {
    let currentTime = Date()
    let midnight = Calendar.current.startOfDay(for: currentTime)
    let thirtyMinsBeforeMidnight = midnight.addingTimeInterval(-30*60)
    let thirtyMinutesAfterMidnight = midnight.addingTimeInterval(30*60)

    if currentTime.timeIntervalSince(thirtyMinsBeforeMidnight) >= 0 && currentTime.timeIntervalSince(thirtyMinutesAfterMidnight) <= 0 {
        // time between 23:30 - 00:30
    }
    else {
        // time is not between 23:30 - 00:30
        // do your stuff
        NSLog("Application Significant Time Change")
        Manager.setupTime()
    }
}