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当收到推送通知时，应用程序可以根据用户词典决定显示警报吗？

发布于 2024-12-05 04:06:13 字数 453 浏览 1 评论 0原文

当您收到推送通知时，是否可以让您的应用程序决定是否显示 AlertView 来指示您收到了推送通知？

或者操作系统只是自动控制这一点而不让您对此有任何控制权？

我希望收到一些发送给我的应用程序的通知，然后让我的应用程序根据 didReceiveRemoteNotification，是否显示警报或某些用户可见的通知？这有可能以任何方式吗？

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迷雾森÷林ヴ 2024-12-12 04:06:13

您无法控制通过应用程序推送的 UIAlertView 的外观。但服务器可能可以：尝试发送不带警报信息的推送通知。

请告诉我它是如何工作的。
泰

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偏爱自由 2024-12-12 04:06:13

距离这个问题提出已有10年了，还有17天。现在，从 iOS 10.0 开始，您就可以了。

It's 17 days until it's 10 years since this question was asked. Now, you can, since iOS 10.0`. ????

I just wrote an answer to how to get the userInfo in other delegate methods. In your specific case, you want to implement the userNotificationCenter(_:willPresent:withCompletionHandler:).

Get the userInfo dictionary in that delegate method by using notification.request.content.userInfo. If you set a key/value such as foregroundNotification: true in the data payload passed to APNs, your device can see that here.

All you have to do is:

let userInfo = notification.request.content.userInfo
if let foregroundNotification = userInfo["foregroundNotification"] as? Bool, foregroundNotification == true {
    completionHandler([.banner])
}

More advanced handling (sound, supporting iOS 10+, including deprecations)

Bear in mind alert has been deprecated in iOS 14, and you may want to add iOS version checks, sound, list.

func userNotificationCenter(_ center: UNUserNotificationCenter, willPresent notification: UNNotification, withCompletionHandler completionHandler: @escaping (UNNotificationPresentationOptions) -> Void) {
    var options: UNNotificationPresentationOptions = []
    let userInfo = notification.request.content.userInfo
    
    if let foregroundSound = userInfo["foregroundSound"] as? Bool, foregroundSound == true {
        options.insert(.sound)
    }
    
    if let foregroundBadge = userInfo["foregroundBadge"] as? Bool, foregroundBadge == true {
        options.insert(.badge)
    }
    
    if let foregroundList = userInfo["foregroundList"] as? Bool, foregroundList == true {
        if #available(iOS 14.0, *) {
            options.insert(.list)
        }
    }
    
    if let foregroundNotification = userInfo["foregroundNotification"] as? Bool, foregroundNotification == true {
        if #available(iOS 14.0, *) {
            options.insert(.banner)
        } else {
            options.insert(.alert)
        }
    }
    
    completionHandler(options)
}

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