UILocalNotification 没有做任何事情 [英] UILocalNotification not doing anything

问题描述

这似乎是一个愚蠢的问题，但这是我第一次使用 UILocalNotification，我无法让它快速测试.它什么都不做.

This may seem like a silly question, but this is my first time using UILocalNotification and I can't get it to work for a quick test. It just doesn't do anything.

1.我在 AppDelegate 中创建了 2 个变量

let today = NSDate()
let notification: UILocalNotification = UILocalNotification()

2.然后在applicationDidEnterBackground函数中，我有以下

    notification.fireDate = today.dateByAddingTimeInterval(10)
    notification.alertTitle = "My App Test"
    notification.alertBody = "Testing Notification \n :)"
    UIApplication.sharedApplication().presentLocalNotificationNow(notification)
    UIApplication.sharedApplication().scheduleLocalNotification(notification)

3.还将这个添加到 applicationDidBecomeActive 函数

UIApplication.sharedApplication().cancelAllLocalNotifications()

推荐答案

再次阅读文档后，我意识到我错过了关键的第一步，即首先注册我的应用程序以接收用户通知.Apple 文档是用 OBJ-C 编写的，但我能够弄清楚以便将其转换为 swift.这就是我所做的:

After reading the documentation again, I realized I missed a crucial first step which is to register my App first for user notifications. The Apple doc was written in OBJ-C, but I was able to figure it out in order to convert it to swift. This is what I did:

1.我将此添加到我的 AppDelegate didFinishLaunchingWithOptions 函数中，现在它可以工作了

var types: UIUserNotificationType = UIUserNotificationType()
types.insert(UIUserNotificationType.Alert)
types.insert(UIUserNotificationType.Badge)

let settings: UIUserNotificationSettings = UIUserNotificationSettings(forTypes: types, categories: nil)

UIApplication.sharedApplication().registerUserNotificationSettings(settings)

这篇关于UILocalNotification 没有做任何事情的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！