作者:风语飘散 | 来源:互联网 | 2023-02-13 16:53
尝试使用Firebase注册远程通知,但是在实现以下代码时,我收到错误:
UNUserNotificationCenter仅适用于iOS 10.0或更高版本
func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {
// Override point for customization after application launch.
var soundID: SystemSoundID = 0
let soundFile: String = NSBundle.mainBundle().pathForResource("symphony", ofType: "wav")!
let soundURL: NSURL = NSURL(fileURLWithPath: soundFile)
AudioServicesCreateSystemSoundID(soundURL, &soundID)
AudioServicesPlayAlertSound(soundID)
Fabric.with([Twitter.self])
//Firebase configuration
FIRApp.configure()
//Resource code from stackoverflow to create UNUserNotificationCenter
let center = UNUserNotificationCenter.current()
center.requestAuthorization(options:[.badge, .alert, .sound]) { (granted, error) in
// Enable or disable features based on authorization.
}
application.registerForRemoteNotifications()
return true
}
通过简单的"修复它"不能通过基于操作系统版本号创建if语句来解决我的问题.对于UserNotifications框架,我应该做什么或想到这个解决方案?
1> Pierce..:
首先,使用new UNUserNotificationCenter
,您只想在用户授予权限时注册远程通知.您的代码设置方式,无论是否允许,您都尝试这样做,这可能是其中一个原因.你应该做这样的事情:
import UserNotifications
...
func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
UNUserNotificationCenter.current().requestAuthorization(options:[.badge, .alert, .sound]) { (granted, error) in
if granted {
UIApplication.shared.registerForRemoteNotifications()
}
}
return true
}
如果您需要检查用户是否具有低于iOS 10.0的操作系统 - 您可以尝试这样的操作来包含旧系统:
if #available(iOS 10.0, *) {
UNUserNotificationCenter.current().requestAuthorization(options:[.badge, .alert, .sound]) { (granted, error) in
if granted {
UIApplication.shared.registerForRemoteNotifications()
}
}
} else {
application.registerUserNotificationSettings(UIUserNotificationSettings(forTypes: UIUserNotificationType.Sound | UIUserNotificationType.Alert |
UIUserNotificationType.Badge, categories: nil))
}
让我知道这是否有效,如果这是你想要完成的.如果没有,我会删除我的答案.
如果您提到需要为我这样的傻瓜导入UserNotifications,可能会有所帮助.