我正在实现一个警报,我从服务器收到 pushNotification,我收到完美的推送通知并且它在前台模式下工作正常但是当应用程序进入后台时它只收到推送通知但没有加载我想要的 View 加载
请检查下面的代码
func registerForPushNotifications(application: UIApplication) {
let notificationSettings = UIUserNotificationSettings(
forTypes: [.Badge, .Sound, .Alert], categories: nil)
application.registerUserNotificationSettings(notificationSettings)
}
此方法从 didFinishLaunchingWithOptions
调用
func application(application: UIApplication, didRegisterUserNotificationSettings notificationSettings: UIUserNotificationSettings) {
if notificationSettings.types != .None {
application.registerForRemoteNotifications()
}
}
func application(application: UIApplication, didRegisterForRemoteNotificationsWithDeviceToken deviceToken: NSData) {
let tokenChars = UnsafePointer<CChar>(deviceToken.bytes)
var tokenString = ""
for i in 0..<deviceToken.length {
tokenString += String(format: "%02.2hhx", arguments: [tokenChars[i]])
}
NSUserDefaults.standardUserDefaults().setObject(tokenString, forKey: "deviceToken")
}
这是最后的方法
func application(application: UIApplication, didReceiveRemoteNotification userInfo: [NSObject : AnyObject]) {
print(userInfo)
let storyboard = UIStoryboard(name: "Main", bundle: nil)
let navigationController = storyboard.instantiateViewControllerWithIdentifier("AlarmDetailsController") as! AlarmDetailsController
//let dVC:AlarmDetailsController = navigationController.topViewController as! AlarmDetailsController
navigationController.isPushNotification = true
self.window?.rootViewController?.presentViewController(navigationController, animated: true, completion: {})
}
请帮我解决这个问题记住我的应用程序在前台模式下运行良好
最佳答案
1.首先你应该在应用“Capabilities”中开启Background Fetch 2. 然后在app delegate中使用如下代码
在 AppDelegate 类中添加如下代码:
func application(_ application: UIApplication, didReceiveRemoteNotification userInfo: [AnyHashable: Any], fetchCompletionHandler completionHandler: @escaping (UIBackgroundFetchResult) -> Void) {
// print(userInfo)
let vc = mainStoryBoard.instantiateViewController(withIdentifier: "destinationVC") as! destinationVC
self.visibleNavController.pushViewController(vc, animated: true)
}
对于 iOS 10,请使用以下代码: 1.导入
import UserNotifications
用于前台获取
@available(iOS 10.0, *)
func userNotificationCenter(_ center: UNUserNotificationCenter, willPresent notification: UNNotification, withCompletionHandler completionHandler: @escaping (_ options: UNNotificationPresentationOptions) -> Void) {
var userInfo = NSDictionary()
userInfo = notification.request.content.userInfo as NSDictionary
let pay = userInfo as NSDictionary
let driverLocationVC = mainStoryBoard.instantiateViewController(withIdentifier: "destinationVC") as! destinationVC
self.visibleNavController.pushViewController(driverLocationVC, animated: true)
}
背景
@available(iOS 10.0, *)
func userNotificationCenter(_ center: UNUserNotificationCenter, didReceive response: UNNotificationResponse, withCompletionHandler completionHandler: @escaping () -> Void) {
print("Userinfo \(response.notification.request.content.userInfo)")
var userInfo = NSDictionary()
userInfo = response.notification.request.content.userInfo as NSDictionary
print(userInfo)
let driverLocationVC = mainStoryBoard.instantiateViewController(withIdentifier: "DriverLocationVC") as! DriverLocationVC
self.visibleNavController.pushViewController(driverLocationVC, animated: true)
}
用于获取设备 token
func application(_ application: UIApplication, didRegisterForRemoteNotificationsWithDeviceToken deviceToken: Data) {
let tokenString = deviceToken.reduce("", {$0 + String(format: "%02X", $1)})
print("Got token data! \(tokenString)")
UserDefaults.standard.set(tokenString, forKey: "device_token")
UserDefaults.standard.synchronize()
}
关于ios - 当应用程序处于后台时如何在 didReceiveRemoteNotification 上打开特定的 View Controller ,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/40990311/