[英]Alamofire API call from background mode from userNotificationCenter not working
我正在我的應用程序中使用通知服務擴展實現豐富的通知。 單擊操作按鈕時,我正在調用一個 API,該 API 在應用程序處於前台模式時工作,但在應用程序處於后台模式時不工作。網絡連接丟失。”我已啟用后台獲取功能。
下面是我在 App 委托中的代碼
func userNotificationCenter(_ center: UNUserNotificationCenter, didReceive response:UNNotificationResponse,withCompletionHandler completionHandler: @escaping () -> Void) {
defer {
completionHandler()
}
let userInfo = response.notification.request.content.userInfo
print("userinfo : \(userInfo)")
if let aps = userInfo[AnyHashable("aps")] as? NSDictionary, let device_id = aps["device_id"] as? NSNumber
{
UserDefaults.standard.set(device_id.stringValue, forKey: "deviceID")
print("action identifier is :\(response.actionIdentifier)")
switch response.actionIdentifier {
case "VIEW":
print("view")
self.apiCall()
case UNNotificationDismissActionIdentifier:
print("second")
default:
print("default")
}
}
}
函數 apiCall() {
if let domain_name = UserDefaults.standard.value(forKey: DOMAIN_NAME) as? String, let device_id = UserDefaults.standard.value(forKey: "deviceID") as? String
{
let hash_key = UserDefaults.standard.value(forKey: LoginKey) as! String
let user_name = UserDefaults.standard.value(forKey: USER_NAME) as! String
let url = domain_name + "/abc.php"
let parameters : Dictionary<String, Any> = [
"action" : "xyz",
"user_name" : user_name,
"hash_key" : hash_key,
"parking_status": "0",
"latitude":0,
"longitude" : 0,
"device_id": device_id
]
print("parking set URL: \(url), parameters:\(parameters)")
APIManager.sharedInstance.CallNewTrackResult(urlString: url, parameters: parameters, completionHandler: {data, r_error, isNetwork in
if isNetwork{
let result = data?[K_Result] as? Int ?? 100
switch (result){
case 0 :
if let message = data?[K_Message] as? String
{
print("parking message is :\(message)")
let alert = UIAlertController(title: "", message: message, preferredStyle: .alert)
let actionYes = UIAlertAction(title: "OK", style: .default, handler: { action in
})
alert.addAction(actionYes)
DispatchQueue.main.async {
self.window?.rootViewController?.present(alert, animated: true, completion: nil)
}
}
break
case _ where result > 0 :
let message = data?[K_Message] as! String
print(message)
break
default:
print("Default Case")
}
}else{
//showToast(controller: self, message: "Please check your Internet Connection.", seconds: 0.3)
print("ERROR FOUND")
}
})
}
}
當您調用完成處理程序時,系統正在斷開網絡連接。
您應該將完成處理程序從userNotificationCenter(_:didReceive:withCompletionHandler:)
傳遞給您的 func 並在進程結束時調用它,如下所示
func userNotificationCenter(_ center: UNUserNotificationCenter, didReceive response:UNNotificationResponse, withCompletionHandler completionHandler: @escaping () -> Void) {
apiCall(completion: completionHandler)
}
func apiCall(completion: () -> Void) {
...
APIManager.sharedInstance.CallNewTrackResult(urlString: url, parameters: parameters, completionHandler: {data, r_error, isNetwork in
completion()
...
}
}
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