Swift remote push notifications with GCM
I have an iOS app built with swift and I am trying to receive remote push notifications using GCM. I have gone through all of the steps to configure push notifications with Google Cloud Messaging. I am able to register with GCM and receive a token. I can then push local(the app is open) push notifications to the iOS device. I am trying do to is have the app receive notifications when it is close.
Below is my source code for app.
class AppDelegate: UIResponder, UIApplicationDelegate, GGLInstanceIDDelegate, GCMReceiverDelegate {
var window: UIWindow?
var connectedToGCM = false
var subscribedToTopic = false
var gcmSenderID: String?
var registrationToken: String?
var registrationOptions = [String: AnyObject]()
let registrationKey = "onRegistrationCompleted"
let messageKey = "onMessageReceived"
let subscriptionTopic = "/topics/global"
func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions:
[NSObject: AnyObject]?) -> Bool {
var configureError:NSError?
GGLContext.sharedInstance().configureWithError(&configureError)
assert(configureError == nil, "Error configuring Google services: (configureError)")
gcmSenderID = GGLContext.sharedInstance().configuration.gcmSenderID
print(gcmSenderID)
if #available(iOS 8.0, *) {
let settings: UIUserNotificationSettings =
UIUserNotificationSettings(forTypes: [.Alert, .Badge, .Sound], categories: nil)
application.registerUserNotificationSettings(settings)
application.registerForRemoteNotifications()
} else {
let types: UIRemoteNotificationType = [.Alert, .Badge, .Sound]
application.registerForRemoteNotificationTypes(types)
}
let gcmConfig = GCMConfig.defaultConfig()
gcmConfig.receiverDelegate = self
GCMService.sharedInstance().startWithConfig(gcmConfig)
return true
}
func applicationDidBecomeActive( application: UIApplication) {
// Connect to the GCM server to receive non-APNS notifications
GCMService.sharedInstance().connectWithHandler({(error:NSError?) -> Void in
if let error = error {
print("Could not connect to GCM: (error.localizedDescription)")
} else {
self.connectedToGCM = true
print("Connected to GCM")
}
})
}
func applicationDidEnterBackground(application: UIApplication) {
print("enter background")
GCMService.sharedInstance().disconnect()
self.connectedToGCM = true
}
func application( application: UIApplication, didRegisterForRemoteNotificationsWithDeviceToken
deviceToken: NSData ) {
let instanceIDConfig = GGLInstanceIDConfig.defaultConfig()
instanceIDConfig.delegate = self
GGLInstanceID.sharedInstance().startWithConfig(instanceIDConfig)
registrationOptions = [kGGLInstanceIDRegisterAPNSOption:deviceToken,
kGGLInstanceIDAPNSServerTypeSandboxOption:true]
GGLInstanceID.sharedInstance().tokenWithAuthorizedEntity(gcmSenderID,
scope: kGGLInstanceIDScopeGCM, options: registrationOptions, handler: registrationHandler)
}
func application( application: UIApplication, didFailToRegisterForRemoteNotificationsWithError
error: NSError ) {
print("Registration for remote notification failed with error: (error.localizedDescription)")
let userInfo = ["error": error.localizedDescription]
NSNotificationCenter.defaultCenter().postNotificationName(
registrationKey, object: nil, userInfo: userInfo)
}
func application( application: UIApplication,
didReceiveRemoteNotification userInfo: [NSObject : AnyObject]) {
print("Notification received: (userInfo)")
GCMService.sharedInstance().appDidReceiveMessage(userInfo);
NSNotificationCenter.defaultCenter().postNotificationName(messageKey, object: nil, userInfo: userInfo)
let notification = UILocalNotification()
notification.fireDate = NSDate()
notification.alertBody = "(userInfo)"
notification.alertAction = "Measurz"
UIApplication.sharedApplication().scheduleLocalNotification(notification)
}
func application( application: UIApplication,
didReceiveRemoteNotification userInfo: [NSObject : AnyObject], fetchCompletionHandler handler: (UIBackgroundFetchResult) -> Void) {
print("Notification received: (userInfo)")
GCMService.sharedInstance().appDidReceiveMessage(userInfo);
NSNotificationCenter.defaultCenter().postNotificationName(messageKey, object: nil, userInfo: userInfo)
handler(UIBackgroundFetchResult.NoData);
}
func registrationHandler(registrationToken: String!, error: NSError!) {
if (registrationToken != nil) {
self.registrationToken = registrationToken
print("Registration Token: (registrationToken)")
let userInfo = ["registrationToken": registrationToken]
NSNotificationCenter.defaultCenter().postNotificationName(self.registrationKey, object: nil, userInfo: userInfo)
} else {
print("Registration to GCM failed with error: (error.localizedDescription)")
let userInfo = ["error": error.localizedDescription]
NSNotificationCenter.defaultCenter().postNotificationName(self.registrationKey, object: nil, userInfo: userInfo)
}
}
func onTokenRefresh() {
print("The GCM registration token needs to be changed.")
GGLInstanceID.sharedInstance().tokenWithAuthorizedEntity(gcmSenderID,
scope: kGGLInstanceIDScopeGCM, options: registrationOptions, handler: registrationHandler)
}
func willSendDataMessageWithID(messageID: String!, error: NSError!) {
if (error != nil) {
// Failed to send the message.
} else {
// Will send message, you can save the messageID to track the message
}
}
func didSendDataMessageWithID(messageID: String!) {
// Did successfully send message identified by messageID
}
func didDeleteMessagesOnServer() {
// Some messages sent to this device were deleted on the GCM server before reception, likely
// because the TTL expired. The client should notify the app server of this, so that the app
// server can resend those messages.
}
}
I notice that didReceiveRemoteNotification userInfo: [NSObject : AnyObject] only works with local push notifications and when the app is closed this function should be handling the background process and sending the notification:
func application( application: UIApplication,
didReceiveRemoteNotification userInfo: [NSObject : AnyObject], fetchCompletionHandler handler: (UIBackgroundFetchResult) -> Void)
, but nothing is showing up on the phone.
Below is a example of the data I am sending to GCM via node.js
var json = {
"registration_ids":["p0xcEUg5TYLbz-w2iuoOq3-2i4OCn_wPWpxHXU9SNxemCk9MY-kHU2Kyos5kI7_pUqXgHz8ef_BWqY4NgLTfTK1ppQE"],
"data":{
"aps" : {
"alert" : {
"title" : "Message",
"body" : "Please check your monthly budget",
}
}
}
};
Any help would be greatly appreciated.
这在iOS的后台没有收到数据。
确保您在项目“功能”中打开了“背景模式”并选中了“远程通知”。
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