NSInvalidArgumentException FIRMessaging connectWithCompletion - ios

Question

Created the project on Firebase for iOS,
Installed the pods successfully,
Added GoogleService-info.plist,
Enabled push notification,
Added the Auth Key to firebase,
Added $(inhertied) to Other C Flags along with the PODS ROOTS,
Added Entitlements with APS Environment and Keychain Access Groups,
Added the following implementation to the delegate:
#import <Firebase/Firebase.h>
#import <FirebaseInstanceID/FirebaseInstanceID.h>
#import <FirebaseMessaging/FirebaseMessaging.h>
#implementation AppDelegate
#define SYSTEM_VERSION_GREATER_THAN_OR_EQUAL_TO(v) ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] != NSOrderedAscending)
#define SYSTEM_VERSION_LESS_THAN(v) ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedAscending)
#if defined(__IPHONE_10_0) && __IPHONE_OS_VERSION_MAX_ALLOWED >= __IPHONE_10_0
#endif
// Copied from Apple's header in case it is missing in some cases (e.g. pre-Xcode 8 builds).
#ifndef NSFoundationVersionNumber_iOS_9_x_Max
#define NSFoundationVersionNumber_iOS_9_x_Max 1299
#endif
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
application.applicationIconBadgeNumber = 0;
if (floor(NSFoundationVersionNumber) <= NSFoundationVersionNumber_iOS_7_1) {
// iOS 7.1 or earlier. Disable the deprecation warnings.
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
UIRemoteNotificationType allNotificationTypes =
(UIRemoteNotificationTypeSound | UIRemoteNotificationTypeAlert | UIRemoteNotificationTypeBadge);
[application registerForRemoteNotificationTypes:allNotificationTypes];
#pragma clang diagnostic pop
}
else
{
// iOS 8 or later
if (floor(NSFoundationVersionNumber) <= NSFoundationVersionNumber_iOS_9_x_Max) {
UIUserNotificationType allNotificationTypes =
(UIUserNotificationTypeSound | UIUserNotificationTypeAlert | UIUserNotificationTypeBadge);
UIUserNotificationSettings *settings =
[UIUserNotificationSettings settingsForTypes:allNotificationTypes categories:nil];
[[UIApplication sharedApplication] registerUserNotificationSettings:settings];
[[UIApplication sharedApplication] registerForRemoteNotifications];
}
else {
// iOS 10 or later
#if defined(__IPHONE_10_0) && __IPHONE_OS_VERSION_MAX_ALLOWED >= __IPHONE_10_0
UNAuthorizationOptions authOptions = UNAuthorizationOptionAlert | UNAuthorizationOptionSound | UNAuthorizationOptionBadge;
[[UNUserNotificationCenter currentNotificationCenter]
requestAuthorizationWithOptions:authOptions
completionHandler:^(BOOL granted, NSError * _Nullable error) {
}];
// For iOS 10 display notification (sent via APNS)
[[UNUserNotificationCenter currentNotificationCenter] setDelegate:self];
[[UIApplication sharedApplication] registerForRemoteNotifications];
#endif
}
}
[FIRApp configure];
// Add observer for InstanceID token refresh callback.
[[NSNotificationCenter defaultCenter] addObserver:self selector:#selector(tokenRefreshNotification:)
name:kFIRInstanceIDTokenRefreshNotification object:nil];
[self removeScreen];
[window makeKeyAndVisible];
return YES;
}
// With "FirebaseAppDelegateProxyEnabled": NO
- (void)application:(UIApplication *)application didRegisterForRemoteNotificationsWithDeviceToken:(NSData *)deviceToken {
[[FIRMessaging messaging] setAPNSToken: deviceToken type: FIRMessagingAPNSTokenTypeProd];
NSString *tokenString = [deviceToken description];
tokenString = [[deviceToken description] stringByTrimmingCharactersInSet:[NSCharacterSet characterSetWithCharactersInString:#"<>"]];
tokenId = [tokenString stringByReplacingOccurrencesOfString:#" " withString:#""];
self.devToken = tokenId;
[self connectToFcm];
}
- (void)tokenRefreshNotification:(NSNotification *)notification {
[self connectToFcm];
}
- (void)connectToFcm {
[[FIRMessaging messaging] connectWithCompletion:^(NSError * _Nullable error) {
if (error != nil) {
NSLog(#"Unable to connect to FCM. %#", error);
} else {
NSLog(#"Connected to FCM.");
}
}];
}
As I run the code I get the following error:
Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[FIRMessaging connectWithCompletion:]: unrecognized selector sent to instance 0x280bc0c00'
Do you know what could be causing the error and how to fix it?

Answer 1

Following the provided by #Eysner:
https://firebase.google.com/docs/cloud-messaging/ios/client
I replaced the following code:
- (void)connectToFcm {
[[FIRMessaging messaging] connectWithCompletion:^(NSError * _Nullable error) {
if (error != nil) {
NSLog(#"Unable to connect to FCM. %#", error);
} else {
NSLog(#"Connected to FCM.");
}
}];
}
with the following code:
- (void)connectToFcm {
[[FIRInstanceID instanceID] instanceIDWithHandler:^(FIRInstanceIDResult * _Nullable result, NSError * _Nullable error{
if (error != nil) {
NSLog(#"Error fetching remote instance ID: %#", error);
}
else {
NSLog(#"Remote instance ID token: %#", result.token);
NSString* message = [NSString stringWithFormat:#"Remote InstanceID token: %#", result.token];
}
}];
}

Answer 2

If i understand correct, you have problem with config FIRMessaging.
I didn't see some code which we need, for example - setup delegate
[FIRMessaging messaging].delegate = self;
So i think you need just use guide step by step.
I hope it will useful for you
https://firebase.google.com/docs/cloud-messaging/ios/client