How to change the device token from NSData to NSString

Question

  -(void)application:(UIApplication *)application didRegisterForRemoteNotificationsWithDeviceToken:(NSData *)deviceToken
    {
        //NSString *deviceTokenString = [NSString stringWithFormat:@"%@", deviceToken];
        NSString *deviceTokenString= [[deviceToken description] stringByTrimmingCharactersInSet:[NSCharacterSet characterSetWithCharactersInString:@"<>"]];
        deviceTokenString = [deviceTokenString stringByReplacingOccurrencesOfString:@" " withString:@""];


        NSLog(@"DeviceToken : %@", deviceToken);
        [[NSUserDefaults standardUserDefaults] setObject:deviceTokenString forKey:@"DeviceToken"];
        [[NSUserDefaults standardUserDefaults] synchronize];
        [[NSUserDefaults standardUserDefaults] setObject:@"1" forKey:@"isNotificationsEnabled"];
        [[NSUserDefaults standardUserDefaults] synchronize];

    }

Below is my output.

2015-01-09 11:33:22.096 SourceSage[3851:384928] DeviceToken : <cb26ce58 cc0f0229 bc1df7a2 68b4cdb5 ab6351c4 56fb4f8c 39958e8e 3f1f741a>
2015-01-09 11:33:22.109 SourceSage[3851:384928] DeviceToken : <cb26ce58 cc0f0229 bc1df7a2 68b4cdb5 ab6351c4 56fb4f8c 39958e8e 3f1f741a>

hope this answer will help you http://stackoverflow.com/a/8798981/1866077 — arthankamal, Jan 09 '15 at 06:10

Midhun MP · Accepted Answer · 2015-01-09T06:52:44.697

1

You are saving NSData to NSUserDefaults, you need to convert the NSData to NSString first and save that to the NSUserDefaults.

-(void)application:(UIApplication *)application didRegisterForRemoteNotificationsWithDeviceToken:(NSData *)deviceToken
{
    NSString *token = [deviceToken description];
    token           = [token stringByTrimmingCharactersInSet:[NSCharacterSet characterSetWithCharactersInString:@"<>"]];
    token           = [token stringByReplacingOccurrencesOfString:@" " withString:@""];

    NSLog(@"DeviceToken : %@", token);
    [[NSUserDefaults standardUserDefaults] setObject:token forKey:@"DeviceToken"];
    [[NSUserDefaults standardUserDefaults] synchronize];
    [[NSUserDefaults standardUserDefaults] setObject:@"1" forKey:@"isNotificationsEnabled"];
    [[NSUserDefaults standardUserDefaults] synchronize];

}

edited Jan 09 '15 at 06:52

answered Jan 09 '15 at 06:10

Midhun MP

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by using this iam getting error "use of undeclered identifier 'charlieSendData' – Nayeemuddin Shaik Jan 09 '15 at 06:14
No iam not getting the same error is showing 2015-01-09 11:50:27.546 SourceSage[3896:388319] DeviceToken : 2015-01-09 11:50:27.557 SourceSage[3896:388319] DeviceToken : – Nayeemuddin Shaik Jan 09 '15 at 06:21
yes but same the error is going – Nayeemuddin Shaik Jan 09 '15 at 06:24
@NayeemuddinShaik: Instead of printing `deviceToken` print `deviceTokenString`. And what is the error now you are talking about ? – Midhun MP Jan 09 '15 at 06:24
divice token is null iam getting – Nayeemuddin Shaik Jan 09 '15 at 06:32
@NayeemuddinShaik: You can't test Push notification feature on Simulator, you need to use a device for that. In simulator deviceToken will be null – Midhun MP Jan 09 '15 at 06:32
ya iam testing in device its self but it showing token is null plz help me – Nayeemuddin Shaik Jan 09 '15 at 06:34
@NayeemuddinShaik: did you enabled push notification in the corresponding device ? Also did you enabled it on the provisioning profile ? – Midhun MP Jan 09 '15 at 06:34
yes i done that,in old program witch i kept as a question? that working ,n it showing device token as nsdata but now it showing device token is null after taking ur code – Nayeemuddin Shaik Jan 09 '15 at 06:37
same error NSString *deviceTokenString = [[NSString alloc] initWithData:deviceToken encoding:NSUTF8StringEncoding]; deviceTokenString = [deviceTokenString stringByTrimmingCharactersInSet:[NSCharacterSet characterSetWithCharactersInString:@"<>"]]; deviceTokenString = [deviceTokenString stringByReplacingOccurrencesOfString:@" " withString:@""]; NSLog(@"DeviceToken : %@", deviceTokenString); [[NSUserDefaults standardUserDefaults] setObject:deviceTokenString forKey:@"DeviceToken"]; – Nayeemuddin Shaik Jan 09 '15 at 06:45
DeviceToken : cb26ce58cc0f0229bc1df7a268b4cdb5ab6351c456fb4f8c39958e8e3f1f741a 2015-01-09 12:24:22.758 SourceSage[4027:398384] DeviceToken : cb26ce58cc0f0229bc1df7a268b4cdb5ab6351c456fb4f8c39958e8e3f1f741a – Nayeemuddin Shaik Jan 09 '15 at 06:55
iam getting in NsDatat Formate again – Nayeemuddin Shaik Jan 09 '15 at 06:55
@NayeemuddinShaik: That's not NSData, that's the device token (NSString) – Midhun MP Jan 09 '15 at 06:56
DeviceToken : cb26ce58cc0f0229bc1df7a268b4cdb5ab6351c456fb4f8c39958e8e3f1f741a is this in Nsstring Formate?? – Nayeemuddin Shaik Jan 09 '15 at 06:58
thanq for helping @Midhun Mp thanqu so much – Nayeemuddin Shaik Jan 09 '15 at 07:23

How to change the device token from NSData to NSString

1 Answers1