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Questions tagged [nsnumber]

on Mac OS X, NSNumber is a subclass of NSValue that offers a value as any C scalar (numeric) type

NSNumber is a subclass of NSValue that offers a value as any C scalar (numeric) type. It defines a set of methods specifically for setting and accessing the value as a signed or unsigned char, short int, int, long int, long long int, float, or double or as a BOOL. (Note that number objects do not necessarily preserve the type they are created with.)

Resource

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Passing a double value number to a NSNumber from another viewController

I am having problems trying to pass a double value number to another viewController. This is the NSNumber declaration on the receiving viewController: @property (nonatomic, assign) NSNumber *lat; And this is how am I getting the value from the…
mvasco
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Dictionary problems for Objective C (NSNumber +NumberWithInt)

In writting my Dictionary for a CG thumbnail creation, if I map the value directly to an int It works perfectly: NSDictionary* d = [NSDictionary dictionaryWithObjectsAndKeys: (id)kCFBooleanTrue,…
cromestant
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Trying to do some simple calculations in iOS project?

I want to know how to do some simple equations in my iOS app, if anyone could point me in the right direction that would be wonderful! I need to know how to convert an NSNumber that represents minutes to an NSString which represents hours and…
Jon Sullivan
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Add number to NSNumber

I want to + and - some values to the current longitude: NSNumber *Latitude = [[NSNumber alloc] initWithDouble:location.latitude]; NSNumber *Longitude = [[NSNumber alloc] initWithDouble:location.longitude]; NSLog(@"Numbers:%@ %@", Latitude,…
David Raijmakers
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Does NSNumber add any extra bytes to the number it holds?

I'm working with Objective-C and I need to add int's from a NSArray to a NSMutableData (I'm preparing a to send the data over a connection). If I wrap the int's with NSNumber and then add them to NSMutableData, how would I find out how many bytes…
Josh Bradley
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How can I convert an array of NSNumbers to an array of Ints?

How to get Int value from NSNumber in Swift? Or convert array of NSNumber to Array of Int values? I have a list of NSNumber let array1:[NSNumber] I want a list of Int values from this array let array2:[Int] = Convert array1
Nav Brar
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Unable to bridge NSNumber to Float

I'm runtime errors on my existing project when migrating versions of Xcode. Can someone help with this? Is my typecasting wrong? Code: let x = d[ChildItem.KEY_LOOK] as! NSArray as Array let y = d[ChildItem.KEY_COOR] as! NSArray as Array let…
Fra
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Comparing NSNumber which contains float values

I am facing issue while comparing NSNumber. Below is my code: NSNumberFormatter *formatter = [[NSNumberFormatter alloc] init]; [formatter setNumberStyle:NSNumberFormatterDecimalStyle]; NSNumber *avgRating= [formatter…
Vork
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Why would we use a pointer in an NSInteger but not in an NSNumber?

I have an NSInteger that doesn't use a pointer and an NSNumber that does use a pointer. Can someone explain to me why this is the case? All my teacher said was the NSInteger is being used as a type alias but I'm not familiar with that either…
David Synder
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Objective C Arithmetic failing

I have a NSNumber and when I try to do basic arithmetic it fails. NSNumber *contentExpirationInDays = [NSNumber numberWithInt: 1]; When I try to do a basic multiplication to convert to seconds it gives me crazy numbers: NSTimeInterval…
agarcian
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__NSCFNumber return negative value

For some reason i cant set my NSNumber value. Code is simple: obj.objectId = [filteredArr[i] valueForKey:@"idx"]; Where [[filteredArr[i] valueForKey:@"idx"] class] is __NSCFNumber. It should be a number from 0 to 200.. but it is actually…
Evgeniy Kleban
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NSNumber convert to double issue - Swift

I have an array in obj-c with this data and latitude and longitude is a NSNumber [ [latitude]: 38.63180843974196 [longitude]: 33.12896232001408 [addressText]: address Name [isStartedPoint]: 1 ] and I am trying…
Luai Kalkatawi
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Finding the lowest NSInteger from NSArray

I am trying to return the lowest number in an array. Parameter: arrayOfNumbers - An array of NSNumbers. Return: The lowest number in the array as an NSInteger. The code I have thus far doesn't give me any errors, but does not pass the unit tests.…
ioskaveen
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If statement with NSNumber array

All I want to do is check if the NSNumbers at the given indexes in the array gameBoard add up to 3... I am new to Objective-C and I am unsure of all these NSNumbers... Can someone help me out? This is what I have.... I presume the == is not…
kpce
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adding 0 in front of nsnumber

I'm trying to save a month and the format needs to be 2 digits. The problem is the xcode is converting every month below October to 1 digit. How can I format the number so that it will be for example 01 for January? Edit saving as a nsnumber. This…
madgrand
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