Question

I’m struggling with this issue, and I couldn’t find any resource for it :
I have an NSNumber that I want to display in an UITextField, so the user can edit it.
So I need to convert this NSNumber to an NSString, like this :

float value  -> desired string value
1.0000000... -> 1
10.000000... -> 10
1.1230000... -> 1.123 or 1,123 depending on the locale
1000000.0... -> 1000000

I’ve tried to use NSNumberFormatter, but then I get spaces or comas for big numbers :

1000000.0... -> 1,000,000 or 1 000 000 depending on the locale

I also tried

[NSString stringWithFormat:@"%g", val]

But then for big numbers I have a scientific expression :

1000000.0 -> 1e+06

Did somebody have a successful experience with this ?

Answer 1

NSNumberFormatter has such method as :

- (void)setGroupingSeparator:(NSString *)string

I think, you can return to variant where you has:

1000000.0... -> 1,000,000 or 1 000 000 depending on the locale

and set additional parameter using that function:

[formatter setGroupingSeparator:@""];

Or moreover try this method:

[formatter setUsesGroupingSeparator:NO];