String to UTF8 Char Conversion in Objective-C

Question

I'm trying to save an UTF8 char to a string and print it to a label.

If I hard code it works fine:

NSString *param = @"\uf02e";
NSLog(param);

Result:

2012-10-24 16:09:56.522 i[22996:12c03] 

By the way if I'm saving the char to a string I can't go back.

NSString *myString = [NSString stringWithFormat:@"%@",[item objectForKey:content]];
NSLog(myString);

Result:

2012-10-24 16:18:47.289 i[23105:12c03] \uf02e

Any solution for this? Thanks.

EDIT

item is an NSDictionary and [item objectForKey:content] is a string.

enter image description here

item is an NSDictionary filled with objects from a plist file. — Carlo S
– Carlo S, Commented Oct 24, 2012 at 14:41
So in your plist string is actually the string "\uf02e" itself, not the corresponding unicode character. Modifier \u doesn't work inside of strings inside of plist. — Nickolay Olshevsky
– Nickolay Olshevsky, Commented Oct 25, 2012 at 15:25

Max · Accepted Answer · 2012-10-24 14:28:36Z

1

    NSString *param = @"\uf02e";
    NSDictionary* item = [NSDictionary dictionaryWithObject: param forKey: @"key"];
    NSString *myString = [NSString stringWithFormat:@"%@",[item objectForKey: @"key"]];
    NSLog(myString);

Works fine for me. So the error is in the value, that you're inserting into the dictionary.

answered Oct 24, 2012 at 14:28

Max

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9 Comments

Carlo S Over a year ago

I have attached an image. The value is saved correctly on the plist file as String. Your solution works but not with my code.

Max Over a year ago

how do you load it from plist ?

trojanfoe Over a year ago

+1 @CarloS The value you have stored in the dictionary looks like the string "\uf02e" (i.e. the escape sequence you'd supply to the compiler). This won't work when the string is loaded like this as the compiler won't interpret the escape characters this way. In fact the compiler won't see the string at all, will it.

Carlo S Over a year ago

It's quite complex to paste all the code. By the way myString is a string, same as param. Can't understand why they are treated differently.

Carlo S Over a year ago

Any way to convert "\uf02e" to \uf02e ? Cause I can't change the way I'm filling the dictionary.

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