New ios4 Format not a string literal...

Question

Hi all !

I need to create a string using results of a textfield.

I use :

>     NSString *username = [NSString stringWithFormat:myTextField.txt];

but i get the warning : Format not a string literal and no format arguments.

Everything works but like i use more than 10 times this syntax i would like to erase this warning. thanks to all !

Answer 1

In iOS 4 you must do as follows in order to get rid of the warning:

NSString *username = [NSString stringWithFormat:@"%@", myTextField.txt];

Answer 2

That's... not really what -stringWithFormat: is for. Use

NSString *username = [NSString stringWithString:myTextField.text];

or

NSString *username = [[myTextField.text copy] autorelease];