Objective-C —textfield to string array

Question

I have this and it works:

[pole insertObject: [NSString stringWithFormat:@"%s",[textfield text]] atIndex:idpole];

But this doesn't save to string what is in the texfield, but some numbers or other unspecified characters. What can I do, to save real text from a textfield?

can you give an example of the text that will be in the field and the output you want? — Nick Moore
– Nick Moore, Commented Apr 8, 2011 at 8:26
Don't use +stringWithFormat: when you don't need to. Parsing a format string is expensive. Just use [[[textfield text] copy] autorelease] — NSResponder
– NSResponder, Commented Apr 8, 2011 at 10:28

rckoenes · Accepted Answer · 2011-04-08 08:25:58Z

4

There is no need to create a new string:

[pole insertObject: [textfield text] atIndex:idpole];

Or if you want to make sure the the string a new object:

[pole insertObject: [NSString stringWithString:[textfield text]] atIndex:idpole];

answered Apr 8, 2011 at 8:25

rckoenes

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2 Comments

Rabskatran Over a year ago

Even if there is no need to create a new NSString, could you tell us why his code does not work ?

rckoenes Over a year ago

Yes, %s is expecting a cstring not NSString. If you want to use a NSString in a formet use %@

Nick Weaver · Accepted Answer · 2011-04-08 08:26:43Z

1

Try:

[pole insertObject:[textfield text] atIndex:idpole];

answered Apr 8, 2011 at 8:26

Nick Weaver

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Comments

Helge Becker · Accepted Answer · 2011-04-08 08:32:08Z

1

Thats because [textfield text] is a reference to a NSString object.

http://developer.apple.com/library/ios/#documentation/uikit/reference/UITextField_Class/Reference/UITextField.html

answered Apr 8, 2011 at 8:32

Helge Becker

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Comments

Rakesh Bhatt · Accepted Answer · 2011-04-08 08:37:20Z

1

[pole insertObject: [NSString stringWithFormat:@"%@",[textfield text]] atIndex:idpole];

    NSlog(@"%@",pole);

answered Apr 8, 2011 at 8:37

Rakesh Bhatt

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