received memory warning. level 1

Question

I am new to iPhone development. I am creating an application in which i need to create buttons and labels programmatically.
So I am doing this in .h file

Answer 1

Since you alloced memory, you need to release it as well. Anytime you use alloc, copy or new, remember to always release. Its not a good idea to release everything only at dealloc. Release objects when you are done with them. For example:

 setchallange = [[NSString alloc] initWithFormat:@"%@" , challange];//Memory leak here
 Challengetext.text = setchallange;
 [setchallange release]

Also checkout out the iOS memory management guide. I'm sure it will help.