iPhone Tutorial - iPhone SDK Save Application State

NSUserDefaults is your friend when you need to save a small amount of data. Here is some sample code for saving various data types.

01	NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];

02

03	//Setting defaults

04	[defaults setInteger:1 forKey:@"myint"];

05	[defaults setObject:@"my string" forKey:@"mystring"];

06	[defaults setFloat:100.23 forKey:@"myfloat"];

07

08	//Getting defaults

09	int myint = [defaults intForKey:@"myint"];

10	NSString *mystring = [defaults intForKey:@"mystring"];

11	float myfloat = [defaults floatForKey:@"myfloat"];