Saving n Retrieving Data Using NSUserDefaults

gistfile1.m

//Saving
NSUserDefaults *prefs = [NSUserDefaults standardUserDefaults];

// saving an Object
[prefs setObject:Object forKey:@"keyObject"];

// saving an NSInteger
[prefs setInteger:42 forKey:@"keyInt"];

// saving a Double
[prefs setDouble:3.1415 forKey:@"keyDouble"];

// saving a Float
[prefs setFloat:1.2345678 forKey:@"keyFloat"];

// This is suggested to synch prefs, but is not needed
[prefs synchronize];

Retrieving

NSUserDefaults *prefs = [NSUserDefaults standardUserDefaults];

// getting an NSString
NSString *myString = [prefs stringForKey:@"keyObject"];

// getting an NSInteger
NSInteger myInt = [prefs integerForKey:@"keyInt"];

// getting an Float
float myFloat = [prefs floatForKey:@"keyFloat"];