scroll-keyboard.m

- (BOOL)textFieldShouldReturn:(UITextField *)theTextField {
    if (theTextField == self.lastField) {
        [theTextField resignFirstResponder];
        // scroll back to normal
    } else if (theTextField == self.firstField) {
        [self.secondField becomeFirstResponder];
        // Scroll to second text field
    } else if (theTextField == self.secondField) {
        [self.lastField becomeFirstResponder];
        // Scroll to last text field
    }

    return YES;
}

// Scrolling to the field

[scrollView setContentOffset:CGPointMake(0,textField.center.y-60) animated:YES];

// I'd use the textField.frame to do it though, instead of center.y-60.