#define SINGLE_LINE_WIDTH (1/[UIScreen mainScreen].scale)
#define SINGLE_LINE_ADJUST_OFFSET ((1/[UIScreen mainScreen].scale)/2)
- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
CGFloat xPos = 100;
UIView *view = [[UIView alloc] initWithFrame:CGRectMake(xPos - SINGLE_LINE_ADJUST_OFFSET, 35, SINGLE_LINE_WIDTH, 330)];
view.backgroundColor = [UIColor blackColor];
[self.view addSubview:view];
}
