Add background to StatusBar in AppDelegate didFinishLaunchingWithOptions

StatusBar Background

        //Create the background
        UIView* statusBg = [[UIView alloc] initWithFrame:CGRectMake(0, 0, self.window.frame.size.width, 20)];
        //statusBg.backgroundColor = [UIColor colorWithWhite:1 alpha:.7];
        statusBg.backgroundColor = [UIColor whiteColor];
        
        //Add the view behind the status bar
        [self.window.rootViewController.view addSubview:statusBg];
        
        //set the constraints to auto-resize
        statusBg.translatesAutoresizingMaskIntoConstraints = NO;
        [statusBg.superview addConstraint:[NSLayoutConstraint constraintWithItem:statusBg attribute:NSLayoutAttributeTop relatedBy:NSLayoutRelationEqual toItem:statusBg.superview attribute:NSLayoutAttributeTop multiplier:1.0 constant:0.0]];
        [statusBg.superview addConstraint:[NSLayoutConstraint constraintWithItem:statusBg attribute:NSLayoutAttributeLeft relatedBy:NSLayoutRelationEqual toItem:statusBg.superview attribute:NSLayoutAttributeLeft multiplier:1.0 constant:0.0]];
        [statusBg.superview addConstraint:[NSLayoutConstraint constraintWithItem:statusBg attribute:NSLayoutAttributeRight relatedBy:NSLayoutRelationEqual toItem:statusBg.superview attribute:NSLayoutAttributeRight multiplier:1.0 constant:0.0]];
        [statusBg.superview addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@"V:[statusBg(==20)]" options:0 metrics:nil views:NSDictionaryOfVariableBindings(statusBg)]];
        [statusBg.superview setNeedsUpdateConstraints];