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2019年8月7日

class ViewController: UIViewController {
 
    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view.
        
        for item in (self.tabBarController?.tabBar.items)! {
            item.imageInsets = UIEdgeInsets(top: 0, left: -20, bottom: 0, right: 20)
        }
        
    }
    
}