swift Swift3删除tabar顶行并给出一个自定义tabar

Posted 2021-05-19

    //MARK:清除顶部线条
    fileprivate func clearTabBarTopLine(){
        
        let rect = CGRect(x: 0, y: 0, width: UIScreen.main.bounds.width, height: UIScreen.main.bounds.height)
        UIGraphicsBeginImageContext(rect.size)
        
        let context = UIGraphicsGetCurrentContext()
        
        context?.setFillColor(UIColor.clear.cgColor)
        
        context?.fill(rect)
        
        let img = UIGraphicsGetImageFromCurrentImageContext()
        UIGraphicsEndImageContext()
        self.tabBar.backgroundImage = img
        self.tabBar.shadowImage = img
    }