UITabBar

선택된 아이템 컬러 변경

Tab bar controller의 탭바 선택 - identity Inspector - User Defined Runtime Attributes

tintColor = 선택된 아이템 색상

unSelectedItemTintColor = 선택되지 않은 아이템 색상

 

코드로 title 속성 변경

let baselineOffset = (height - font lineHeight) / 4
let style = NSMutableParagraphStyle()
style.maximumLineHeight = height
style.minimumLineHeight = height)

let tabBarAppearance = UITabBarAppearance ()
let tabBarItemAppearance = UITabBarItemAppearance ()

tabBarItemAppearance.normal.titleTextAttributes = [
  NSAttributedString.Key. foregroundColor: UIColor.gray,
  NSAttributedString.Key.font: yourfont,
  NSAttributedString. Key.paragraphStyle: style,
  NSAttributedString.Key.baseline0ffset: baseline0ffset
]
tabBarItemAppearance.selected.titleTextAttributes = [
  NSAttributedString. Key foregroundColor: UIColor.red,
  NSAttributedString. Key.font: yourfont,
  NSAttributedString. Key.paragraphStyle: style,
  NSAttributedString.Key.baseline0ffset: baseline0ffset
]

tabBarAppearance. stackedLayoutAppearance = tabBarItemAppearance
self.tabBar.standardAppearance = tabBarAppearance

 

tabBar 높이

tabBar.frame.size.height = yourHeiht
tabBar.fraem.origin.y = view.frame.height - yourHeight

 

tabBar 그림자

class CsutomTabBarConroller: UITabBarController 
  private var shapeLayer: CALayer?
  
override func viewDidLoad() {
  super.viewDidLoad()
  
  shape()
}

override func viewDidLayoutsubviews() {
  super.viewDidLayoutSubviews ()
  
  self.tabBar.isTranslucent = true
  var tabFrame = self.tabBar. frame
  tabFrame.size.height = yourHeight + self.view.safeAreainsets.bottom
  tabFrame.origin.y = self.tabBar. frame.origin.y + (self.tabBar. frame .height - yourHeight - self, view.safeAreaInsets.bottom)
  tabBar.layer.cornerRadius = yourRadius
  tabBar.layer.masksToBounds = true
  tabBar.layer.maskedCorners = [.layerMaxXMinYCorner, .layerMinXMinYCorner]
  self.tabBar. frame = tabFrame
}

private func shape () {
  let shapeLayer = CAShapeLayer ()
  shapeLayer.path = createPath()
  shapeLayer.fillColor = yourColor
  shapeLayer.shadowColor = UIColor.black.withAlphaComponent (yourAlpha).cgColor
  shapeLayer.shadowoffset = ccsize(width: 0, height: -yourHeight)
  shapeLayer.shadowOpacity = yourOpacity
  shapeLayer.shadowPath = UIBezierPath (roundedRect: self.tabBar.bounds, cornerRadius: yourRadius).cgPath
  
  if let oldShapeLayer = self.shapeLayer {
    self. tabBar.layer.replaceSublayer(oldShapeLayer, with: shapeLayer)
  } else {
    self.tabBar.layer.insertSublayer(shapeLayer, at: 0)
  }
  
  self. shapeLayer = shapeLayer
}

private func createPath() -> CGPath {
  let path - UIBezierPath(roundedRect: self,tabBar.bounds, byRoundingCornerst [.topLeft, .topRight), cornerRadii: cosize(width: yourRadius, height: 0.0))
  return path. cgPath
}