mikelily

setLazyVar

Jun 25th, 2019
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Swift 0.61 KB | None | 0 0
  1. /** pageScrol 中間 items 的間距 */
  2.     let pageItemSpacing: CGFloat = 5
  3.     /** pageScrol 標題的高度 */
  4.     let pageScrollTittleHeight: CGFloat = 40
  5.     /** pageScrol 影片縮圖的高度 */
  6.     let pageScrollImageHeight: CGFloat = 192
  7.     /** pageScrol 片名的高度 */
  8.     let pageScrollPackNameHeight: CGFloat = 20
  9.    
  10.     /** pageScrol 的高度 */
  11.     lazy var pageScrollHeight: CGFloat = {
  12.        
  13.         var height = CGFloat()
  14.         height = pageItemSpacing*CGFloat(4) + pageScrollTittleHeight + pageScrollImageHeight + pageScrollPackNameHeight
  15.        
  16.         return height
  17.     }()
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