NSScreencast Episode #146 Vibrancy and Blur

Vibrancy and Blur - NSScreencast

テキスト表示エリアに透けるエフェクト

過去のエピソード Blur - NSScreencast

• UIVisualEffectView
• UIBlurEffect
  • [UIBlurEffect effectWithStyle:UIBlurEffectStyleExtraLight]
    • UIBlurEffectStyleDark
    • UIBlurEffectStyleLight
• UIPanGestureRecognizer
• legibility 読みやすさ
  • Today Extensionや音声コントロールと背景色、コントラストなど見比べる
• UIVibrancyEffect
  • UIVibrancyEffect *vibrancy = [UIVibrancyEffect effectForBlurEffect:blur];
  • blurと共に使われる (meant to be used in conjunction to blur)
  • 背景によって変化する (changing by behind content)
  • label text color ignored
    • color is determined by vibrancy effect
  • can also add effect from storyboard
    • cumbersome
      • nested views [ UIVisualEffectView - View - UIVisualEffectView - View - Label etc.]