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jeffaburt/FadeWhenHighlightedButton.swift

Created August 8, 2016 18:45
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  1. jeffaburt created this gist Aug 8, 2016.
    28 changes: 28 additions & 0 deletions FadeWhenHighlightedButton.swift
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,28 @@
    import UIKit

    class FadeWhenHiglightedButton: UIButton {
    private var initialAlpha: CGFloat!

    override var highlighted: Bool {
    didSet {
    alpha = highlighted ? initialAlpha - 0.4 : initialAlpha
    }
    }

    override init(frame: CGRect) {
    super.init(frame: frame)
    commonInit()
    }

    required init?(coder aDecoder: NSCoder) {
    super.init(coder: aDecoder)
    commonInit()
    }

    private func commonInit() {
    initialAlpha = alpha
    showsTouchWhenHighlighted = false
    adjustsImageWhenHighlighted = false
    reversesTitleShadowWhenHighlighted = false
    }
    }