Created
April 18, 2020 21:50
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Add blur effect on a UIView with blurRadius
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| // | |
| // UIView+BlurRadius.swift | |
| // PrecisionSystem | |
| // | |
| // Created by Siempay on 3/27/20. | |
| // Copyright © 2020 Brahim ELMSSILHA. All rights reserved. | |
| // | |
| import Foundation | |
| extension UIView { | |
| /// Add UIBlurEffect on top of this view | |
| /// | |
| /// This helper add a blur effect with possibility | |
| /// of reducing the amount (radius) of the blur effect. | |
| /// | |
| /// By using default parameters: you will get the half amount | |
| /// of blur effect you normaly get. | |
| /// | |
| /// - Parameters: | |
| /// - style: blur style: .dark, .light ... | |
| /// - radius: from 0 mean nothing to 1 means normal blur | |
| func addBlurEffect(style: UIBlurEffect.Style = .dark, radius: Double = 0.5) { | |
| // create new blur effect and added as subView | |
| let blurEffect = UIBlurEffect(style: style) | |
| let blurEffectView = UIVisualEffectView() | |
| addSubview(blurEffectView) | |
| // always fill the view | |
| blurEffectView.frame = self.bounds | |
| blurEffectView.autoresizingMask = [.flexibleWidth, .flexibleHeight] | |
| // make the blur being with animation | |
| // then pausing the animation | |
| UIView.animate(withDuration: 1) { | |
| blurEffectView.effect = blurEffect | |
| } | |
| blurEffectView.pauseAnimation(delay: radius) | |
| } | |
| } |
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