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Chris Hu
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Feb 6, 2017
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,69 @@ | ||
| // | ||
| // CustomLoading2.swift | ||
| // DemoCustomHUD | ||
| // | ||
| // Created by Chris Hu on 17/2/6. | ||
| // Copyright © 2017年 com.icetime17. All rights reserved. | ||
| // | ||
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| import UIKit | ||
| import Foundation | ||
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| class CustomLoading2 { | ||
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| private static var imageView: UIImageView! | ||
| private static var maskView: UIView! | ||
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| private static var displayLink: CADisplayLink! | ||
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| private static var rotationAngle: CGFloat = 0.0 | ||
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| class func start() { | ||
| guard let image = UIImage(named: "1.png") else { return } | ||
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| if maskView == nil { | ||
| guard let keyWindow = UIApplication.shared.keyWindow else { return } | ||
| DispatchQueue.main.async { | ||
| maskView = UIView(frame: keyWindow.bounds) | ||
| maskView.backgroundColor = UIColor(hexString: 0x0, alpha: 0.4) | ||
| keyWindow.addSubview(maskView) | ||
| } | ||
| } | ||
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| if imageView == nil { | ||
| DispatchQueue.main.async { | ||
| imageView = UIImageView(frame: CGRect(x: 0, y: 0, width: image.size.width / 2, height: image.size.height / 2)) | ||
| imageView.image = image | ||
| self.maskView.addSubview(self.imageView) | ||
| self.imageView.center = self.maskView.center | ||
| } | ||
| } | ||
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| if displayLink == nil { | ||
| displayLink = CADisplayLink(target: self, selector: #selector(updateAction)) | ||
| displayLink.add(to: RunLoop.current, forMode: .commonModes) | ||
| } | ||
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| UIApplication.shared.beginIgnoringInteractionEvents() | ||
| } | ||
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| @objc private class func updateAction() { | ||
| rotationAngle += 0.075 | ||
| let transform = CATransform3DMakeRotation(rotationAngle, 0, 1, 0) | ||
| imageView.layer.transform = transform | ||
| } | ||
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| class func stop() { | ||
| displayLink.invalidate() | ||
| displayLink = nil | ||
| rotationAngle = 0 | ||
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| imageView.removeFromSuperview() | ||
| imageView = nil | ||
| maskView.removeFromSuperview() | ||
| maskView = nil | ||
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| UIApplication.shared.endIgnoringInteractionEvents() | ||
| } | ||
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| } |
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