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November 5, 2018 08:32
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Main code of BubblePop button ( Latest Swift 3 version, post link: http://www.jianshu.com/p/f9ac729758e0)
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| class BubblePop: UIButton { | |
| var color: UIColor | |
| init(color: UIColor) { | |
| self.color = color | |
| super.init(frame: .zero) | |
| layer.shadowOpacity = 0.3 | |
| layer.shadowOffset = .zero | |
| layer.shadowRadius = 15 | |
| } | |
| required init?(coder aDecoder: NSCoder) { | |
| fatalError("init(coder:) has not been implemented") | |
| } | |
| override func draw(_ rect: CGRect) { | |
| super.draw(rect) | |
| let path = UIBezierPath(ovalIn: rect) | |
| color.setFill() | |
| path.fill() | |
| } | |
| override func touchesBegan(_ touches: Set<UITouch>, with event: UIEvent?) { | |
| super.touchesBegan(touches, with: event) | |
| color = .white | |
| setNeedsDisplay() | |
| UIView.animate(withDuration: 0.2, animations: { | |
| self.transform = CGAffineTransform(scaleX: 0.9, y: 0.9) | |
| }) | |
| } | |
| override func touchesEnded(_ touches: Set<UITouch>, with event: UIEvent?) { | |
| super.touchesEnded(touches, with: event) | |
| color = .orange | |
| setNeedsDisplay() | |
| UIView.animate(withDuration: 0.4, delay: 0, usingSpringWithDamping: 0.7, initialSpringVelocity: 0.5, options: [], animations: { | |
| self.transform = CGAffineTransform.identity | |
| }, completion: nil) | |
| } | |
| } |
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