Created
May 28, 2018 10:33
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监听UISwitch动画结束
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| addTarget(self, action: #selector(valueChanged(sender:)), for: [.valueChanged]) | |
| @objc private func valueChanged(sender: UISwitch) { | |
| CATransaction.setCompletionBlock { [onChange] in | |
| onChange?(sender.isOn) | |
| } | |
| } | |
| The documentation says the block is guaranteed to be called even if there are no animations or the animation was removed. It makes it very safe to use. | |
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