我有一个按钮,当我单击它时,background_image会变成模糊效果。
@IBAction func button_MainClicked2(_ sender: UIButton) {
if button_MainCenter == button_viajes.center{
UIView.animate(withDuration: 0.6, animations:
{
let blur = UIBlurEffect(style: UIBlurEffectStyle.light)
let blurView = UIVisualEffectView(effect: blur)
blurView.frame = self.image_Background.bounds
self.image_Background.addSubview(blurView)
})
} else {
UIView.animate(withDuration: 0.6, animations: {
// I want to remove blur effect as soon as i press the button again.
})
}
}
单击该按钮后,如何解决该问题以消除效果?
最佳答案
您可以先添加tag
以像blurView.tag = 1000
一样模糊视图,然后再将其添加为子视图,然后进行动画处理
for view in button_MainCenter.subviews {
if view.tag == 1000 {
view.removeFromSuperview()
}
}
编辑:
不确定是否会动画。如果不是,则可以将此视图的
alpha
动画从1设置为0,然后将其删除。编辑:
let blur = UIBlurEffect(style: UIBlurEffectStyle.light)
let blurView = UIVisualEffectView(effect: blur)
blurView.tag = 1000
blurView.frame = self.image_Background.bounds
self.image_Background.addSubview(blurView)
关于swift - 删除BlurEffect之前,请先将其与按钮一起使用,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/42797116/