Ios 设置UIView的动画以使其增长和收缩？

我有一个

ui视图

---

如何设置此视图的动画，使视图变大（宽度、高度），然后再次缩小到其原始大小？

只需应用

ui视图

动画，然后应用动画的相反方向，即可恢复原始视图

UIView *myView = [[UIView alloc] initWithFrame:CGRectMake(0,0,100,100)];

[UIView animateKeyframesWithDuration:1.0
                               delay:0.0
                              options:UIViewAnimationOptionCurveEaseIn | UIViewAnimationOptionAllowUserInteraction
                           animations:^{

                              myView.frame = CGRectMake(0,0,200,300);

                           } completion:^(BOOL finished){

}];

---

只需应用

ui视图

动画，然后应用动画的相反方向即可恢复原始视图

UIView *myView = [[UIView alloc] initWithFrame:CGRectMake(0,0,100,100)];

[UIView animateKeyframesWithDuration:1.0
                               delay:0.0
                              options:UIViewAnimationOptionCurveEaseIn | UIViewAnimationOptionAllowUserInteraction
                           animations:^{

                              myView.frame = CGRectMake(0,0,200,300);

                           } completion:^(BOOL finished){

}];

迅速回答

Swift 2

//Get Smaller
UIView.animateWithDuration(1.0, animations: {
self.view.frame.size.height -= 100
self.view.frame.size.width -= 100


})
//grow
UIView.animateWithDuration(1.0, animations: {
self.view.frame.size.height += 100
self.view.frame.size.width += 100


})

Swift 3,4,5

//Get Smaller
UIView.animate(withDuration: 1.0, animations: {
    self.view.frame.size.height -= 100
    self.view.frame.size.width -= 100


})
//grow
UIView.animate(withDuration: 1.0, animations: {
    self.view.frame.size.height += 100
    self.view.frame.size.width += 100


})

迅速回答

Swift 2

//Get Smaller
UIView.animateWithDuration(1.0, animations: {
self.view.frame.size.height -= 100
self.view.frame.size.width -= 100


})
//grow
UIView.animateWithDuration(1.0, animations: {
self.view.frame.size.height += 100
self.view.frame.size.width += 100


})

Swift 3,4,5

//Get Smaller
UIView.animate(withDuration: 1.0, animations: {
    self.view.frame.size.height -= 100
    self.view.frame.size.width -= 100


})
//grow
UIView.animate(withDuration: 1.0, animations: {
    self.view.frame.size.height += 100
    self.view.frame.size.width += 100


})

---

只需使用transform的scale属性执行

UIView动画

目标C：

[UIView animateWithDuration:1
                 animations:^{
                     yourView.transform = CGAffineTransformMakeScale(1.5, 1.5);
                 }
                 completion:^(BOOL finished) {
                     [UIView animateWithDuration:1
                                      animations:^{
                                          yourView.transform = CGAffineTransformIdentity;

                                      }];
                 }];

Swift 3.0：

UIView.animate(withDuration: 1, animations: {
    yourView.transform = CGAffineTransform(scaleX: 1.5, y: 1.5)
}) { (finished) in
    UIView.animate(withDuration: 1, animations: { 
        yourView.transform = CGAffineTransform.identity
    })
}

---

cAffineTransformMakeScale

缩放视图，并将视图还原为原始形式。

只需使用transform的scale属性执行

UIView动画

目标C：

[UIView animateWithDuration:1
                 animations:^{
                     yourView.transform = CGAffineTransformMakeScale(1.5, 1.5);
                 }
                 completion:^(BOOL finished) {
                     [UIView animateWithDuration:1
                                      animations:^{
                                          yourView.transform = CGAffineTransformIdentity;

                                      }];
                 }];

Swift 3.0：

UIView.animate(withDuration: 1, animations: {
    yourView.transform = CGAffineTransform(scaleX: 1.5, y: 1.5)
}) { (finished) in
    UIView.animate(withDuration: 1, animations: { 
        yourView.transform = CGAffineTransform.identity
    })
}

---

cAffineTransformMakeScale

缩放视图，并

cAffineTransformIdentity

将视图还原回其原始形式。

使用CAKeyframeAnimation设置增长和收缩动画的简单方法

    let animation = CAKeyframeAnimation(keyPath: "transform.scale")

    animation.values = [1.0, 1.2, 1.0]
    animation.keyTimes = [0, 0.5, 1]
    animation.duration = 1.5
    animation.repeatCount = Float.infinity
    view.layer.add(animation, forKey: nil)

---

使用CAKeyframeAnimation设置生长和收缩动画的简单方法

    let animation = CAKeyframeAnimation(keyPath: "transform.scale")

    animation.values = [1.0, 1.2, 1.0]
    animation.keyTimes = [0, 0.5, 1]
    animation.duration = 1.5
    animation.repeatCount = Float.infinity
    view.layer.add(animation, forKey: nil)

---

你要应用反转吗？只要你想，只要在代码的动画块中应用你想要的反转帧。你要应用反转吗？只要你想，只需在代码的动画块中应用所需的反向帧。如何组合两个动画使其首先大于收缩到其原始大小？如何组合两个动画使其首先大于收缩到其原始大小？效果非常好！最好的解决方案！很好！最好的解决方案！