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//参数1 动画名称 参数2 要实现动画的对象上下文
[UIView beginAnimations:@
"attribute"
context:_showImageView];
//设置动画的时间
[UIView setAnimationDuration:1.0f];
//设置动画延迟时间
// [UIView setAnimationDelay:2];
//设置视图center 实现试图移动动画
_showImageView.center = CGPointMake(100, 100);
//设置alpha值:视图透明度
_showImageView.alpha = 0.2f;
//设置背景颜色
_showImageView.backgroundColor = [UIColor greenColor];
//UIView动画 设置代理
[UIView setAnimationDelegate:self];
//动画将要开始代理方法
[UIView setAnimationWillStartSelector:@selector(animationWillStart:context:)];
//动画已经结束代理方法
[UIView setAnimationDidStopSelector:@selector(animationDidStop:finished:context:)];
//提交动画设置，执行动画
[UIView commitAnimations];
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//UIView动画， 使用Block实现
[UIView animateWithDuration:1.0f animations:^{
//通过设置translation 实现视图的偏移
if
([self.mySwitch isOn]) {
//基于上一次的translation
_showImageView.transform = CGAffineTransformTranslate(_showImageView.transform, 50, 0);
}
else
{
//基于原始的translation
_showImageView.transform = CGAffineTransformMakeTranslation(-50, 0);
}
}];
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//CABasic 有两个属性 fromValue 动画开始值，toValue动画结束值
CABasicAnimation *animation1 = [CABasicAnimation animationWithKeyPath:@
"position"
];
[animation1 setDuration:2];
animation1.fromValue = [NSValue valueWithCGPoint:CGPointMake(150, 150)];
animation1.toValue = [NSValue valueWithCGPoint:CGPointMake(200, 200)];
[_imageView.layer addAnimation:animation1 forKey:@
"position"
];
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//创建组动画对象
CAAnimationGroup *group = [CAAnimationGroup animation];
//CABasic动画
CABasicAnimation *animation1 = [CABasicAnimation animationWithKeyPath:@
"transform.scale.y"
];
animation1.fromValue = @1.5;
animation1.toValue = @0.5;
//关键帧动画
CAKeyframeAnimation *animation2 = [CAKeyframeAnimation animationWithKeyPath:@
"position"
];
animation2.values = @[[NSValue valueWithCGPoint:CGPointMake(100, 100)],
[NSValue valueWithCGPoint:CGPointMake(200, 150)],
[NSValue valueWithCGPoint:CGPointMake(100, 200)],
[NSValue valueWithCGPoint:CGPointMake(200, 250)]];
//group添加动画数组，group中动画对象并发执行
[group setAnimations:@[animation1, animation2]];
[group setDuration:4.0f];
[_imageView.layer addAnimation:group forKey:@
"group"
];
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