//动画上下文
-(void)animationOfUIKit
{
UIView *redView=[[UIView alloc]initWithFrame:CGRectMake(10, 10, 100, 100)];
redView.backgroundColor=[UIColor redColor];
[self.view addSubview:redView];
//开始动画
[UIView beginAnimations:@"test" context:nil];
//动画时长
[UIView setAnimationDuration:1];
/*
*要进行动画设置的地方
*/
redView.backgroundColor=[UIColor blueColor];
redView.frame=CGRectMake(50, 50, 200, 200);
redView.alpha=0.5;
//动画结束
[UIView commitAnimations];
}
//通过代码块
-(void)animationOfBlock
{
//初始化一个View，用来显示动画
UIView *redView=[[UIView alloc]initWithFrame:CGRectMake(10, 10, 100, 100)];
redView.backgroundColor=[UIColor redColor];
[self.view addSubview:redView];
[UIView animateWithDuration:1 //时长
delay:0 //延迟时间
options:UIViewAnimationOptionCurveEaseInOut//动画效果
animations:^{
//动画设置区域
redView.backgroundColor=[UIColor blueColor];
redView.frame=CGRectMake(50, 50, 200, 200);
redView.alpha=0.5;
} completion:^(BOOL finish){
//动画结束时调用
//............
}];
}
//CA动画
- (void)animationOfCABasicAnimation
{
//创建一个CABasicAnimation对象
CABasicAnimation *animation=[CABasicAnimation animation];
//设置颜色
animation.toValue=(id)[UIColor blueColor].CGColor;
//动画时间
animation.duration=1;
//是否反转变为原来的属性值
animation.autoreverses=YES;
//把animation添加到图层的layer中，便可以播放动画了。forKey指定要应用此动画的属性
[self.view.layer addAnimation:animation forKey:@"backgroundColor"];
}
//
//关键帧动画CAKeyframeAnimation
- (void)animationOfCAKeyframeAnimation
{
CAKeyframeAnimation *animation=[CAKeyframeAnimation animation];
//设置属性值
animation.values=[NSArray arrayWithObjects:
// (id)self.view.backgroundColor,
(id)[UIColor yellowColor].CGColor,
(id)[UIColor greenColor].CGColor,
(id)[UIColor blueColor].CGColor,nil];
animation.duration=3;
animation.autoreverses=YES;
//把关键帧添加到layer中
[self.view.layer addAnimation:animation forKey:@"backgroundColor"];
}
//使用路径制作动画CAKeyframeAnimation
- (void)animationOfCAKeyframeAnimationPath
{
//初始化一个View，用来显示动画
UIView *redView=[[UIView alloc]initWithFrame:CGRectMake(10, 10, 20, 20)];
redView.backgroundColor=[UIColor redColor];
[self.view addSubview:redView];
CAKeyframeAnimation *ani=[CAKeyframeAnimation animation];
//初始化路径
CGMutablePathRef aPath=CGPathCreateMutable();
//动画起始点
CGPathMoveToPoint(aPath, nil, 20, 20);
CGPathAddCurveToPoint(aPath, nil,
160, 30,//控制点
220, 220,//控制点
240, 380);//控制点
CGPathAddCurveToPoint(aPath, nil,
160, 30,//控制点
220, 220,//控制点
240, 380);//控制点
ani.path=aPath;
ani.duration=10;
//设置为渐出
ani.timingFunction=[CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseIn];
//自动旋转方向
[email protected]"auto";
[redView.layer addAnimation:ani forKey:@"position"];
}