IOS 动画的各种实现方法

#import "ViewController.h"
#import <QuartzCore/QuartzCore.h>

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad
{
[super viewDidLoad];
//创建一个
UIView *view=[[UIView alloc]init];
view.backgroundColor=[UIColor redColor];
[self.view addSubview:view];
view.tag=1001;

//top 200 dowm 200 left 40 right 40
[view setTranslatesAutoresizingMaskIntoConstraints:NO];
NSArray *constraintH= [NSLayoutConstraint constraintsWithVisualFormat:@"H:|-40-[view]-40-|" options: 0 metrics:Nil views:NSDictionaryOfVariableBindings(view)];
NSArray *constraintV=[NSLayoutConstraint constraintsWithVisualFormat:@"V:|-200-[view(>=30)]-200-|" options:0 metrics:nil views:NSDictionaryOfVariableBindings(view)];
[self.view addConstraints:constraintH];
[self.view addConstraints:constraintV];

UIButton *button=[UIButton buttonWithType:UIButtonTypeRoundedRect];
[self.view addSubview:button];
[button setTitle:@"开始动画" forState:UIControlStateNormal];
[button setTranslatesAutoresizingMaskIntoConstraints:NO];
NSArray *contraintButtonH=[NSLayoutConstraint constraintsWithVisualFormat:@"H:|-40-[button(>=100)]-40-|" options:0 metrics:nil views:NSDictionaryOfVariableBindings(button)];
NSArray *contraintButtonV=[NSLayoutConstraint constraintsWithVisualFormat:@"V:[button(30)]-20-[view]" options:0 metrics:nil views:NSDictionaryOfVariableBindings(button,view)];
[self.view addConstraints:contraintButtonH];
[self.view addConstraints:contraintButtonV];
[button addTarget:self action:@selector(didClickAnimationButton:) forControlEvents:UIControlEventTouchUpInside];
// Do any additional setup after loading the view, typically from a nib.
}

-(void)didClickAnimationButton:(UIButton *)button
{
//获取要承载动画的视图..
UIView *redView=[self.view viewWithTag:1001];
/*
//使用uiview类方法--1
[UIView animateWithDuration:0.25 delay:0 options:UIViewAnimationOptionCurveEaseInOut animations:^{
//视图的最终状态
CGFloat r=arc4random()%1000/1000.f;
CGFloat g=arc4random()%1000/1000.f;
CGFloat b=arc4random()%1000/1000.f;

redView.backgroundColor=[UIColor colorWithRed:r green:g blue:b alpha:1.0f];

//加旋转
// redView.transform=CGAffineTransformMakeRotation(M_PI_2*r);

} completion:^(BOOL finished) {
NSLog(@"finished....");
}];
*/

/*
//使用UIView类方法2
//开始设置动画
[UIView beginAnimations:nil context:nil];
//设置过渡效果是否从当前状态开始启动,否则为当前视图的最终状态开始启动
[UIView setAnimationBeginsFromCurrentState:YES];
//设置过渡效果的进度,慢入慢出,慢入,慢出,线性4中
[UIView setAnimationCurve:UIViewAnimationCurveEaseInOut];
//设置过渡效果对否延迟
[UIView setAnimationDelay:0];
//设置过渡效果的过渡时间
[UIView setAnimationDuration:0.25f];
//设置过渡效果是否自动恢复
[UIView setAnimationRepeatAutoreverses:YES];
//设置过渡效果是否重复出现
[UIView setAnimationRepeatCount:1.5];

//设置
[UIView setAnimationDelegate:self];
[UIView setAnimationWillStartSelector:@selector(animationStart)];
[UIView setAnimationDidStopSelector:@selector(animationStop)];

CGFloat x=arc4random()%100+100;
CGFloat y=arc4random()%100+100;
redView.center=CGPointMake(x, y );

// button.center=CGPointMake(x, y );
// [button layoutIfNeeded];
//提交过度动画效果
[UIView commitAnimations];

*/

/*
//使用quartzCore框架内的对象--3
//实例化过度对象
CATransition *animation=[CATransition animation];
//设置过度对象的时间
animation.duration=0.5f;
//设置过度对象的类型
animation.type=kCATransitionFade;
//设置过度对象的子类型
//animation.subtype=
[redView.layer addAnimation:animation forKey:nil];
redView.layer.opacity=0.0f;//设置透明度
*/

/*
CABasicAnimation *animation=[CABasicAnimation animationWithKeyPath:@"anchorPoint"];
// /设置过度对象的时间间隔
animation.duration=0.5f;
//设置过度对象的开始值
animation.fromValue=[NSValue valueWithCGPoint:CGPointMake(0.5, 0.5)];
animation.toValue=[NSValue valueWithCGPoint:CGPointMake(1.0, 1.0)];
//将过度对象添加到视图层上
[redView.layer addAnimation:animation forKey:nil];
//设置视图层的最终状态
redView.layer.anchorPoint=CGPointMake(1.0f, 1.0f);
*/

/*
// keyframe
CAKeyframeAnimation *animation=[CAKeyframeAnimation animationWithKeyPath:@"position"];
//设置过度对象时间间隔
animation.duration=1;
//设置过度对象的中间过度状态
CGMutablePathRef path = CGPathCreateMutable();
CGPathMoveToPoint(path, nil, 110, 200);
CGPathAddQuadCurveToPoint(path, nil, 150, 250, 200, 200);
animation.path=path;
//将过度对象添加到视图
[redView.layer addAnimation:animation forKey:nil];
*/

}

-(void)animationStart
{
NSLog(@"begin-------------------");
}
-(void)animationStop
{
NSLog(@"end--++++++++++++++++++++++++++++");
}