ios 关于动画用法的总结

 

#import "FirstVC.h"

@implementation FirstVC

/*

    创建xib过程

    1 创建xib(名字和类名相同)

    2 文件拥有者为类名

    3 和类的view连线

 */

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil

{

    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];

    if (self) {

        // Custom initialization

    }

    return self;

}

 

- (void)viewDidLoad

{

    [super viewDidLoad];

    // Do any additional setup after loading the view from its nib.

}

 

- (void)didReceiveMemoryWarning

{

    [super didReceiveMemoryWarning];

    // Dispose of any resources that can be recreated.

}

 

//UIView属性动画

- (IBAction)pressPropertyAnimation:(id)sender {

    //1 准备动画

    //参数1: 动画的作用, 用来区分多个动画, 参数二: 传递参数用 nil:OC中使用 NULL:C语言使用

    [UIView beginAnimations:@"改变大小" context:NULL];

    //在准备动画的时候可以设置动画的属性

    [UIView setAnimationDuration:2];//设置动画的持续时间

    [UIView setAnimationDelegate:self];

    [UIView setAnimationWillStartSelector:@selector(startAnimation)];

//    [UIView setAnimationDelay:1];//动画延迟执行时间

    [UIView setAnimationCurve:UIViewAnimationCurveEaseInOut];//动画的曲线

    [UIView setAnimationRepeatCount:20];//动画的重复次数

    [UIView setAnimationRepeatAutoreverses:YES];//动画往返执行, 必须设置动画的重复次数

    //2 修改view的属性, 可以同时修改多个属性 注意:不是所有的属性都可以修改的(只有frame, center, bounds, backgroundColor, alpha, transform 可以修改)

    self.changeView.frame = CGRectMake(110, 100, 100, 100);

//    self.changeView.backgroundColor = [UIColor brownColor];

    self.changeView.backgroundColor = [UIColor colorWithRed:arc4random() % 256 / 255.0 green:arc4random() % 256 / 255.0 blue:arc4random() % 256 / 255.0 alpha:0.5];

    //3 提交并执行动画

    [UIView commitAnimations];

}

//UIView过度动画

- (IBAction)pressTranstionAnimation:(id)sender {

    //1 准备动画

    [UIView beginAnimations:@"过度动画" context:NULL];

    [UIView setAnimationDuration:5];

    [UIView setAnimationRepeatCount:50];

    //2 设置过度样式

    //参数1: 过度样式, 参数2: 指定那个View做动画, 参数3: 是否设置缓存

    [UIView setAnimationTransition:UIViewAnimationTransitionFlipFromLeft forView:self.changeView cache:YES];

    self.changeView.backgroundColor = [UIColor colorWithRed:arc4random() % 256 / 255.0 green:arc4random() % 256 / 255.0 blue:arc4random() % 256 / 255.0 alpha:0.5];

    //3 提交并执行动画

    [UIView commitAnimations];

}

 

//Block动画

- (IBAction)pressBlockAnimation:(id)sender {

    //只有一行代码 Block动画实质是对UIView动画的封装

    //参数1:动画时长 参数2:Block: 设置要修改的View属性

    /*

    [UIView animateWithDuration:2 animations:^{

        self.changeView.backgroundColor = [UIColor orangeColor];

    }];

     */

    //第二种Block

    /*

    //参数1:动画时长 参数2:Block: 设置要修改的View属性 参数3: 动画完成时调用

    [UIView animateWithDuration:2 animations:^{

        self.changeView.backgroundColor = [UIColor orangeColor];

    } completion:^(BOOL finished) {

        //finished判断动画是否完成

        if (finished) {

            NSLog(@"finished");

        }

    }];

    */

    //第三种Block

    /*

    [UIView animateWithDuration:2 delay:1 options:UIViewAnimationOptionCurveEaseInOut animations:^{

//        设置要修改的View属性

        self.changeView.backgroundColor = [UIColor orangeColor];

    } completion:^(BOOL finished) {

        //finished判断动画是否完成

        if (finished) {

            NSLog(@"finished");

        }

    }];

     */

    //对过度动画的封装

    //参数1: 改变的View 参数2:动画时长 参数3:动画类型 参数4 Block: 设置要修改的View属性 参数5:完成后的操作

    [UIView transitionWithView:self.changeView duration:2 options:UIViewAnimationOptionTransitionFlipFromLeft animations:^{

        self.changeView.backgroundColor = [UIColor orangeColor];

    } completion:^(BOOL finished) {

        //finished判断动画是否完成

        if (finished) {

            NSLog(@"finished");

        }

    }];

}

 

#pragma mark - AnimationDelegate

//动画将要开始时调用

- (void)animationWillStart:(NSString *)animationID context:(void *)context

{

    NSLog(@"start: %@, %@", animationID, context);

}

 

//动画结束时调用

- (void)animationDidStop:(NSString *)animationID finished:(NSNumber *)finished context:(void *)context

{

    NSLog(@"stop: %@, %@", animationID, context);

}

 

- (void)startAnimation

{

    NSLog(@"self");

}

 

 

#import "SecondVC.h"

@implementation SecondVC

- (void)viewDidLoad

{

    [super viewDidLoad];

    


    NSLog(@"%@", NSStringFromCGRect(self.changeView.frame));

    NSLog(@"%f", CGRectGetWidth(self.changeView.frame));

    //UIView和CALayer的关系

    //UIView负责交互, frame以及显示CALayer

    //CALayer负责渲染, 并且它是UIView的一个readonly属性

    /*

    self.changeView.layer.cornerRadius = 100;//设置圆角, 参数是内切圆的半径, 若想画一个圆, 前提是view必须是正方形, 参数应该是view边长的一半

    self.changeView.layer.borderWidth = 1;//设置描边的宽度

    self.changeView.layer.borderColor = [UIColor orangeColor].CGColor;//设置描边的颜色(UIView上的颜色使用的是UIColor, CALayer上使用的颜色是CGColor)

    self.changeView.layer.shadowOffset = CGSizeMake(50, 100);//设置阴影的偏移量 width影响水平偏移(正右负左), height影响垂直偏移(正下负上)

    self.changeView.layer.shadowColor = [UIColor grayColor].CGColor;//阴影的偏移的颜色

    self.changeView.layer.shadowOpacity = 1;//阴影的不透明度, 取值范围(0 ~ 1), 默认是0, 就是透明的

     */

//    CAAnimation抽象类, 使用必须要使用其具体的子类

//    CAPropertyAnimation抽象子类, 需要子类化

//    CABasicAnimation

//    CAKeyframeAnimation

}

 

- (void)didReceiveMemoryWarning

{

    [super didReceiveMemoryWarning];

    // Dispose of any resources that can be recreated.

}

 

- (void)dealloc {

    [_changeView release];

    [super dealloc];

}

//CABasicAnimation基本动画 没有真正的修改属性值

- (IBAction)pressBasicAnimation:(id)sender {

    //1 创建并指定要修改的属性

//    KeyPath:CAlayer的属性名, 不是所有的属性都可以, 只有在头文件中出现animatable的属性才可以, 可以修改属性的属性, 例如:bounds.size

//    CALayer

    CABasicAnimation *basic = [CABasicAnimation animationWithKeyPath:@"bounds"];

    [basic setDuration:2];

    //2 修改属性值

    basic.fromValue = [NSValue valueWithCGRect:CGRectMake(0, 0, self.changeView.bounds.size.width, self.changeView.bounds.size.height)];

    basic.toValue = [NSValue valueWithCGRect:CGRectMake(0, 0, 300, 300)];

//    basic.byValue = 

    //3 添加动画

    //key做区分动画用

    [self.changeView.layer addAnimation:basic forKey:@"changColor"];

}

 

//CAKeyframeAnimation关键帧动画

- (IBAction)pressKeyFrameAnimation:(id)sender {

    /*

    //1 创建动画

    CAKeyframeAnimation *keyFrame = [CAKeyframeAnimation animationWithKeyPath:@"bounds"];

    [keyFrame setDuration:2];

    //2 修改属性

    keyFrame.values = @[[NSValue valueWithCGRect:CGRectMake(0, 0, self.changeView.bounds.size.width, self.changeView.bounds.size.height)], [NSValue valueWithCGRect:CGRectMake(0, 0, 250, 250)], [NSValue valueWithCGRect:CGRectMake(0, 0, 300, 300)]];

//    keyTimes:值代表了出现动画的时刻, 值得范围是0~1, 值必须是递增的, keyTimes和values是一一对应的

    keyFrame.keyTimes = @[@(0.4), @(0.6), @(1)];

    //3 添加动画

    [self.changeView.layer addAnimation:keyFrame forKey:@"keyFrame"];

    */

    CAKeyframeAnimation *keyFrame = [CAKeyframeAnimation animationWithKeyPath:@"backgroundColor"];

    [keyFrame setDuration:10];

    keyFrame.values = @[(id)[UIColor redColor].CGColor, (id)[UIColor orangeColor].CGColor, (id)[UIColor yellowColor].CGColor, (id)[UIColor greenColor].CGColor, (id)[UIColor blueColor].CGColor];

    //keyTimes中的第一个值是0, 不能修改

    keyFrame.keyTimes = @[@(0.3), @(0.5), @(0.6), @(0.7), @(0.9)];

    [self.changeView.layer addAnimation:keyFrame forKey:nil];

}

 

//    CATransaction 过度动画

- (IBAction)pressTransition:(id)sender {

    //1 创建

    CATransition *transition = [CATransition animation];

    [transition setDuration:2];

    //2 设置过度样式

    transition.type = kCATransitionReveal;//控制样式

    transition.subtype = kCATransitionFromTop;//控制方向

    //添加动画

    [self.changeView.layer addAnimation:transition forKey:nil];

}

 

//    CAAnimationGroup 组动画

- (IBAction)pressAnimationGroup:(id)sender {

     

    //1 创建并指定要修改的属性

    //    KeyPath:CAlayer的属性名, 不是所有的属性都可以, 只有在头文件中出现animatable的属性才可以, 可以修改属性的属性, 例如:bounds.size

    //    CALayer

    CABasicAnimation *basic = [CABasicAnimation animationWithKeyPath:@"bounds"];

    [basic setDuration:2];

    //2 修改属性值

    basic.fromValue = [NSValue valueWithCGRect:CGRectMake(0, 0, self.changeView.bounds.size.width, self.changeView.bounds.size.height)];

    basic.toValue = [NSValue valueWithCGRect:CGRectMake(0, 0, 300, 300)];

     

    CAKeyframeAnimation *keyFrame = [CAKeyframeAnimation animationWithKeyPath:@"backgroundColor"];

    [keyFrame setDuration:5];

    keyFrame.values = @[(id)[UIColor redColor].CGColor, (id)[UIColor orangeColor].CGColor, (id)[UIColor yellowColor].CGColor, (id)[UIColor greenColor].CGColor, (id)[UIColor blueColor].CGColor];

    //keyTimes中的第一个值是0, 不能修改

    keyFrame.keyTimes = @[@(0.3), @(0.5), @(0.6), @(0.7), @(0.9)];

     

     

     

    // 创建

    //当group动画的时长 > 组中所有动画的最长时长, 动画的时长以组中最长的时长为准

    //当group动画的时长 < 组中所有动画的最长时长, 动画的时长以group的时长为准

    //最合适: group的时长 = 组中所有动画的最长时长

    CAAnimationGroup *group = [CAAnimationGroup animation];

    [group setDuration:10];

    //设置组动画

    group.animations = @[basic, keyFrame];

    //添加动画

    [self.changeView.layer addAnimation:group forKey:nil];

}

@end