基础动画与关键帧动画

#define kScreenWidth [UIScreen mainScreen].bounds.size.width
#define kScreenHeight [UIScreen mainScreen].bounds.size.height
@interface ViewController ()

@property(strong,nonatomic)UIView  *label;
@property(strong,nonatomic)UIView  *secondView;

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    self.view.backgroundColor = [UIColor cyanColor];

    self.label = [[UIView alloc]initWithFrame:CGRectMake(0, 0, 100, 100)];
    self.label.center = CGPointMake(kScreenWidth/2, 100);

    self.label.backgroundColor = [UIColor redColor];

    [self.view addSubview:self.label];

    self.secondView = [[UIView alloc]initWithFrame:CGRectMake(0, 0, 150, 150)];
    self.secondView.backgroundColor = [UIColor yellowColor];

}

UIView基础动画一

- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event{

    [UIView transitionFromView:self.label toView:self.secondView duration:4 options:(UIViewAnimationOptionTransitionFlipFromLeft) completion:^(BOOL finished) {
       // 动画完成后执行此处代码
        [UIView transitionFromView:self.secondView toView:self.label duration:4 options:(UIViewAnimationOptionTransitionFlipFromLeft) completion:^(BOOL finished) {
        
            // 动画完成后执行此处代码
        }];
    }];
}

效果展示0.gif

- (IBAction)Action0:(id)sender {
        // 设置动画将要开始执行的操作
    [UIView setAnimationWillStartSelector:@selector(willStartAction)];

    {
        // center frame bounds backgroundColor alpha transform
        self.label.center = CGPointMake(kScreenWidth/2, 400);
        self.label.backgroundColor = [UIColor purpleColor];
        self.label.transform = CGAffineTransformMakeScale(2, 2);//缩放比例为原来大小的二倍
    }
    // <提交动画(结束动画过程)>
    [UIView commitAnimations];
}
- (void)willStartAction{

    NSLog(@"动画将要开始执行此方法。。。");
}

效果展示1.gif

- (IBAction)Action1:(id)sender {
     // <开始动画>
     [UIView beginAnimations:@"center" context:nil];
 
     // 设置动画持续时间(默认0.5秒)
     [UIView setAnimationDuration:2];
     // 设置动画延时启动
     [UIView setAnimationDelay:0];
     // 动画反转（移动到指定位置然后返回原位）
     [UIView setAnimationRepeatAutoreverses:YES];
     // 设置重复次数
     [UIView setAnimationRepeatCount:1];
 
     // 1.1设置代理(此代理无需遵循协议)
     [UIView setAnimationDelegate:self];
     // 1.2设置动画结束后的操作
     [UIView setAnimationDidStopSelector:@selector(endAction)];
}
- (void)endAction{
    self.label.center = CGPointMake(kScreenWidth/2, 100);
    self.label.transform = CGAffineTransformMakeScale(0.5, 0.5);
    NSLog(@"动画结束时执行此方法。。。");
}

效果展示2.gif

- (IBAction)Action2:(id)sender {
     [UIView beginAnimations:nil context:nil];

     [UIView setAnimationDuration:2];
 
     CGFloat y = self.label.center.y;
     y += 30;
     //    self.label.center = CGPointMake(kScreenWidth/2, y);
     // 缩放
     // 基于初始状态
     //    self.label.transform = CGAffineTransformMakeScale(2, 2);
     // 基于上一次状态
     self.label.transform = CGAffineTransformScale(self.label.transform, 0.99, 1.05 );
     // 平移
     self.label.transform = CGAffineTransformTranslate(self.label.transform, 0, -10);
     // 旋转
     self.label.transform = CGAffineTransformRotate(self.label.transform, M_1_PI);
 
     [UIView commitAnimations];
}

效果展示3.gif

UIView基础动画二

- (IBAction)Action3:(id)sender {
     // <1>
     [UIView animateWithDuration:2 animations:^{
         self.label.alpha = 0;     
     }];
    [UIView animateWithDuration:2 animations:^{
        self.label.alpha = 1;
    }];
}

效果展示4.gif

- (IBAction)Action4:(id)sender {
     // <2>
     [UIView animateWithDuration:2 animations:^{
 
     // 在动画过程中，若想使视图缩小，尽量不要使用bounds
     // 采用transform的缩放操作来完成
     self.label.bounds = CGRectMake(0, 0, 300, 100);
    }completion:^(BOOL finished) {
     self.label.bounds = CGRectMake(0, 0, 100, 100);
     NSLog(@"动画完成后执行此方法");
     }];  
}

效果展示5.gif

- (IBAction)Action5:(id)sender {
    //<3>
     [UIView animateWithDuration:3 delay:0 options:UIViewAnimationOptionCurveEaseOut animations:^{
     // 动画的主体部分
     self.label.frame = CGRectMake(300, 100, 50, 50);
     } completion:^(BOOL finished) {
     // 动画完成后执行的代码
 
     }];
}

效果展示6.gif

- (IBAction)Action6:(id)sender {
    // <4>spring动画：iOS中，官方使用最多的动画类型。
    // 1.动画持续时间
    // 2.动画延迟时间
    // 3.阻尼系数
    // 4.初速度
    // 5.动画选项
    // 6.动画主体内容
    // 7.动画完成后执行的内容
     [UIView animateWithDuration:1 delay:0 usingSpringWithDamping:0.9 initialSpringVelocity:10 options:(UIViewAnimationOptionCurveEaseOut) animations:^{
 
     //        self.label.center = CGPointMake(kScreenWidth/2, 400);
 
     self.label.transform = CGAffineTransformMakeScale(0.8, 0.8);
     } completion:^(BOOL finished) {

     }];  
}

效果展示7.gif

关键帧动画

- (IBAction)Action7:(id)sender {

     [UIView animateKeyframesWithDuration:4 delay:0 options:(UIViewKeyframeAnimationOptionCalculationModeCubicPaced) animations:^{
 
     // 第一帧动画
     // RelativeStartTime：开始时间相对于总动画时长的系数
     // relativeDuration：动画时间相对于总动画时长的系数
     // 以上两值范围都是（0~1）
     [UIView addKeyframeWithRelativeStartTime:0 relativeDuration:0.5 animations:^{
 
     self.label.center = CGPointMake(200, 200);
     }];
 
     [UIView addKeyframeWithRelativeStartTime:0.5 relativeDuration:0.5 animations:^{
 
     self.label.center = CGPointMake(300, 300);
     }];
 
     } completion:^(BOOL finished) {
 
     NSLog(@"动画完成后");
     }];
}

效果展示8.gif

- (IBAction)Action8:(id)sender {
     // <开始动画>
     [UIView beginAnimations:nil context:nil];
 
     // 设置动画持续时间
     [UIView setAnimationDuration:1];
     //    [UIView setAnimationRepeatAutoreverses:YES];
     [UIView setAnimationRepeatCount:10];
 
     // 缩放
     self.label.transform = CGAffineTransformScale(self.label.transform, 1.2, 1.5);
     // 旋转
     self.label.transform = CGAffineTransformRotate(self.label.transform, M_PI*3);

     // <提交动画>
     [UIView commitAnimations];
 
}

效果展示9.gif