iOS --- 动画

 // UIView动画 第一种方式 参数：时间间隔
    
    [UIView animateWithDuration:3 animations:^{
        self.aView.frame = CGRectMake(200, 400, 100, 100);
        self.aView.backgroundColor = [UIColor redColor];
        self.aView.alpha = 0.2;
        
    }];
    
    // UIView动画 第二种方式 --- 先在规定的
    
    [UIView animateWithDuration:3 animations:^{
        self.aView.frame = CGRectMake(200, 400, 100, 100);
        self.aView.backgroundColor = [UIColor redColor];
        self.aView.alpha = 0.2;
    } completion:^(BOOL finished) {
        [UIView animateWithDuration:3 animations:^{
             self.aView.frame = [UIScreen mainScreen].bounds;  
                }];
    }];
    
    // UIView动画三  动画的标识
    [UIView beginAnimations:nil context:nil];
    // 设置动画时间
     [UIView setAnimationDuration:0.1];
    // 设置动画重复的次数
     [UIView setAnimationRepeatCount:100];
    // 设置动画延迟时间
     [UIView setAnimationDelay:3];
    // 设置透明度
    self.aView.alpha = 0.1;
    // 提交动画
    /[UIView commitAnimations];

    // UIView 动画四
   
    [UIView transitionFromView:self.bView toView:self.aView duration:0.5 options:UIViewAnimationOptionAllowUserInteraction | UIViewAnimationOptionBeginFromCurrentState |UIViewAnimationOptionTransitionCurlUp completion:^(BOOL finished) {
       
        NSLog(@"哈哈");
    }];
   
    // UIView 动画五
  
    [UIView transitionWithView:self.view duration:1 options:UIViewAnimationOptionTransitionCrossDissolve animations:^{
        [self.bView removeFromSuperview];
        [self.view addSubview:self.aView];
    } completion:^(BOOL finished) {
        NSLog(@"afgadsfgdsag");
    }];
   
   
    

   // 动画6
   
    [UIView animateWithDuration:1 animations:^{
        // 旋转
        self.bView.transform = CGAffineTransformRotate(self.bView.transform, M_PI);
        // 放大缩小（在上一次的基础上）
        // self.bView.transform = CGAffineTransformScale(self.bView.transform, 0.5, 0.5);
        // 放大缩小（基于原始的fram 值执行一次）
        self.bView.transform = CGAffineTransformMakeScale(0.5, 0.5);
        self.bView.transform = CGAffineTransformMakeScale(0.5, 0.5);
        self.bView.transform = CGAffineTransformMakeScale(0.1, 0.1);
        
    }];



    // CABasicAnimation --- 基本layer动画，设置初始和结束执行动画
    // position
 
    CABasicAnimation *animation = [CABasicAnimation animationWithKeyPath:@"position"];
    // 起始值
    animation.fromValue = [NSValue valueWithCGPoint:CGPointMake(self.aView.frame.origin.x, self.aView.frame.origin.y)];
    
    
    
    animation.byValue = [NSValue valueWithCGPoint:CGPointMake(100, 0)];
    
    // 结束点
    animation.toValue = [NSValue valueWithCGPoint:CGPointMake(300, 500)];
    // 返回的时候---设置动画
    animation.autoreverses = YES;
    // 设置动画时间
    animation.duration = 3;
    // 重复动画的次数
    animation.repeatCount = 1;
    // 把动画添加到指定的view的layer层上
    [self.aView.layer addAnimation:animation forKey:@"bc"];
    
    CABasicAnimation *animation = [CABasicAnimation animationWithKeyPath:@"opacity"];
    // 起始值
    animation.fromValue = [NSNumber numberWithFloat:1.0];
    
    // 结束点
    animation.toValue = [NSNumber numberWithFloat:0.0];
    
    animation.autoreverses = YES;
    // 设置动画时间
    animation.duration = 1;
    // 重复动画的次数
    animation.repeatCount = 1;
    // 把动画添加到指定的view的layer层上
    [self.aView.layer addAnimation:animation forKey:@"bc"];
    
 
    CABasicAnimation *animation = [CABasicAnimation animationWithKeyPath:@"transform"];
    
    self.aView.transform = CGAffineTransformRotate(self.aView.transform, M_PI);
    // 放大缩小（在上一次的基础上）
    self.aView.transform = CGAffineTransformScale(self.aView.transform, 0.5, 0.5);
    
    // animation.byValue = [NSValue valueWithCGPoint:CGPointMake(100, 0)];
    
  
    // 返回的时候---设置动画
    // animation.autoreverses = YES;
    // 设置动画时间
    animation.duration = 3;
    // 重复动画的次数
    animation.repeatCount = 1;
    // 把动画添加到指定的view的layer层上
    [self.aView.layer addAnimation:animation forKey:@"bc"];

    
    // CAKeyFrameAnimation动画

    CAKeyframeAnimation *keyAnimation = [CAKeyframeAnimation animationWithKeyPath:@"position"];
    
    keyAnimation.values = @[
                            [NSValue valueWithCGPoint:CGPointMake(50, 100)],
                            [NSValue valueWithCGPoint:CGPointMake(50, 150)],
                            [NSValue valueWithCGPoint:CGPointMake(50, 200)],
                            [NSValue valueWithCGPoint:CGPointMake(50, 250)],
                            [NSValue valueWithCGPoint:CGPointMake(50, 300)],
                            [NSValue valueWithCGPoint:CGPointMake(50, 300)],
                            [NSValue valueWithCGPoint:CGPointMake(50, 300)],
                            [NSValue valueWithCGPoint:CGPointMake(100, 300)],
                            [NSValue valueWithCGPoint:CGPointMake(150, 300)],
                            [NSValue valueWithCGPoint:CGPointMake(200, 300)],
                            [NSValue valueWithCGPoint:CGPointMake(250, 300)],
                            [NSValue valueWithCGPoint:CGPointMake(300, 300)],
                            [NSValue valueWithCGPoint:CGPointMake(350, 300)],
                            [NSValue valueWithCGPoint:CGPointMake(300, 250)],
                            [NSValue valueWithCGPoint:CGPointMake(300, 200)],
                            [NSValue valueWithCGPoint:CGPointMake(300, 150)],
                            [NSValue valueWithCGPoint:CGPointMake(300, 100)],
                            [NSValue valueWithCGPoint:CGPointMake(300, 50)],
                            [NSValue valueWithCGPoint:CGPointMake(250, 50)],
                            [NSValue valueWithCGPoint:CGPointMake(200, 300)],
                            [NSValue valueWithCGPoint:CGPointMake(150, 300)],
                            [NSValue valueWithCGPoint:CGPointMake(100, 250)],
                            [NSValue valueWithCGPoint:CGPointMake(50, 200)]
                            
                            ];
    // 返回的时候---设置动画
   keyAnimation.autoreverses = YES;
    // 设置动画时间
    keyAnimation.duration = 1;
    // 动画次数
    keyAnimation.repeatCount = 10;
    
    // [self.aView.layer addAnimation:keyAnimation forKey:@"bc"];
    
    
    // 移除动画
    // [self.aView.layer removeAllAnimations];
    // 移除指定的动画
    // [self.aView.layer removeAnimationForKey:@"bc"];
    

    
    // CATransition动画
    
    CATransition *tansitionAnimation = [CATransition animation];
    tansitionAnimation.type = @"push";
    tansitionAnimation.subtype = kCATransitionFromBottom;
    // tansitionAnimation.subtype = kCATransitionFromLeft;
    // 动画时间
    tansitionAnimation.duration = 1;
    
    //[self.aView.layer addAnimation:tansitionAnimation forKey:@"transition"];
    
    
    // CAAnimationGroup组动画
   
    CAAnimationGroup *groupAnimation = [CAAnimationGroup animation];
    groupAnimation.animations = @[tansitionAnimation];
    
    // groupAnimation.duration = 10;
    [self.aView.layer addAnimation:groupAnimation forKey:@"group"];