OC动画：CAAnimationGroup

        //贝塞尔曲线路径
        UIBezierPath *movePath = [UIBezierPath bezierPath];
         [movePath moveToPoint:CGPointMake(10.0, 10.0)];
         [movePath addQuadCurveToPoint:CGPointMake(100, 300) controlPoint:CGPointMake(300, 100)];
    
        //以下必须导入QuartzCore包
     　　//关键帧动画（位置）
         CAKeyframeAnimation * posAnim = [CAKeyframeAnimation animationWithKeyPath:@"position"];
         posAnim.path = movePath.CGPath;
         posAnim.removedOnCompletion = YES;
    
         //缩放动画
         CABasicAnimation *scaleAnim = [CABasicAnimation animationWithKeyPath:@"transform"];
         scaleAnim.fromValue = [NSValue valueWithCATransform3D:CATransform3DIdentity];
         scaleAnim.toValue = [NSValue valueWithCATransform3D:CATransform3DMakeScale(0.5, 0.5, 0.1)];

        scaleAnim.removedOnCompletion = YES;
    
         //透明动画
         CABasicAnimation *opacityAnim = [CABasicAnimation animationWithKeyPath:@"alpha"];
         opacityAnim.fromValue = [NSNumber numberWithFloat:1.0];
         opacityAnim.toValue = [NSNumber numberWithFloat:0.1];
         opacityAnim.removedOnCompletion = YES;
    
         //动画组
         CAAnimationGroup *animGroup = [CAAnimationGroup animation];
         animGroup.animations = [NSArray arrayWithObjects:posAnim, scaleAnim, opacityAnim, nil];
         animGroup.duration = 1;
    
         [redView.layer addAnimation:animGroup forKey:nil];