- (void)viewDidLoad {

    [super viewDidLoad];

    _imageArray= [[NSMutableArrayalloc]init];

    for(inti =1;  i <10; i ++) {

        NSString*imageName = [NSStringstringWithFormat:@"%d.jpg",i];

        UIImage*image = [UIImageimageNamed:imageName];

        [_imageArrayaddObject:image];

    }

    _imageView.image = _imageArray[0];

}

- (IBAction)tapAction:(id)sender {

    _index++;

    if (_index == _imageArray.count) {

        _index=0;

    }

    _imageView.image = _imageArray[_index];

    //添加转场动画

    CATransition*transition = [[CATransitionalloc]init];

    //设置属性

    /*st kCATransitionFade

     st kCATransitionMoveIn

     st kCATransitionPush

     st kCATransitionReveal*/

    //设置动画类型

   // transition.type =  kCATransitionReveal;

    /*kCATransitionFromRight

     kCATransitionFromLeft

     kCATransitionFromTop

     kCATransitionFromBottom*/

    //设置动画的方向

    ////私有：rippleEffect  水滴、cube立方体翻转、suckEffect收起效果

    transition.type=@"rippleEffect";

    transition.subtype=  kCATransitionFromRight;

    transition.duration=1;

    [_imageView.layeraddAnimation:transitionforKey:nil];

}

    //自定义push动画

SecondViewController *secondCtrl = [[SecondViewController alloc] init];

    CATransition*transition = [[CATransitionalloc]init];

//    transition.duration = 1;

    transition.type=@"rippleEffect";

    transition.subtype = kCATransitionFromTop;

    [self.navigationController.view.layer  addAnimation:transition forKey:nil];

    [self.navigationController pushViewController:secondCtrl animated:NO];