#import "ViewController.h"
#define IMAGE_COUNT 6
@interface ViewController ()
{
UIImageView *myImageView;
int currentIndex;
}
@end
@implementation ViewController
- (void)viewDidLoad
{
[super viewDidLoad];
myImageView=[[UIImageView alloc]init];
myImageView.frame=[UIScreen mainScreen].applicationFrame;
myImageView.contentMode=UIViewContentModeScaleAspectFit;
myImageView.image=[UIImage imageNamed:@"1"];
[self.view addSubview:myImageView];
UISwipeGestureRecognizer *leftGesture=[[UISwipeGestureRecognizer alloc]initWithTarget:self action:@selector(leftSwipe:)];
leftGesture.direction=UISwipeGestureRecognizerDirectionLeft;
[self.view addGestureRecognizer:leftGesture];
UISwipeGestureRecognizer *rightGesture=[[UISwipeGestureRecognizer alloc]initWithTarget:self action:@selector(rightSwipe:)];
leftGesture.direction=UISwipeGestureRecognizerDirectionLeft;
[self.view addGestureRecognizer:rightGesture];
}
-(void)leftSwipe:(UISwipeGestureRecognizer *)gesture
{
[self transitionAnimation:YES];
}
-(void)rightSwipe:(UISwipeGestureRecognizer *)gesture
{
[self transitionAnimation:NO];
}
-(void)transitionAnimation:(BOOL)isNext
{
CATransition *transition=[[CATransition alloc]init];
transition.type=@"cube";
if (isNext) {
transition.subtype=kCATransitionFromRight;
}
else
{
transition.subtype=kCATransitionFromLeft;
}
transition.duration=2.0f;
myImageView.image=[self getImage:isNext];
[myImageView.layer addAnimation:transition forKey:@"KCTransitionAnimation"];
}
-(UIImage *)getImage:(BOOL)isNext
{
if(isNext)
{
currentIndex=(currentIndex+1)%IMAGE_COUNT;
}
else
{
currentIndex=(currentIndex-1+IMAGE_COUNT)%IMAGE_COUNT;
}
NSString *imageName=[NSString stringWithFormat:@"%d",currentIndex];
return [UIImage imageNamed:imageName];
}
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
}
@end
