Animate images in UIImageView

-(void)addImageViewWithAnimation{ 

   UIImageView *imgview = [[UIImageView alloc]      

    initWithFrame:CGRectMake(10, 10, 300, 400)]; // set an animation 

   imgview.animationImages = [NSArray arrayWithObjects: [UIImage 

       imageNamed:@"AppleUSA1.jpg"], [UIImage   

       imageNamed:@"AppleUSA2.jpg"], nil]; 

   imgview.animationDuration = 4.0; 

   imgview.contentMode = UIViewContentModeCenter; 

   [imgview startAnimating]; 

   

   [self.view addSubview:imgview]; 

}