自动淡入淡出多张图片

Question

我很开心，需要帮助。 我与故事板一起工作，并希望在淡出的照片展示中自动淡入淡出。 问题是我有10个图像，现在不要如何编程。 我希望有人能帮助我。

Answer 1

mainImageView = [[UIImageView alloc]init]; 
    NSArray *animationArray = [NSArray arrayWithObjects:[UIImage imageNamed:@"first.png"],[UIImage imageNamed:@"second.png"],[UIImage imageNamed:@"third.png"],[UIImage imageNamed:@"fourth.png"],[UIImage imageNamed:@"fifth.png"],[UIImage imageNamed:@"sixth.png"],[UIImage imageNamed:@"seventh.png"],[UIImage imageNamed:@"eight.png"],[UIImage imageNamed:@"nine.png"],[UIImage imageNamed:@"ten.png"], nil]; //add your images here 
           [NSTimer scheduledTimerWithTimeInterval:0.5 target:self selector:@selector(crossfade) userInfo:nil repeats:YES]; 
    [mainImageView setFrame:CGRectMake(50,50,100,100)]; 
           mainImageView.animationImages = animationArray; //mainImageView is imageview 
           mainImageView.animationDuration = 10; 
           mainImageView.animationRepeatCount = 0; 
           [mainImageView startAnimating]; 


    [self.view addSubview:mainImageView]; 


    [super viewDidLoad]; 
    // Do any additional setup after loading the view, typically from a nib. 
} 

- (void)crossfade { 
    [UIView animateWithDuration:0.5 delay:0.0 options:UIViewAnimationOptionCurveEaseInOut animations:^{ 
             mainImageView.alpha = !mainImageView.alpha; 
            }completion:^(BOOL done){ 
            // 
       }]; 
}