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我现在有一个从阵列滚动视图加载图像,这里是我的代码:的UIScrollView没有显示第一对象
icons = [[NSMutableArray alloc]initWithObjects:[UIImage imageWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"one" ofType:@"png"]], [UIImage imageWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"two" ofType:@"png"]], [UIImage imageWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"three" ofType:@"png"]],nil];
int numberOfItems = [icons count];
NSLog(@"Number of objects: %i",numberOfItems);
for (int i = 0; i < numberOfItems; i++) {
if (i <= 3) {
finalFrame = CGRectMake(i*(80), 12, 80, 80);
}
UIButton *iconButton = [UIButton buttonWithType:UIButtonTypeCustom];
iconButton = [UIButton buttonWithType:UIButtonTypeCustom];
iconButton.frame = CGRectMake(0, 0, 57, 57);
iconButton.center = CGPointMake(40, 29);
iconButton.imageView.contentMode = UIViewContentModeScaleToFill;
[iconButton addTarget:self action:@selector(selected:) forControlEvents:UIControlEventTouchUpInside];
iconButton.tag = i;
dispatch_queue_t queue = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_HIGH, 0ul);
dispatch_async(queue, ^{
UIImage *icon = [icons objectAtIndex:i];
dispatch_sync(dispatch_get_main_queue(), ^{
[iconButton setImage:icon forState:UIControlStateNormal];
});
});
[sub addSubview:iconButton];
sub = [[UIView alloc] initWithFrame:finalFrame];
[scrollView addSubview:sub];
}
的NSLog的读取3个对象,但我的滚动视图只显示他们的2,什么是我做错了?
是您的代码给对象的权数? – 2013-04-08 06:18:33
是的,日志读取数组中的三个对象,其中有。 – 2013-04-08 21:33:47