6
- (void)viewDidAppear:(BOOL)animated
{
[super viewDidAppear:animated];
CGRect viewRect = CGRectMake(250, 100, 30, 30);
as = [[UIImageView alloc] initWithFrame:viewRect];
as.backgroundColor=[UIColor clearColor];
UIImage *img = [UIImage imageWithContentsOfFile: [[NSBundle mainBundle] pathForResource:@"check" ofType:@"png"]];
[as setImage:img];
[self.view addSubview:as];
BOOL test= [[NSUserDefaults standardUserDefaults] boolForKey:@"switch"];
NSLog(@"%@", (test ? @"YES" : @"NO"));
if(test == YES)
{
as.hidden=NO;
}
else
{
as.hidden=YES;
}
}
的test
结果YES
但imageView
不听指挥.hidden
或更新每次当viewDidAppear
。如果它不是,当我重新启动应用程序,它消失,我把它变成是我展现完美,但经过后比我永远不会总是在那里我不能让它隐藏。 任何想法,为什么它没有反应?如何隐藏/显示UIimageview?