Question

我从其他UIViewController访问UIView时遇到问题。在我阅读时，您可以通过这种方式轻松访问类中的方法。从一个名为AViewController的ViewController调用：

ProfileViewController *ChangeAvatar = [[ProfileViewController alloc] init];
[ChangeAvatar ChangingAvatar:image];

所以在我的ProfileViewController中，我有一个在.h / .m中声明的方法，如

-(void)ChangingAvatar:(UIImage *)image {

  NSLog(@"Changing AVATAR!"); //This executes so I see it in console

  [avatarView removeFromSuperview]; //This code seems not to work
  [avatarView setHidden:YES]; //This code seems not to work neither
  avatarView.alpha = 0.0f; //This code seems not to work neither

//I tried adding but didn't work. Like: 
  imgView = [[UIImageView alloc] init];
  imgView.frame = CGRectMake(self.view.bounds.size.width/2-100, self.view.bounds.size.height/2-150, 200, 200);
  imgView.image = image;

  [self.view addSubview:imgView];
  [self.view bringSubviewToFront:imgView];

}

所以我的问题是，我怎么可能执行NSLog，但不能删除，隐藏或更改ProfileViewController.view中的alpha？有什么想法吗？

从另一个没有响应的UIViewController中删除，隐藏或更改UIView的Alpha？ iOS版

0 个答案: