[英]Trying to add a UIButton to a UIView but getting NSInvalidArgumentException', reason: '-[UIView addSubView:]: unrecognized
[英]UIButton not Working when the UIview is presented by addsubView
我已将另一个视图控制器添加到viewcontroller视图,
addsubview工作正常,但下一个视图中的按钮操作无效。
崩溃时出错[ModelViewController performSelector:withObject:withObject:]:消息发送到解除分配的实例0xa81d960
在View1:当前视图控制器UsersViewController类中
-(IBAction)openModelView:(id)sender
{
ModelViewController *modelView= [self.storyboard instantiateViewControllerWithIdentifier:@"ModelViewController"];
[self.view addSubview:modelView.view];
}
在View 2 ModelViewController类中
-(IBAction)dismissModelView:(id)sender
{
NSLog(@"ddddddde");
//[self.view removeFromSuperview];
[self.view removeFromSuperview];
}
使用presentViewConroller [self presentViewController:modelView animated:NO completion:nil]
* 效果很好 *,
但我需要在背景中显示第一个视图,部分透明
这是范围问题,只需将子控制器添加到根视图控制器以避免崩溃。
self.view addSubview:modelView.view];
[self addChildViewController:modelView];
-(IBAction)openModelView:(id)sender
{
ModelViewController *modelView= [self.storyboard instantiateViewControllerWithIdentifier:@"ModelViewController"];
[self.view addSubview:modelView.view];
[self addChildViewController:modelView];
}
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