xcode 将 XIB 中定义的 UIView 加载到 UIView 中
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Load UIView defined in XIB into UIView
提问by itsame69
following a post presented here, I tried to load a view defined in a XIB file into a view, currently being displayed. Basically, what I want to do is to replace the middle view (see screenshot below) with a different view when the user clicks on the button.
按照此处介绍的帖子，我尝试将在 XIB 文件中定义的视图加载到当前正在显示的视图中。基本上，我想要做的是当用户单击按钮时用不同的视图替换中间视图（见下面的截图）。
This is the simple view I want to load into the middle view:
这是我想加载到中间视图的简单视图：
And this is the source code of the ViewController:
这是 ViewController 的源代码：
ViewController.h #import
ViewController.h #import
@interface ViewController : UIViewController
@property (strong, nonatomic) IBOutlet UIButton *loadxibButton;
@property (strong, nonatomic) IBOutlet UIView *middleView;
- (IBAction)buttonClicked:(id)sender;
@end
ViewController.m #import "ViewController.h"
ViewController.m #import "ViewController.h"
@interface ViewController ()
@end
@implementation ViewController
- (void)viewDidLoad
{
[super viewDidLoad];
}
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
}
- (IBAction)buttonClicked:(id)sender {
NSLog(@"click...");
NSArray *nibObjects = [[NSBundle mainBundle] loadNibNamed:@"NewMiddleContent" owner:self options:nil];
UIView *nibView = [nibObjects objectAtIndex:0];
self.middleView= nibView;
}
@end
When I click on the button, nothing happens, i.e. the new view will not be displayed. Can anybody please help?
当我单击按钮时，什么也没有发生，即不会显示新视图。有人可以帮忙吗？
Thanks a lot Christian
非常感谢基督徒
采纳答案by Phillip Mills
Your view controller has a viewproperty which, presumably, has three subviews (left, middle, and right). Instead of just setting a middleViewproperty in your controller, your strategy should be to update the primary view's subviews array (removing the one that's to be replaced and inserting the new one).
您的视图控制器有一个view属性，大概有三个子视图（左、中和右）。不是仅仅middleView在控制器中设置一个属性，您的策略应该是更新主视图的子视图数组（删除要替换的子视图并插入新的子视图）。
回答by itsame69
Phillip, thanks a lot!
菲利普，非常感谢！
Instead of
代替
- (IBAction)buttonClicked:(id)sender {
NSArray *nibObjects = [[NSBundle mainBundle] loadNibNamed:@"NewMiddleContent" owner:self options:nil];
UIView *nibView = [nibObjects objectAtIndex:0];
self.middleView= nibView;
}
I now use this code:
我现在使用这个代码：
- (IBAction)buttonClicked:(id)sender {
NSArray *nibObjects = [[NSBundle mainBundle] loadNibNamed:@"NewMiddleContent" owner:self options:nil];
UIView *nibView = [nibObjects objectAtIndex:0];
nibView.frame = CGRectMake(261, 0, 532, 748);
[[[self view] viewWithTag:2] removeFromSuperview];
[[self view] addSubview:nibView];
}
Is this want you meant, i.e. is this like "best practice"?
这是您的意思，即这是否类似于“最佳实践”？
Bye Christian
再见基督徒
