Iphone 将从nib加载的子视图添加到帧中

我想在单击按钮时将nib文件中的视图添加为主视图的子视图，但它必须位于帧中（0108320351）。我尝试了以下代码：

-(IBAction) displayJoinmeetup:(id)sender  
{  
  [meetups removeFromSuperview]; //removing the older view   
  CGRect myFrame = CGRectMake(0, 108,320,351);  
  [joinmeetup initWithFrame:myFrame];  //joinmeetup declared in header file as IBoutlet UIView*joinmeetup     
  [self.view addSubview:joinmeetup];    
} 

---

这只显示一个空白屏幕，否则，如果我删除子视图显示的覆盖整个屏幕的框架，我如何才能正确执行此操作？

对于从nib加载的视图，不会调用initWithFrame。有关详细信息，请参见UIView类参考。

---

您需要在interface builder（inspector）中设置视图大小属性。

您可以按如下方式尝试：

-(IBAction) displayJoinmeetup:(id)sender
{
if(meetups)
{
[meetups removeFromSuperview]; //removing the older view
//also here you should release the meetups, if it is allocated
meetups = nil;
}

UIView *tempView = [[UIView alloc] initWithFrame:CGRectMake(0, 108,320,351)];
joinmeetup = tempView;
[tempView release];
[self.view addSubview:joinmeetup];

}

---

你不应该叫它init。。。在对象被创建后对其执行。如果您可以更改设置，则会有一个设置程序。在这种情况下，它是setFrame：

-(IBAction) displayJoinmeetup:(id)sender {  
    [meetups removeFromSuperview]; //removing the older view   
    CGRect myFrame = CGRectMake(0, 108,320,351);  
    [joinmeetup setFrame:myFrame];  //joinmeetup declared in header file as IBoutlet UIView*joinmeetup     
    [self.view addSubview:joinmeetup];    
}

---

我建议你试试这个：

[joinmeetup setFrame:CGRectMake(0, 108,320,351)];
[self.view addSubview:joinmeetup];

---

框架是在UIView中声明的属性