objective-c - 无法在名称为“SecondViewController”的捆绑包中加载 NIB

Question

我正在尝试将 Navigator Controller 推送到另一个视图控制器，但我不断收到错误消息，提示无法加载 nib 包名称。这是我正在使用的代码：

SecondViewController *vc1 = [[SecondViewController alloc]
      initWithNibName:NSStringFromClass([SecondViewController class]) bundle:Nil];
[self.navigationController pushViewController:vc1 animated:YES];

Answer 1

您必须传递 nib 文件的名称，而不是类名：

// Assuming there is a properly set up SecondViewController.xib in your project.
SecondViewController *vc1 = [[SecondViewController alloc] 
                            initWithNibName:@"SecondViewController" bundle:nil];
[self.navigationController pushViewController:vc1 animated:YES];

编辑：

如果你使用 Storyboards，你必须以不同的方式加载你的 GUI：

UIStoryboard *sboard = [UIStoryboard storyboardWithName:@"StoryboardFileName" 
                                                 bundle:nil];
SecondViewController *vc1 = [sboard instantiateInitialViewController];