Xcode：为什么我要使用presentModalViewcontroller获取SIGABRT消息？

我想切换到另一个viewController。我的视图上有一个UIButton，UIButton有一个UILongPressGestureRecognitor，使用以下代码：

UILongPressGestureRecognizer *buttonLongPressRecognizer;
buttonLongPressRecognizer = [[UILongPressGestureRecognizer alloc] initWithTarget:self action:@selector(LoadButtonSettings:)];

buttonLongPressRecognizer.numberOfTouchesRequired = 1;
buttonLongPressRecognizer.minimumPressDuration = 2.0;

[NewButton addGestureRecognizer:buttonLongPressRecognizer];

我用于切换ViewController的操作如下：

- (IBAction)LoadButtonSettings:(id)sender {

[ButtonSettingsViewController setModalTransitionStyle:UIModalTransitionStyleFlipHorizontal];

[self presentViewController:ButtonSettingsViewController animated:YES completion:NULL];

}

问题是，当我长按按钮时，我的应用程序崩溃，并给我一个SIGABRT错误。奇怪的是，这只发生在我的iPhone上，而不是模拟器上

我也尝试过使用

    [self presentModalViewController:ButtonSettingsViewController animated:YES];

也有同样的问题。据我所知，SIGABRT意味着内存有问题，我不理解，因为自动参考计数器是开启的

有没有办法解决这个问题

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提前感谢：）

如果ButtonSettingsViewController是视图控制器的类型，则需要首先对其进行初始化：

- (IBAction)LoadButtonSettings:(id)sender {
    // init & alloc - Replace with your custom view controllers initialization method (if applicabale)
    ButtonSettingsViewController *viewController = [[ButtonSettingsViewController alloc] initWithNibNamed:@"ButtonSettingsViewController" bundle:nil];

    [viewController setModalTransitionStyle:UIModalTransitionStyleFlipHorizontal];
    [self presentViewController:viewController animated:YES completion:NULL];
}

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presentModalViewController:动画：需要视图控制器对象。您正在向它传递一个类（ButtonSettingsViewController）。首先实例化视图控制器对象：

ButtonSettingsViewController *viewControllerObject = [[ButtonSettingsViewController alloc] initWithNibName:@"ButtonSettingsViewController" bundle:nil];

viewControllerObject.modalTransitionStyle = UIModalTransitionStyleFlipHorizontal;

然后设置该视图控制器对象的modalTransitionStyle属性：

ButtonSettingsViewController *viewControllerObject = [[ButtonSettingsViewController alloc] initWithNibName:@"ButtonSettingsViewController" bundle:nil];

viewControllerObject.modalTransitionStyle = UIModalTransitionStyleFlipHorizontal;

然后提出：

[self presentModalViewController:viewControllerObject animated:YES];

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是的，我刚刚意识到这是因为我在ViewDidLoad中初始化了它。。。但非常感谢：Dyeah刚刚意识到这是因为我在ViewDidLoad中初始化了它。。。但是非常感谢你：D