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Iphone ViewController转换故障_Iphone_Ios_Xcode_Uiviewcontroller - Fatal编程技术网

Iphone ViewController转换故障

Iphone ViewController转换故障,iphone,ios,xcode,uiviewcontroller,Iphone,Ios,Xcode,Uiviewcontroller,以下是我的当前代码: (IBAction)signup:(id)sender { SignUp *signUp = [[SignUp alloc] init]; signUp.modalTransitionStyle = UIModalTransitionStyleFlipHorizontal; [self presentViewController:signUp animated:YES]; 我只是在底线上犯了一个错误。它的内容是:“没有可见的@interface for'loginView

以下是我的当前代码:

(IBAction)signup:(id)sender {
SignUp *signUp = [[SignUp alloc] init];
signUp.modalTransitionStyle = UIModalTransitionStyleFlipHorizontal;
[self presentViewController:signUp animated:YES];
我只是在底线上犯了一个错误。它的内容是:“没有可见的@interface for'loginView'delcares选择器'presentViewController:animated'

这是我不明白的…我作为
UIViewController
类的孩子与
loginView
接口…这就是
presentViewController
声明的地方。为什么它告诉我它找不到任何东西,我如何修复它


提前谢谢!

您确定
ui-viewcontroller
中声明了
presentViewController:animated:
?在我的文档中,它被列为
presentViewController:animated:completion:
。如果您没有任何事情要做,您可以有一个空的完成块

[self presentViewController:signup animated:YES completion:^(){}];

或者干脆通过[self-presentViewController:signup animated:YES completion:nil];