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Ios6 当在iOS中传递捆绑包为nil时,不导航到其他视图控制器?_Ios6 - Fatal编程技术网

Ios6 当在iOS中传递捆绑包为nil时,不导航到其他视图控制器?

Ios6 当在iOS中传递捆绑包为nil时,不导航到其他视图控制器?,ios6,Ios6,我只想使用….> PhoneDialer*PhoneDialer=[[PhoneDialer alloc]initWithNibName:@“PhoneDialer”捆绑包:nil]; [self.navigationController pushViewController:phoneDialer动画:是]; [电话拨号器释放] But App is crashing on navigation in iOS6.(not in iOS7) in Xcode 5.1.1 崩溃报告--

我只想使用….>

PhoneDialer*PhoneDialer=[[PhoneDialer alloc]initWithNibName:@“PhoneDialer”捆绑包:nil]; [self.navigationController pushViewController:phoneDialer动画:是]; [电话拨号器释放]

   But App is crashing on navigation in iOS6.(not in iOS7) in Xcode 5.1.1  
崩溃报告-->'-[\uu NSCFString appendString:]:nil参数'

请帮帮我


谢谢,

我认为在PhoneDialer的viewDidload方法中,您添加了一些字符串,该字符串为空,这会导致问题。如果您实施了发现问题的viewDidLoad、ViewWillDisplay和ViewDidDisplay方法,请检查这些方法