'myViewController' 的局部声明隐藏了实例变量
local declaration of 'myViewController' hides instance veriable
在动作 sheet 中,根据按钮索引将模态化到另一个视图的委托方法,这是方法:
- (void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex {
if (buttonIndex == 0) {
NSLog(@"first button was pressed");
} else if (buttonIndex == 1) {
MyViewController *myViewController = [[MyViewController alloc]initWithNibName:@"MyViewController" bundle:nil];
UINavigationController *navigationController = [[UINavigationController alloc]initWithRootViewController:myViewController];
[self.navigationController presentViewController:navigationController animated:YES completion:nil];
}
}
我在 nevigationConroller 声明旁边收到错误,有人知道问题出在哪里吗?
我在这个 class..
的 .h class 中声明 MyViewController
谢谢
包含您的 actionSheet:clickedButtonAtIndex:
方法的 class 有一个名为 myViewController
的 ivar。您已经创建了一个名为 myViewController
的局部变量 also。您的 Xcode 项目已被告知将此视为错误,而不仅仅是警告。更改您的局部变量名称。
MyViewController *myVC = [[MyViewController alloc]initWithNibName:@"MyViewController" bundle:nil];
UINavigationController *navigationController = [[UINavigationController alloc]initWithRootViewController:myVC];
[self.navigationController presentViewController:navigationController animated:YES completion:nil];
在动作 sheet 中,根据按钮索引将模态化到另一个视图的委托方法,这是方法:
- (void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex {
if (buttonIndex == 0) {
NSLog(@"first button was pressed");
} else if (buttonIndex == 1) {
MyViewController *myViewController = [[MyViewController alloc]initWithNibName:@"MyViewController" bundle:nil];
UINavigationController *navigationController = [[UINavigationController alloc]initWithRootViewController:myViewController];
[self.navigationController presentViewController:navigationController animated:YES completion:nil];
}
}
我在 nevigationConroller 声明旁边收到错误,有人知道问题出在哪里吗?
我在这个 class..
的 .h class 中声明 MyViewController谢谢
包含您的 actionSheet:clickedButtonAtIndex:
方法的 class 有一个名为 myViewController
的 ivar。您已经创建了一个名为 myViewController
的局部变量 also。您的 Xcode 项目已被告知将此视为错误,而不仅仅是警告。更改您的局部变量名称。
MyViewController *myVC = [[MyViewController alloc]initWithNibName:@"MyViewController" bundle:nil];
UINavigationController *navigationController = [[UINavigationController alloc]initWithRootViewController:myVC];
[self.navigationController presentViewController:navigationController animated:YES completion:nil];