[英]In UINavigationController, button doesn't work with pushViewController
我想制作一个简单的导航控制应用程序,其中有两个视图控制器( ViewController
和ViewController2
)。 我在ViewController
有一个按钮,当我按下按钮时,我希望它转到另一个视图。 问题在于按钮不起作用。 我也尝试了UIViewController
,但是也没有那样。
AppDelegate.m
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
// Override point for customization after application launch.
ViewController *vc1 = [[ViewController alloc]init];
UINavigationController *nav=[[UINavigationController alloc]initWithRootViewController:vc1];
self.window.rootViewController = nav;
[self.window makeKeyAndVisible];
[self.window addSubview:nav.view];
return YES;
}
ViewController.m
- (IBAction)myButton:(id)sender {
ViewController *vc2 = [[ViewController alloc]init];
[[self navigationController]pushViewController:vc2 animated:YES];
}
在此先感谢您的帮助
如果在ViewController1和ViewController2中使用情节提要导入,并为其提供一个情节提要ID“ view2”:
ViewController2 *vc2 = (ViewController2 *)[self.storyboard instatiateViewControllerWithIdentifier:@"view2"];
[self.navigationController pushViewController:vc2 animated:YES];
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