单击rightaccessoryview后，我的程序不会显示导航栏。它只显示视图，但不显示导航条

Question

- (void)mapView:(MKMapView *)mapView annotationView:(MKAnnotationView *)view calloutAccessoryControlTapped: (UIControl *)control{ 
     NSLog(@"Disclosure button pressed"); 
     DetailView *tmpView = [[DetailView alloc]initWithNibName:@"DetailView" bundle:nil]; 
     self.detailViewController = tmpView; 

     [self.navigationController pushViewController:self.detailViewController animated:YES]; 
     //[self.view addSubview:detailViewController.view]; 
     [tmpView release]; 
    } 

Answer 1

您确定导航控制器是否存在于当前视图控制器中，点击地图注释？确保self.navigationController不是零。