从calloutAccessoryControlTapped推送视图

Question

我试图从mapView中的标注中推送视图。以下代码似乎不起作用。非常感谢任何帮助。

谢谢

- (void)mapView:(MKMapView *)mapView annotationView:(MKAnnotationView *)view calloutAccessoryControlTapped:(UIControl *)control
{
   NSLog(@"Tapped Callout");
   srPlayAudio *SrPlayAudio = [[srPlayAudio alloc] initWithNibName:@"nib" bundle:nil];
   SrPlayAudio.fileName = [[view annotation]title];
   [self.navigationController pushViewController:SrPlayAudio animated:YES];
}

每当触摸标注时，控制台都会打印Tapped Callout。我没有看到calloutAccessoryControlTapped方法有任何问题。

Answer 1

- (void)mapView:(MKMapView *)mapView annotationView:(MKAnnotationView *)view calloutAccessoryControlTapped:(UIControl *)control
{
  NSLog(@"Tapped Callout");
  srPlayAudio *SrPlayAudio = [[srPlayAudio alloc] init];
  SrPlayAudio.fileName = [[view annotation]title];
  UINavigationController *navController = [[UINavigationController alloc] initWithRootViewController:SrPlayAudio];
  navController.navigationBarHidden = NO;
  [self presentViewController:navController animated:YES completion:^{

}];

}

看起来我误解了UINavigationController。 navigationController为null。上面的代码完全正常。