MKUserTrackingBarButtonItem色调IOS7无效,但在IOS 6上有效

self.navigationItem.rightBarButtonItem = [[MKUserTrackingBarButtonItem alloc] initWithMapView:self.mapView];

然后设置它的色调

self.navigationItem.rightBarButtonItem.tintColor = [UIColor colorWithRed:175.0f / 255.0f green: 189.0f / 255.0f blue: 69.0f / 255.0f alpha:1.0f];

当我部署到IOS6时,条形按钮项目被正确着色,但在IOS7设备上它仍然是库存蓝色

这是其他人经历过的问题吗？一个XCode 5错误？

救命？

谢谢

MKUserTrackingBarButtonItem *buttonItem = [[MKUserTrackingBarButtonItem alloc]    initWithMapView:self.mapView];    
[buttonItem.customView setTintColor:[UIColor colorWithRed:175.0f / 255.0f green: 189.0f / 255.0f blue: 69.0f / 255.0f alpha:1.0f]];