Question

如何在viewController里调用到tabBarController的属性

Answer 1

- (void)viewWillAppear:(BOOL)animated {
[super viewWillAppear:animated];
[self.tabBarController.selectedViewController viewWillAppear:animated];
}
- (void)tabBarController:(UITabBarController *)tabBarController didSelectViewController:(UIViewController *)viewController {
[viewController viewWillAppear:NO];
}