ios導航控制器UINavigationController,控制器a跳轉(push)到b後,b跳轉(push)到c,但c後退(pop)進入a
阿新 • • 發佈:2017-05-31
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代碼解析
參考:StackOverflow
ios導航控制器UINavigationController,控制器a跳轉(push)到b後,b跳轉(push)到c。但c後退(pop)進入a。
在b跳轉(push)到c中代碼書寫例如以下:
UINavigationController *navController = [[self.navigationController retain] autorelease]; [navController popViewControllerAnimated:NO]; ViewControllerC *_viewController = [[[ViewControllerC alloc] init] autorelease]; [navController pushViewController:_viewController animated:YES];
代碼解析
// self.navigationController(...,ViewControllerA、ViewControllerB) // navController(nil) UINavigationController *navController = [[self.navigationController retain] autorelease]; // self.navigationController(...,ViewControllerA、ViewControllerB) // navController(...,ViewControllerA、ViewControllerB) [navController popViewControllerAnimated:NO]; // self.navigationController(nil) // navController(...,ViewControllerA) ViewControllerC * _viewController = [[[ViewControllerC alloc] init] autorelease]; _viewController.messageEntity = [self.listArray objectAtIndex:indexPath.row]; // self.navigationController(nil) // navController(...,ViewControllerA) [navController pushViewController:_viewController animated:YES]; // self.navigationController(nil) // navController(...,ViewControllerA、ViewControllerC)
ios導航控制器UINavigationController,控制器a跳轉(push)到b後,b跳轉(push)到c,但c後退(pop)進入a