ios - MVYMenuViewController : How to destroy a view controller which was instantiated from storyboard

Question

我正在将 MVYMenu 与 Storyboard (XCode 5/iOS7) 结合使用。我不得不修改使用 xibs 的示例。到目前为止，它是有效的，但我认为每次用户单击侧边菜单时实例化 Controller 时我都在泄漏 View Controller :

这是我的代码:

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {

UINavigationController *navigationController;
UIViewController * mrViewController;

if (indexPath.row == 0) {

    mrViewController = [[UIStoryboard storyboardWithName:@"Main" bundle:nil] instantiateViewControllerWithIdentifier:@"mrViewController1"];

} else if (indexPath.row == 1){

    mrViewController = [[UIStoryboard storyboardWithName:@"Main" bundle:nil] instantiateViewControllerWithIdentifier:@"mrViewController2"];

} else if (indexPath.row == 2){

    mrViewController = [[UIStoryboard storyboardWithName:@"Main" bundle:nil] instantiateViewControllerWithIdentifier:@"mrViewController3"];

} else if (indexPath.row == 3){

    mrViewController = [[UIStoryboard storyboardWithName:@"Main" bundle:nil] instantiateViewControllerWithIdentifier:@"mrViewController4"];

}  else {

    mrViewController = [[UIStoryboard storyboardWithName:@"Main" bundle:nil] instantiateViewControllerWithIdentifier:@"mrViewController1"];

}

navigationController = [[UINavigationController alloc] initWithRootViewController:mrViewController];
[[self sideMenuController] changeContentViewController:navigationController closeMenu:YES];

当我监控性能时，每次单击表格单元格以显示新场景时，内存使用量都会增加。我想我必须在上面代码的某处销毁以前存在的 View Controller ，但我不知道如何以及在哪里？我是 iOS 新手，来自 Android...

Answer 1

由于您使用的是 Storyboard，因此创建一个从 tableViewController 到详细 View Controller 的推送 segue，并从 didSelectRowAtIndexPath: 方法调用这些 segue。这是在带有 Storyboard的 View Controller 之间进行转换的正确方法。它也恰好比你正在做的要容易得多。如果您的行是静态的，您甚至可以将 segues 直接 Hook 到行，您根本不需要进行任何编程!