从底部加载导航ViewController [英] Load a Navigation ViewController from bottom

问题描述

我有四个ViewController，其中ViewControllers使用 UINavigationController 加载。我可以一个一个地切换到每个ViewController。

I am having four ViewControllers , where the ViewControllers are loaded using the UINavigationController. I am able to switch to every ViewController one by one.

事情是，因为我使用NavigationController所有的ViewController是从左或右。但我想从底部加载ViewController。我知道我可以使用 presentModalViewController 从底部呈现ViewController。但它不等同于导航控制器，因为从第四个ViewController，如果我按一个按钮，我需要来到第一个ViewController。

The thing is, since I am using the NavigationController all the ViewControllers are loaded either from the Left or from the Right. But I want to load the ViewController from the Bottom. I know I can use presentModalViewController to present the ViewController from the Bottom. But it is not equivalent to the Navigation Controller because , from the 4th ViewController, If I press one button , I need to come to the 1st ViewController.

如何展示从导航控制器底部的ViewController

How can I present a ViewController from the bottom in the NavigationController ?

推荐答案

尝试：

CATransition *animation = [CATransition animation]; 
[animation setDuration:2]; 
[animation setType:kCATransitionPush]; 
[animation setSubtype:kCATransitionFromTop]; 
[animation setTimingFunction:[CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut]]; 
SecondView *sObj=[[SecondView alloc] initWithNibName:@"SecondView" bundle:nil];
[self.navigationController pushViewController:sObj animated:YES];
[[sObj.view layer] addAnimation:animation forKey:@"SwitchToView1"]; 

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