在ios中添加视图控制器作为子视图 [英] adding view controller as child view in ios

问题描述

您好我正在尝试添加视图控制器作为子视图。然后删除此视图控制器表单父视图。我正在使用以下代码。

Hi i am trying to add a view controller as a child view. and later remove this view controller form parent view.I am using following code for this purpose.

 self.loginView = [self.storyboard instantiateViewControllerWithIdentifier:@"LOGIN"];
 [self.view addSubview:self.loginView.view];

此代码适用于 iOS8 但在 iOS7 此代码无效，显示屏幕的一半。显示半部分登录。

This code works fine for iOS8 but in iOS7 this code is not working it shows the half of the screen.On half part login is shown.

什么可以解决这个问题??

What could be the solution for this??

推荐答案

添加自定义 UIView 主视图中的对象（在XIB中），您要在其中添加并显示子视图控制器。让 contentView 是该视图的名称。使用以下代码添加子视图控制器：

Add a custom UIView object in your main view (in XIB) in which you want to add and show your child view controller. Let contentView is the name of that view. Use following code to add child view controller:

self.loginView = [self.storyboard instantiateViewControllerWithIdentifier:@"LOGIN"];
[self addChildViewController:self.loginView];
[self.loginView.view setFrame:CGRectMake(0.0f, 0.0f, self.contentView.frame.size.width, self.contentView.frame.size.height)];
[self.contentView addSubview:self.loginView.view];
[self.loginView didMoveToParentViewController:self]; 

如果你不添加最后一行，你的子视图控制器将不会收到事件。通过使用此代码，您可以同时在父视图控制器和子视图控制器中接收事件。

if you don't add last line, your child view controller will not receive events. By using this code you can simultaneously receive events in both parent and child view controllers.

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