隐藏/显示子视图
我有一个子视图，通过“对于初学者来说，我将如何制作它”加载
[super viewWillAppear: animated];
[self.view addSubview: self.webView ];
self.webView.frame = CGRectMake(0, 911, 768, 52);
self.webView.delegate = self;
，以便我可以在其启动后将其隐藏，然后通过双击应用程序底部再次显示它。以及我如何让它动画化以便它上下滑动
I have a subview that loads via
[super viewWillAppear: animated];
[self.view addSubview: self.webView ];
self.webView.frame = CGRectMake(0, 911, 768, 52);
self.webView.delegate = self;
For starters how would i make it so i can hide it once its up and then show it again via double clicking the bottom of the app. and also how would i make it animated so it slides up and down
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如果您想对上下滑动的视图进行动画处理，则必须对其属性进行动画处理，或者我建议您使用presentModalViewControlleranimated:YES
http://developer.apple.com/library/ios/#documentation/uikit/reference/UIViewController_Class/Reference/Reference .html
If you want to animate the view that it slides up and down, you have to animate its properties, or what I would suggest you is to use presentModalViewController animated:YES
http://developer.apple.com/library/ios/#documentation/uikit/reference/UIViewController_Class/Reference/Reference.html