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1 [UIApplication sharedApplication].statusBarHidden = YES;
1 [self.navigationController setNavigationBarHidden:YES];
1 [self.tabBarController.tabBar setHidden:YES];
这个方法有问题，虽然tabBar被隐藏了，但是那片区域变成了一片空白，无法被其他视图使用。
对于navigationController+tabBarController的结构，可以在push下一级的childController之前将childController的hidesBottomBarWhenPushed属性设为YES。
比如，可以在childController的初始化方法中做这件事，代码如下：
1 // The designated initializer. Override if you create the controller programmatically and want to perform customization that is not appropriate for viewDidLoad.
2
3 - (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil {
4 self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
5 if (self) {
6 // Custom initialization.
7 self.hidesBottomBarWhenPushed = YES;
8 }
9 return self;
10 }
http://www.azumi.cc/thread-539502-1-1.html
1 - (void)makeTabBarHidden:(BOOL)hide
2 {
3 if ( [self.tabBarController.view.subviews count] < 2 )
4 {
5 return;
6 }
7 UIView *contentView;
8
9 if ( [[self.tabBarController.view.subviews objectAtIndex:0] isKindOfClass:[UITabBar class]] )
10 {
11 contentView = [self.tabBarController.view.subviews objectAtIndex:1];
12 }
13 else
14 {
15 contentView = [self.tabBarController.view.subviews objectAtIndex:0];
16 }
17 // [UIView beginAnimations:@"TabbarHide" context:nil];
18 if ( hide )
19 {
20 contentView.frame = self.tabBarController.view.bounds;
21 }
22 else
23 {
24 contentView.frame = CGRectMake(self.tabBarController.view.bounds.origin.x,
25 self.tabBarController.view.bounds.origin.y,
26 self.tabBarController.view.bounds.size.width,
27 self.tabBarController.view.bounds.size.height - self.tabBarController.tabBar.frame.size.height);
28 }
29
30 self.tabBarController.tabBar.hidden = hide;
31 // [UIView commitAnimations];
32 }
1 - (void)viewWillAppear:(BOOL)animated {
2 [self setFullScreen:YES];
3 }
4
5 - (void)viewWillDisappear:(BOOL)animated {
6 [self setFullScreen:NO];
7 }
8
9 - (void)setFullScreen:(BOOL)fullScreen {
10 // 状态条
11 [UIApplication sharedApplication].statusBarHidden = fullScreen;
12 // 导航条
13 [self.navigationController setNavigationBarHidden:fullScreen];
14 // tabBar的隐藏通过在初始化方法中设置hidesBottomBarWhenPushed属性来实现。
15 }
iOS开发之隐藏tabbar--解决隐藏后依然不能响应对应位置事件的问题
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原文地址：http://www.cnblogs.com/liuqixu/p/4683196.html
