ios tabbar隐藏

1

iOS跳转界面时隐藏tabBar的方法

//1.设置self.tabBarController.tabBar.hidden=YES;self.tabBarController.tabBar.hidden=YES;//2.如果在push跳转时需要隐藏tabBar，设置self.hidesBottomBarWhenPushed=YES;self.hidesBottomBarWhenPushed=YES;NextViewController *next=[[NextViewController alloc]init];[self.navigationController pushViewController:next animated:YES];self.hidesBottomBarWhenPushed=NO;//并在push后设置self.hidesBottomBarWhenPushed=NO;
//这样back回来的时候，tabBar会恢复正常显示。

2

Iphone隐藏和显示TabBar的方法
1.隐藏TabBar：

- (void)hideTabBar {  if (self.tabBarController.tabBar.hidden == YES) {  return;  }  UIView *contentView;  if ( [[self.tabBarController.view.subviews objectAtIndex:0] isKindOfClass:[UITabBar class]] )  contentView = [self.tabBarController.view.subviews objectAtIndex:1];  else  contentView = [self.tabBarController.view.subviews objectAtIndex:0];  contentView.frame = CGRectMake(contentView.bounds.origin.x,  contentView.bounds.origin.y,  contentView.bounds.size.width, contentView.bounds.size.height + self.tabBarController.tabBar.frame.size.height);          self.tabBarController.tabBar.hidden = YES;  }  

2.显示TabBar：

- (void)showTabBar  {  if (self.tabBarController.tabBar.hidden == NO)  {  return;  }  UIView *contentView;  if ([[self.tabBarController.view.subviews objectAtIndex:0] isKindOfClass:[UITabBar class]])  contentView = [self.tabBarController.view.subviews objectAtIndex:1];  else  contentView = [self.tabBarController.view.subviews objectAtIndex:0];        contentView.frame = CGRectMake(contentView.bounds.origin.x, contentView.bounds.origin.y,  contentView.bounds.size.width, contentView.bounds.size.height - self.tabBarController.tabBar.frame.size.height);  self.tabBarController.tabBar.hidden = NO;  }  

3.如果定义了上面两个方法，在viewDidAppear:方法里面就可以调用了

-(void)viewDidAppear:(BOOL)animated{  //[self hideTabBar];  [self showTabBar];  
} 

3

iOS隐藏tabBar的方法

两种方法用来隐藏tabBar
1.在本页面隐藏
#pragma mark - 隐藏tabBar
- (void)viewWillAppear:(BOOL)animated{** self.tabBarController.tabBar.hidden = YES;**
}
- (void)viewWillDisappear:(BOOL)animated{
**  self.tabBarController.tabBar.hidden = NO;**
}
2.再跳界面之前设置跳转后隐藏tabBar
#pragma mark - 隐藏tabBar
- (void)handleClickTestButtonAction:(UIButton *)sender{SecurityTestingViewController *test = [[SecurityTestingViewController alloc]init];**self.hidesBottomBarWhenPushed = YES;**[self.navigationController pushViewController:test animated:NO];
}

4

隐藏TabBar的一些方法小结

//在项目中经常遇到隐藏tabBar,实力很多种方法，可以解决不同情况下问题
//1：//隐藏tabBarWebViewController *webVc = [[WebViewController alloc] init];webVc.hidesBottomBarWhenPushed = YES;[self.navigationController pushViewController:webVc animated:YES];webVc.hidesBottomBarWhenPushed = NO;[webVc release];
//2.系统方法self.hidesBottomBarWhenPushed = YES;
//3:自定义tabBar时候，由tabBarController管理的
//隐藏tabBar
- (void) hideTabBar:(BOOL) hidden{[UIView beginAnimations:nil context:NULL];[UIView setAnimationDuration:0];for(UIView *view in self.tabBarController.view.subviews)    {if ([view isKindOfClass:[UITabBar class]]) {if (hidden) {[view setFrame:CGRectMake(view.frame.origin.x, iphone5?568:480, view.frame.size.width, view.frame.size.height)];} else {[view setFrame:CGRectMake(view.frame.origin.x, iphone5?568-49:480-49, view.frame.size.width, view.frame.size.height)];}} else {if (hidden) {[view setFrame:CGRectMake(view.frame.origin.x, view.frame.origin.y, view.frame.size.width, iphone5?568:480)];} else {[view setFrame:CGRectMake(view.frame.origin.x, view.frame.origin.y, view.frame.size.width,  iphone5?568-49:480-49)];}}}[UIView commitAnimations];
}
//调整子视图
for (UIView *subView in self.view.subviews) {if ([subView isKindOfClass:NSClassFromString(@"UITransitionView")]) {
//        调整子视图的高度，UITransitionView视图为UINavitaionController的根视图subView.frame = CGRectMake(subView.frame.origin.x, subView.frame.origin.y, subView.frame.size.width, 480);CGRect frame = subView.frame;frame.size.height = 480;subView.frame = frame;}
}
//4：类似方法3
- (void)makeTabBarHidden:(BOOL)hide{if ([self.tabBarController.view.subviews count] < 2)    {return;}UIView *contentView;if ([[self.tabBarController.view.subviews objectAtIndex:0] isKindOfClass:[UITabBar class]]){contentView = [self.tabBarController.view.subviews objectAtIndex:1];}else{contentView = [self.tabBarController.view.subviews objectAtIndex:0];}//    [UIView beginAnimations:@"TabbarHide" context:nil];if (hide) {contentView.frame = self.tabBarController.view.bounds;}else{contentView.frame = CGRectMake(self.tabBarController.view.bounds.origin.x,self.tabBarController.view.bounds.origin.y,self.tabBarController.view.bounds.size.width,self.tabBarController.view.bounds.size.height - self.tabBarController.tabBar.frame.size.height);}       self.tabBarController.tabBar.hidden = hide;
}

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