问题解决3:实现跳转时隐藏工具栏

实现隐藏tabbar

若有:页面A有tabbar,跳转到页面B的时候隐藏toolbar,再点击返回页面A,显示tabbar实现

页面A:

-(void)viewWillAppear:(BOOL)animated{
    self.tabBarController.tabBar.hidden = NO;
}

页面B:

-(void)viewWillAppear:(BOOL)animated{
    self.tabBarController.tabBar.hidden = YES;
    UIImageView *image = (UIImageView *)[self.tabBarController.viewviewWithTag:100];
    image.hidden =YES;
}


-(void)viewWillDisappear:(BOOL)animated{
  [super viewWillDisappear:animated];
  self.tabBarController.hidesBottomBarWhenPushed = NO;
}

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