‘//隐藏标签栏

• (void)hiddenTheTabBar
  {
  if (![[NSUserDefaults standardUserDefaults] boolForKey:@”isHiddenTabBar”]) {
  for (UIView *v in [self.view subviews]) {
  if ([v isKindOfClass:[UITabBar class]]) {
  [UIView animateWithDuration:0.5f delay:0.0f options:UIViewAnimationOptionCurveEaseOut animations:^(){
  CGRect frame = v.frame;
  frame.origin.y += 49.0f;
  v.frame = frame;
  } completion:nil];
  } else {
  [UIView animateWithDuration:0.5f delay:0.0f options:UIViewAnimationOptionCurveEaseOut animations:^(){
  CGRect frame = v.frame;
  frame.size.height += 49.0f;
  v.frame = frame;
  } completion:nil];
  }
  }
  [[NSUserDefaults standardUserDefaults] setBool:YES forKey:@”isHiddenTabBar”];
  }
  }
  //显示标签栏
• (void)showTheTabBar
  {
  if ([[NSUserDefaults standardUserDefaults] boolForKey:@”isHiddenTabBar”]) {
  for (UIView *v in [self.view subviews]) {
  if ([v isKindOfClass:[UITabBar class]]) {
  [UIView animateWithDuration:0.3f delay:0.0f options:UIViewAnimationOptionCurveEaseOut animations:^(){
  CGRect frame = v.frame;
  frame.origin.y -= 49.0f;
  v.frame = frame;
  } completion:nil];
  } else {
  [UIView animateWithDuration:0.3f delay:0.0f options:UIViewAnimationOptionCurveEaseOut animations:^(){
  CGRect frame = v.frame;
  frame.size.height -= 49.0f;
  v.frame = frame;
  } completion:nil];
  }
  }
  [[NSUserDefaults standardUserDefaults] setBool:NO forKey:@”isHiddenTabBar”];
  }
  }
  ‘
  思路就是这样，别人那边看到的，就是找出来，然后拿着这玩意做动效，存着吧