Tableview滚动时候导航栏和低栏隐藏

1.

if([selfrespondsToSelector:@selector(automaticallyAdjustsScrollViewInsets)])

{

self.automaticallyAdjustsScrollViewInsets=NO;

UIEdgeInsetsinsets =self.tableView.contentInset;

insets.top=self.navigationController.navigationBar.bounds.size.height;

self.tableView.contentInset=insets;

self.tableView.scrollIndicatorInsets= insets;

}

self.tableView.frame=CGRectMake(0, -44,self.view.bounds.size.width,self.view.bounds.size.height+44);

2.

////////////////////导航栏滚动隐藏

-(void)scrollViewWillEndDragging:(UIScrollView*)scrollView withVelocity:(CGPoint)velocity targetContentOffset:(inoutCGPoint*)targetContentOffset{

if(velocity.y>0)

{

[self.navigationControllersetNavigationBarHidden:YESanimated:YES];

[self.rdv_tabBarControllersetTabBarHidden:YESanimated:YES];

}

else

{

[self.navigationControllersetNavigationBarHidden:NOanimated:YES];

[self.rdv_tabBarControllersetTabBarHidden:NOanimated:YES];

}

}