-(IBAction)btnOnClicked:(id)sender

{

    SQVideoListViewController *videoListViewController = [[[SQVideoListViewController alloc]init]autorelease];

    videoListViewController.type   = [sender tag];

    self.hidesBottomBarWhenPushed = YES;    //用于隐藏tabBar

    [self.navigationController pushViewController:videoListViewController animated:YES];

    self.hidesBottomBarWhenPushed = NO;

}

 self.tabBarController.tabBar.hidden = YES;