导航控制器跳转时隐藏底部tabbar

- (void)setting
{
    // 跳转到设置界面
    XMGSettingViewController *settingVc = [[XMGSettingViewController alloc] init];
    // 必须要在跳转之前设置，隐藏底部条
    settingVc.hidesBottomBarWhenPushed = YES;

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

}