Resizing map view in table view header and resizing.

gistfile1.m

- (void)scrollViewDidScroll:(UIScrollView *)scrollView
{
    CGPoint contentOffset = scrollView.contentOffset;
    UIView *header = self.tableView.tableHeaderView;
    if (contentOffset.y <= 0.0f) {
        header.frame = CGRectMake(CGRectGetMinX(header.frame), contentOffset.y, CGRectGetWidth(header.frame), CFY_DISCOVER_TABLE_HEADER_MIN_HEIGHT - contentOffset.y);
        [self.mapView setCenterCoordinate:self.mapView.userLocation.coordinate animated:NO];
    } else {
        header.frame = CGRectMake(CGRectGetMinX(header.frame), 0.0f, CGRectGetWidth(header.frame), CFY_DISCOVER_TABLE_HEADER_MIN_HEIGHT);
    }
}