import "ViewController.h"

@interface ViewController () <UITableViewDataSource,UITableViewDelegate>

@property (weak, nonatomic) UIImageView *headerView;

@property (weak, nonatomic) UITableView *tableView;

@property (weak, nonatomic) UIView *tableViewHeaderView;

@end

@implementation ViewController

• (void)viewDidLoad {
  [super viewDidLoad];
  // Do any additional setup after loading the view, typically from a nib.

  UITableView *tableView = [[UITableView alloc] init];
  self.tableView = tableView;

  tableView.backgroundColor = [UIColor redColor];

  tableView.frame = self.view.bounds;

  tableView.dataSource = self;
  tableView.delegate = self;

UIView *headerView = [[UIView alloc] init];
self.tableViewHeaderView = headerView;
headerView.frame = CGRectMake(0, 0, [UIScreen mainScreen].bounds.size.width, 250);
headerView.backgroundColor = [UIColor clearColor];

UIImageView *headerViewWant = [[UIImageView alloc] init];
self.headerView = headerViewWant;

headerViewWant.image = [UIImage imageNamed:@"headerImage.jpg"];
headerViewWant.contentMode = UIViewContentModeScaleAspectFill;
headerViewWant.clipsToBounds = YES;
headerViewWant.frame = CGRectMake(0, 0, [UIScreen mainScreen].bounds.size.width, 250);
headerViewWant.backgroundColor = [UIColor yellowColor];


[tableView addSubview:headerViewWant];

tableView.tableHeaderView = headerView;

[self.view addSubview:tableView];

}

pragma mark - UITableViewDataSource

• (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
  {
  return 50;
  }

• (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
  {
  UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"TestCell"];

  if (!cell) {
  cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:@"TestCell"];
  }

  cell.textLabel.text = [NSString stringWithFormat:@"%zd-%zd",indexPath.section,indexPath.row];
  cell.backgroundColor = [UIColor clearColor];

  return cell;
  }

• (void)scrollViewDidScroll:(UIScrollView *)scrollView
  {
  if (scrollView.contentOffset.y > 0) {
  return;
  }
  self.headerView.frame = CGRectMake(0,scrollView.contentOffset.y, [UIScreen mainScreen].bounds.size.width + (- scrollView.contentOffset.y), -scrollView.contentOffset.y + 250);
  self.headerView.center = CGPointMake([UIScreen mainScreen].bounds.size.width / 2.0, self.headerView.center.y);

}

• (void)didReceiveMemoryWarning {
  [super didReceiveMemoryWarning];
  // Dispose of any resources that can be recreated.
  }

@end