CODEWITHSUNDEEP
iosuitableview
livings124
livings124

Reputation: 1113

UITableView - get existing viewForHeaderInHeaders

I want to get the existing header views in a UITableView, so that I can update their appearances. I have been unable to find a method similar to visibleCells that would return the header views instead of cells. Is this possible, or should I just store these views during creation?

Upvotes: 0

Views: 78

Answers (2)

Matt
Matt

Reputation: 2411

You should store them in an NSMutableArray. Here is some sample code:

@interface ViewController : UITableViewController (UITableViewDataSource, UITableViewDelegate)
@property (nonatomic, strong) NSMutableArray *sectionHeaderViews;
@end


@implementation ViewController

- (void)viewDidLoad {
  self.sectionHeaderViews = [NSMutableArray array];
  NSInteger numOfSections = [self numberOfSectionsInTableView:self.tableView];
  for(int i=0; i<numOfSections)
  {
     CustomHeaderView *headerView = [[CustomHeaderView alloc] init];

     // customize headerView here
     ...

     [self.sectionHeaderViews addObject:headerView];
  }
}

- (UIView *)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section {
  return [self.sectionHeaderViews objectAtIndex:section];
}

- (void)updateViewForSection:(NSInteger)section {
  CustomHeaderView *headerView = [self.sectionHeaderViews objectAtIndex:section];

  // update headerView here
  ...

  // reload section
  [self.tableView reloadSections:[NSIndexSet indexSetWithIndex:section] withRowAnimation: UITableViewRowAnimationAutomatic];
}

@end

Good luck!

Upvotes: 1

Ben M
Ben M

Reputation: 2475

[tableView headerViewForSection:sectionNum];

Upvotes: 0

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