self.tableView = [[UITableView alloc] initWithFrame:self.view.frame];
- (UIView *)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section {
UILabel *label = [[UILabel alloc] init];
label.text = @"test";
return label;
}
- (CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section
{
return 0.01;
}
it works perfect on iOS14. but on iOS15 XCode13 beta. it doesn't work anymore.
have a default header which height is 22 here
Highmore
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- (void)viewDidLoad {
[super viewDidLoad];
[self.navigationController.navigationBar setBackgroundImage:[self imageWithColor:[UIColor redColor]] forBarMetrics:UIBarMetricsDefault];
}
- (UIImage *)imageWithColor:(UIColor *)color {
CGRect rect = CGRectMake(0.0f, 0.0f, 1.0f, 1.0f);
UIGraphicsBeginImageContext(rect.size);
CGContextRef context = UIGraphicsGetCurrentContext();
CGContextSetFillColorWithColor(context, [color CGColor]);
CGContextFillRect(context, rect);
UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
return image;
}
it works on iOS14, but on iOS15. it doesn't work.
the color of navigationBar does't change