Default header font in UITableView

gistfile1.m

 -(id) initWithHeader:(NSString*) header {

	if (self = [super initWithFrame:CGRectMake(0.0, 0.0, 320.0, 40.0)]) {
		CGSize stringBoundingBox = [header sizeWithFont:[UIFont boldSystemFontOfSize:17]];
		[self setBackgroundColor:[UIColor groupTableViewBackgroundColor]];
		self.activityIndicator = [[UIActivityIndicatorView alloc] 
                        initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleGray];
		CGRect frame = [self.activityIndicator frame];
		frame.origin.x = stringBoundingBox.width + 30.0;
		frame.origin.y = 17.0;
		[self.activityIndicator setFrame:frame];
		[self addSubview:self.activityIndicator];
		[self.activityIndicator startAnimating];
		
		// create the title
		self.label = [[UILabel alloc] 
                               initWithFrame:CGRectMake(20.0, 13.0, stringBoundingBox.width, 30.0)];
		self.label.text = header;
		self.label.font = [UIFont boldSystemFontOfSize:17];
		self.label.shadowColor = [UIColor colorWithWhite:1.0 alpha:1.0];
		self.label.shadowOffset = CGSizeMake(0, 1);
		self.label.textColor = [UIColor colorWithRed:0.265 green:0.294 blue:0.367 alpha:1.0];
		[self.label setBackgroundColor:[UIColor clearColor]];
		[self addSubview:self.label];
	}
	return self;
}