PageControl

active_page_image.png

inactive_page_image.png

GrayPageControl.h

#import <UIKit/UIKit.h>

@interface GrayPageControl : UIPageControl

{

    UIImage* activeImage;

    UIImage* inactiveImage;

}

@end

GrayPageControl.m

#import "GrayPageControl.h"

@implementation GrayPageControl

-(id) initWithCoder:(NSCoder *)aDecoder

{

    self = [super initWithCoder:aDecoder];

    

    activeImage = [UIImage imageNamed:@"active_page_image.png"];

    inactiveImage = [UIImage imageNamed:@"inactive_page_image.png"];

    

    return self;

}

-(void) updateDots

{

    for (int i = 0; i < [self.subviews count]; i++)

    {

        UIImageView* dot = [self.subviews objectAtIndex:i];

        if (i == self.currentPage) dot.image = activeImage;

        else dot.image = inactiveImage;

    }

}

-(void) setCurrentPage:(NSInteger)page

{

    [super setCurrentPage:page];

    [self updateDots];

}

/*

// Only override drawRect: if you perform custom drawing.

// An empty implementation adversely affects performance during animation.

- (void)drawRect:(CGRect)rect

{

    // Drawing code

}

*/

@end