I'm creating UIPageViewController and overriding these functions:
- (NSInteger)presentationCountForPageViewController:(UIPageViewController *)pageViewController
- (NSInteger)presentationIndexForPageViewController:(UIPageViewController *)pageViewController
and it creates a PageControl here.
How can i change the style of PageContol? (default is white, but i need dark)
In the UIPageControl class reference (http://developer.apple.com/library/ios/#documentation/uikit/reference/UIPageControl_Class/Reference/Reference.html), you can find two properties that will be of your interest: pageIndicatorTintColor and currentPageIndicatorTintColor.
Change those two properties of you UIPageControl instance with UIColor you want, e.g. [UIColor blackColor] for dark color, etc.