[iOS] UIPageViewController Test Note

對於UIPageViewController操作的簡單筆記：

Environments:

• Xcode Version 7.1 (7B91b)
• iOS 9.1
• iPhone6 simulator
• 5 view controllers with different view tag and background colors

Method

The following methods are all abbreviated but I think they are clear enough.

Datasource

• viewControllerBeforeViewController:
• viewControllerAfterViewController:

Delegate

• willTransitionToViewControllers:
• didFinishAnimating:previousViewControllers:

Action

The title is the action I did and context are the methods called order by compiler. After the colon, they are notified the arguments passed in.

Slight scroll

• viewControllerAfterViewController: first vc
• viewControllerBeforeViewController: first vc
• willTransitionToViewControllers:

Touch up

• didFinishAnimating:previousViewControllers: animating finish but transisiton not complete.

Slight scroll again

• willTransitionToViewControllers:

Scroll to next page

• didFinishAnimating:previousViewControllers: animating and transistion are all finished and completed.
• viewControllerAfterViewController: second vc

Slight scroll again

• willTransitionToViewControllers:

Scroll back to previous page

• didFinishAnimating:previousViewControllers: animating and transistion are all finished and completed.
• viewControllerBeforeViewController: first vc