rootviewcontroller

• http://stackoverflow.com/questions/8146253/animate-change-of-view-controllers-without-using-navigation-controller-stack-su/8248284#8248284
• http://stackoverflow.com/questions/8053832/rootviewcontroller-animation-transition-initial-orientation-is-wrong
• http://stackoverflow.com/questions/8827891/swapping-rootviewcontroller-with-animation

addChildViewController & addSubview

• (Creating Custom Container View Controllers)[https://developer.apple.com/library/ios/featuredarticles/ViewControllerPGforiPhoneOS/CreatingCustomContainerViewControllers/CreatingCustomContainerViewControllers.html#//apple_ref/doc/uid/TP40007457-CH18-SW6]
• (What does addChildViewController actually do?)[http://stackoverflow.com/questions/17192005/what-does-addchildviewcontroller-actually-do]
• (自前コンテナでaddChildViewController:するときdidMoveToParentViewController:はやはり使うべき)[http://qiita.com/yimajo/items/a5e16fa0f9c332a55ccf]

addChildViewController

• side sliderメニューなどを作るのに利用される(facebook, path...)