Be animated picture playback or interface to load data processing

During the game development time

In the beginning of the program running game needs to load data

Can the loading process "while" playing a movie or a picture with a deal to represent a dynamic effect? ?

Loading is a dynamic game interface
Reply:
Of course you can.
You LOADING in the main thread.
Open a thread in the UI brush line on it.
Reply:
More simple way, posting a webView, load a gif above
Reply:
cocos2d engine it should be very easy to