Android. Skipped 60 frames!

I made project and it works well on iPhone and Windows Phone.
But when I run it in Eclipse for Android I’m getting next error:
“Skipped 60 frames! The application may be doing too much work on its main thread”

I’m using Cocos2d-x v3.3

Can someone help?

So as the warning said, your game maybe doing too much work on main thread.
It is okey, 60 frame is 1-2 seconds, if you want do know which part of the code is causing this warning, usually you want to use logs to find when it happens.

After this error my game is crashing.

I found this: http://stackoverflow.com/questions/14678593/the-application-may-be-doing-too-much-work-on-its-main-thread
but I don’t know how to move my code to UI thread.