Add AndEngine Library
问题 I got AndEngine from github and did as follows: And i got AndEnginePhysicsBox2DExtension and did: After that i added the libraries to my App I then imported But then when i press OK and open the properties of my app i get this How can i fix this problem ? 回答1: you shouldn't import the andengine project. just use andengine jar-file as library and it will work well. you can find the jar-files in the bin-folder of the project. and when i'm not wrong, then this error comes, when you don't copy