unable to refer library project android on updated adt

问题

I want to integrate facebook library project to my project ...

Steps i followed:

1.Imported facebook library project

2.Checked it as isLibrary

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1.Imported facebook sample project

3.Added library project -facebook

Pls help to solve the problem depicted in the screenshot...

Edit:Problem is in ADT 20.3 .... i tried same steps in ADT 10.3 and it works fine(Just one change here instead of importing the project i created "new project from existing source" );

回答1:

First you need to build your library project, and only after that add it into main project as library.

来源：https://stackoverflow.com/questions/12970802/unable-to-refer-library-project-android-on-updated-adt