Eclipse: “The import java.io cannot be resolved”

Question

I have several Android projects in Eclipse, and all is fine, except one (a library) that can not resolve any imports.

The java.io imports do resolve fine in other An

Answer 1

I am using Maven an this is what I did to re-solve -->

1. Right click on project
2. Maven -> Update Project. Make sure you choose 'Force update of Snapshots/Releases'.
3. Also check the 'clean project', 'update project conf from pom' and 'refresh workspace resource options' and click ok.