1, when importing actionbarsherlock this library, if always reported "Invalid Project Description"; Workaround: The library in Android is not an Android project package import, but should have been normal Java program import.
2, when the source package is imported, if the location is in the default workspace of Eclipse, it will always be imported without entering; Solution: The source of the replacement of a location and re-import
3, after the import of Actionbarsherlock, if the APPCOMPAT-V7 also imported together, the project will have problems; Workaround: Delete the APPCOMPAT-V7
4, after importing the Actionbarsherlock, found some viewpager and other controls can not find the package; Workaround: This is because the Actionbarsherlock also contains the Android-support-v4.jar package, so delete one.
From for notes (Wiz)
What to look for when importing Actionbarsherlock in Android projects