Now I am totally confused by this error message: Android library projects cannot be launched.
I carefully checked the build path and library, every
Through the following steps you can do it .
In Eclipse window , Right Click on your Project from Package Explorer. 1. Select Properties, 2. Select Android from Properties, 3. Check "Is Library" check box, 4. If it is checked then Unchecked "Is Library" check box. 5. Click Apply and than OK.