It may be self-evident what you need to do here, it’s just a case of knowing where to look. The screenshot below was taken from Eclipse Juno.

Try either of these…

  1. right-click on your project and select
    In Package Explorer right-click on the name of your Project, then select Android Tools > Fix Project Properties (if this didn’t work, try second option).android-tools-fix-project
  2. right-click on your project and select “Properties -> Java Compiler”, check “Enable project specific settings” and select 1.5 or 1.6 from “Compiler compliance settings” select box.

properties