android - R cannot be resolved to a variable - cleaning doesn't work -
i've deleted other projects eclipse workspace (permamently) , after in current project appeared errors (r cannot resolved variable).
i tired cleaning , building 1 time again project, time doesn't help.
in resources, errors appears in styles.xml files:
error: error retrieving parent item: no resource found matches given name 'theme.appcompat.light'.
i'm new in android development , don't understand what's wrong. theme, tried alter different - without effects.
download v7-appcompat library, import eclipse , reference in projects showing error. solve problem.
android eclipse
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