question: private boolean areHostsFilesExistant ( ) { if ( ! MainActivity . config . hosts . enabled ) return true ; for ( Configuration . Item item : MainActivity . config . hosts . items ) { File file = FileHelper . getItemFile ( getContext ( ) , item ) ; if ( item . state != Configuration . Item . STATE_IGNORE && file != null ) { if ( ! file . exists ( ) ) return false ; } } return true ; }
target:  Check if all configured hosts files exist.