question: private void removeObservedFile ( String localPath ) { File file = new File ( localPath ) ; String parentPath = file . getParent ( ) ; FolderObserver observer = mFolderObserversMap . get ( parentPath ) ; if ( observer != null ) { observer . stopWatching ( file . getName ( ) ) ; if ( observer . isEmpty ( ) ) { mFolderObserversMap . remove ( parentPath ) ; Log_OC . d ( TAG , "Observer removed for parent folder " + parentPath + "/" ) ; } } else { Log_OC . d ( TAG , "No observer to remove for path " + localPath ) ; } }
target:  Unregisters a local file from being observed for changes.