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2014/10/15 ¤U¤È 10:09:02
iphone Programming Glossary: filterpredicateHow to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar http://stackoverflow.com/questions/4471289/how-to-filter-nsfetchedresultscontroller-coredata-with-uisearchdisplaycontroll NSString searchString NSArray sortDescriptors your sort descriptors here NSPredicate filterPredicate your predicate here Set up the fetched results controller. Create the fetch request for the entity. NSFetchRequest fetchRequest.. NSPredicate predicateWithFormat @ name CONTAINS cd @ searchString finally add the filter predicate for this view if filterPredicate filterPredicate NSCompoundPredicate andPredicateWithSubpredicates NSArray arrayWithObjects filterPredicate NSCompoundPredicate.. @ name CONTAINS cd @ searchString finally add the filter predicate for this view if filterPredicate filterPredicate NSCompoundPredicate andPredicateWithSubpredicates NSArray arrayWithObjects filterPredicate NSCompoundPredicate orPredicateWithSubpredicates..
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