rogerluan

//DataManager.h

#import <Foundation/Foundation.h>

typedef void(^DataManagerDidGetData)(NSArray *json);
typedef void(^DataManagerDidError)(NSError *error);

@interface DataManager : NSObject

- (void)getData:(DataManagerDidGetData)complete error:(DataManagerDidError)error;

rogerluan

- (void)reloadData {
    [self.refreshControl beginRefreshing];
    
    //chamada em background
    dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
        
        //requisição dos dados do servidor
        NSError *err = nil;
        NSArray *json = nil;
        NSData *data = [NSData dataWithContentsOfURL:[NSURL URLWithString:kURL]];