얻어지는 Json 데이터값이 배열( [ ] 표시 )로 들어오는지 딕셔너리( {}표시 )로 들어오는지 확인 판단 필요함


Answered by Vin is right. Basically, to parse json response look at the kind of bracket used. 

Start parsing with the outer symbol and check for the symbol. If it is,
1) { then it is NSDictionary.  <----- objectForKey 사용

2) [ then it is NSArray.  <------ valueForKey 사용


These simple rules will make your life easy. :)


{
    "Albumvideo":[
    {
        "titre": "Publicité",
        "photo":"blabla.jpg"
    },
    {
        "titre": "Events",
        "photo":"blabla.jpg"
    }
    ]
}
 
- (void) viewDidLoad { [super viewDidLoad]; dispatch_async (kBgQueue, ^{ NSData* data = [NSData dataWithContentsOfURL:lienAlbumsVideo]; [self performSelectorOnMainThread:@selector(fetchedData:)withObject:data waitUntilDone:YES]; }); } - (void)fetchedData:(NSData *)responseData {
NSError* error;
NSDictionary* json = [NSJSONSerialization JSONObjectWithData:responseData options:kNilOptions error:&error];
NSArray* albumsvideo = [json objectForKey:@"Albumvideo"];
NSString *titre1 = [[albumsvideo objectAtIndex:0]valueForKey:@"titre"];
NSString *titre2 = [[albumsvideo objectAtIndex:1]valueForKey:@"titre"];
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