에 도와주세요 그것은 나 경고가 있는 NSDictionary 질문
아래 같은 오류 표시 내 코드의 문제.myNumberOfPlayers = players;
myDifficultyLevel = difficulty;
myDuration = duration;
myExcerciseId = excerciseId;
NSMutableDictionary *myDictionary = [[ NSMutableDictionary alloc] init];
[ myDictionary setObject:players forKey:players forKey:@"no_of_players"];
[ myDictionary setObject:difficulty forKey:@"difficulty_level"];
[ myDictionary setObject:duration forKey:@"duration_excercise"];
[ myDictionary setObject:excerciseId forKey:@"Excercise_id"];