NSDictionary access problem

Discussion in 'iOS Programming' started by vikasA, Mar 7, 2011.

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  1. vikasA, Mar 7, 2011

    vikasA macrumors newbie

    Joined:
    Mar 7, 2011
    #1
    I want to access the value for each key in this dictionary

    { "key1": "val1", "key2" : "val2", "key3" : "val3", "key4" : [{ "key41": "val41", "key42" : "value42" } ,{ "key41": "val41", "key42" : "value42" } ]}

    //for val1
    NSString *str = [[self.data objectForKey:Key1] objectAtIndex:1];

    //for val41
    NSString *str = [[[self.data objectForKey:Key4] objectForKey:1] objectAtIndex:row];


    But the app is crashing.

    any suggestion??
     
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  2. robbieduncan, Mar 7, 2011

    robbieduncan Moderator emeritus

    robbieduncan

    Joined:
    Jul 24, 2002
    Location:
    London
    #2
    Post all of the code, specifically the creation of the dictionary, all variable declarations, header declarations etc. Also post the exact error message printed to the console.
     
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  3. huskerchad, Mar 7, 2011

    huskerchad macrumors regular

    Joined:
    Jul 17, 2002
    #3
    Key4 looks like it should be giving you back an array, so you shouldn't be sending it objectForKey: messages, but objectAtIndex: messages instead.
     
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