Re: NSMutableArray is null?
Re: NSMutableArray is null?
- Subject: Re: NSMutableArray is null?
- From: Pierce Freeman <email@hidden>
- Date: Tue, 31 Mar 2009 19:32:56 -0700
- Thread-topic: NSMutableArray is null?
In my instance variable programming, I totally forgot that even for instance
variables you have to do that code. :) Sorry for any inconvenience for such
a stupid question.
On 3/31/09 7:17 PM, "Bryan Henry" <email@hidden> wrote:
> You declared a pointer to an instance of NSMutableArray as an instance
> variable of Example_Class (its in no way global) there, but you didn't
> create an instance of NSMutableArray. Did you do something like this
> at some point?
>
> globalVariable = [[NSMutableArray alloc] init];
>
> - Bryan
>
> On Mar 31, 2009, at 10:12 PM, Pierce Freeman wrote:
>
>> Whoops, sorry I didn't put that in...
>>
>> @interface Example_Class : NSObject {
>>
>> IBOutlet NSTableView *tableView;
>> NSMutableArray *globalVariable;
>> }
>>
>>
>> On 3/31/09 7:09 PM, "I. Savant" <email@hidden> wrote:
>>
>>>
>>> We *can't* assume anything. You left out the most relevant part of
>>> your code: how are you creating "globalVariable"?
>>>
>>> --
>>> I.S.
>>>
>>>
>>>
>>> On Mar 31, 2009, at 10:05 PM, Pierce Freeman wrote:
>>>
>>>> Hi everyone:
>>>>
>>>> I am having a strange problem with NSMutableArray which is that it
>>>> doesn't
>>>> seem to work with addObjectsFromArray. I try setting this for a
>>>> "global
>>>> variable" (forget what they are called in Cocoa) and it just
>>>> returned null.
>>>> Here is my code (assuming that global Variable is the global
>>>> variable which
>>>> is a NSMutable Array):
>>>>
>>>> NSArray *testing = [NSArray arrayWithObjects:@"testing", @"testing",
>>>> nil];
>>>> [globalVariable addObjectsFromArray:testing];
>>>>
>>>> Thanks for any help.
>>>>
>>>>
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>>
>>
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