> On 23 Apr 2015, at 13:38, Graham Cox <graham....@bigpond.com> wrote:
>
>
>> On 23 Apr 2015, at 3:30 pm, Roland King <r...@rols.org> wrote:
>>
>> Check if the address of the string constant is NULL. If it is, it wasn’t
>> found. That’s the same as checking for weak linked methods.
>
>
> But that test itself crashes…
>
>
> i.e. if I do this:
>
> if( MLMediaSourcePhotosIdentifier == nil )
> {
>
>
> ...
> }
>
> I get EXC_BAD_ACCESS.
>
> —Graham
>
>
That’s because you didn’t read properly. Check if THE ADDRESS OF THE STRING
CONSTANT is NULL.
The address of the string constant is &MLMediaSourcePhotosIdentifier
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