Re: Linking to MLMediaSourcePhotosIdentifier
Re: Linking to MLMediaSourcePhotosIdentifier
- Subject: Re: Linking to MLMediaSourcePhotosIdentifier
- From: Roland King <email@hidden>
- Date: Thu, 23 Apr 2015 13:30:09 +0800
>
> What is a clean way to detect whether an externally linked string exists, and if it does not, to supply it myself?
>
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.
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