Static library, the timer NSTimer invalid?

I wrote a static library, which has a timer, but found no response timer, the timer will not go into?

Is it a static library does not support timers do? ?

Reply:
This. . Make sense of it
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cited a floor reply:

this. . Make sense of it

I also find it strange ah! !

Reply:
The tricky tile
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Know how it happens, Lib commissioning of NSObject found no running from it! !