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Always YES?

[NSThread isMultiThreaded]

always returns YES

for my iPhone app, both in the simulator and on the device, even if I run it in applicationDidFinishLaunching:

.

Was this expected?

(I'm using Snow Leopard if that matters).

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2 answers


Completely normal. This is almost always true for Mac applications, unless you create a command line application that doesn't use AppKit.



In particular, Core Animation, Core Audio, and maybe some other parts of Cocoa will generate background streams on your behalf.

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It seems that the layout and animation of the UIView layer is done on a thread (spawned by Cocoa).



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