Debugging iOS: How do I break on property value change?

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I am trying to find out how a UIViews transformation matrix is being modified. Thus (using the gdb console) I'd like to watch for any/all changes of the UIView's transform property. How would I go about doing so?

gdb objective-c properties debugging ios
3 Answers

If you're like me, and don't write in Obj-C, here's a quick Swift way to do it for beginners.

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Just add a didSet to the property, and a breakpoint inside the block.

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