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edwardean/gist:2cb6f4315b6cf9bb82e24f641b7b1449

Forked from jordanekay/gist:8855193
Created September 3, 2016 14:19
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Debug -[UIScrollView setContentOffset:animated:] by changing duration
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gistfile1.m
NSTimeInterval duration = 3.0;
SEL selector = @selector(_setContentOffsetAnimationDuration:);
NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:[scrollView methodSignatureForSelector:selector]];
[invocation setSelector:selector];
[invocation setTarget:scrollView];
[invocation setArgument:&duration atIndex:2];
[invocation invoke];
[scrollView setContentOffset:contentOffset animated:YES]
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