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Answer by Basil Bourque for Getting time elapsed in Objective-C
The other answers are correct (with a caveat*). I add this answer simply to show an example usage:- (void)getYourAffairsInOrder{ NSDate* methodStart = [NSDate date]; // Capture start time. // … Do some...
View ArticleAnswer by Senseful for Getting time elapsed in Objective-C
You should not rely on [NSDate date] for timing purposes since it can over- or under-report the elapsed time. There are even cases where your computer will seemingly time-travel since the elapsed time...
View ArticleAnswer by Wayne Uroda for Getting time elapsed in Objective-C
For anybody coming here looking for a getTickCount() implementation for iOS, here is mine after putting various sources together.Previously I had a bug in this code (I divided by 1000000 first) which...
View ArticleAnswer by Marco Lazzeri for Getting time elapsed in Objective-C
Use the timeIntervalSinceDate methodNSTimeInterval secondsElapsed = [secondDate timeIntervalSinceDate:firstDate];NSTimeInterval is just a double, define in NSDate like this:typedef double NSTimeInterval;
View ArticleAnswer by Jason Coco for Getting time elapsed in Objective-C
For percise time measurements (like GetTickCount), also take a look at mach_absolute_time and this Apple Q&A: http://developer.apple.com/qa/qa2004/qa1398.html.
View ArticleAnswer by Raj for Getting time elapsed in Objective-C
use the timeIntervalSince1970 function of the NSDate class like below:double start = [startDate timeIntervalSince1970];double end = [endDate timeIntervalSince1970];double difference = end -...
View ArticleAnswer by Can Berk Güder for Getting time elapsed in Objective-C
NSDate *start = [NSDate date];// do stuff...NSTimeInterval timeInterval = [start timeIntervalSinceNow];timeInterval is the difference between start and now, in seconds, with sub-millisecond precision.
View ArticleGetting time elapsed in Objective-C
I need to get the time elapsed between two events, for example, the appearance of a UIView and the user's first reaction.How can I achieve it in Objective-C?
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