2014/10/15 下午 10:03:30

iphone Programming Glossary: addtimeinterval

How do I get the next and earlier date of the current date in iPhone sdk

http://stackoverflow.com/questions/1172698/how-do-i-get-the-next-and-earlier-date-of-the-current-date-in-iphone-sdk

an earlier date. If all you care about is a date that is before your current one you can do NSDate earlierDate date addTimeInterval 1.0 Which will return a date 1 second before date. Likewise you can do NSDate laterDate date addTimeInterval 1.0 for a date.. date addTimeInterval 1.0 Which will return a date 1 second before date. Likewise you can do NSDate laterDate date addTimeInterval 1.0 for a date 1 second in the future. If you want a day earlier you can add a days worth of seconds. Of course that is..

What is mach_absolute_time based on on iPhone

http://stackoverflow.com/questions/1450737/what-is-mach-absolute-time-based-on-on-iphone

no idea what it is based on. Look at the following behaviour today's date is 2009 09 20 lastRebootTime NSDate date addTimeInterval self secondsSinceLastReboot last Reboot Time will contain 2009 09 20 07 42 14 0100 I'm absolutely certain I did not reboot..

How to add a time interval to an NSDate

http://stackoverflow.com/questions/2329272/how-to-add-a-time-interval-to-an-nsdate

John iphone objective c cocoa touch nsdate share improve this question As DyingCactus states you can use the addTimeInterval method of NSDate but depending on the OS version is will create a compiler warning since it is deprecated in 10.6 as of..

iphone local notification in simulator

http://stackoverflow.com/questions/3588964/iphone-local-notification-in-simulator

UILocalNotification localNotif UILocalNotification alloc init if localNotif nil return NSDate fireTime NSDate date addTimeInterval 10 adds 10 secs localNotif.fireDate fireTime localNotif.alertBody @ Alert UIApplication sharedApplication scheduleLocalNotification..