Comments (6)
Hey I'm a little confused with your question. Can you clarify a bit more? startWithSeconds
will start the timer that expires in the specified number of seconds
.
Do you want to pass in an NSDate
in the future, and then your circleCounter
object will calculate how many seconds are remaining until that NSDate
(and then also start the timer)?
from jwgcirclecounter.
Hi,
i want that the user can select the countdown time with a uidatepicker.
from jwgcirclecounter.
At the moment, you can only start a circleCounter
if you know the number of seconds into the future for when the timer should expire.
But if I understand you correctly, you should be able to do something like this:
The UIDatePicker
has an NSDate
on it. You can call yourDatePickerObject.date
to get it. Then compare the selected date to now to determine how many seconds into the future that is.
NSDate *selectedDate = yourDatePickerObject.date;
NSTimeInterval seconds = [selectedDate timeIntervalSinceNow]; //be careful of negative return values
[circleCounter startWithSeconds:(NSInteger)seconds];
from jwgcirclecounter.
Thank you,
now i have this error "Terminating app due to uncaught exception 'JWGInvalidTime', reason: 'circle counter timer length -542'.
The DatePicker is for picking hours and minutes, not for a date.
from jwgcirclecounter.
I recommend you read the docs. When you call timeIntervalSinceNow
, it'll return a negative number if you passed in an NSDate
that is before now. Check that the date you're passing in is later than now
to get a positive number.
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Any luck? I'll resolve for now, but reach out if you have more questions.
from jwgcirclecounter.
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