Hi this is a sample code and there is no reset button in there and I have problem with make a reset button for this count down timer
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If you're new in Swift I advise you this Repository
https://github.com/soapyigu/Swift-30-Projects/tree/master/Project%2002%20-%20Stopwatch
There you have a simple Stopwatch (and 29 more simple Apps) with a intelligible source Code.
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I have a button which disables after it is pressed. I need To work out how to get the button re-enable after midnight, or the next day.
So I think I need the button to set the date in a variable after it is pressed. Then an if statement which enables the button if the variable does not match today's date.
Would that be the best way to handle it? Can anyone offer any rough code advice, or possibly advice of an easier way to handle enabling a button after midnight?
Thanks
Then an if statement which enables the button if the variable does not match today's date.
But the question is, an if statement where? Your code can only run if something makes it run. If your app is just sitting there, midnight can come and go and your button won't be enabled because the code that looks to see if it's a different day from the day you saved is not running.
The solution:
Register to be notified by the system when the day changes.
Woow finally some nice question... it's definitely possible... you can check this beautiful documentation by apple:
https://developer.apple.com/library/content/documentation/iPhone/Conceptual/iPhoneOSProgrammingGuide/BackgroundExecution/BackgroundExecution.html
Basically you have 2 or more solutions, just 2 comes to my mind right now:
1.) Use UserDefaults or CoreData (Userdefaults for one property is more acceptable I guess
2.) Run backgroundTask as mentioned above..
The first one is very basic solution... you get the date when the button was tapped and if the day is equal to the day you entered the screen later, you keep the button disabled, else you unlock the button and store again the date into the user defaults, this seems to me a little piggy if you ask me..
The second one is much more elegant, in a nutshell... You setup button with some actions and the last thing is disabling it. Then, you setup background Task that every next day the button becomes enabled again...
I am pretty sure you will find the codes somewhere else here, maybe you will find the first algorithm more useful for you..
Anyway wish you best luck and happy coding! :)
i have a question for you. i'm trying to create a countdown timer in Xcode 5 using the datepicker in "count down timer" mode. i tried several times but it still doesn't work. probably i miss something in my code. can you help me? thanks!!
After a new event is added... or an event is deleted I have to hit the next month button then go back to the current month for it to update the calendar properly. I got around this by using the calendarView.selectTodaysDate();. This seems to work for the most part on added events, however it doesn't work when an event is deleted
this is the module I'm using for the monthView:
Module Link
I'm thinking at this point maybe I could make the view refresh, but am not 100% sure how Titanium does that.
Any help would be sincerely appreciated!
I am using Core Graphics for my Paint App school project and i want it to have an undo button
but i don't know how, it's my first time to get this close to Objective C, any help?
i already have the button connected to its outlet and sent event, the code now is my problem.
thanks in advance!
You need to read up on NSUndoManager.
I didn't clear your question ,my assumption is when you pain with some colors in the view,you have to undo right?so you want to code cancel the last touch event of the view.The basic idea is cancel last touch.You can code it in tozuchevent delegates and call by that cede in button.
Hi i am in the process of making a tab bar application where one of the tabs is a calendar..
To make the calendar i am using the Kal open source framework
(http://github.com/klazuka/Kal)
I am currently trying to add an event creation button to add events
(exactly like the "+" button on the original iphone calendar!)
Could someone please be kind enough to show how i should do this?
NOTE: In order to make my question as easy as possible, i am using the "NativeCal" example project that comes with the Kal framework, which does exactly what i want.