I am working on time based reminder App. in which the user enter his reminder and time for the reminder. The problem is that how to continuously comparing the current time with the user defined time. Any sample code will greatly help. because i am stuck on this point.
Creating a Time Based Reminder App in iPhone
9.6k views Asked by Fahad Jamal At
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Simon Lee
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Why not use NSLocalNotification
which you can set for a specified time, much like a calendar event. Alternatively you can add calendar events to the users calendar with EKEventKit
Tutorial for local notifications.
Tutorial for event kit.
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Comparing the current time vs. the user defined one is not the right design pattern.
UIKit offers the NSLocalNotification object that is a more high-level abstraction for your task.
Below is a snip of code that create and schedule a local notification at the choosen time:
Also, be sure to setup your AppDelegate to respond to local notifications, both at startup and during the normal runtime of the app (if you want to be notified even the application is in foreground):
More details at the Apple Developer Documentation.