objective c - IOS : How to run a method in Background when app is killed -


can tell me how run method in background when app killed, want time continuously specific scenario when date changed, on specific time want show alert or notify user forgot checkout. how able it. thanks

for have create local notifications.

local notifications , push notifications ways application isn’t running in foreground let users know has information them. information message, impending calendar event, or new data on remote server. when presented operating system, local , push notifications , sound same. can display alert message or can badge application icon. can play sound when alert or badge number shown. according notifications introduction apple

you check notifications section on apple website

please go through these tutorials further enhance knowledge , implement notifications.

ios-programming-local-notification-tutorial - i

iphone-programming-tutorial-local-notifications - ii

local-notifications-tutorial-add-a-local-notification-to-your-iphone-app - iii hope these help.


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