Tuesday, 26 July 2016

How to create a DatePicker in iOS using Objective C

The UIDatePicker class implements an object that uses multiple rotating wheels to allow users to select dates and times. iPhone examples of a date picker are the Timer and Alarm (Set Alarm) panes of the Clock application. You may also use a date picker as a countdown timer.
When properly configured, a UIDatePicker object sends an action message when a user finishes rotating one of the wheels to change the date or time; the associated control event is UIControlEventValueChanged. AUIDatePicker object presents the countdown timer but does not implement it; the application must set up anNSTimer object and update the seconds as they’re counted down.

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