Creating the Date Picker

Lay out a date picker exactly as you would a UIPickerView. The geometry is identical. After that, things get much, much easier. You need not set a delegate or define data source methods. You do not have to declare any protocols. Just assign a date picker mode. Choose from UIDatePickerModeTime, UIDatePickerModeDate, UIDatePickerModeDateAndTime, and UIDatePickerModeCountDownTimer:

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[datePicker setDate:[NSDate date]]; // set date datePicker.datePickerMode = UIDatePickerModeDateAndTime; // set style

Optionally, add a target for when the selection changes (UIControlEventValueChanged) and create the callback method for the target-action pair.

Here are a few properties you’ll want to take advantage ...

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