March 2014
Intermediate to advanced
672 pages
40h 11m
English
Content preview from The Core iOS Developer’s Cookbook, Fifth EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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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:
[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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