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Training and Instructional Design
Tag: picker view
Time Picker Part 2: Strings to Time Intervals
In the last tip, I showed you how to use UIPickerControllers to make a time interval input. What I didn’t show you is how to output that. In this tip I’ll show you how to read and convert data from a picker that has…
Protocols and Time Pickers
While there is the date components picker, sometimes you want a picker the gives a time interval in seconds. In this two-part tutorial, Let me show you how to set up one, and discuss some good uses of protocols beyondself If you download the…
This Old App: Why I Hate PickerViews, but Learned To Love Them.
A few months ago, Apple removed my app Interval RunCalc from the App Store for being too old. In this series of articles I’ll document what I did on rebuilding and improving the app. In the last installment, I placed my new model into…
Data Entry with UIPickerView
The keyboard can be a curse. Trying to validate data via keyboard can be a nightmare for many projects. One solution to this problem is using a UIPickerView to limit the values the user can enter. In this lesson, we’ll explore the UIPickerView for…
Converting Objective C to Swift : The Circular Picker View Example
Swift is a new language. Objective C is not. Sometimes you have some Objective C code and want to make it into Swift code. I had a case of that this week when a reader asked me about continuous picker view wheels. If you…
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