Tag: NSTimeInterval
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Date and Time in iOS
The song says time is on my side, but I sometimes I wonder about that when trying to work with the time types in iOS. Let me show you some of the time types. In Xcode, Open up a blank playground. There are two primary types for working with time: TimeInterval and Date. Add this…
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How to Use Watch Timers and NSTimers in WatchOS2 and Swift
There’s a legacy from WatchOS1 which is not only frustrating but deceptive. While one would think that a watch would have easy to use built in timers, that is far from the case. WatchOS2 changed this situation slightly, but still makes timekeeping not as easy as one would think. There is a timer in WatchKit,…
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Swift Swift: Using NSTimer to Make a Timer or Alarm
With the launch of the Apple Watch it’s time for timers in iOS and WatchKit. Learning to use timers is a very important skill for most developers. There are many places we need to schedule regular intervals of time to do things. In my WatchKit series I’m writing a workout interval timer which tells the…
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Swift Swift: Using Dates and the UIDatePicker in Swift
When you set an appointment in the calendar app there is a control used for time measurements called the UIDatePicker. While not one of the most popular controls, it is very handy for working with dates. In this lesson we’ll find out how easy it is to work with. We also will cover some of…
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