Tag: stopwatch

Swift Swift: Using NSTimer to Make a Timer or Alarm

Posted on April 24, 2015 by Steven Lipton

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… Continue Reading “Swift Swift: Using NSTimer to Make a Timer or Alarm”

Category: ios8, Swift Programming, Swift Swift, TutorialTags: Alarm clock, App Programming, Apple swift, autolayout, countdown timer, formatting NSTimeInterval, iPhone Programming, NSTimeInterval, NStimer, stopwatch, swift, swift programming, timer, Timer loop, timers in Swift, Xcode

Living without Storyboards: Make a Working Stopwatch in Sprite Kit

Posted on May 22, 2014 by Steven Lipton

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Over the last few posts we’ve made a clock and stopwatch application in Sprite Kit. Last time, we added an animated button display for the stopwatch. This time we get the stopwatch buttons working. Get Our Variables in Order We will use several variables… Continue Reading “Living without Storyboards: Make a Working Stopwatch in Sprite Kit”

Category: GUI, ios7, Sprite Kit, TutorialTags: App Programming, Buttons, GUI, iOS7, sprite, Sprite Kit, sprite kit button, sprite kit UIButton, SpriteKit, stopwatch, timer, User interface

Make a Clock In Sprite Kit: Adding a Button for a Stopwatch

Posted on May 13, 2014 by Steven Lipton

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In the clock app so far, we have a date and a time. We can switch between them by tapping the screen of our phone. Most apps use a button for this, and it’s time we added our first button. Our app will now… Continue Reading “Make a Clock In Sprite Kit: Adding a Button for a Stopwatch”

Category: GUI, ios7, Sprite KitTags: App Programming, Clock, iOS7, Sprite Kit, SpriteKit, stopwatch, Tutorial