Adventures in Swift and iOS App Development
A tech author's work is never done. As soon as he or she completes manuscript and gets it published, the manuscript almost immediately becomes obsolete. In my case, Practical Autolayout for Xcode 8 went obsolete a day before I published, but I had no idea about a major change in Xcode 8.1. Until Xcode 8.1, if you …
In this lesson, we’ll take a look at tab bar controllers and how to add them in the storyboard. For more on implementing them completely in code see Swift Swift: Using Tab Bar Controllers in Swift. For more on data sharing once set up in the storyboard, see Passing Data in Tab Bar controllers The …
Continue reading "Tab Bar Controllers in Xcode 8 Storyboards"
Some people don't like Interface Builder and like to code instead. Sometimes your layout is so dynamic you need to lay out in code. In either case, programmatic layout of views becomes the answer instead of auto layout. In Xcode 7 Apple introduced stack views. In an earlier post, I introduced stack views in Interface …
Continue reading "How to Add Stack Views Programmatically and (almost) avoid AutoLayout"
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 …
Continue reading "Swift Swift: Using NSTimer to Make a Timer or Alarm"
[Updated to Swift 2.0/iOS9 9/21/15 SJL] While Navigation controllers often have the limelight when it comes to Xcode controllers, Tab Bar controllers are great for independent tasks in the same app or for different ways of working with the same model. In this lesson, we’ll take a look at tab bar controllers and how to …
Note: When I originally posted the Basic Auto Layout video on YouTube, I recorded it live and did not make a script I could post underneath it. This post makes the same UI as the video, but with a few differences in depth of material and process to illustrate how to handle autolayout errors and …
Continue reading "Basic Auto Layout: A Practical View for Beginners"
In the conclusion of our series on auto layout, we'll discuss the regular size for iPads and one side of the iPhone 6 plus. We'll make a line of evenly spaced buttons using auto layout, first for the iPad, then again for the iPhone 6 plus in landscape with its odd regular width, compact height …
Continue reading "Auto Layout and Size Classes: The Regular Size and Lining up Buttons Evenly"
Transcript Welcome to this quick lesson on auto layout and proportional spacing of elements. In the previous videos, we used equal widths to set the spacing for various elements in auto layout. But what if you want the sizes to be different? For example, what if in the app we are working with the buttons …
Last week we looked at the basics of auto layout, this week, we learn Diagonal Control Drag Using the layout error panel for misplaced layouts Introduce Size Classes Make a different layout for iPhone in portrait with Size Classes Transcript Hello, I’m Steve from MakeAppPie.com. In this video we are going to learn some more …
Continue reading "Swift Swift: Using Auto Layout with Size Classes"
This is one of several videos I'm making about Auto Layout and Size classes. In this first video, I'll put together a user interface and with Auto Layout. I'll also show how to use the preview mode so you can see the UI on any iOS device without running the simulator. For an in-depth look …
