What does writing good Swift code mean? Since the release of Swift, there hasn’t been consensus, from Apple or the community, on how types and methods should be named. In this course we go over the new set of guidelines established with Swift 3 and how we can make the changes in our code.
Once you go all-in on an iPad, the time will come, probably on the first day, when you want to fling your tablet through a window and retreat to the comforting embrace of your laptop. Don’t give in! This works, but takes getting used to. Embrace the focus that comes with seeing just one or two apps at a time. Learn to reach for the screen rather than the trackpad. Take the trouble to fine-tune your notifications so you aren’t bombarded with ESPN alerts while finishing that quarterly report. Mostly, just give it time. Breathe.
However, if you want the dock back because you want to open (or switch to) another app without having to press the iPad’s home button to go back to the Home screen, just swipe up from the bottom of the screen to make the dock reappear. You can then tap an app in the dock to open that program.
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Thinks of the features your app will incorporate. Make the list as simple as possible – include only the features that you need for the app to achieve the purpose. Then add one or two creative and engaging features that will make the app stand out from the crowd.
We commit to contribute to the developer community, and love to help our readers learn to code. This is why we publish weekly tutorials to share what we know. For free tutorials, however, we are short of resource to review and update all published tutorials whenever a new version of iOS is released. So some of the free tutorials may not be compatible with the latest version of Swift or iOS. You will need to modify some lines of code to make it work.
Updated for iOS 10 and Swift. Tools and APIs required to build applications for the iPhone and iPad platforms using the iOS SDK. User interface design for mobile devices and unique user interactions using multi-touch technologies. Object-oriented design using model-view-controller paradigm, memory management, Swift programming language. Other topics include: object-oriented database API, animation, mobile device power management, multi-threading, networking and performance considerations.
With plans to slowly retire the long-used Objective-C, Apple has introduced a new programming language, called Swift, for designing apps and applications to run on Apple iOS devices and Apple Macintosh computers.
You should also monitor your app’s reviews for ideas and suggestions, in case there are changes you can make to improve your app based on user feedback. The best way to show your users that you value their feedback is to quickly put out updates based on their suggestions — and that kind of speedy reaction time is something you can achieve more easily than most developers by taking advantage of Andromo.
Andromo is a website that lets anyone turn an idea into an Android app. It auto-magically transforms simple online settings into custom Java source code, compiling and linking it using Google’s official Android SDK. You get a stand-alone, native Android app that follows the Android design guidelines and is indistinguishable from an app that was coded by hand.
Let’s do this now and call our class myClass. XCode created both the interface and the implementation files for myClass and added the code we need to get started. The interface file is the one that ends in .h. If you open that file you will see the code that XCode automatically filled in for us.
The removal of the NDA led to the launch of Apple’s iPhone University program, giving instructors and students all the software needed to code for the iPhone for free. This program made Stanford’s iPhone development course possible, and other universities have plans to offer iPhone classes as well.
Even if don’t want to learn Objective-C and go 100% the Swift way, learn this short course — it’s a very good starting point and knowing these topics should be enough for a Swift developer to not drown in the Objective-C sea.
It is also now possible to use OCaml for developing iOS applications. It is not part of the standard distribution and requires modifications provided by the Psellos company. See here for more information: http://psellos.com/ocaml/.
34 Closed CaptioningVideo5. Protocols and Gestures (October 11, 2011) – HD Paul Hegarty covers autorotation, protocol implementation, and gesture recognizers. (October 11, 2011) 11/14/2011 Free View in iTunes
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This course is designed for programmers with a basic background to extend their programming skill, and develop applications for Apple handheld devices in the iOS platform. It aims to familiarize students with the Xcode and Interface Builder development environment, and they should be able to apply the programming skills in their own application development.
40 Closed CaptioningVideoDebugger (September 30, 2011) – HD Paul Hegarty outlines the debugging process, demonstrating the different tools and methods. (September 30, 2011) 1/16/2012 Free View in iTunes
If you get really stumped, try by process of elimination. Comment out and/or carefully bypass areas of your code and run it. Sometimes you can narrow down the general area and then eventually home in on the responsible line. When you know where it is, you can fix or rewrite it. Remember, using Google can often provide you with the quickest direct links to internal Apple forums or documentation that deal with your issue.
Once you have your app drawn out on paper or in Photoshop, you can start designing it with the templates provided in the SDK. This is where that HUGE amount of download time will be a huge benefit. You will have lots of templates to choose from, and there are lot of great YouTube clip tutorials on how to use the templates effectively.
Good Barber provides a platform to build iPhone and Android apps, allowing you to take control of every detail of your app without producing a single line of code. Nine colorful, highly customizable design templates are available to get started, with 350 beautiful icons and access to over 600 Google Fonts.
With so many third-party libraries out there it’s easy to add amazing features to your apps simply by building upon what other developers have shared. Unfortunately, keeping those dependencies up-to-date can be a challenge unto itself. Let’s walk through Carthage, a widely-used Dependency Manager that will help keep your libraries in order.
You can change the initial screen by selecting the view controller you want to lead with from the project outline. Click the Attribute Inspector button and check the “Is Initial View Controller” box. For example, if you are making a to-do list, you’ll want the actual list to be the first thing the user sees when the app is launched.
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With a solid plan in place we get to work drawing up wireframes and mapping the user experience (UX). Our user interface (UI) designers pick it up from there to create the graphical elements, branding assets, and style guide.
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The cheapest way to have your own hosted development environment is getting a VPS, configure it, and use it over SSH. Before my Mac mini, I used a box from Digital Ocean that I set up on my own. It’s cheap and quick. You can create backup images to reuse later if something gets messed up. They also have a great community site which have everything you’ll need to know about setting up a VPS for different needs. I can’t recommend them enough.
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As an experienced programmer, I see that this course uses not the best coding practice, but this course is a great overview of IOS development features for those who decided to be IOS developer after some development experience.
What I will not address, however, are the costs for working with freelancers or offshore companies. Even five years later, my $10,000 demarcation point is useful. If you have less than that, you will most assuredly not be able to work with a reputable firm.
One thing that is significant though is that when you use primitive types as properties the syntax is a little different. For example, I am going to add a number property to my class that is an integer. Notice that it is done in a slightly different way: