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A Beginner’s Guide to iOS App Development-Service One Marketing in Phnom Penh

Index » News » A Beginner’s Guide to iOS App Development-Service One Marketing in Phnom Penh

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In spite of the dominance of Android devices in the market, it doesn’t mean that only Android has all the benefits for an app developer.

So, before we jump in and start helping you develop a stellar iOS app, let us talk about why you must develop an iOS app.

  • iOS is a lot faster than any Android device
  • iOS apps run a lot smoother with almost no glitches
  • iPhones or iPads function pretty much in the same way, whereas Android devices vary in their construct & functioning wildly
  • iOS apps earn much higher revenue from the App Store
  • All iOS apps can be used in any MacOS. An equivalent functionality is missing in case of Android app
  • Using an iOS device, the iOS apps can be shared with friends and family. Another feature that is not yet developed for Android


Things to do before writing an iOS app

While it might be tempting for you to dive head first and start writing your iOS app because that is where all the action lies. Following processes can get tedious but there is merit in it.

It is important that you chalk some time out beforehand to set up the project in the right direction. Now, you might think that it is eating away into your time right now, but trust me, you are doing yourself a favor and saving a lot of time in future.

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The points I am going to list below are especially important if you have a team of professionals working on app development. These considerations would definitely reduce potential frustration of your team and increase your app quality.

#1 Create Coding Style Guides

A Coding Style Guide specifies the style and conventions that would be followed while coding in any specific language.

This guide would have guidelines for decisions like whether you should use tabs or spaces, the system of naming the variables, or specific conventions that you would be following for particular languages, for example in Swift would you be using Classes or Structs.

We can’t really deem a coding style right or wrong. You can set up the coding style that is unique to you, but while working with a team, it is important that they follow the style guidelines that you set up. Doing so would ensure that your code stays uniform and is easier to read.

If you are having trouble setting these up, some of the companies have made their coding guidelines for Swift & Objective-C open source and you can take a look at them before setting your own up.


#2 Plan the App Architecture

Before you jump up and dive into the process of coding, it is imperative that you first decide upon and fixe the architecture of your app. Having a good app architecture makes your app more testable, comparatively easy to comprehend, and brings down the maintenance costs.

You can opt to go for the traditional MVC architecture if it suits you, and if it is something fancier that you are looking for then you can go for MVVM or VIPER.

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You can find lots of resources online which can describe these architectures and you would be better equipped to take care of this point.

#3 Create an App Folder Structure

While it might seem like nothing to dump everything in a single root folder (and easy), but if you do not follow any kind of structure you would be left with hundreds of source files ending up in one big indescribable heap.

To avoid this eventuality, it is a good idea to develop a folder structure for the app which would be defined and determined by the architecture of your app.

Once you have a clear idea of it, first create the folders as groups within the group and put the name of your project in XCode’s Project Navigator.

Next, for each of the groups, create links to an actual directory in the path of your project by opening their File Inspector on the right, clicking on the little grey folder icon, and then creating a new subfolder sporting the name of the group in your project directory.

Though while doing this, you may feel that it is only a minor thing, it actually makes your app a lot more structured and much easier to understand.

#4 Managing the Dependencies

When you are developing an iOS mobile app, it is natural that you would be using certain third-party libraries in your app.

Primarily there are three ways to manage the dependencies in your project.

  • CocoaPods

    This is the apt dependency manager for Swift & Objective-C Cocoa projects. The system has almost about ten thousand libraries and thus has the potential to help you scale any project in quite an elegant fashion.

    The system is especially effective when it comes to the management of dependencies that are somewhat similar in their approach to RubyGems.

  • Github Submodules

    Git submodules are a great way to organize your dependencies as sub repos. The submodules have a clear advantage over Cocoapods, simply because submodules are sub repos.

    This is big, because it means that git and git GUIs implicitly recognize them and an increasing number of them support working with them easily! Additionally, it also means that your dependencies stay connected in the ecosystem where the git repos exist.

    However, like any other system, this too has its limitations. The downside of using Github Submodules is that your project would not have the source for code that you can depend on, in future. It only has a reference to the submodule’s repository which, in most cases is not even under your control.

  • Carthage

    This one is specifically designed with an intent to be the simplest way to add frameworks to your Cocoa application. It creates framework binaries leveraging xcodebuild but leaves the responsibility of integrating them on to the user. Though the approach of Cocoapods scores high on usability, but the approach of Carthage is particularly flexible and non-intrusive.

    However, there is a big limitation in this system – Carthage only supports iOS 8 or later versions.

#5 Plan Suitable Schemes for the App

Schemes are responsible for communicating to the XCode which actions should happen when you initiate actions like Run, Test, Profile, Analyze, Archive, or any other action. What they basically do is map every action to a target and a build configuration.

Additionally you can also pass launch arguments like the language that the app would run in which is a pretty important point when you are trying to localize your app, and can even set some diagnostic flags for debugging.

#6 Create Appropriate Certificates & Provisioning Profiles

Yes, it is a painful step, but it is one of the most important steps and is imperative for testing and distribution of any iOS app. You require certificates for code signing in order to be able to run your app on an actual device. There are two kinds of certificates:

  • Development Certificate

    Every individual developer has their own development certificate and it is generated on request. Though XCode can do this for you, but it is better to try and understand the issue before simply going and pushing the “Fix Issue” button.

    You need this certificate to be able to deploy the development builds to the devices.

  • Distribution Certificate

    Though it is possible to acquire several of these, still it is a good idea to stick to just one per organization, and then share the key for it through a specific internal channel.

    You need this certificate to ship to the App Store or even to your company’s enterprise app store internally.

Provisioning profiles are arguably the most confusing element of the system. A provisioning profile determines and suggests the devices for which an application is correctly signed.

#7 Plan A Continuous Integration & Delivery Process

In recent times, it has become extremely important to set up a continuous integration & delivery process so that most bugs can be squashed in good time, at the right time in the development cycle, thus saving the developers a lot of time.

  • Continuous Integration

    It is a development practice which needs the developers to integrate the codes into a shared repository multiple times in a day. Each of the check-ins is verified through an automated build, enabling the teams to detect any bugs early.

    There are a number of tools like XCode Server, Jenkins, Travis CI and others that are great when it comes to implementation of continuous integration of iOS apps.

  • Continuous Delivery

    This is more of a software engineering approach where teams create software in short cycles making sure that the software can be reliably released at any time. The intent of this system is building, testing, and releasing the software quickly, and more frequently.

Top tips for iOS app development

Irrespective of the amount of experience or expertise you have in app development, tips and tricks can always come in handy.

1) Come Up with A Detailed App Development Plan

Any project that is not planned well is destined to fail with little chance for redemption. The points that we have discussed above would definitely prepare you and help you develop a great app. Also, before you start working on the actual app development process, it is important that you take the decision whether you want to develop an app for iPhone or iPad.

The next step is to define the goal of the app. A typical Apple user is used to high performing and usable apps; hence it is important that as an app developer you have the ability to develop a high performing iPhone app.

2) Stick To Simple

Keeping it simple is not as easy as you would think. When your app design is simple, the complications of the process are eliminated. It is of course possible to change the designs later, once you have gained some experience and have attained a measure of confidence. To begin with, however, it is advised that you begin with a really simple design that is comparatively easy to use while still being unique.

3) Coding Is The Hero

Your experience and expertise as a coder determine your comfort in app development. This difficulty was minimized by Apple in 2018 with iOS 8 and Swift. The now popular programming language, Swift is powerful and quite easy to understand while still being fast, safe, and interactive.

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4) Incorporate Features Aimed at Increasing User Interaction

You must ensure that the app has amazing app interactions. Whether it is an iPhone app or iPad app, an app that has better user interaction is bound to fare well with your app users. This interaction quality must also be cohesive and translate well with website or any other digital estate that the brand has. This means that if your users are choosing products or services to buy from your mobile app, they can simply choose to make payments from their websites without having to look for the same products again!

What we mean to say here is that a good iOS app developer would know how to create iPhone apps to optimize the content on apps and on website.

5) Plan for Compatibility with All Versions

iPhone has a pretty loyal following and the iPhone enthusiasts tend to wait for new products and get in line to buy them as soon as they are available on the racks! This, however is sort of a luxury that not everyone can afford. In fact, there is a good population of iPhone or iPad users who, even today are using the older versions of iOS.

If the app that you are building is not compatible with all the existing versions of the, you stand lose out on a huge chunk of users. Not really a profitable deal, right? If you are doing this for a client, then you would be robbing them of the potential traffic in case any of the iOS versions don’t support the app. If you lose out on this sizeable traffic, you are bound to lose out on a proportionate amount of profit as well.

6) Create A Mobile Marketing Application

A typical mobile application is by design quite practical, primarily functional, preferably inexpensive, and highly interactive. If you are good at iOS app development, you would be able to make improvements to the app and add an edge to the application by integrating different social media and networks.

This is one of the most interactive methods of marketing that can help any business build a strong and meaningful relationship with the right kind of consumers. If you can manage to forge a strong customer relationship, the customers would definitely pay a lot more attention to the mobile app.

iOS mobile apps that include a strong marketing feature in the mobile app do a lot better than those apps that do not. It also goes a long way in helping the app owners target the exact medium where the audience or traffic is coming from and also in helping the app to be promoted on various relevant media.

7) Consider Battery Consumption

Battery consumption and battery life is one of the most concerning issues for mobile phone users who are planning to download or install an app on their device. An iPhone user has some expectations in this regard as well.

It is only logical that any high performing processor and process would eat away into the battery reserve resulting in low battery in quite a short period of time.

In general, most of the iOS app developers or agencies do not take into account the battery consumption and hardly do they ever take any special measures to save the battery life of the device. This in fact is one of the major reasons that may cause great dissatisfaction among the app users, annoys them, and may even lead to them abandoning or uninstalling the app.

Including some measures in this direction is bound to give you an edge over your competition. Though, it is extremely important that you test the app out before you launch it.

8) Consider iPad Apps

Most of the iOS developers who are working to develop apps for iPhones, should also think whether they want to add a version of the application for iPad. The cool thing is that iPad app development is not so different from iPhone app development!

There are a few differences though between app development for iPhone and iPad like resolutions, calling features, and in terms of rich designs.

Since the screen resolution and size of iPads are quite different from the iPhones so extra care must be observed while developing apps for the former to ensure that the richness of the apps is maintained across the devices.

9) Plan for The Traffic

When you have taken the efforts to create an app that is unique, useful, entertaining, interactive, and manages to satisfy the target customer group, it is only natural that it would receive positive and interested audience or traffic.

It is therefore important that you equip yourself with as many different approaches as possible to be able to respond to all that traffic immediately.

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