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Pros and Cons of Client app development options

Pros and Cons of Client app development options

Sanjo Thomas•00:05:00

 In this blog we will see all the pros and cons of client app developmetn options

Choosing the Right Approach

In my previous blog, we saw the 3 development approaches for mobile development:

1)      SAP Cloud Platform SDK

2)      Mobile Development Kit

3)      SAP Mobile Cards

Each of these things, these options, has pros and cons, and is good for certain things.

SAP Cloud Platform SDK – Native Development Approach



So the big pro for going native is that you have full control and the best possible performance on a mobile device. This includes all the feature set that is natively available to you when you development directly within the platform. You have the look and feel of the platform
automatically and all the device features are at your fingertips.

This makes it good for applications that have a specific UX requirement. So if you want to have a video flying in from the right in your application, or a background video going on, you'll want to have special animations, screen transitions. All these things can be managed very easily in a native application.

Offline apps which you're using the whole day, are also very good approach for going native.

So the required skills depend on the platform you are developing for. You're typically either an iOS developer or Android developer. So for Android, you probably would need Java or Kotlin language knowledge, or Kotlin language knowledge, And for iOS, you would use Xcode, so the IDE knowledge, and obviously Swift as the programming language.

 

Mobile Development Kit


Mobile development kit is providing standardized look and feel, but it's native. It also gives you a lot of predefined frameworks and screens that simplify the app development. So it's very easy once you get started. And it enforces user experience consistency. That means that all your apps look the same. It's very good for applications that you see in enterprises, so where you have lists of data, where you
manage data objects, where you modify those objects, start processes, and this typical CRUD, This is what you would use the mobile development for.

It has been designed for offline applications, so it's also very good for using offline applications. The skill set that you need for mobile development kit are a bit typical, which I will be publishing in the coming blogs. But also, you can leverage HTML skills, JavaScript, and style sheet skills.

 

SAP Mobile Cards



Mobile cards is a very simple user experience and the user experience is basically already set. So there's less or no coding that you need to do  You have a quick time to market. And it's cross-platform and it integrates automatically into the underlying operating system. So for instance, push notifications, you don't need to care, it's already managed for you.

It's very good for functionally reduced micro-applications. So data entry, for instance, of applications with multiple screens - this is not what Mobile Cards is designed for. But if you want to see data and react to data, and the data should come in proactively to the device, to the user, then it's the right way to go for Mobile Cards. The required skill set is very familiar to many, many developers.

So you need HTML, style sheets, and optionally JavaScript. You can also create mobile Web applications, so basically Web sites that you render nicely on a mobile device. This is OS-agnostic, it's very cost efficient. Has a large device compatibility - that's no problem. It's very good for simple to complex apps, towards the simple apps. It usually does not require offline features or many native features, like push or others. But due to the progress in recent years, mobile Web applications have been tremendously making steps forward. So now you can, for instance, use barcode scanning in the application, without having an Apache Cordova framework or similar things. The required skill set here would be JavaScript, Web IDE for instance, UI5, maybe Apache Cordova, maybe not. If you want to go for progressive Web
applications, you probably don't need that.

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Introduction to Client App Development options

Introduction to Client App Development options

Sanjo Thomas•00:01:00

In this blog, we will check the various variety of app development options

·       SAP Cloud Platform SDK

·       Mobile Development Kit

·       SAP Mobile Cards



SDK for iOS



The SDK basically consists of four components:

1)      One is the SDK itself, which provides all the libraries that an application developer would put into his application, in order to leverage the services from SAP Cloud Platform Mobile Services.

2)      The Assistant is the second component, and the Assistant helps you to quickly get started with the iOS SDK and it generates projects for you that you can use to jumpstart your application
development.

3)      Then there is the third component, which is the SAP Fiori Mentor. The Fiori Mentor is an application that runs on the iPad. It's a companion application that you would put beside your Mac, in order to help you browse the UI controls that the SDK provides, adjust the properties and the visuals of the UI controls, and then copy the code into your project that is needed to make this exactly available.

4)      And the fourth component is the iOS design language, which is also part of the SDK. There are UI controls provided so that once can use in order to build a mobile application and provide the screens.

The Assistant of the SAP Cloud Platform SDK for iOS is a standalone application for your Mac that helps you to connect to Mobile Services, generate application configuration on the server, and generates locally a project, an Xcode project for you. With the help of the Assistant, you can manage your projects and your dependencies quite easily and it's all that you need to get started with the iOS SDK.

The SAP Fiori Mentor, It's designed to fit on your iPad screen and the idea is that you can browse through the variety of UI controls, select the one that you want to use in your application, and adjust the properties.

The UI controls of the SAP Cloud Platform SDK for iOS are not just simple labels in a Fiori style. They are componentized objects, which helps you to have complex screens and layouts, and these layouts are already pre-defined. This helps you to get a consistent view across all of your applications that you build with the SDK, and obviously, you can also add your own UI controls and use standard UI controls in parallel.

SAP Cloud Platform SDK for Android



Android SDK consists of the SDK, it provides also a wizard, which helps you to generate applications, and UI controls that a list of UI controls that you can use for your
screens.

The wizard here is not a standalone application, but it integrates into the Android Studio, the de facto standard for development for Android.



Here, you would also connect to your Cloud Platform accounts, but particularly to Mobile Services, generate applications, adjust settings of your application, and consume the services from your server.



Also, here we have Fiori controls, that you can pull into your application to have a consistent look and feel across your applications. Similarly, it's not the case that we just have simple labels that are Fiori-styled, it's more than just that.

Mobile Development Kit

The mobile development kit helps you to create cross-platform applications that you write, define once, and then you can use it in the native way on Android and iOS at the
same time. You just need to build them once and you can consume them on iOS and
Android.

 

The mobile development kit basically consists of three parts:



one is the design time, one is the runtime, which in this case is the Mobile Services itself, and then you have a runtime player on the device, which executes what you have built and executes your application, in order to run it and bring it to your users.

SAP Mobile Cards

 

Mobile Cards is SAP’s take on micro-applications as well as an easy way to get started with mobility. The development of mobile application is very reduced, so you don't need to be a full-fledged app developer to create a Mobile Card. A simple skill set, like HTML, a little bit of JavaScript maybe, and style sheets will get you started to bring enterprise data to your users.



Mobile Cards comes also as a cross-platform development option, so you build a card once, and it runs on the Mobile Cards on Android and iOS as well.

The behavior of the Mobile Cards is very similar to what you may know from the wallet or passbook-like application, but this time, it's not the boarding pass that is in your
application, it's business information, represented as a card. And it comes with a lot of pre-defined content. For instance, you can easily use Fiori
applications and extract content from Fiori applications as a
card. It also integrates very easily into other existing SAP business applications,

 like Ariba, SuccessFactors, Concur, and more. It allows you to run workflow approvals, for each leave request you would get a card and then you can reject or accept the leave
request, directly from within the application. And the most interesting feature here is that you can build custom cards.



A simple Mobile Card basically consists of two things. An HTML template, which is filled with data from a back- end system, we merge that using Mobile Services, and then you consume it on the device. A card consists of a front side, but you can only also flip the card and see more detailed information about that item on the back of the card. You can style the card to your needs, adjust the colors, the graphics, everything you need, it's fully under your control.

 

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