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Fragmentation of mobile services

Quentin Braet
Solution Architect

The new reality in the Android ecosystem and the impact on our apps

Last week, Huawei invited us to their first Developer Day in London. An event where they showcased the newest version of the Huawei Mobile Services (HMS) platform, an extensive set of tools and SDKs they offer as an alternative to the Google Play/Mobile Services. Huawei claims that the integration of their SDKs is a low effort operation, but is this really the case?

Let’s say that my experience as a software architect on multiple big projects has made me very careful with such statements. A good integration is more than implementing some lines of code, it’s making sure that all your users (including the team behind the app) have the best possible experience in their touch points with their platform.

But first things first, what’s HMS?

In short, it’s a replacement of the Google Mobile Services (GMS). In May 2019, Google announced that it would ban Huawei from its GMS platform because of geo-political reasons. Huawei can still use the Android OS (which is open source), but can’t install applications like Google Maps or the Google Play store on their new devices. This also affects underlying libraries of those Google services, think of things like push messages, geofencing, Chromecast support, in-app purchases, … If you’re using any of those, you’ll need to implement the service that HMS offers as a replacement to make sure that your app will keep on working on new Huawei phones.

The Huawei Mate 30 Pro will be the first phone launching without this pack of Google services. Existing models won’t be affected and will still have the Google apps installed, but will receive additional support for HMS in updates later on.

Integrating the services

In your application

So what if you decide to jump on the HMS train? Huawei claims that it shouldn’t cost you a lot of effort to implement the SDKs, and that’s no coincidence: today, HMS looks a lot like GMS. The APIs are almost always an exact copy of how Google handles the same functionality. So if your application is well architected, creating a second flavor of the app with the Huawei services should be a piece of cake. And I guess this is the point Huawei is focussing on when making its claims about 3 days lead time.

What Huawei says about the lead time of implementing HMS in your app

In your DevOps pipeline

But things start to get a little more complicated when you look at your software development lifecycle. Crafting apps is more than writing code, it’s making sure that you have a solid pipeline to release your application to the store. The quality should be thoroughly checked, and more features means more variables to validate. Even if the HMS layer doesn’t add new visible features to your application, you will now have a hybrid app with 2 implementations (HMS or GMS) of the same feature instead of one, so there is extra complexity and thus more QA effort. Let me also give you this reality check: it’s software, so there will be bugs, and don’t expect them to be the same on both platforms.

You will have to adapt your workflow to add this additional delivery channel. Some of the work will be a one-off job, but some continuous effort will remain. Oh and don’t forget this fun fact: Huawei added a review process to get your app in the Huawei App Gallery. App rejection on Android, it’s a thing now.

In your roadmap

Let’s say you have implemented all equivalent services of HMS and your app is now up and running in the Huawei App Gallery, we’re done here, aren’t we?

I’m afraid not. The vision of Huawei is clear: they will keep on improving the HMS services, which is a good thing of course. But the reality is that you now have 2 service providers that start from the same point, but will eventually diverge. The effort that Huawei did in the past months is huge, they won’t stop here, and neither will Google. So you can expect both parties to bring out new features which are exclusive for their platform, or maybe with just way better results than the competing services.

The effort Huawei has put in developing HMS shows a lot of ambition

So yeah, you start from the same point for both services, and as a developer you will now think: “I’ll write an abstraction layer for this”. But it wouldn’t surprise me if it could become really difficult to keep this abstraction for some parts of the services.

You could say that you choose to go for the 100% Huawei way, because when I asked, they told me that all their services will work on every Android phone (but probably better on Huawei ones?). But is this really the way to go? Certainly at this point in time? What if Samsung or another powerful brand launches their own version of mobile services? In my opinion, if you choose to do it, you should be ready to handle a third or even a fourth mobile services provider. Or, maybe more future proof, you can go for tooling that is store agnostic.

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In your app team

If you’re working on a top 50 app (think payments, big games, banking, media, …), the work doesn’t stop in your development team. Probably you have a support team in case your users have issues, a marketing team who wants to create user segments and do retargeting, a product manager who wants a clear view on how people use the app, … and many more. You don’t want to make their work more complicated or less efficient. It’s not only your end user who has a customer journey!

Chances are that all those people use the tooling that Google offers nowadays to get their job done. If you’re one of the lucky ones who have implemented your own dashboards and tools to do that, you probably won’t be affected too much. But if you rely heavily on those Google tools, know that you’ll have to think it through.

Just an example: suppose you’re using Firebase Cloud Messaging to target specific sets of users (based on data you log in Firebase Analytics). You can do that out of the box in the Firebase web console. But if you want to reach new Huawei devices, this is not possible anymore. And of course, you can use the Huawei alternative to do the same thing, but your data will be divided over 2 data sets. You’ll have to use 2 dashboards to cover all your users, and you’ll have to combine this info manually, unless you write a new interface for this yourself, since there is no integration between Google and Huawei out-of-the-box. And let’s face it, weren’t you using the Google tooling because writing your own was too expensive?

In your market

And as a last remark I want to add the fact that even if you are convinced by the Huawei ecosystem, it always boils down to a numbers game and money. A lot will depend on the market you’re in. If you’re a big international application, e.g. Facebook, you’ll do everything to get your app in the hands of extra users. The cost of implementing these services averaged out over your users will probably be relatively small, so I really see big brands adopting HMS.

On the other hand, if you’re in a market like Belgium and you have a local audience, even if you have the #1 application for that segment, the cost per user will be much higher. These are also the cases where you often can’t afford writing a lot of own tooling and are forced to stay close to what is offered out-of-the-box to bring as much value as possible for limited budgets. So adding an extra layer on top of GMS & HMS is a cost you would be happy to avoid if not 100% necessary. And I think this case is true for a lot of apps available today.

The reality in Europe and the US is that Google Play is the biggest player on Android and you can’t just ignore that.


Make no mistake, I’m very critical about the impact in my opinion above, but Huawei and HMS are here to stay. The fragmentation of the mobile services is something that will mainly have its effect in China at first, where the market share of Huawei is enormous. But what they made clear last week, is that they want to push the pedal to the metal in Europe too. It’s the reality we live in today, the Chinese tech giants are coming our way, we can try to ignore it as long as possible, or we can face it today. Today, Huawei is mimicking the Google services, maybe tomorrow they will diverge completely and follow their own vision. One thing is clear: we’ll have to evaluate the mobile services we’re using today.

You can have your own opinion on how good or bad this is for the Android ecosystem. I have one too. You can even have an opinion on the chance of success of HMS and the Huawei App Gallery, but in the end, it will be the consumer who decides on what he wants, and if there’s enough value in it for our apps, we’ll have to implement it.

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