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Google's Android Marshmallow OEM guidelines expand tools, but with a shorter leash

Derek Walter | Oct. 21, 2015
The requirements for full-disk encryption, fingerprint sensors, doze mode, and more could help remove some of the pain points developers and users feel with Android's fragmentation.

android marshmallow figurine
Credit: Jason Cross

With a fresh Android treat comes new tools and new rules for those that make Android-powered phones, tablets, and other gadgets. 

That’s because with each version of Android, Google updates its Compatibility Definition document. This tells hardware partners (OEMs) what they can and can’t do in order to make an Android device that earns the blessing of Google.

Without passing the requirements and getting the go from the Compatibility Test Site, the device won’t get Google Play services. That means no Google apps or Play Store access for you.

There are quite a number of new hardware capabilities and requirements with Marshmallow. In all, it shows that Google is trying to push ahead with an effort it made in Lollipop to provide a framework for more attractive devices, while dangling enough carrots to keep OEMs in line. Left to their own devices, too many Android manufacturers stray far from the vision of building a phone that taps into the power of Android. Or, they provide similar capabilities while trying to keep the technology proprietary to their own phones, making it hard for developers to support all devices throughout the Android ecosystem.

Here’s a brief rundown of the most important new rules for Android manufacturers, and what it might mean for your next Android device.

Doze Mode for most, but not all

Google is requiring that OEMs put Doze Mode into place and let you know which apps are exempted from it. In stock Marshmallow you’ll only see Google Play Services and Android Device Manager as opted out. However, expect Samsung, LG, and others to exclude some of their preinstalled apps from this feature. The upside for you is that you should get significantly better battery life with your next phone. However, don’t be surprised if manufacturers mess with this by opting out carrier bloatware.

Full-disc encryption is a needed security feature

This one deserves a big, “finally.” Full-disk encryption and secure boot are now mandatory for Marshmallow devices. This was the plan with Lollipop, but it was pushed aside due to performance issues. This brings a much-needed level of security to your device, especially since you’re likely to sell it off in a year and get a new one. When you wipe it, your old data is encrypted and non-recoverable.

Devices that flag themselves as low-memory (less than 512MB) and don't have a secure lock screen can still opt out of this. Those requirements preclude basically all modern phones and tablets—it seems like an out for those making other Android-based devices (smart network players, robots, internet-of-things devices, and so on).


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