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What is…?

What is… a Trusted Execution Environment (TEE)

Trusted Execution Environment - ARM TrustZone

One of the interesting things to come out of a recent Civil Security conference was the mention of Trustonic and its support for a Trusted Execution Environment (TEE) in Android, for example enabling some of the content available through the likes of Google Play. Following this up with Jon Geater – CTO of Trustonic and on the advisory board of ...

What is… Android Runtime (ART)?

Android ART webpage

Back in June, at the Google I/O event, Google heralded the next major version of Android. While the Material Design UI change grabbed a lot of attention, another important development was also flagged – Android Runtime (ART)

What is…BlueDroid?

Android Bluedroid Bluetooth

At a recent Android-related press briefing by Bluetooth specialists CSR (see VibeHub makes itself at home for audio) there was mention of BlueDroid. This was new to me – time for another in our What is…? series! BlueDroid In a nutshell, “BlueDroid” is the Android Bluetooth stack implementation, used by the likes of CSR and other third-parties when they want to ...

What is…a GATT Service?

Bluetooth SMart Ready logo square

I was writing up the new features of the recently released Android 4.3 and came across support for Bluetooth Smart and mention of GATT and a Generic Attribute Profile… But what is GATT and what are GATT Services? Time for another in our What Is…? series. Not specifically part of Android, maybe, but definitely now relevant to Android. In a ...

What is…Project Butter?

Butter? Why was Google's performance optimisation of the Android interface called Project Butter? Grease, perhaps, as in greased lightning, but butter? Bread and butter? Butter wouldn't melt in their mouths? The answer of course is 'smooth as...' The idea was to take a functionally operating system (Ice Cream Sandwich aka version 4.0 to 4.0.4) and make it that bit more responsive, immediate, or smoother...Dare I say it, more iPhone like. In other words, minimising latency issues for the end user.