Floating apps have become emblematic of Android's unique flexibility and range. No other mobile OS allows non-system apps to directly interact with users and overtake the screen while another app is supposed to be in the foreground. This capability allows for a powerful and customizable user experience, but it can also quickly become a problem if an app is poorly implemented or its developer abuses this privilege for malicious purposes.
Android 6.0 Marshmallow is setting some new rules for drawing on the screen. Starting with Developer Preview 3, apps targeting API 23 (or above) will have to ask users to grant permission for them to draw on top of other apps.
When the developers of Unreal Engine ship an update, they mean business. Version 4.9 was released late yesterday and its changelog is remarkably lengthy. Seriously, it's 36,950 words long and has 74 images, about a third of which are animated. It's basically the War And Peace of changelogs.
There are far too many things in this update to cover here, so game developers might want to check out the changelog in all its monumental glory. However, the list of Android-related items is a little more tenable and might be interesting to those who don't make a living (or hobby) out of building games.
One of the biggest challenges to creating good apps for Android Auto has been actually testing the experience. Many independent developers can't afford to purchase brand new cars with Auto built-in, and aftermarket head units won't fit in most recently manufactured cars without heavy modification, and most of those units aren't very good anyway. When the Auto SDK came out, it included simulators that could be used for basic testing of just the messaging and media browser interfaces, but even these weren't good substitutes for the real thing. Today, Google released the Android Auto Desktop Head Unit, a functioning implementation of the Android Auto platform that runs right on a desktop or laptop.
Sony is ahead of most other OEMs when it comes to its support of open source. It contributes significantly to AOSP and even releases binaries for many of its devices so developers can build AOSP ROMs for them. Today, Sony is announcing support for the first three 64-bit devices in the Open Device project.
It has been almost a month since Google Play services 7.8 began rolling out to users, and as of yesterday, it is in wide release to everybody. A previous blog post by Google discussed the big new feature for developers would be the Nearby Messages API, but it turns out there are a couple of other additions worth checking out. In a new post on the Android Developers blog, Google announced a new Mobile Vision API with the ability to detect the presence, orientation, and some details of faces when they are in frame on an active camera.
With the official stable release of Android Studio v1.3 a couple of weeks ago, it's time to begin testing the next string of new features. The first preview release of version 1.4 is now in the Canary channel, and it's sporting some big new features. The Android Tools team has been working on the new theme editor first demonstrated in the I/O session titled What's New in Android Development Tools. There are also new performance monitors for GPU and network activity, a vector asset wizard for turning SVG files into XML vector drawables, and a few new lint checks.
Here is the Google I/O session video cued up to the beginning of the theme editor demo at 36 minutes:
The new theme editor examines the styles in a project and displays visual samples of what controls should look like on a live interface.
Android offers developers a great deal of freedom to experiment with apps and come up with (maybe) the next big thing. Now Google has launched a website where it plans to show off some of the most interesting projects on Android. It's called Android Experiments and there are already 20 apps and demos to check out.
We haven't heard a lot about Project Tango lately, but Google is still working with developers to advance this take on machine vision and sensing technology. As part of its ongoing efforts, the Tango development kit is finally being made available outside the US. It's out today in Canada and South Korea, and will come to ten more countries later this month.