How to unlock the boot loader of an Xperia device [video]

By unlocking the boot loader of your Xperia device, it becomes possible put a custom ROM on it. Even though we don’t recommend this to standard users, as it is not needed, we know that many of you would like to get more details on how to unlock a device. To explain this further, we have now created this step-by-step tutorial video.

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How to unlock the boot loader of an Xperia device [video]

Learn how to display 3D graphics on SmartEyeglass [tutorial]

Did you know that SmartEyeglass can display advanced 3D graphics, overlaid on the user’s field of vision? In this tutorial Sony Software Engineer Ahmet Yildirim describes how this can be done using Open Graphics Library (OpenGL). Ahmet has also created a 3D model viewer sample app that we are making available as open source.

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Learn how to display 3D graphics on SmartEyeglass [tutorial]

Handygames: “Now’s the best time for wearable gaming”

If you plan to develop apps using wearables for gaming, you’re about to enter an exciting new field of innovative user experience. This post lets you in on some of the secrets to why HandyGames made a success using SmartWatch 2 as a controller for their mobile game Aces of the Luftwaffe.

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Handygames: “Now’s the best time for wearable gaming”

System performance verification – Touchscreen technology series 4 [video]

This is the fourth article in our touchscreen technology series. In this article, the focus is on the touch panel system test, which examines the time it takes for events to travel through the touch screen ecosystem. Our touchscreen experts – Magnus Johansson, Master Systems Engineer software, and Alexander Hunt, Senior Systems Engineer hardware – also explain the equipment used for testing, as well as specific observations that are monitored, including latency, frame rate, and display refresh speed.

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System performance verification – Touchscreen technology series 4 [video]

Get support from Sony’s engineers on Stack Overflow

Are you active on Stack Overflow? This Q&A site for professional and enthusiast programmers is where you’ll find Support Engineer Robert McCain and the rest of our Support Engineering team here at Sony, actively monitoring the site for new questions. Stack Overflow has tons of technical questions and answers regarding Sony’s API and SDK-related resources. And if you can’t find the answer you need, posting and tagging your question here is the best way to get it answered.

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Get support from Sony’s engineers on Stack Overflow

Our top 5 SmartWatch 2 developer tips

SmartWatch 2 is one of Sony’s most popular devices among developers, as it enables a lot of innovative use cases related to remote control, notifications and much more. If you haven’t developed your own SmartWatch 2 app yet, or if you’re looking tweaking your existing SmartWatch 2 app, we’ve gathered our top 5 tips for developers in this post.

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Our top 5 SmartWatch 2 developer tips

Learn about the SmartEyeglass audio I/O features

Did you know that SmartEyeglass can be used as a Bluetooth headset for the host smartphone or tablet? In our new SmartEyeglass audio I/O guide, published today, you can learn how your app can send and receive audio data with the SmartEyeglass built-in microphone and speaker. This is actually done by using the Android Bluetooth Hands-Free Profile API (Android BT HFP API), much as you would for any standard Bluetooth headset.

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Learn about the SmartEyeglass audio I/O features

Start developing for SmartWatch 3

Sony’s SmartWatch 3 is now on sale in selected markets, with other markets to follow during the coming weeks. You can start developing apps right away for SmartWatch 3, using the Android SDK together with the extended set of APIs from the Android Support Library and Google Play Services. SmartWatch 3 apps can display notifications, handle voice actions, access innovative sensor technology, and much more.

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Start developing for SmartWatch 3

Build instructions for AOSP KitKat now available

You can now find instructions on how to use device configurations from Sony to build AOSP KitKat and flash it on an unlocked Xperia device, in a new guide we’ve created. This guide includes a step-by-step instruction that takes you from preparations of your environment, to what tools you should download and install, and then how to configure the code. At last, we’ll explain how to build an AOSP image and flash it to your device.  Please note that you should be familiar with Android development to use the instructions, and that the software created is not intended for daily usage and there are important limitations. Head over to the How to build AOSP KitKat and flash it on an unlocked Xperia device guide to get started!

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Build instructions for AOSP KitKat now available

AOSP support for Xperia devices

Recently, I had the opportunity to talk at XDA DevCon in Manchester about Sony Mobile’s approach to AOSP. We’ve seen a lot of engagement on the subject – lots of comments, lots of questions – so we wanted to share more details and clarify a few points about the work we do to provide binaries and source code to community developers. The binaries and source code are then used as a base when community developers are compiling their own custom ROMs.

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