Could you be our next hero open source developer?

As we have previously mentioned, functionalities like Wi-Fi, NFC, GPS, audio, and full device encryption can now be built from open source code for devices supported in our AOSP for Xperia project. This is thanks to the efforts from you open source community developers. You are all heroes to us, and to acknowledge your work, we want to salute those of you who contribute most to our AOSP projects.

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Could you be our next hero open source developer?

Easy MPEG-DASH streaming with Multimedia for Android Library [open source]

Today we are happy to tell you that our Multimedia for Android Library is released as an open source project on the SonyXperiaDev GitHub. With the Multimedia for Android Library you can stream MPEG-DASH (Dynamic Adaptive Streaming over HTTP) content in an easy and familiar way. In this article Jimmy Dahlqvist and Martin Danielsson, Software engineers at Sony, tell you how to use this library in your app.

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Easy MPEG-DASH streaming with Multimedia for Android Library [open source]

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]

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

New open source tool for building kernels

Now you can pack Linux kernels for devices based on Qualcomm® platforms using a dedicated open source tool from Sony: the mkqcdtbootimg tool. The mkqcdtbootimg tool, which is available on GitHub, adds support for including one or more device tree blobs when rebuilding kernels. To reflect this, our recent tutorial How to rebuild kernels for flagship Xperia devices has been updated to make use of the new tool.

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New open source tool for building kernels

How to rebuild kernels for flagship Xperia devices [tutorial]

Updated. Being the innermost part of the operating system, the kernel might be rebuilt by advanced developers to enable access to particular features and make modifications to the device. This tutorial will guide you through the process of how to rebuild a Linux kernel and flash it to the latest generation of Sony Xperia devices.

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How to rebuild kernels for flagship Xperia devices [tutorial]

How to rebuild kernels for flagship Xperia devices

Updated. Being the innermost part of the operating system, the kernel might be rebuilt by advanced developers to enable access to particular features and make modifications to the device. This tutorial will guide you through the process of how to rebuild a Linux kernel and flash it to the latest generation of Sony Xperia devices.

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How to rebuild kernels for flagship Xperia devices

Learn about Developer World’s open source projects on GitHub [open source]

Do you know that Sony’s has a number of different types of open source projects available on the SonyXperiaDev GitHub? These projects range from our AOSP (Android Open Source Project) for Xperia devices, to open sourced developer tools such as ChkBugReport and research projects such as EvolutionUI. Read more about some of these projects in detail after the jump.

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Learn about Developer World’s open source projects on GitHub [open source]

Sony’s Unlock boot loader service now improved

If you’re an open source developer working with custom ROMs and kernels, or if you’re part of the custom ROMs community, we have some great news for you. As yet another step in our strive for openness, our Unlock boot loader service is now re-launched with improved usability. It will now be easier to go through the steps it takes to unlock a device.

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Sony’s Unlock boot loader service now improved
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