Tips for reducing APK file size

Are you having problems getting under the current 50 MB upload limit imposed by Google Play? Don’t let it be a roadblock in preparing your Android™ app for market. Instead, use these excellent tips for reducing the file size of your APK. David Karlsson, a software architect at Sony Mobile, will get you all the details. Read more after the jump.

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Tips for reducing APK file size

Stepping up our open source activities

As part of our continuing efforts towards openness and knowledge sharing, we are now stepping up our open source activities. For a long time, we have been one of the major contributors to the Android Open Source Project. We’ve also been active in the open developer community where we most notably published an ICS alpha release a couple of months ago. And now, we’re excited to release a couple of new open source projects that are available on our GitHub. As you can see below, we have just now released two very interesting projects as open source: the analysis tool ChkBugReport, and our WebGL implementation for Android™ 4.0.

This way, we would like to continue to be transparent, share our knowledge, and get external developer contributions to make the tools even better. On our GitHub, you can also find our Web SDK  project we published a while back, and a project called DrmLicenseService, which we will tell more about soon. Stay tuned for more information about open source projects going forward!

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Stepping up our open source activities

WebGL implementation for Xperia™ phones released as open source

In November, we announced that we were the first phone manufacturer in the world to support WebGL in the native Android web browser on Xperia™ phones. As a next step, we are now very excited to release our WebGL implementation for our coming Xperia™ phones running Android™ 4.0 (Ice Cream Sandwich) and above as open source. Read more after the jump, as Anders Edenbrandt, Senior Software Architect, explains more!

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WebGL implementation for Xperia™ phones released as open source

The family of Xperia™ phones supporting ANT+ is growing

When we announced the Xperia™ S the other day (and the Xperia™ ion on the US market), it also meant we added new devices to the family of Xperia™ phones supporting ANT+. ANT+ is a wireless personal network protocol mainly designed for gathering and transfer of sensor data, and it has become especially popular within the sports and health industry. Yesterday Dynastream (the company behind ANT+) announced an ANT+ emulator for Android™, which means it is now possible to develop ANT+ apps using just the Android™ device emulator, and an ANT USB stick plugged into a PC. Find out more after the jump!

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The family of Xperia™ phones supporting ANT+ is growing

New barometric sensor app and code example available for Xperia™ active

We recently showed you how to get your apps to work with the Xperia™ active pressure sensor. And to help with your development, we’ve also created a simple app and a new code example that shows you exactly how a pressure sensitive app works. Read on to learn more about our new barometric sensor app, download the apk file and view the new code example.

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New barometric sensor app and code example available for Xperia™ active

New barometric sensor app and code example available for Xperia™ active

We recently showed you how to get your apps to work with the Xperia™ active pressure sensor. And to help with your development, we’ve also created a simple app and a new code example that shows you exactly how a pressure sensitive app works. Read on to learn more about our new barometric sensor app, download the apk file and view the new code example.

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New barometric sensor app and code example available for Xperia™ active

Meet the Developer World team at the AT&T Developer Summit

Are you planning to go to CES and the AT&T Developer Summit in Las Vegas next week? In that case, don’t miss the Sony Ericsson booth, where you can meet representatives from the Developer World team. Our staff will include business managers, developers, and developer marketing managers. So if you want to discuss partnerships, technical issues or communication activities for developers, feel free to stop by and have a chat with us! We will also demonstrate all the latest and greatest products.

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Meet the Developer World team at the AT&T Developer Summit

Ice Cream Sandwich alpha ROM available for unlocked Xperia™ phones

To show our continuous support to the open developer community, and get your valuable feedback, we are today making an alpha ROM of Ice Cream Sandwich (Android 4.0.1) for Xperia™ arc S, Xperia™ neo V and Xperia™ ray available for download. This is something we have not done before, and we are obviously very excited about it. 

This ROM is strictly targeting advanced developers, and it will not work for ordinary everyday usage, as it only has a limited set of features working (you can for example not make any phone calls). Several more legal and usage conditions apply – please see the Important information section below for more details.

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Ice Cream Sandwich alpha ROM available for unlocked Xperia™ phones

Create games for Xperia™ PLAY with the Unity engine

Our friends at design3 posted an interesting blog post the other day, including a great introduction on how to create games for Xperia™ PLAY using the Unity engine. If you are considering to create a game adapted to the unique Xperia™ PLAY hardware features, the Unity engine is a real good game development tool to use, considering all the features that comes with it (including the option to use the visual editor, javascript or C#, and the full support of both 2D and 3D art).

Head over to the design3 blog post to read more more about it! design3 is one of the leading game development portals in the industry. You can find hundreds of hours of video tutorials on game engine, 3D tools, 2D tools, and much more on their website.

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Create games for Xperia™ PLAY with the Unity engine

Create games for Xperia™ PLAY with the Unity engine

Our friends at design3 posted an interesting blog post the other day, including a great introduction on how to create games for Xperia™ PLAY using the Unity engine. If you are considering to create a game adapted to the unique Xperia™ PLAY hardware features, the Unity engine is a real good game development tool to use, considering all the features that comes with it (including the option to use the visual editor, javascript or C#, and the full support of both 2D and 3D art).

Head over to the design3 blog post to read more more about it! design3 is one of the leading game development portals in the industry. You can find hundreds of hours of video tutorials on game engine, 3D tools, 2D tools, and much more on their website. For more information about Xperia™ PLAY game development, check out our game development section.

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Create games for Xperia™ PLAY with the Unity engine
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