Android 2.1 SDK Released!


We were promised that once the Android 2.1 SDK was Open Sourced we would start to see existing devices get updgraded and guess what just happened? The Android Development Team just announced the release of the Android 2.1 SDK!


If you didn’t know, Android 2.1 is the build running on the Nexus One, currently the only device running this version of Android. Hopefully not for long!

Date: January 2010
API Level: 7

Android 2.1 is a minor platform release deployable to Android-powered handsets starting in January 2010. This release includes new API changes and bug fixes. For information on changes, see the Framework API section.

For developers, the Android 2.1 platform is available as a downloadable component for the Android SDK. The downloadable platform includes a fully compliant Android library and system image, as well as a set of emulator skins, sample applications, and more. The downloadable platform includes no external libraries.

To get started developing or testing against the Android 2.1 platform, use the Android SDK and AVD Manager tool to download the platform into your Android SDK. For more information, see Adding SDK Components.

There are a few new API updates and two of them are rather interesting:

  1. Live Wallpapers got 2 new APIs and an updated Wallpaper Manager
  2. New “Signal Strength” class that helps show information about a device’s signal strength. Could this have something to do with the 3G issues? I doubt it – it’s more likely this is made accessible to developers who have their apps make dynamic decisions based on network strength – for example, waiting to download/upload until a better signal is available. Possible though.

If you want a blow-by-blow list of the updates and additions, hit up the changelog!

PS: I know the image above is of Steve Jobs and the iPhone 2.1 update. I can’t wait to see how many people see the image and leap right to the comments to give me a piece of their mind about how stupid/foolish/careless I am. GOTCHYA – YOU’VE BEEN ZAPPED!

Rob Jackson
I'm an Android and Tech lover, but first and foremost I consider myself a creative thinker and entrepreneurial spirit with a passion for ideas of all sizes. I'm a sports lover who cheers for the Orange (College), Ravens (NFL), (Orioles), and Yankees (long story). I live in Baltimore and wear it on my sleeve, with an Under Armour logo. I also love traveling... where do you want to go?

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  1. But thats an image of Jobs and the iPhone 2.1 update! :P

  2. I can’t believe how stupid/foolish/careless you are for posting a pic of Jobs and iphone update! Having said that, I want Android 2.1 on my G1!

  3. haha. love image. good job sir.

  4. And let the flooding begin!

  5. I can’t believe how stupid/foolish/careless you are for posting a pic of Jobs and an iphone update! Having said that, I want Android 2.1 on my G1!

  6. the cat is on the table :P


  7. Hey THAT’S STEVE JOBS! How stupid/foolish/careless of you!

  8. Why doesn’t it have 5 homescreens or new menu like n1? ar that only n1 stuff or will it recieve for example droid too?

  9. is MyTouch3G getting 2.1?

  10. What’s Android 2.1 SDK? I currently have the Motorola Droid and I do know my Android just guess I’m a noob when it comes to this. Can anybody tell me and if its good how can I get it?

  11. SDK is for developers or if you just want to test new android on Android Emulator

  12. Thanks Martin. I appreciate you answering my question.

  13. So its true, most people don’t read the articles they just look at the picture. Lol

  14. hey isn’t that the idiot from the crApple corporation why is he posted here lol.

  15. why is there still now Hebrew support?

  16. Just booted up the 2.1 emulator. It has only 3 workspaces and no 3D launcher… Is the 3D launcher part of 2.1 that can’t be handled in an emulator? Or is it a nexus only thing?

  17. Classic Rob!
    looks like Steve wants a piece of that 2.1 goodness huh….I don’t blame him :)

  18. my 2.1 emulator doesnt have live wallpapers, a new menu, 5 screens, or any new widgets o_o

  19. Who the hell is Steve Jobs??

  20. What about an HTC Hero update ??? Still nothing here :(

    Sign petition : http://www.petitiononline.com/htchero2/petition.html

  21. I don’t care about live wallpapers, I care about 2.1 api, screen resoultion independent applications, and so on. Is it mean that for G1 and Hero at now free to develop the 2.1 version?

  22. lol @ the ppl who doesn’t read :P

  23. Will the infamous G1 get the 2.1 update?

  24. Reading’s for chumps.

  25. I need 2.1 hero rom plsssssssssssssss
    anyone. …….? Cm.?

  26. You telling me that all the good stuff the 2.1 OS brought to the N1 is not going to be available for the droid. Such as the 5 screens, stars wars like 3d menu scrolling, and new pic gallery. If not, why the hell come out with it.

  27. I’ve seen lots of videos on YouTube with 2.1 running on the moto Droid and itseems to have mist of the features the n1 has. Can’t wait for the update.

  28. Greg. Really, Greg? I have seen only tons of videos WITH all of the bells and whistles found on the Nexus One being ALSO running on the Droid, with everything you mention, in fact – you need to learn how actually SEARCH YouTube. AND DUH, the other layers – like for the Verizon Droid – must be ADDED on top of Android OSS 2.1 in order for it to work, also the modules for the Live Wallpaper and the Cooliris bits must be installed as well – very clearly posted in THIS original article.

  29. How come the newer versions of Android only work on the really expensive phones, can’t they work on my Pulse?

  30. And still, no Hebrew… frustrating…

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