Table of Contents

This page provides release information about the SDK packages available for
download from the
SDK Manager, in the
SDK Platforms tab.

Each SDK Platform version includes the following packages:

  • The Android SDK Platform package. This is required to compile your
    app for that version.
  • Several System Image packages. At least one of these is required
    to run that version on the Android
    Emulator
    .

    Each platform version includes a system image for each supported form
    factor (handsets, Android TV, and Android Wear). Each form factor may
    offer variations to match your computer’s processor architecture (such as
    Intel x86 and ARM EABI). System images labeled Google APIs include
    access to
    Google Play services
    and those labeled Google Play also include
    Google Play Store.

  • The Sources for Android package. This includes the source files for
    the platform. Android Studio may show lines of code from these files while
    you debug your app.

The revision numbers listed below are for the Android SDK Platform
package only. The system images may receive separate updates, usually to resolve
bugs with the emulator. There are no release notes for the system images, but
you should always keep them up to date.

Important: To see the most recent Android
system components in the Android SDK Manager, you must first update
SDK Tools to the most recent
release and restart the SDK Manager.

Android 11 (API level 30)

For details about the platform changes, see the Android 11
documentation
.

Android 10 (API level 29)

For details about the platform changes, see
Android 10 for Developers.

Revision 5 (July 2020)

This revision adds Android Automotive OS stubs.

Android 9 (API level 28)

For details about the platform changes, see
Android 9 for developers.

Revision 1 (August 2018)

Released to stable channel (no longer in preview).

Android 8.1 (API level 27)

For details about the platform changes, see
Android 8.1 for developers.

Revision 1 (December 2017)

Released to stable channel (no longer in preview).

Android 8.0 (API level 26)

For details about the platform changes, see
Android 8.0 for developers.

Revision 2 (August 2017)

Released to stable channel (no longer in preview).

Android 7.1 (API level 25)

For details about the platform changes, see
Android 7.1 for developers.

Revision 3 (December 2016)

Incremental update. Released as the final Android 7.1.1 (no longer in preview).

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Dependencies:

  • Android SDK Platform-Tools 25.0.1 or higher is required.
  • Android SDK Build-Tools 25.0.1 or higher is required.

Revision 2 (November 2016)

Incremental update. Released as Android 7.1.1 Developer Preview 2.
For more information, see the
Android 7.1 API Overview.

Dependencies:

  • Android SDK Platform-Tools 25.0.1 or higher is required.
  • Android SDK Build-Tools 25.0.1 or higher is required.

Revision 1 (October 2016)

Initial release for Android 7.1 (API level 25).
Released as Android 7.1 Developer Preview 1.
For more information, see the
Android 7.1 API Overview.

Dependencies:

  • Android SDK Platform-Tools 25.0.0 or higher is required.
  • Android SDK Build-Tools 25.0.0 or higher is required.

Android 7.0 (API level 24)

For details about the platform changes, see
Android 7.0 for developers.

Revision 1 (August 2016)

Initial release for Android 7.0 (API level 24). For more information, see the
Android 7.0 API Overview.

Dependencies:

  • Android SDK Platform-tools r24 or higher is required.
  • Android SDK Tools 24.0.0 or higher is required.

Android 6.0 (API level 23)

For details about the platform changes, see the
Android 6.0 changes and
Android 6.0 APIs.

Revision 2 (November 2015)

Fixed bugs in the layout rendering library used by Android Studio.

Dependencies:

  • Android SDK Platform-tools r23 or higher is required.
  • Android SDK Tools 24.3.4 or higher is required.

Revision 1 (August 2015)

Initial release for Android 6.0 (API level 23). For more information, see the
Android 6.0 API Overview.

Dependencies:

  • Android SDK Platform-tools r23 or higher is required.
  • Android SDK Tools 24.3.4 or higher is required.

Android 5.1 (API level 22)

For details about the platform changes, see the
Lollipop overview and
Android 5.1 API changes.

Revision 1 (March 2015)

Initial release for Android 5.1 (API level 22). For more information, see the
Android 5.1 API Overview.

Dependencies:

  • Android SDK Platform-tools r22 or higher is required.
  • Android SDK Tools 23.0.5 or higher is required.

Android 5.0 (API level 21)

For details about the platform changes, see the
Lollipop overview and
Android 5.0 API changes.

Revision 2 (December 2014)

Updated layouts in the Support Library and fixed various issues.

Dependencies:

  • Android SDK Platform-tools r21 or higher is required.
  • Android SDK Tools 23.0.5 or higher is required.

Revision 1 (October 2014)

Initial release for Android 5.0 (API level 21). For more information, see the
Android 5.0 API Overview.

Dependencies:

  • Android SDK Platform-tools r21 or higher is required.
  • Android SDK Tools 23.0.5 or higher is required.

Android 4.4W (API level 20)

This version makes KitKat available for Android Wear.

Revision 2 (October 2014)

Updated the rendering library.

Dependencies:

  • Android SDK Platform-tools r20 or higher is required.
  • Android SDK Tools 23.0 or higher is required.

Revision 1 (June 2014)

Initial release for Android Wear.

Dependencies:

  • Android SDK Platform-tools r20 or higher is required.
  • Android SDK Tools 23.0 or higher is required.

Android 4.4 (API level 19)

For details about the platform changes, see the
KitKat overview and
Android 4.4 API changes.

Revision 2 (December 2013)

Maintenance release. The system version is 4.4.2. For more information, see the
Android 4.4 API Overview.

Dependencies:
Android SDK Platform-tools r19 or higher is required.
Android SDK Tools 22.3 or higher is recommended.

Revision 1 (October 2013)

Initial release. The system version is 4.4. For more information, see the
Android 4.4 API Overview.

Dependencies:
Android SDK Platform-tools r19 or higher is required.
Android SDK Tools 22.3 or higher is recommended.

Android 4.3 (API level 18)

For details about the platform changes, see the
Jelly Bean overview and
Android 4.3 API changes.

Revision 2 (August 2013)

Maintenance update. The system version is 4.3.

Dependencies:
Android SDK Platform-tools r18 or higher is required.
Android SDK Tools 22.0.4 or higher is recommended.
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Revision 1 (July 2013)

Initial release. The system version is 4.3.

Dependencies:
Android SDK Platform-tools r18 or higher is required.
Android SDK Tools 22.0.4 or higher is recommended.

Android 4.2 (API level 17)

For details about the platform changes, see the
Jelly Bean overview and
Android 4.2 API changes.

Revision 2 (February 2013)

Maintenance update. The system version is 4.2.2.

Dependencies:
SDK Tools r21 or higher is required.

Revision 1 (November 2012)

Initial release. The system version is 4.2.

Dependencies:
SDK Tools r20 or higher is required.

Android 4.1 (API level 16)

For details about the platform changes, see the
Jelly Bean overview and
Android 4.1 API changes.

Revision 3 (October 2012)

Maintenance update. The system version is 4.1.2.

Dependencies:
SDK Tools r20 or higher is required.

Revision 2 (July 2012)

Maintenance update. The system version is 4.1.1.

Dependencies:
SDK Tools r20 or higher is required.

Revision 1 (June 2012)

Initial release. The system version is 4.1.0.

Dependencies:
SDK Tools r20 or higher is required.

Android 4.0.3 (API level 15)

Revision 3 (March 2012)

Maintenance update. The system version is 4.0.4.

Note: This system image includes support for emulator
hardware graphics acceleration when used with SDK Tools r17 or higher.
(more info)

Dependencies:
SDK Tools r17 or higher is required.

Revision 2 (January 2012)

Maintenance update. The system version is 4.0.3.

Dependencies:
SDK Tools r14 or higher is required.

Revision 1 (December 2011)

Initial release. The system version is 4.0.3.

Dependencies:
SDK Tools r14 or higher is required.

Android 4.0 (API level 14)

Android 4.0, Revision 2 (December 2011)

Maintenance update. The system version is 4.0.2.

Dependencies:
SDK Tools r14 or higher is required.

Android 4.0, Revision 1 (October 2011)

Initial release. The system version is 4.0.1.

Dependencies:
SDK Tools r14 or higher is required.

Android 3.2 (API level 13)

Android 3.2, Revision 1 (July 2011)

Initial release. SDK Tools r12 or higher is recommended.

Android 3.1 (API level 12)

Android 3.1, Revision 3 (July 2011)

Dependencies:

Requires SDK Tools r12 or
higher.

Notes:

Improvements to the platform’s rendering library to support the visual layout editor in the ADT
Eclipse plugin. This revision allows for more drawing features in ADT and fixes several
bugs in the previous rendering library. It also unlocks several editor features that were added in
ADT 12.

Android 3.1, Revision 2 (May 2011)

Dependencies:

Requires SDK Tools r11 or
higher.

Notes:

Fixes an issue with the visual layout editor rendering library that prevented Android 3.1 from
running in ADT.

Android 3.1, Revision 1 (May 2011)

Dependencies:

Requires SDK Tools r11 or
higher.

Android 3.0 (API level 11)

Android 3.0, Revision 2 (July 2011)

Dependencies:

Requires SDK Tools r12 or
higher.

Notes:

Improvements to the platform’s rendering library to support the visual layout editor in the ADT
Eclipse plugin. This revision allows for more drawing features in ADT and fixes several
bugs in the previous rendering library. It also unlocks several editor features that were added in
ADT 12.

Android 3.0, Revision 1 (February 2011)

Dependencies:

Requires SDK Tools r10 or higher.

Android 2.3.3 (API level 10)

Android 2.3.3, Revision 2 (July 2011)

Dependencies:

Requires SDK Tools r12 or
higher.

Notes:

Improvements to the platform’s rendering library to support the visual layout editor in the ADT
Eclipse plugin. This revision allows for more drawing features in ADT and fixes several
bugs in the previous rendering library. It also unlocks several editor features that were added in
ADT 12.

Android 2.3.3, Revision 1 (February 2011)

Dependencies:

Requires SDK Tools r9 or higher.

Android 2.3 (API level 9)

Android 2.3, Revision 1 (December 2010)

Dependencies:

Requires SDK Tools r8 or higher.

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