page.title=Codenames, Tags, and Build Numbers
@jd:body

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<div id="qv-wrapper">
  <div id="qv">
    <h2>In this document</h2>
    <ol id="auto-toc">
    </ol>
  </div>
</div>

<p>At a high level, Android development happens around families of
releases, which use code names ordered alphabetically after tasty
treats.</p>

<h2 id="platform-code-names-versions-api-levels-and-ndk-releases">Platform Codenames, Versions, API Levels, and NDK Releases</h2>
<p>The code names match the following version numbers, along with
API levels and NDK releases provided for convenience:</p>
<table>
<thead>
<tr>
<th>Code name</th>
<th>Version</th>
<th>API level</th>
</tr>
</thead>
<tbody>
<tr>
<td>(no code name)</td>
<td>1.0</td>
<td>API level 1</td>
</tr>
<tr>
<td>(no code name)</td>
<td>1.1</td>
<td>API level 2</td>
</tr>
<tr>
<td>Cupcake</td>
<td>1.5</td>
<td>API level 3, NDK 1</td>
</tr>
<tr>
<td>Donut</td>
<td>1.6</td>
<td>API level 4, NDK 2</td>
</tr>
<tr>
<td>Eclair</td>
<td>2.0</td>
<td>API level 5</td>
</tr>
<tr>
<td>Eclair</td>
<td>2.0.1</td>
<td>API level 6</td>
</tr>
<tr>
<td>Eclair</td>
<td>2.1</td>
<td>API level 7, NDK 3</td>
</tr>
<tr>
<td>Froyo</td>
<td>2.2.x</td>
<td>API level 8, NDK 4</td>
</tr>
<tr>
<td>Gingerbread</td>
<td>2.3 - 2.3.2</td>
<td>API level 9, NDK 5</td>
</tr>
<tr>
<td>Gingerbread</td>
<td>2.3.3 - 2.3.7</td>
<td>API level 10</td>
</tr>
<tr>
<td>Honeycomb</td>
<td>3.0</td>
<td>API level 11</td>
</tr>
<tr>
<td>Honeycomb</td>
<td>3.1</td>
<td>API level 12, NDK 6</td>
</tr>
<tr>
<td>Honeycomb</td>
<td>3.2.x</td>
<td>API level 13</td>
</tr>
<tr>
<td>Ice Cream Sandwich</td>
<td>4.0.1 - 4.0.2</td>
<td>API level 14, NDK 7</td>
</tr>
<tr>
<td>Ice Cream Sandwich</td>
<td>4.0.3 - 4.0.4</td>
<td>API level 15, NDK 8</td>
</tr>
<tr>
<td>Jelly Bean</td>
<td>4.1.x</td>
<td>API level 16</td>
</tr>
<tr>
<td>Jelly Bean</td>
<td>4.2.x</td>
<td>API level 17</td>
</tr>
<tr>
<td>Jelly Bean</td>
<td>4.3</td>
<td>API level 18</td>
</tr>
</tbody>
</table>
<p>Starting with Cupcake, individual builds are identified with a short
build code, e.g. FRF85B.</p>
<p>The first letter is the code name of the release family, e.g. F is
Froyo.</p>
<p>The second letter is a branch code that allows Google to identify
the exact code branch that the build was made from, and R is by
convention the primary release branch.</p>
<p>The next letter and two digits are a date code. The letter counts
quarters, with A being Q1 2009. Therefore, F is Q2 2010. The two
digits count days within the quarter, so F85 is June 24 2010.</p>
<p>Finally, the last letter identifies individual versions related to
the same date code, sequentially starting with A; A is actually
implicit and usually omitted for brevity.</p>
<p>The date code is not guaranteed to be the exact date at which a build
was made, and it is common that minor variations added to an existing
build re-use the same date code as that existing build.</p>

<h2 id="source-code-tags-and-builds">Source Code Tags and Builds</h2>
<p>Starting with Donut, the exact list of tags and builds is in the
following table:</p>
<table>
<thead>
<tr>
<th>Build</th>
<th>Tag</th>
<th>Notes</th>
</tr>
</thead>
<tbody>
<tr>
<td>DRC83</td>
<td>android-1.6_r1.1</td>
<td>earliest Donut version, ADP1, ADP2</td>
</tr>
<tr>
<td>DRC92</td>
<td>android-1.6_r1.2</td>
<td></td>
</tr>
<tr>
<td>DRD08</td>
<td>android-1.6_r1.3</td>
<td></td>
</tr>
<tr>
<td>DRD20</td>
<td>android-1.6_r1.4</td>
<td></td>
</tr>
<tr>
<td>DMD64</td>
<td>android-1.6_r1.5</td>
<td>latest Donut version</td>
</tr>
<tr>
<td>ESD20</td>
<td>android-2.0_r1</td>
<td>earliest Eclair version</td>
</tr>
<tr>
<td>ESD56</td>
<td>android-2.0.1_r1</td>
<td></td>
</tr>
<tr>
<td>ERD79</td>
<td>android-2.1_r1</td>
<td>Nexus One</td>
</tr>
<tr>
<td>ERE27</td>
<td>android-2.1_r2</td>
<td>Nexus One</td>
</tr>
<tr>
<td>EPE54B</td>
<td>android-2.1_r2.1p</td>
<td>Nexus One</td>
</tr>
<tr>
<td>ESE81</td>
<td>android-2.1_r2.1s</td>
<td></td>
</tr>
<tr>
<td>EPF21B</td>
<td>android-2.1_r2.1p2</td>
<td>latest Eclair version</td>
</tr>
<tr>
<td>FRF85B</td>
<td>android-2.2_r1</td>
<td>earliest Froyo version, Nexus One</td>
</tr>
<tr>
<td>FRF91</td>
<td>android-2.2_r1.1</td>
<td>Nexus One</td>
</tr>
<tr>
<td>FRG01B</td>
<td>android-2.2_r1.2</td>
<td></td>
</tr>
<tr>
<td>FRG22D</td>
<td>android-2.2_r1.3</td>
<td></td>
</tr>
<tr>
<td>FRG83</td>
<td>android-2.2.1_r1</td>
<td>Nexus One</td>
</tr>
<tr>
<td>FRG83D</td>
<td>android-2.2.1_r2</td>
<td>Nexus One</td>
</tr>
<tr>
<td>FRG83G</td>
<td>android-2.2.2_r1</td>
<td>Nexus One</td>
</tr>
<tr>
<td>FRK76</td>
<td>android-2.2.3_r1</td>
<td></td>
</tr>
<tr>
<td>FRK76C</td>
<td>android-2.2.3_r2</td>
<td>latest Froyo version</td>
</tr>
<tr>
<td>GRH55</td>
<td>android-2.3_r1</td>
<td>earliest Gingerbread version, Nexus S</td>
</tr>
<tr>
<td>GRH78</td>
<td>android-2.3.1_r1</td>
<td>Nexus S</td>
</tr>
<tr>
<td>GRH78C</td>
<td>android-2.3.2_r1</td>
<td>Nexus S</td>
</tr>
<tr>
<td>GRI40</td>
<td>android-2.3.3_r1</td>
<td>Nexus One, Nexus S</td>
</tr>
<tr>
<td>GRI54</td>
<td>android-2.3.3_r1.1</td>
<td>Nexus S</td>
</tr>
<tr>
<td>GRJ06D</td>
<td>android-2.3.4_r0.9</td>
<td>Nexus S 4G</td>
</tr>
<tr>
<td>GRJ22</td>
<td>android-2.3.4_r1</td>
<td>Nexus One, Nexus S, Nexus S 4G</td>
</tr>
<tr>
<td>GRJ90</td>
<td>android-2.3.5_r1</td>
<td>Nexus S 4G</td>
</tr>
<tr>
<td>GRK39C</td>
<td>android-2.3.6_r0.9</td>
<td>Nexus S</td>
</tr>
<tr>
<td>GRK39F</td>
<td>android-2.3.6_r1</td>
<td>Nexus One, Nexus S</td>
</tr>
<tr>
<td>GWK74</td>
<td>android-2.3.7_r1</td>
<td>latest Gingerbread version, Nexus S 4G</td>
</tr>
<tr>
<td>ITL41D</td>
<td>android-4.0.1_r1</td>
<td>earliest Ice Cream Sandwich version, Galaxy Nexus</td>
</tr>
<tr>
<td>ITL41D</td>
<td>android-4.0.1_r1.1</td>
<td>Galaxy Nexus</td>
</tr>
<tr>
<td>ITL41F</td>
<td>android-4.0.1_r1.2</td>
<td>Galaxy Nexus</td>
</tr>
<tr>
<td>ICL53F</td>
<td>android-4.0.2_r1</td>
<td>Galaxy Nexus</td>
</tr>
<tr>
<td>IML74K</td>
<td>android-4.0.3_r1</td>
<td>Nexus S</td>
</tr>
<tr>
<td>IML77</td>
<td>android-4.0.3_r1.1</td>
<td></td>
</tr>
<tr>
<td>IMM76</td>
<td>android-4.0.4_r1</td>
<td></td>
</tr>
<tr>
<td>IMM76D</td>
<td>android-4.0.4_r1.1</td>
<td>Nexus S, Nexus S 4G, Galaxy Nexus</td>
</tr>
<tr>
<td>IMM76I</td>
<td>android-4.0.4_r1.2</td>
<td>Galaxy Nexus</td>
</tr>
<tr>
<td>IMM76K</td>
<td>android-4.0.4_r2</td>
<td>Galaxy Nexus</td>
</tr>
<tr>
<td>IMM76L</td>
<td>android-4.0.4_r2.1</td>
<td>latest Ice Cream Sandwich version</td>
</tr>
<tr>
<td>JRO03C</td>
<td>android-4.1.1_r1</td>
<td>earliest Jelly Bean version, Galaxy Nexus</td>
</tr>
<tr>
<td>JRO03D</td>
<td>android-4.1.1_r1.1</td>
<td>Nexus 7</td>
</tr>
<tr>
<td>JRO03E</td>
<td>android-4.1.1_r2</td>
<td>Nexus S</td>
</tr>
<tr>
<td>JRO03H</td>
<td>android-4.1.1_r3</td>
<td></td>
</tr>
<tr>
<td>JRO03L</td>
<td>android-4.1.1_r4</td>
<td>Nexus S</td>
</tr>
<tr>
<td>JRO03O</td>
<td>android-4.1.1_r5</td>
<td>Galaxy Nexus</td>
</tr>
<tr>
<td>JRO03R</td>
<td>android-4.1.1_r6</td>
<td>Nexus S 4G</td>
</tr>
<tr>
<td>JRO03S</td>
<td>android-4.1.1_r6.1</td>
<td>Nexus 7</td>
</tr>

<tr>
<td>JZO54K</td>
<td>android-4.1.2_r1</td>
<td>Nexus S, Galaxy Nexus, Nexus 7</td>
</tr>

<tr>
<td>JZO54L</td>
<td>android-4.1.2_r2</td>
<td></td>
</tr>

<tr>
<td>JZO54M</td>
<td>android-4.1.2_r2.1</td>
<td></td>
</tr>

<tr>
<td>JOP40C</td>
<td>android-4.2_r1</td>
<td>Galaxy Nexus, Nexus 7, Nexus 4, Nexus 10</td>
</tr>

<tr>
<td>JOP40D</td>
<td>android-4.2.1_r1</td>
<td>Galaxy Nexus, Nexus 7, Nexus 4, Nexus 10</td>
</tr>

<tr>
<td>JOP40F</td>
<td>android-4.2.1_r1.1</td>
<td>Nexus 10</td>
</tr>

<tr>
<td>JOP40G</td>
<td>android-4.2.1_r1.2</td>
<td>Nexus 4</td>
</tr>

<tr>
<td>JDQ39</td>
<td>android-4.2.2_r1</td>
<td>Galaxy Nexus, Nexus 7, Nexus 4, Nexus 10</td>
</tr>

<tr>
<td>JDQ39B</td>
<td>android-4.2.2_r1.1</td>
<td>Nexus 7</td>
</tr>

<tr>
<td>JDQ39E</td>
<td>android-4.2.2_r1.1</td>
<td>Nexus 4</td>
</tr>

<tr>
<td>JWR66L</td>
<td>android-4.3_r0.9</td>
<td>Nexus 7</td>
</tr>

<tr>
<td>JWR66N</td>
<td>android-4.3_r0.9.1</td>
<td>Galaxy Nexus, Nexus 7 (grouper/tilapia/flo), Nexus 4, Nexus 10</td>
</tr>

<tr>
<td>JWR66V</td>
<td>android-4.3_r1</td>
<td>Galaxy Nexus, Nexus 7 (grouper/tilapia), Nexus 4, Nexus 10</td>
</tr>

<tr>
<td>JSR78D</td>
<td>android-4.3_r2</td>
<td>Nexus 7 (deb)</td>
</tr>

<tr>
<td>JSS15J</td>
<td>android-4.3_r2.1</td>
<td>latest Jelly Bean version, Nexus 7 (flo/deb)</td>
</tr>

</tbody>
</table>
<p>The branches froyo, gingerbread, ics-mr0, ics-mr1, jb-dev,
jb-mr1-dev, jb-mr1.1-dev, jb-mr2-dev
represent development
branches that do not exactly match configurations that were tested
by Google. They might contain a variety of changes in addition to
the official tagged releases, and those haven't been as thoroughly
tested.</p>

<h2 id="honeycomb-gpl-modules">Honeycomb GPL Modules</h2>
<p>For Honeycomb, the entire platform source code isn't available.
However, the parts of Honeycomb licensed under the GPL and LGPL
are available under the following tags:</p>
<table>
<thead>
<tr>
<th>Build</th>
<th>Tag</th>
<th>Notes</th>
</tr>
</thead>
<tbody>
<tr>
<td>HRI39</td>
<td>android-3.0_r1</td>
<td>earliest Honeycomb version</td>
</tr>
<tr>
<td>HRI66</td>
<td>android-3.0_r1.1</td>
<td></td>
</tr>
<tr>
<td>HWI69</td>
<td>android-3.0_r1.2</td>
<td></td>
</tr>
<tr>
<td>HRI83</td>
<td>android-3.0_r1.3</td>
<td></td>
</tr>
<tr>
<td>HMJ37</td>
<td>android-3.1_r1</td>
<td></td>
</tr>
<tr>
<td>HTJ85B</td>
<td>android-3.2_r1</td>
<td></td>
</tr>
<tr>
<td>HTK55D</td>
<td>android-3.2.1_r1</td>
<td></td>
</tr>
<tr>
<td>HTK75D</td>
<td>android-3.2.1_r2</td>
<td></td>
</tr>
<tr>
<td>HLK75C</td>
<td>android-3.2.2_r1</td>
<td></td>
</tr>
<tr>
<td>HLK75D</td>
<td>android-3.2.2_r2</td>
<td></td>
</tr>
<tr>
<td>HLK75F</td>
<td>android-3.2.4_r1</td>
<td></td>
</tr>
<tr>
<td>HLK75H</td>
<td>android-3.2.6_r1</td>
<td>latest Honeycomb version</td>
</tr>
</tbody>
</table>
<p>There is no manifest that contains exactly those. However, there
are manifests that allow building those components. The following
commands work for 3.0_r1.1, and using other versions can be done by
switching the git checkout paramater, and if necessary the -m parameter in
repo init. The git checkout command outputs an error for the non-GPL
projects, where it can't find the tag in question.</p>
<pre><code>$ repo init -b master -m base-for-3.0-gpl.xml
$ repo sync
$ repo forall -c git checkout android-3.0_r1.1
</code></pre>