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Android Codenames, Tags, and Build Numbers

时间:2016-04-23 13:16:04      阅读:154      评论:0      收藏:0      [点我收藏+]

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Starting with Cupcake, individual builds are identified with a short build code, e.g. FRF85B.

The first letter is the code name of the release family, e.g. F is Froyo.

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.

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.

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.

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.

 

Code nameVersionAPI level
Marshmallow 6.0 API level 23
Lollipop 5.1 API level 22
Lollipop 5.0 API level 21
KitKat 4.4 - 4.4.4 API level 19
Jelly Bean 4.3.x API level 18
Jelly Bean 4.2.x API level 17
Jelly Bean 4.1.x API level 16
Ice Cream Sandwich 4.0.3 - 4.0.4 API level 15, NDK 8
Ice Cream Sandwich 4.0.1 - 4.0.2 API level 14, NDK 7
Honeycomb 3.2.x API level 13
Honeycomb 3.1 API level 12, NDK 6
Honeycomb 3.0 API level 11
Gingerbread 2.3.3 - 2.3.7 API level 10
Gingerbread 2.3 - 2.3.2 API level 9, NDK 5
Froyo 2.2.x API level 8, NDK 4
Eclair 2.1 API level 7, NDK 3
Eclair 2.0.1 API level 6
Eclair 2.0 API level 5
Donut 1.6 API level 4, NDK 2
Cupcake 1.5 API level 3, NDK 1
(no code name) 1.1 API level 2
(no code name) 1.0 API level 1

 

Android Codenames, Tags, and Build Numbers

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原文地址:http://www.cnblogs.com/wicrecend/p/5424263.html

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