每次都记不住，需要去搜索，索性就记下来。
发布时间是一个大概时间，比如一个API对应多个修订版本的时候，选择最早的修订版本发布时间。
| 平台版本 | API级别 | VERSION_CODE | 发布时间 |
|---|---|---|---|
| Android 9.0 | 28 | P | 2018.8 |
| Android 8.1 | 27 | O_MR1 | 2017.12 |
| Android 8.0 | 26 | O | 2017.8 |
| Android 7.1 | 25 | N_MR1 | 2016.10 |
| Android 7.0 | 24 | N | 2016.8 |
| Android 6.0 | 23 | M | 2015.8 |
| Android 5.1 | 22 | LOLLIPOP_MR1 | 2015.3 |
| Android 5.0 | 21 | LOLLIPOP | 2014.10 |
| Android 4.4W | 20 | KITKAT_WATCH | 2014.1 |
| Android 4.4 | 19 | KITKAT | 2013.10 |
| Android 4.3 | 18 | JELLY_BEAN_MR2 | 2013.1 |
| Android 4.2/4.2.2 | 17 | JELLY_BEAN_MR1 | 2012.11 |
| Android 4.1/4.1.1 | 16 | JELLY_BEAN | 2012.6 |
| Android 4.0.3/4.0.4 | 15 | ICE_CREAM_SANDWICH_MR1 | 2011.11 |
| Android 4.0/4.0.1/4.0.2 | 14 | ICE_CREAM_SANDWICH | 2011.10 |
| Android 3.2 | 13 | HONEYCOMB_MR2 | 2011.1 |
| Android 3.1.x | 12 | HONEYCOMB_MR1 | 2011.5 |
| Android 3.0.x | 11 | HONEYCOMB | 2011.2 |
| Android 2.3.3/2.3.4 | 10 | GINGERBREAD_MR1 | 2011.2 |
| Android 2.3/2.3.1/2.3.2 | 9 | GINGERBREAD | 2010.12 |
| Android 2.2.x | 8 | FROYO | |
| Android 2.1.x | 7 | ECLAIR_MR1 | |
| Android 2.0.1 | 6 | ECLAIR_0_1 | |
| Android 2.0 | 5 | ECLAIR | |
| Android 1.6 | 4 | DONUT | |
| Android 1.5 | 3 | CUPCAKE | |
| Android 1.1 | 2 | BASE_1_1 | |
| Android 1.0 | 1 | BASE |
参考资料：
