折腾：
【未解决】Android中导入androidX去实现PreferenceFragmentCompat的rcsjta的tts的设置
期间，需要去整理清楚
Android的sdk，即api的版本号和安卓版本和名称的关系。
android sdk api list
【总结】
Codename | Version | API level/NDK release |
Android10 | 10 | API level 29 |
Pie | 9 | API level 28 |
Oreo | 8.1.0 | API level 27 |
Oreo | 8.0.0 | API level 26 |
Nougat | 7.1 | API level 25 |
Nougat | 7.0 | API level 24 |
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 codename) | 1.1 | API level 2 |
(no codename) | 1.0 | API level 1 |
如图：
