JAVA

install android sdk

Android SDK is bundled with Android Studio
(this is the easiest way to install and use the SDK)
https://developer.android.com/studio

Or you can install it seperately
https://developer.android.com/studio#command-tools

latest android sdk version

Check https://developer.android.com/studio/releases/platforms

android get sdk version

if(android.os.Build.VERSION.SDK_INT ==  android.os.Build.VERSION_CODES.LOLLIPOP){
	// Code For Android Version higher equal to LOLLIPOP(21)
} else if(android.os.Build.VERSION.SDK_INT > 21){
	// Code For Android Version higher than LOLLIPOP(21)
} else{
	// Code For Android Version lower than LOLLIPOP(21)
}

android sdk

Version	SDK / API level	Version code	Codename	Cumulative
usage 1	Year
Android 13	Level 33	TIRAMISU	Tiramisu 2	No data	2022
Android 12	Level 32 Android 12L	S_V2	Snow Cone 2
Level 31 Android 12	S	20.7%	2021
targetSdk must be 31+ for new apps.
Android 11	Level 30	R	Red Velvet Cake 2	50.3%	2020
targetSdk must be 30+ for app updates, and new WearOS apps.
targetSdk will need to be 30+ for all existing apps by November 2022. 3
Android 10	Level 29	Q	Quince Tart 2	72.1%	2019
Android 9	Level 28	P	Pie	82.9%	2018
targetSdk must be 28+ for Wear OS app updates.
Android 8	Level 27 Android 8.1	O_MR1	Oreo	88.4%	2017
Level 26 Android 8.0	O	91.1%
Android 7	Level 25 Android 7.1	N_MR1	Nougat	92.5%	2016
Level 24 Android 7.0	N	95.1%
Android 6	Level 23	M	Marshmallow	97.4%	2015
Android 5	Level 22 Android 5.1	LOLLIPOP_MR1	Lollipop	98.8%	2015
Level 21 Android 5.0	LOLLIPOP, L	No data	2014
Jetpack Compose requires a minSdk of 21 or higher.
Android 4	Level 20 Android 4.4W 4	KITKAT_WATCH	KitKat
Level 19 Android 4.4	KITKAT	2013
Google Play services do not support Android versions below API level 19.
Level 18 Android 4.3	JELLY_BEAN_MR2	Jelly Bean
Level 17 Android 4.2	JELLY_BEAN_MR1	2012
Level 16 Android 4.1	JELLY_BEAN
Level 15 Android 4.0.3 – 4.0.4	ICE_CREAM_SANDWICH_MR1	Ice Cream Sandwich	2011
Level 14 Android 4.0.1 – 4.0.2	ICE_CREAM_SANDWICH
Jetpack/AndroidX libraries require a minSdk of 14 or higher.
Android 3	Level 13 Android 3.2	HONEYCOMB_MR2	Honeycomb
Level 12 Android 3.1	HONEYCOMB_MR1
Level 11 Android 3.0	HONEYCOMB
Android 2	Level 10 Android 2.3.3 – 2.3.7	GINGERBREAD_MR1	Gingerbread
Level 9 Android 2.3.0 – 2.3.2	GINGERBREAD	2010
Level 8 Android 2.2	FROYO	Froyo
Level 7 Android 2.1	ECLAIR_MR1	Eclair
Level 6 Android 2.0.1	ECLAIR_0_1	2009
Level 5 Android 2.0	ECLAIR
Android 1	Level 4 Android 1.6	DONUT	Donut
Level 3 Android 1.5	CUPCAKE	Cupcake
Level 2 Android 1.1	BASE_1_1	Petit Four
Level 1 Android 1.0	BASE

Android SDK

License for package Android SDK Build-Tools 30.0.2 not accepted.