flutter permission_handler Build fail - flutter

Question

I am trying to add the package permission_handler to my flutter project but I cannot run the app. I get a build error. This is the error I get
C:\Users\Hp\dev\flutter\.pub-cache\hosted\pub.dartlang.org\permission_handler-8.2.5\android\src\main\java\com\baseflow\permissionhandler\PermissionManager.java:321: error: cannot find symbol
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.S) {
^
symbol: variable S
location: class VERSION_CODES
C:\Users\Hp\dev\flutter\.pub-cache\hosted\pub.dartlang.org\permission_handler-8.2.5\android\src\main\java\com\baseflow\permissionhandler\PermissionUtils.java:72: error: cannot find symbol
case Manifest.permission.BLUETOOTH_SCAN:
^
symbol: variable BLUETOOTH_SCAN
location: class permission
C:\Users\Hp\dev\flutter\.pub-cache\hosted\pub.dartlang.org\permission_handler-8.2.5\android\src\main\java\com\baseflow\permissionhandler\PermissionUtils.java:74: error: cannot find symbol
case Manifest.permission.BLUETOOTH_ADVERTISE:
^
symbol: variable BLUETOOTH_ADVERTISE
location: class permission
C:\Users\Hp\dev\flutter\.pub-cache\hosted\pub.dartlang.org\permission_handler-8.2.5\android\src\main\java\com\baseflow\permissionhandler\PermissionUtils.java:76: error: cannot find symbol
case Manifest.permission.BLUETOOTH_CONNECT:
^
symbol: variable BLUETOOTH_CONNECT
location: class permission
C:\Users\Hp\dev\flutter\.pub-cache\hosted\pub.dartlang.org\permission_handler-8.2.5\android\src\main\java\com\baseflow\permissionhandler\PermissionUtils.java:259: error: cannot
find symbol
String result = determineBluetoothPermission(context, Manifest.permission.BLUETOOTH_SCAN);
^
symbol: variable BLUETOOTH_SCAN
location: class permission
C:\Users\Hp\dev\flutter\.pub-cache\hosted\pub.dartlang.org\permission_handler-8.2.5\android\src\main\java\com\baseflow\permissionhandler\PermissionUtils.java:270: error: cannot
find symbol
String result = determineBluetoothPermission(context, Manifest.permission.BLUETOOTH_ADVERTISE);
^
symbol: variable BLUETOOTH_ADVERTISE
location: class permission
C:\Users\Hp\dev\flutter\.pub-cache\hosted\pub.dartlang.org\permission_handler-8.2.5\android\src\main\java\com\baseflow\permissionhandler\PermissionUtils.java:281: error: cannot
find symbol
String result = determineBluetoothPermission(context, Manifest.permission.BLUETOOTH_CONNECT);
^
symbol: variable BLUETOOTH_CONNECT
location: class permission
C:\Users\Hp\dev\flutter\.pub-cache\hosted\pub.dartlang.org\permission_handler-8.2.5\android\src\main\java\com\baseflow\permissionhandler\PermissionUtils.java:370: error: cannot
find symbol
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S && hasPermissionInManifest(context, null, permission )) {
^
symbol: variable S
location: class VERSION_CODES
8 errors
FAILURE: Build failed with an exception.
* What went wrong:
Execution failed for task ':permission_handler:compileDebugJavaWithJavac'.
> Compilation failed; see the compiler error output for details.
* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.
* Get more help at https://help.gradle.org
BUILD FAILED in 2m 48s
I have reverted to an earlier version but I would like to know what is the cause of this error. My compile version is 30

Answer 1

as said in plugin github repository
These new permissions are supported on Android 12, to resolve this problem make sure to set the compileSdkVersion in your app/build.gradle file to 31.
for more information have a look at here