error: cannot find symbol if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.S

[akhilgorantala]

C:\Flutter\flutter.pub-cache\hosted\pub.dartlang.org\flutter_bluetooth_serial-0.4.0\android\src\main\java\io\github\edufolly\flutterbluetoothserial\FlutterBluetoothSerialPlugin.java:452: error: cannot find symbol
if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.S) {
^
symbol: variable S
location: class VERSION_CODES
C:\Flutter\flutter.pub-cache\hosted\pub.dartlang.org\flutter_bluetooth_serial-0.4.0\android\src\main\java\io\github\edufolly\flutterbluetoothserial\FlutterBluetoothSerialPlugin.java:472: error: cannot find symbol
Manifest.permission.BLUETOOTH_SCAN)
^
symbol: variable BLUETOOTH_SCAN
location: class permission
C:\Flutter\flutter.pub-cache\hosted\pub.dartlang.org\flutter_bluetooth_serial-0.4.0\android\src\main\java\io\github\edufolly\flutterbluetoothserial\FlutterBluetoothSerialPlugin.java:475: error: cannot find symbol
Manifest.permission.BLUETOOTH_CONNECT)
^
symbol: variable BLUETOOTH_CONNECT
location: class permission
C:\Flutter\flutter.pub-cache\hosted\pub.dartlang.org\flutter_bluetooth_serial-0.4.0\android\src\main\java\io\github\edufolly\flutterbluetoothserial\FlutterBluetoothSerialPlugin.java:478: error: cannot find symbol
new String[]{Manifest.permission.BLUETOOTH_SCAN, Manifest.permission.BLUETOOTH_CONNECT},
^
symbol: variable BLUETOOTH_SCAN
location: class permission
C:\Flutter\flutter.pub-cache\hosted\pub.dartlang.org\flutter_bluetooth_serial-0.4.0\android\src\main\java\io\github\edufolly\flutterbluetoothserial\FlutterBluetoothSerialPlugin.java:478: error: cannot find symbol
new String[]{Manifest.permission.BLUETOOTH_SCAN, Manifest.permission.BLUETOOTH_CONNECT},
^
symbol: variable BLUETOOTH_CONNECT
location: class permission
Note: C:\Flutter\flutter.pub-cache\hosted\pub.dartlang.org\flutter_bluetooth_serial-0.4.0\android\src\main\java\io\github\edufolly\flutterbluetoothserial\FlutterBluetoothSerialPlugin.java uses or overrides a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
5 errors

FAILURE: Build failed with an exception.

• What went wrong:
  Execution failed for task ':flutter_bluetooth_serial: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 4s
Exception: Gradle task assembleDebug failed with exit code 1

[akhilgorantala]

Flutter Version: 3.3.10
Dart SDK version: 2.18.6

[dev9828]

hey bro? im not able to connect two phone with same app. but i am able to connet with bluetooth serial monitor with this app and and can chat. whats the issue? pls help