To use this plugin, add screen as a dependency in your pubspec.yaml file.
Make sure you add the following permissions to your Android Manifest
<uses-permission android:name="android.permission.WAKE_LOCK" />
// Import package
import 'package:screen/screen.dart';
// Get the current brightness:
double brightness = await Screen.brightness;
// Set the brightness:
Screen.setBrightness(0.5);
// Check if the screen is kept on:
bool isKeptOn = await Screen.isKeptOn;
// Prevent screen from going into sleep mode:
Screen.keepOn(true);