battery_permission.dart

import 'package:disable_battery_optimization/disable_battery_optimization.dart';

class BatteryPermission extends RequiredPermission {
  static final Logger _log = Logger('BatteryPermission');

  @override
  String get explanation =>
      'Turning off battery optimizations allows us to XXX.';

  const BatteryPermission() : super(priority: 5, androidOnly: true);

  @override
  Future<bool> _isGrantedInternal(GeoLocationPermission permission) async {
    final native =
        (await DisableBatteryOptimization.isBatteryOptimizationDisabled) ??
        true;
    final manufacturer =
        (await DisableBatteryOptimization
            .isManufacturerBatteryOptimizationDisabled) ??
        true;
    _log.fine(
      'Battery optimization info '
      'native=$native manufacturer=$manufacturer',
    );
    return native && manufacturer;
  }

  @override
  Future<PermissionResult> request(
    GeoLocationRepository geoLocationRepository,
  ) async {
    final nativeGranted =
        (await DisableBatteryOptimization.isBatteryOptimizationDisabled) ??
        true;
    if (!nativeGranted) {
      final result =
          await DisableBatteryOptimization.showDisableBatteryOptimizationSettings();
      _log.info('showDisableBatteryOptimizationSettings result is: $result');
    }

    final manufacturerGranted =
        (await DisableBatteryOptimization
            .isManufacturerBatteryOptimizationDisabled) ??
        true;
    if (!manufacturerGranted) {
      final result =
          await DisableBatteryOptimization.showDisableManufacturerBatteryOptimizationSettings(
            'Your device has additional battery settings',
            'Please follow the steps and disable the battery optimizations.',
          );
      _log.info(
        'showDisableManufacturerBatteryOptimizationSettings result is: $result',
      );
    }

    return const Success();
  }
}