worldhopper/lib/helpers/eink_detection_helper.dart

import 'dart:io';
import 'package:device_info_plus/device_info_plus.dart';

/// Detects whether the current device is a known e-ink device.
class EinkDetectionHelper {
  static const _einkManufacturers = {
    'onyx', // BOOX
    'boyue', // Likebook
    'amazon', // Kindle
    'kobo',
    'rakuten', // Kobo
    'pocketbook',
    'remarkable',
    'tolino',
    'bigme',
    'dasung',
  };

  /// Hisense e-ink phone model prefixes (e.g. A5, A7, A9).
  static const _hisenseEinkModels = {'a5', 'a7', 'a9'};

  /// Returns `true` when the device is a known e-ink device.
  /// On non-Android platforms this always returns `false`.
  static Future<bool> isEinkDevice() async {
    if (!Platform.isAndroid) return false;

    final info = await DeviceInfoPlugin().androidInfo;
    final manufacturer = info.manufacturer.toLowerCase();
    final model = info.model.toLowerCase();

    if (_einkManufacturers.contains(manufacturer)) return true;

    // Hisense makes both LCD and e-ink phones — match specific model lines.
    if (manufacturer == 'hisense') {
      for (final prefix in _hisenseEinkModels) {
        if (model.contains(prefix)) return true;
      }
    }

    return false;
  }
}