deepvoice_client/local_plugins/ota/lib/ota_method_channel.dart

import 'package:flutter/foundation.dart';
import 'package:flutter/services.dart';

import 'ota_platform_interface.dart';

/// An implementation of [OtaPlatform] that uses method channels.
class MethodChannelOta extends OtaPlatform {
  /// The method channel used to interact with the native platform.
  @visibleForTesting
  final methodChannel = const MethodChannel('ota');

  @override
  Future<String?> startUpgrading(String? filePath) async {
    final version = await methodChannel.invokeMethod<String>(
      'startUpgrading',
      {'filePath': filePath}, // 传递参数
    );
    return version;
  }

  @override
  Future<String?> onOtaClose() async {
    final version = await methodChannel.invokeMethod<String>('onOtaClose');
    return version;
  }
}