callApi method

Implementation

Future<ReturnParams> callApi(CallParams params) async {
  try {
    logger.info('callApi:', [params.toJson()]);
    final result = await _methodChannel
        .invokeMethod('callApi', {'params': jsonEncode(params.toJson())});

    // Check and handle return value
    if (result == null) {
      throw Exception('Native return value is empty');
    }

    // Ensure result is string type
    String jsonString;
    if (result is String) {
      jsonString = result;
    } else {
      jsonString = jsonEncode(result);
    }

    try {
      final Map<String, dynamic> json = jsonDecode(jsonString);
      logger.info('call Api result:', [json]);
      return ReturnParams.fromJson(json);
    } catch (e) {
      logger.error('Failed to parse JSON:', [jsonString]);
      throw Exception('Invalid return data format: $e');
    }
  } catch (e) {
    logger.error('Failed to call native method:', [e]);
    rethrow;
  }
}