printCanvas method

  1. @override
Future<Map<String, dynamic>> printCanvas(
  1. int count
)
override

开始打印画布内容

Implementation

@override
Future<Map<String, dynamic>> printCanvas(int count) async {
  var rr = await _methodChannel.invokeMethod(
      Constants.METHOD_CANVAS_PRINT_CANVAS, {ParamConstants.COUNT: count});
  // 显式转换
  Map<String, dynamic> result = Map<String, dynamic>.from(rr);
  return result;
}