From bef52be875783dcd90510bfcc371ce80e19b22a7 Mon Sep 17 00:00:00 2001
From: zhangmeng <494089941@qq.com>
Date: Fri, 25 Feb 2022 17:09:42 +0800
Subject: [PATCH] =?UTF-8?q?=E5=8D=95=E4=BE=8B=E6=A8=A1=E5=BC=8F?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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---
 .idea/workspace.xml | 17 -----------------
 lib/dj_printer.dart |  5 +++++
 2 files changed, 5 insertions(+), 17 deletions(-)

diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index ce0f145..f2b2058 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -2,25 +2,8 @@
 <project version="4">
   <component name="ChangeListManager">
     <list default="true" id="2f8e3712-04e2-429a-bcea-c8db1a54008e" name="默认变更列表" comment="">
-      <change afterPath="$PROJECT_DIR$/android/libs/Sewoo_Android_1109.jar" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/android/src/main/java/com/dj/printer/dj_printer/AsPrint.java" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/android/src/main/java/com/dj/printer/dj_printer/Blutooth.java" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/lib/src/device_model.dart" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/lib/src/status_enum.dart" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/.idea/libraries/Dart_SDK.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/libraries/Dart_SDK.xml" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/android/build.gradle" beforeDir="false" afterPath="$PROJECT_DIR$/android/build.gradle" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/android/src/main/AndroidManifest.xml" beforeDir="false" afterPath="$PROJECT_DIR$/android/src/main/AndroidManifest.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/android/src/main/java/com/dj/printer/dj_printer/DjPrinterPlugin.java" beforeDir="false" afterPath="$PROJECT_DIR$/android/src/main/java/com/dj/printer/dj_printer/DjPrinterPlugin.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/dj_printer.iml" beforeDir="false" afterPath="$PROJECT_DIR$/dj_printer.iml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/example/android/app/build.gradle" beforeDir="false" afterPath="$PROJECT_DIR$/example/android/app/build.gradle" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/example/android/app/src/main/AndroidManifest.xml" beforeDir="false" afterPath="$PROJECT_DIR$/example/android/app/src/main/AndroidManifest.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/example/lib/main.dart" beforeDir="false" afterPath="$PROJECT_DIR$/example/lib/main.dart" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/example/pubspec.lock" beforeDir="false" afterPath="$PROJECT_DIR$/example/pubspec.lock" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/example/pubspec.yaml" beforeDir="false" afterPath="$PROJECT_DIR$/example/pubspec.yaml" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/lib/dj_printer.dart" beforeDir="false" afterPath="$PROJECT_DIR$/lib/dj_printer.dart" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/pubspec.lock" beforeDir="false" afterPath="$PROJECT_DIR$/pubspec.lock" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/test/dj_printer_test.dart" beforeDir="false" afterPath="$PROJECT_DIR$/test/dj_printer_test.dart" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
diff --git a/lib/dj_printer.dart b/lib/dj_printer.dart
index 7860c68..afe9805 100644
--- a/lib/dj_printer.dart
+++ b/lib/dj_printer.dart
@@ -4,6 +4,11 @@ import 'package:dj_printer/src/status_enum.dart';
 import 'package:flutter/services.dart';
 
 class DjPrinter {
+  static late final DjPrinter _instance = DjPrinter._();
+
+  DjPrinter._();
+
+  factory DjPrinter() => _instance;
   static const MethodChannel _channel = MethodChannel('dj_printer');
   static const EventChannel _deviceChannel =
       EventChannel("com.discovery.devices");