chore：增加EventBus

lib/event/event_bus.dart

@@ -0,0 +1,7 @@
+import 'package:event_bus/event_bus.dart';
+
+class ApplicationEvent {
+
+  static EventBus eventBus;
+
+}

lib/event/event_model.dart

@@ -0,0 +1,7 @@
+class DemoEvent {
+
+  final String name;
+
+  DemoEvent(this.name);
+
+}

pubspec.lock

@@ -71,6 +71,13 @@ packages:
       url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub"
     source: hosted
     version: "3.0.9"
+  event_bus:
+    dependency: "direct main"
+    description:
+      name: event_bus
+      url: "https://mirrors.tuna.tsinghua.edu.cn/dart-pub"
+    source: hosted
+    version: "1.1.1"
   fluro:
     dependency: "direct main"
     description:

pubspec.yaml

@@ -28,7 +28,8 @@ dependencies:
   image_picker: ^0.6.7+1
   package_info: ^0.4.1
   sqflite: ^1.3.0
-  fluro: "^1.6.3"
+  fluro: ^1.6.3
+  event_bus: ^1.1.1
 
 
   # The following adds the Cupertino Icons font to your application.