Update

examples/vanilladart/lib/uuid.dart

+library uuid;
+
+import 'dart:math';
+
+Random _random = new Random();
+
+String uuid() {
+  return "${_S4()}${_S4()}-${_S4()}-${_S4()}-${_S4()}-${_S4()}${_S4()}${_S4()}";
+}
+
+String _S4() {
+  return _random.nextInt(65536).toRadixString(16);
+}

examples/vanilladart/pubspec.yaml

 name: todomvc_vanilladart
-version: 1.0.0
+version: 1.0.1
 description: TodoMVC built with Dart. Simple, vanilla Dart.
 dependencies:
-  browser: any
-  uuid: any
\ No newline at end of file
+  browser: any
\ No newline at end of file

examples/vanilladart/web/dart/TodoApp.dart

@@ -2,8 +2,6 @@ part of todomvc;
 
 class TodoApp {
 
-	static final Uuid uuid = new Uuid();
-
 	List<TodoWidget> todoWidgets = new List<TodoWidget>();
 
 	Element todoListElement = querySelector('#todo-list');
@@ -44,7 +42,7 @@ class TodoApp {
 		  if (e.keyCode == KeyCode.ENTER) {
         var title = newTodoElement.value.trim();
         if (title.isNotEmpty) {
-          addTodo(new Todo(uuid.v4(), title));
+          addTodo(new Todo(uuid(), title));
           newTodoElement.value = '';
           updateFooterDisplay();
           save();

examples/vanilladart/web/dart/app.dart

@@ -3,8 +3,8 @@ library todomvc;
 import 'dart:html'
   show Element, InputElement, KeyCode, KeyboardEvent, querySelector, window;
 import 'dart:convert' show HtmlEscape, JSON;
-import 'package:uuid/uuid.dart';
-import 'package:todomvc_vanilladart/models.dart' show Todo;
+import 'package:todomvc_vanilladart/models.dart';
+import 'package:todomvc_vanilladart/uuid.dart';
 
 part 'TodoWidget.dart';
 part 'TodoApp.dart';