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HTML

              
                <html>
  <head>
    <meta charset="utf-8">
    <title>ToDo</title>
    <meta name="viewport" content="initial-scale=1, maximum-scale=1, user-scalable=no">

        <link href="https://code.ionicframework.com/nightly/css/ionic.css" rel="stylesheet">
    <link rel="stylesheet" href="css/app.css">

    <script src="https://code.ionicframework.com/nightly/js/ionic.bundle.js"></script>
    <script src="js/app.js"></script>
  </head>
  <body ng-app="todo" ng-controller="TodoCtrl">
    <ion-side-menus>
      <!-- Center content -->
      <ion-side-menu-content>
        <ion-header-bar class="bar-positive">
          <button class="button button-icon" menu-toggle="left">
            <i class="icon ion-navicon"></i>
          </button>
          <h1 class="title">{{activeProject.title}}</h1>
          <!-- New Task button-->
          <button class="button button-clear" ng-click="newTask()">
            New
          </button>
        </ion-header-bar>
        <ion-content>
          <ion-list class="fade-in-not-out">
            <ion-checkbox ng-repeat="task in activeProject.tasks" ng-change="completionChanged()" ng-model="task.isComplete" ng-class="{complete: task.isComplete}">
            {{task.title}}
          </ion-checkbox>
        </ion-list>
        </ion-content>
      </ion-side-menu-content>

      <!-- Left menu -->
      <ion-side-menu side="left">
        <ion-header-bar class="bar-positive">
          <h1 class="title">Projects</h1>
          <button class="button button-icon" ng-click="newProject()">
            <i class="ion ion-plus"></i>
          </button>
        </ion-header-bar>
        <ion-content>
          <ion-list>
            <ion-item ng-repeat="project in projects" ng-click="selectProject(project, $index)" ng-class="{active: activeProject == project}">
              {{project.title}}
            </ion-item>
          </ion-list>
        </ion-content>
      </ion-side-menu>
    </ion-side-menus>

    <script id="new-task.html" type="text/ng-template">
      <div class="modal">
        <ion-header-bar class="bar-positive">
          <h1 class="title">New Task</h1>
          <button class="button button-clear" ng-click="closeNewTask()">Cancel</button>
        </ion-header-bar>

        <ion-content>
          <form ng-submit="createTask(task)">
            <div class="list">
              <label class="item item-input">
                <input type="text"  ng-model="task.title">
              </label>
            </div>
            <div class="padding">
              <button type="submit" class="button button-block button-primary">Create Task</button>
            </div>
          </form>

        </ion-content>
      </div>
    </script>
  </body>
</html>
              
            
!

CSS

              
                
              
            
!

JS

              
                angular.module('todo', ['ionic'])

/**
 * The Projects factory handles saving and loading projects
 * from local storage, and also lets us save and load the
 * last active project index.
 */
.factory('Projects', function() {
  return {
    all: function() {
      var projectString = window.localStorage['projects'];
      if (projectString) {
        return angular.fromJson(projectString);
      }
      return [];
    },
    save: function(projects) {
      window.localStorage['projects'] = angular.toJson(projects);
    },
    newProject: function(projectTitle) {
      // Add a new project
      return {
        title: projectTitle,
        tasks: []
      };
    },
    getLastActiveIndex: function() {
      return parseInt(window.localStorage['lastActiveProject']) || 0;
    },
    setLastActiveIndex: function(index) {
      window.localStorage['lastActiveProject'] = index;
    }
  }
})

.controller('TodoCtrl', function($scope, $timeout, $ionicModal, Projects) {

  // A utility function for creating a new project
  // with the given projectTitle
  var createProject = function(projectTitle) {
    var newProject = Projects.newProject(projectTitle);
    $scope.projects.push(newProject);
    Projects.save($scope.projects);
    $scope.selectProject(newProject, $scope.projects.length - 1);
  }


  // Load or initialize projects
  $scope.projects = Projects.all();

  // Grab the last active, or the first project
  $scope.activeProject = $scope.projects[Projects.getLastActiveIndex()];

  // Called to create a new project
  $scope.newProject = function() {
    var projectTitle = prompt('Project name');
    if (projectTitle) {
      createProject(projectTitle);
    }
  };

  // Called to select the given project
  $scope.selectProject = function(project, index) {
    $scope.activeProject = project;
    Projects.setLastActiveIndex(index);
    $scope.sideMenuController.close();
  };

  $scope.completionChanged = function() {
    Projects.save($scope.projects);
  };

  // Create our modal
  $ionicModal.fromTemplateUrl('new-task.html', function(modal) {
    $scope.taskModal = modal;
  }, {
    focusFirstInput: false,
    scope: $scope
  });

  $scope.createTask = function(task) {
    if (!$scope.activeProject) {
      return;
    }
    $scope.activeProject.tasks.push({
      title: task.title
    });
    $scope.taskModal.hide();

    // Inefficient, but save all the projects
    Projects.save($scope.projects);

    task.title = "";
  };

  $scope.newTask = function() {
    $scope.taskModal.show();
  };

  $scope.closeNewTask = function() {
    $scope.taskModal.hide();
  }

  $scope.toggleProjects = function() {
    $scope.sideMenuController.toggleLeft();
  };


  // Try to create the first project, make sure to defer
  // this by using $timeout so everything is initialized
  // properly
  $timeout(function() {
    if ($scope.projects.length == 0) {
      while (true) {
        var projectTitle = prompt('Your first project title:');
        if (projectTitle) {
          createProject(projectTitle);
          break;
        }
      }
    }
  });

});
              
            
!
999px

Console