New Twiddle

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle'
});

controllers.page-one.js

import Ember from 'ember';

export default Ember.Controller.extend({
  pageService:Ember.inject.service(),
  actions:{
  	pageHandler:function(){
    	var pageNo = this.get('pageService').get('pageIndex');
      var totalPages = this.get('pageService').get('totalPages');
      this.set('totalPages', totalPages);
      this.set('pageNo', pageNo);
    }
  }
});

controllers.page-two.js

import Ember from 'ember';

export default Ember.Controller.extend({
  pageService:Ember.inject.service(),
  actions:{
  	pageHandler:function(){
    	var pageNo = this.get('pageService').get('pageIndex');
      var totalPages = this.get('pageService').get('totalPages');
      this.set('totalPages', totalPages);
      this.set('pageNo', pageNo);
    }
  }
});

router.js

import Ember from 'ember';
import config from './config/environment';

const Router = Ember.Router.extend({
  location: 'none',
  rootURL: config.rootURL
});

Router.map(function() {
  this.route('page-one');
  this.route('page-two')
});

export default Router;

routes.application.js

import Ember from 'ember';

export default Ember.Route.extend({
});

routes.page-one.js

import Ember from 'ember';

export default Ember.Route.extend({
  model(){
  	this.controllerFor(this.routeName).send('pageHandler');
  }
});

routes.page-two.js

import Ember from 'ember';

export default Ember.Route.extend({
  model(){
  	this.controllerFor(this.routeName).send('pageHandler');
  }
});

services.page-service.js

import Ember from 'ember';

export default Ember.Service.extend({
  startPage:0,
  pageIndex:Ember.computed(function(){
  	return this.get('startPage') + 1;
  }),
  totalPages:2
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>

{{#link-to "page-one"}}Page One{{/link-to}}
{{#link-to "page-two"}}Page Two{{/link-to}}
<br>
<br>
{{outlet}}
<br>
<br>

templates.page-one.hbs

<h2>Page one</h2> Page No. {{pageNo}} of {{totalPages}}

templates.page-two.hbs

<h2>Page one</h2>  Page No. {{pageNo}} of {{totalPages}}

twiddle.json

{
  "version": "0.13.0",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.16.2",
    "ember-template-compiler": "2.16.2",
    "ember-testing": "2.16.2"
  },
  "addons": {
    "ember-data": "2.16.3"
  }
}