AngularJS RouteProvider Resolve Example

var app = angular.module('plunker', []);

app.config(['$routeProvider',
  function($routeProvider) {
    $routeProvider
      .when('/viewA', {
        templateUrl: 'resolveView.html',
        controller: 'resolveCtrlA',
        resolve: {
          resolvedVal: function() {
            return '1. CtrlA resolved';
          }
        }
      })
      .when('/viewB', {
        templateUrl: 'resolveView.html',
        controller: 'resolveCtrlB',
        resolve: {
          resolvedVal: function($http) {
            $http.get('data.json').success(function(data) {
              console.log('2. json resolved from provider');
            });
            return '1. CtrlB resolved';
          }
        }
      });
  }
]);

app.controller('MainCtrl', function($scope, $location) {});

app.controller('resolveCtrlA', function($scope, $http, resolvedVal) {
  $scope.val = resolvedVal;
  console.log(resolvedVal);
  $http.get('data.json').success(function(data) {
    $scope.data = data;
    console.log('2. json resolved from controller');
  });
});

app.controller('resolveCtrlB', function($scope, $http, resolvedVal) {
  $scope.val = resolvedVal;
  console.log(resolvedVal);
  $http.get('data.json').success(function(data) {
    $scope.data = data;
    console.log('3. json resolved from controller');
  });
});

<!DOCTYPE html>
<html ng-app="plunker">

  <head>
    <meta charset="utf-8" />
    <title>AngularJS Plunker</title>
    <script>document.write('<base href="' + document.location + '" />');</script>
    <link rel="stylesheet" href="style.css" />
    <script data-require="angular.js@1.0.x" src="https://ajax.googleapis.com/ajax/libs/angularjs/1.0.7/angular.js" data-semver="1.0.7"></script>
    <script src="app.js"></script>
  </head>

  <body ng-controller="MainCtrl">
   
   <a href="#/viewA">View A</a>
   <a href="#/viewB">View B</a>
   
   <div ng-view></div>
    
  </body>

</html>

/* Put your css in here */

a {
  color: blue;
  cursor: pointer;
  text-decoration: underline;
}

ul li  ul {
  display: none;
}

.open { 
   display: block; 
}

 
 
 {{val}}
 <hr/>
 {{data}}

[
      {
        "letter": "A",
        "fruit": "Apple"
      },
      {
        "letter": "B",
        "fruit": "Bannana"
      },
      {
        "letter": "C",
        "fruit": "Cherry"        
      }
]