AngularJS ng-click to go to another page (with Ionic framework)

Question

Ideally, when I click on the button (which is in the Ionic navbar at the top), it should bring me to another page. However its not working. Upon click, the nav bar buttons a

Answer 1

app.controller('NavCtrl', function ($scope, $location, $state, $window, Post, Auth) {
    $scope.post = {url: 'http://', title: ''};

    $scope.createVariable = function(url) {
      $window.location.href = url;
    };
    $scope.createFixed = function() {
      $window.location.href = '/tab/newpost';
    };
});

HTML