Angular UI Router: decide child state template on the basis of parent resolved object

There is a working example. Instead of templateUrl we should use the templateProvider. This is new state def:

  $stateProvider
    .state('parentstate.childs', {
      url: '/edit',
      views: {
        "view1@parentstate": {
          templateUrl: 'views.view1.html',
          controller: 'view1Ctrl',
        },
        "view2@parentstate": {
          templateProvider: function($http, $stateParams, OBJ) {

            var obj = OBJ.get($stateParams.objId);
            var templateName = obj.id == 1
              ? "views.view2.html"
              : "views.view2.second.html"
              ;
        
            return $http
                  .get(templateName)
                  .then(function(tpl){
                    return tpl.data;
                  });
          },
          controller: 'view2Ctrl',
        }
      }
    });

Why are we using this approach? as documented here:

Templates

TemplateUrl
... templateUrl can also be a function that returns a url. It takes one preset parameter, stateParams, which is NOT injected.

TemplateProvider
Or you can use a template provider function which can be injected, has access to locals, and must return template HTML, like this:

Check the TemplateProvider based solution in this working plunker