[orkut-developer] to verify if has friends, that it uses app, as?

[Vinicius]

Hi this my code does not function, necessary to verify if using it
does not have the applicatory one, sees:

. . .
function getFriends() {
 var req = opensocial.newDataRequest();
 var opt_params = {};
 opt_params[opensocial.DataRequest.PeopleRequestFields.MAX] = 1000;
 opt_params[opensocial.DataRequest.PeopleRequestFields.FILTER] =
opensocial.DataRequest.FilterType.HAS_APP;
opt_params[opensocial.DataRequest.PeopleRequestFields.SORT_ORDER] =
opensocial.DataRequest.SortOrder.NAME;

opt_params[opensocial.DataRequest.PeopleRequestFields.PROFILE_DETAILS]
=
 [opensocial.Person.Field.PROFILE_URL];

req.add(req.newFetchPersonRequest(opensocial.DataRequest.PersonId.VIEWER,
opt_params), "viewer");

req.add(req.newFetchPeopleRequest(opensocial.DataRequest.Group.VIEWER_FRIENDS,
opt_params),    "viewer_friends");
 req.send(responseFriends);

}

function responseFriends(data) {
        _gel('div_myfriends').innerHTML = '';
        var viewer = data.get("viewer").getData();
        var thumb =
viewer.getField(opensocial.Person.Field.THUMBNAIL_URL);
        var profile =
viewer.getField(opensocial.Person.Field.PROFILE_URL);
        var viewer_friends = data.get("viewer_friends").getData();

//this verification ,it does not work
if(viewer_friends == null || data == 'null' || data == undefined ||
viewer_friends == 'null'){
   document.getElementById('div_myfriends').innerHTML = "its friends
do not have the applicatory one";
return false;
}

        viewer_friends.each(function(person) {
        var thumb =
person.getField(opensocial.Person.Field.THUMBNAIL_URL);
        var profile =
person.getField(opensocial.Person.Field.PROFILE_URL);
        _gel('div_myfriends').innerHTML += "<td><a href="+profile+"
target='_top'><img src="+thumb+" />"+person.getDisplayName();+"</a></
td>";
 });
}

. . .

help me, please !!!
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