snippet.js

$('#activity-details').live('pagebeforeshow', function(){
    var activitiesDetailsContainer = $('#activity-details').find(":jqmData(role='content')"),
        activityDetailsView,
        activityId = $('#activity-details').jqmData('activityId'),
        activityModel = exercise.activities.get(activityId);
    
    activityDetailsView = new exercise.ActivityDetailsView({model: activityModel, viewContainer: activitiesDetailsContainer});
    activityDetailsView.render();
});