public void StartTutorial(MainActivity activity)
{
_mainActivity = activity;
// hide Tools for tuto
_mainActivity.HideTools();
_mainActivity.HideScroll();
//TODO : put Bed Cachou
_mainActivity.SetCachouImg(Resource.Drawable.Cachou);
// start audio 1
PlayAudio(_mainActivity, Resource.Raw.audio1);
// Add event on nurse click
_mainActivity.FindViewById<ImageView>(Resource.Id.bear1).Click += OnCompletion;
_mainActivity.FindViewById<ImageView>(Resource.Id.bear2).Click += OnCompletion;
_mainActivity.FindViewById<ImageView>(Resource.Id.bear3).Click += OnCompletion;
_mainActivity.FindViewById<ImageView>(Resource.Id.fox1).Click += OnCompletion;
_mainActivity.FindViewById<ImageView>(Resource.Id.fox2).Click += OnCompletion;
_mainActivity.FindViewById<ImageView>(Resource.Id.girafe1).Click += OnCompletion;
_mainActivity.FindViewById<ImageView>(Resource.Id.girafe2).Click += OnCompletion;
_mainActivity.FindViewById<ImageView>(Resource.Id.panda1).Click += OnCompletion;
_mainActivity.FindViewById<ImageView>(Resource.Id.panda2).Click += OnCompletion;
}