// When the Update button is clicked, update our published Message
public void UpdateMessage()
{
// Retrieves updated data from UI
context.Fetch();
// Remove our last message from MonoTouch Dialog
if (myMessage != null)
{
RemoveMonkeyMessage(myMessage);
}
// Create new Nearby message to publish with the list choices
myMessage = new EmotionMessage {
UserId = userId,
Name = dialog.Names.ElementAt(dialog.CurrentName),
Species = dialog.Species.ElementAt(dialog.CurrentSpecie),
Emotion = dialog.Emotions.ElementAt(dialog.CurrentEmotion)
};
// Unpublish message, if we already published a message
Unpublish(myMessage);
// Publish the new message
Publish(myMessage);
}
public override void OnLost(NearbyMessage message)
{
base.OnLost(message);
var emotionMsg = EmotionMessage.Deserialize(message.GetContent());
OnLostHandler?.Invoke(emotionMsg);
}
// To unpublish a message you need to dispose the published message
void Unpublish(EmotionMessage emotionMessage)
{
if (AppDelegate.PublishedMessage == null)
{
return;
}
AppDelegate.PublishedMessage.Dispose();
AppDelegate.PublishedMessage = null;
RemoveMonkeyMessage(emotionMessage);
}
// Remove monkey message from MonoTouch Dialog
void RemoveMonkeyMessage(EmotionMessage message)
{
var index = monkeysMessages.IndexOf(message);
if (index < 0)
{
return;
}
monkeysMessages.RemoveAt(index);
messagesSection.Remove(index);
Root.Reload(messagesSection, UITableViewRowAnimation.Fade);
}
// Publishes a new Message to the Nearby API
async Task Publish()
{
// Wait for connection
if (!await IsConnected())
{
return;
}
// Create new Nearby message to publish with the spinner choices
var emotionMessage = new EmotionMessage
{
UserId = userId,
Name = spinnerName.SelectedItem.ToString(),
Species = spinnerSpecies.SelectedItem.ToString(),
Emotion = spinnerEmotion.SelectedItem.ToString()
};
// Remove any existing messages for this user from our list
// Add the new message and update the dataset
adapter.Messages.RemoveAll(m => m.UserId == userId);
adapter.Messages.Add(emotionMessage);
adapter.NotifyDataSetChanged();
// If we already published a message, unpublish it first
if (publishedMessage != null)
{
await Unpublish();
}
// Create a new nearby message with our serialized object
publishedMessage = new NearbyMessage(emotionMessage.Serialize());
// Publish our new message
var status = await NearbyClass.Messages.PublishAsync(googleApiClient, publishedMessage);
if (!status.IsSuccess)
{
LogMessage(status.StatusMessage);
}
}
// Publish the receive message
void Publish(EmotionMessage emotionMessage)
{
AppDelegate.PublishedMessage = manager.Publication(Message.Create(NSData.FromArray(emotionMessage.Serialize())));
AddMonkeyMessage(emotionMessage);
}
// Add monkey message to MonoTouch Dialog
void AddMonkeyMessage(EmotionMessage message)
{
monkeysMessages.Add(message);
messagesSection.Add(new StringElement(message.ToString()));
Root.Reload(messagesSection, UITableViewRowAnimation.Fade);
}
// Method to be called when a monkey unpublished his/her message
void MessageLost(Message message)
{
var emotionMessage = EmotionMessage.Deserialize(message.Content.ToArray());
RemoveMonkeyMessage(emotionMessage);
}
// Method to be called when a monkey published his/her message
void MessageFound(Message message)
{
var emotionMessage = EmotionMessage.Deserialize(message.Content.ToArray());
AddMonkeyMessage(emotionMessage);
}
public override void OnFound(NearbyMessage message)
{
var emotionMsg = EmotionMessage.Deserialize(message.GetContent());
OnFoundHandler?.Invoke(emotionMsg);
}
