Multi tool use

Stfalcon Chatkit Library

First and foremost I will appreciate if any one have any tutorial or walkthrough on how to implement chatkit android library by stfalcon.
My challenges are: How do I differentiate between the sender and the receiver if their is only one adapter and the sender or receiver is determined from there???

messagesList = (MessagesList) findViewById(R.id.messages_list);
adapter = new MessagesListAdapter(this.senderId, null);
messagesList.setAdapter(adapter);


Secondly can I have an explanation on the Model part? The UserModel is a bit confusing to me!

public class Message implements IMessage {
public String text;
public String id;
public Date createdAt;
public UserModel author = new UserModel();


public Message(String text, String id, Date createdAt) {
this.text = text;
this.id = id;
this.createdAt = createdAt;
}

@Override
public String getId() {
return id;
}

@Override
public String getText() {
return text;
}

@Override
public UserModel getUser() {
return author;
}

@Override
public Date getCreatedAt() {
return createdAt;
}
}


Pls don't be offended by my question!!! just a bit hard implementing this good library. Thank you.

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