AlexPrestonSB

//File Message
// Sending a file message with a raw file
List<FileMessage.ThumbnailSize> thumbnailSizes = new ArrayList<>(); 
thumbnailSizes.add(new ThumbnailSize(100,100));

FileMessageParams params = new FileMessageParams()
        .setFile(FILE)             
        .setFileName(FILE_NAME)
        .setFileSize(FILE_SIZE)
        .setMimeType(MIME_TYPE)

AlexPrestonSB

//User Message
List<String> translationTargetLanguages = new ArrayList<>();
translationTargetLanguages.add("fr");       // French
translationTargetLanguages.add("de");       // German

UserMessageParams params = new UserMessageParams()
        .setMessage(TEXT_MESSAGE)
        .setCustomType(CUSTOM_TYPE)
        .setData(DATA)
        .setTranslationTargetLanguages(translationTargetLanguages)

AlexPrestonSB

class GroupChannelChatPresenterImpl @Inject constructor(private val preferenceHelper: AppPreferenceHelper) :
    GroupChannelChatPresenter {

    private lateinit var view: GroupChannelChatView
    private lateinit var channelUrl: String
    private lateinit var message: String
    private var channel: GroupChannel? = null
    private lateinit var context: Context

AlexPrestonSB

class GroupChannelChatActivity : AppCompatActivity(), GroupChannelChatView, GroupChannelChatAdapter.OnItemClickListener {

    private val EXTRA_CHANNEL_URL = "EXTRA_CHANNEL_URL"

    @Inject
    lateinit var presenter: GroupChannelChatPresenterImpl

    private lateinit var recyclerView: RecyclerView

    private lateinit var adapter: GroupChannelChatAdapter

AlexPrestonSB

class GroupChannelChatAdapter(context: Context, listener: OnItemClickListener) :
    RecyclerView.Adapter<RecyclerView.ViewHolder>() {

    private var messages: MutableList<BaseMessage>
    private var context: Context
    private var listener: OnItemClickListener

    init {
        messages = ArrayList()
        this.context = context

AlexPrestonSB

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:map="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="wrap_content">

    <TextView
        android:id="@+id/text_gchat_map_date_other"
        android:layout_width="wrap_content"

AlexPrestonSB

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:map="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:layout_marginTop="@dimen/activity_vertical_margin">


    <TextView

AlexPrestonSB

private class ChatAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
        private static final int VIEW_TYPE_MESSAGE_SENT = 1;
        private static final int VIEW_TYPE_MESSAGE_RECEIVED = 2;

        private ArrayList<BaseMessage> mMessageList;
        private OpenChannel mChannel;

        ChatAdapter(OpenChannel channel) {
            mMessageList = new ArrayList<>();
            mChannel = channel;

AlexPrestonSB

  @Override
    protected void onResume() {
        super.onResume();

        // Receives messages from SendBird servers
        SendBird.addChannelHandler(CHANNEL_HANDLER_ID, new SendBird.ChannelHandler() {
            @Override
            public void onMessageReceived(BaseChannel baseChannel, BaseMessage baseMessage) {
                if (baseChannel.getUrl().equals(mChannelUrl) && baseMessage instanceof UserMessage) {
                    mChatAdapter.appendMessage((UserMessage) baseMessage);

AlexPrestonSB

@Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_chat);

        mSendButton = (Button) findViewById(R.id.button_chat_send);
        mMessageEditText = (EditText) findViewById(R.id.edittext_chat);

        mRecyclerView = (RecyclerView) findViewById(R.id.reycler_chat);
        mLayoutManager = new LinearLayoutManager(this);