private void InitUIAndData()
{
InitCallbackAndListener();
_chatManager = MainApplication.ChatManager;
_chatManager.RegisterListener(_myRtmClientListener);
_titleTextView = FindViewById <TextView>(Resource.Id.message_title);
_msgEditText = FindViewById <EditText>(Resource.Id.message_edittiext);
_recyclerView = FindViewById <RecyclerView>(Resource.Id.message_list);
_btnSend = FindViewById <TextView>(Resource.Id.selection_chat_btn);
_btnImageSend = FindViewById <ImageView>(Resource.Id.selection_img_btn);
_btnBack = FindViewById <ImageView>(Resource.Id.back);
_btnBack.Click += OnClickFinish;
_btnSend.Click += OnClickTextSend;
_btnImageSend.Click += OnClickImageSend;
_isPeerToPeerMode = Intent.GetBooleanExtra(MessageUtil.IntentExtraIsPeerMode, true);
_userId = Intent.GetStringExtra(MessageUtil.IntentExtraUserId);
string targetName = Intent.GetStringExtra(MessageUtil.IntentExtraTargetName);
if (_isPeerToPeerMode)
{
_peerId = targetName;
_titleTextView.Text = _peerId;
MessageListBean messageListBean = MessageUtil.GetExistMessageListBean(_peerId);
if (messageListBean != null)
{
_messageBeanList.AddRange(messageListBean.MessageBeanList);
}
MessageListBean offlineMessageBean = new MessageListBean(_peerId, _chatManager);
_messageBeanList.AddRange(offlineMessageBean.MessageBeanList);
_chatManager.RemoveAllOfflineMessages(_peerId);
_titleTextView.Text = $"Chat with {_peerId}";
}
else
{
_channelName = targetName;
_channelMemberCount = 1;
_titleTextView.Text = $"{_channelName}({_channelMemberCount})";
}
LinearLayoutManager layoutManager = new LinearLayoutManager(this);
_recyclerView.SetLayoutManager(layoutManager);
layoutManager.Orientation = OrientationHelper.Vertical;
_messageAdapter = new MessageAdapter(this, _messageBeanList);
_recyclerView.SetAdapter(_messageAdapter);
}