// Called when the user clicks the send button.
private void sendMessage()
{
//checkMessage
mMsgEditText.Enabled = false;
string msgStr = mMsgEditText.Text.ToString();
if (msgStr.Length > 0)
{
if (msgStr.Length > maxTextLength)
{
showError();
}
else
{
ChatMessage myMsg = new ChatMessage(senderId, senderAlias, msgStr, ChatMessage.MessageStatus.SENT_MESSAGE);
bool msgError = onMessageReadyToSend(myMsg);
if (msgError)
{
Log.d(LOG_TAG, "Error to send the message");
showError();
}
else
{
mMsgEditText.Enabled = true;
mMsgEditText.Focusable = true;
mMsgEditText.Text = "";
mMsgCharsView.TextColor = Resources.getColor(R.color.info);
mListView.smoothScrollToPosition(mMessageAdapter.Count);
//add the message to the component
addMessage(myMsg);
}
}
}
else
{
mMsgEditText.Enabled = true;
}
}
/// <summary>
/// Called when a message in the TextChatFragment is ready to send. A message is
/// ready to send when the user clicks the Send button in the TextChatFragment
/// user interface.
///
/// If you subclass the TextChatFragment class and implement this method,
/// you do not need to set a TextChatListener.
/// </summary>
protected internal virtual bool onMessageReadyToSend(ChatMessage msg)
{
if (this.textChatListener != null)
{
Log.d(LOG_TAG, "onMessageReadyToSend");
return this.textChatListener.onMessageReadyToSend(msg);
}
return false;
}
/// <summary>
/// Add a message to the TextChatListener received message list.
/// </summary>
public virtual void addMessage(ChatMessage msg)
{
Log.i(LOG_TAG, "New message " + msg.Text + " is ready to be added.");
if (msg != null)
{
//check the origin of the message
if (msg.SenderId != this.senderId)
{
msg.Status = ChatMessage.MessageStatus.RECEIVED_MESSAGE;
}
bool visible = NewMessageVisible;
mMsgNotificationView.TextColor = Resources.getColor(R.color.text);
mMsgNotificationView.Text = "New messages";
showMsgNotification(visible);
//generate message timestamp
DateTime date = DateTime.Now;
if (msg.Timestamp == 0)
{
msg.Timestamp = date.Ticks;
}
mMessageAdapter.add(msg);
}
}
