private void sendMessage() {
// do not submit blank lines
String messageBody = messageBox.getText().toString().trim();
if (messageBody.isEmpty()) {
return;
}
// send the message to server and clear message box
worker.sendMessages(chatId, messageBody);
messageBox.setText("");
}
/** ************************ ListFragment Overrides * ************************ */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Bundle arguments = getArguments();
if (arguments.containsKey(ARG_ITEM_ID)) {
chatId = (String) arguments.get(ARG_ITEM_ID);
Optional<Chat> chat = userProfile.getChat(chatId);
if (chat.isPresent() && !chat.get().messages.isEmpty()) {
messageAdapter =
new MessageListArrayAdapter(getActivity(), new ArrayList<>(chat.get().messages));
} else {
messageAdapter = new MessageListArrayAdapter(getActivity());
worker.getChatMessages(chatId);
}
setListAdapter(messageAdapter);
}
}