Java tutorial
/* * Hedgewars for Android. An Android port of Hedgewars, a free turn based strategy game * Copyright (C) 2012 Simeon Maxein <smaxein@googlemail.com> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ package org.hedgewars.hedgeroid; import org.hedgewars.hedgeroid.R; import org.hedgewars.hedgeroid.netplay.MessageLog; import org.hedgewars.hedgeroid.netplay.Netplay; import android.os.Bundle; import android.support.v4.app.Fragment; import android.view.KeyEvent; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.EditText; import android.widget.ListView; import android.widget.TextView; import android.widget.TextView.OnEditorActionListener; /** * This fragment displays a chatlog and text input field for chatting in either * the lobby or a room. */ public class ChatFragment extends Fragment { private ChatlogAdapter adapter; private Netplay netplay; private MessageLog messageLog; private boolean inRoom; public void setInRoom(boolean inRoom) { this.inRoom = inRoom; } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); netplay = Netplay.getAppInstance(getActivity().getApplicationContext()); adapter = new ChatlogAdapter(getActivity()); } @Override public void onStart() { super.onStart(); messageLog = inRoom ? netplay.roomChatlog : netplay.lobbyChatlog; adapter.setLog(messageLog.getLog()); messageLog.addListener(adapter); } @Override public void onStop() { super.onStop(); messageLog.removeListener(adapter); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View view = inflater.inflate(R.layout.fragment_chat, container, false); ListView listView = (ListView) view.findViewById(R.id.chatConsole); listView.setAdapter(adapter); listView.setDivider(null); listView.setDividerHeight(0); listView.setVerticalFadingEdgeEnabled(true); EditText editText = (EditText) view.findViewById(R.id.chatInput); editText.setOnEditorActionListener(new ChatSendListener()); return view; } private final class ChatSendListener implements OnEditorActionListener { public boolean onEditorAction(TextView v, int actionId, KeyEvent event) { String text = v.getText().toString(); if (text.length() > 0) { v.setText(""); netplay.sendChat(text); } return true; } } }