Java tutorial
/** * Copyright (C) 2013-2014 EaseMob Technologies. All rights reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * http://www.apache.org/licenses/LICENSE-2.0 * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.runye.express.chat.activity; import java.util.HashMap; import java.util.List; import java.util.Map; import java.util.UUID; import android.content.BroadcastReceiver; import android.content.Context; import android.content.DialogInterface; import android.content.Intent; import android.content.IntentFilter; import android.os.Bundle; import android.support.v4.app.Fragment; import android.support.v4.app.FragmentActivity; import android.support.v4.app.FragmentTransaction; import android.text.TextUtils; import android.util.Log; import android.view.KeyEvent; import android.view.View; import android.view.Window; import android.widget.Button; import android.widget.TextView; import com.easemob.chat.ConnectionListener; import com.easemob.chat.EMChat; import com.easemob.chat.EMChatManager; import com.easemob.chat.EMContactListener; import com.easemob.chat.EMContactManager; import com.easemob.chat.EMConversation; import com.easemob.chat.EMGroupManager; import com.easemob.chat.EMMessage; import com.easemob.chat.EMMessage.ChatType; import com.easemob.chat.EMMessage.Type; import com.easemob.chat.EMNotifier; import com.easemob.chat.GroupChangeListener; import com.easemob.chat.TextMessageBody; import com.easemob.util.HanziToPinyin; import com.runye.express.activity.app.MyApplication; import com.runye.express.activity.common.LoginActivity; import com.runye.express.android.R; import com.runye.express.chat.db.InviteMessgeDao; import com.runye.express.chat.db.UserDao; import com.runye.express.chat.domain.InviteMessage; import com.runye.express.chat.domain.InviteMessage.InviteMesageStatus; import com.runye.express.chat.domain.User; import com.runye.express.utils.CommonUtil; import com.runye.express.utils.Constant; public class ChatMainActivity extends FragmentActivity { protected static final String TAG = "ChatMainActivity"; // ?textview private TextView unreadLabel; // textview private TextView unreadAddressLable; private Button[] mTabs; private ContactlistFragment contactListFragment; private ChatHistoryFragment chatHistoryFragment; private SettingsFragment settingFragment; private Fragment[] fragments; private int index; // private RelativeLayout[] tab_containers; // ?fragmentindex private int currentTabIndex; private NewMessageBroadcastReceiver msgReceiver; // ? private boolean isConflict = false; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); requestWindowFeature(Window.FEATURE_NO_TITLE); setContentView(R.layout.activity_chat_main); initView(); } /** * ? */ private void initView() { unreadLabel = (TextView) findViewById(R.id.unread_msg_number); unreadAddressLable = (TextView) findViewById(R.id.unread_address_number); mTabs = new Button[3]; mTabs[0] = (Button) findViewById(R.id.btn_conversation); mTabs[1] = (Button) findViewById(R.id.btn_address_list); mTabs[2] = (Button) findViewById(R.id.btn_setting); // tab? mTabs[0].setSelected(true); test(); } private void test() { inviteMessgeDao = new InviteMessgeDao(this); userDao = new UserDao(this); chatHistoryFragment = new ChatHistoryFragment(); contactListFragment = new ContactlistFragment(); settingFragment = new SettingsFragment(); fragments = new Fragment[] { chatHistoryFragment, contactListFragment, settingFragment }; // fragment getSupportFragmentManager().beginTransaction().add(R.id.fragment_container, chatHistoryFragment) .add(R.id.fragment_container, contactListFragment).hide(contactListFragment) .show(chatHistoryFragment).commit(); // // ?BroadcastReceiver msgReceiver = new NewMessageBroadcastReceiver(); IntentFilter intentFilter = new IntentFilter(EMChatManager.getInstance().getNewMessageBroadcastAction()); intentFilter.setPriority(3); registerReceiver(msgReceiver, intentFilter); // ack?BroadcastReceiver IntentFilter ackMessageIntentFilter = new IntentFilter( EMChatManager.getInstance().getAckMessageBroadcastAction()); ackMessageIntentFilter.setPriority(3); registerReceiver(ackMessageReceiver, ackMessageIntentFilter); // setContactListener??? EMContactManager.getInstance().setContactListener(new MyContactListener()); // ??listener EMChatManager.getInstance().addConnectionListener(new MyConnectionListener()); // ?listener EMGroupManager.getInstance().addGroupChangeListener(new MyGroupChangeListener()); // sdkUI ??receiverlistener, ??broadcast EMChat.getInstance().setAppInited(); } /** * button * * @param view */ public void onTabClicked(View view) { switch (view.getId()) { case R.id.btn_conversation: index = 0; break; case R.id.btn_address_list: index = 1; break; case R.id.btn_setting: index = 2; break; } if (currentTabIndex != index) { FragmentTransaction trx = getSupportFragmentManager().beginTransaction(); trx.hide(fragments[currentTabIndex]); if (!fragments[index].isAdded()) { trx.add(R.id.fragment_container, fragments[index]); } trx.show(fragments[index]).commit(); } mTabs[currentTabIndex].setSelected(false); // ?tab? mTabs[index].setSelected(true); currentTabIndex = index; } @Override protected void onDestroy() { super.onDestroy(); // try { unregisterReceiver(msgReceiver); } catch (Exception e) { } try { unregisterReceiver(ackMessageReceiver); } catch (Exception e) { } if (conflictBuilder != null) { conflictBuilder.create().dismiss(); conflictBuilder = null; } } /** * ? */ public void updateUnreadLabel() { int count = getUnreadMsgCountTotal(); if (count > 0) { unreadLabel.setText(String.valueOf(count)); unreadLabel.setVisibility(View.VISIBLE); } else { unreadLabel.setVisibility(View.INVISIBLE); } } /** * ? */ public void updateUnreadAddressLable() { runOnUiThread(new Runnable() { @Override public void run() { int count = getUnreadAddressCountTotal(); if (count > 0) { unreadAddressLable.setText(String.valueOf(count)); unreadAddressLable.setVisibility(View.VISIBLE); } else { unreadAddressLable.setVisibility(View.INVISIBLE); } } }); } /** * ?? * * @return */ public int getUnreadAddressCountTotal() { int unreadAddressCountTotal = 0; if (MyApplication.getInstance().getContactList().get(Constant.NEW_FRIENDS_USERNAME) != null) unreadAddressCountTotal = MyApplication.getInstance().getContactList() .get(Constant.NEW_FRIENDS_USERNAME).getUnreadMsgCount(); return unreadAddressCountTotal; } /** * ?? * * @return */ public int getUnreadMsgCountTotal() { int unreadMsgCountTotal = 0; unreadMsgCountTotal = EMChatManager.getInstance().getUnreadMsgsCount(); return unreadMsgCountTotal; } /** * ? * * */ private class NewMessageBroadcastReceiver extends BroadcastReceiver { @Override public void onReceive(Context context, Intent intent) { // ?id // String msgId = intent.getStringExtra("msgid"); // message?db?id?mesage // EMMessage message = // EMChatManager.getInstance().getMessage(msgId); // bottom bar? updateUnreadLabel(); if (currentTabIndex == 0) { // ?????? if (chatHistoryFragment != null) { chatHistoryFragment.refresh(); } } // ?ChatActivity abortBroadcast(); } } /** * ?BroadcastReceiver */ private final BroadcastReceiver ackMessageReceiver = new BroadcastReceiver() { @Override public void onReceive(Context context, Intent intent) { String msgid = intent.getStringExtra("msgid"); String from = intent.getStringExtra("from"); EMConversation conversation = EMChatManager.getInstance().getConversation(from); if (conversation != null) { // message EMMessage msg = conversation.getMessage(msgid); if (msg != null) { msg.isAcked = true; } } abortBroadcast(); } }; private InviteMessgeDao inviteMessgeDao; private UserDao userDao; /*** * ??listener * */ private class MyContactListener implements EMContactListener { @Override public void onContactAdded(List<String> usernameList) { // ?? Map<String, User> localUsers = MyApplication.getInstance().getContactList(); Map<String, User> toAddUsers = new HashMap<String, User>(); for (String username : usernameList) { User user = new User(); user.setUsername(username); String headerName = null; if (!TextUtils.isEmpty(user.getNick())) { headerName = user.getNick(); } else { headerName = user.getUsername(); } if (username.equals(Constant.NEW_FRIENDS_USERNAME)) { user.setHeader(""); } else if (Character.isDigit(headerName.charAt(0))) { user.setHeader("#"); } else { user.setHeader(HanziToPinyin.getInstance().get(headerName.substring(0, 1)).get(0).target .substring(0, 1).toUpperCase()); char header = user.getHeader().toLowerCase().charAt(0); if (header < 'a' || header > 'z') { user.setHeader("#"); } } // bug??added if (!localUsers.containsKey(username)) { userDao.saveContact(user); } toAddUsers.put(username, user); } localUsers.putAll(toAddUsers); // ui if (currentTabIndex == 1) contactListFragment.refresh(); } @Override public void onContactDeleted(List<String> usernameList) { // Map<String, User> localUsers = MyApplication.getInstance().getContactList(); for (String username : usernameList) { localUsers.remove(username); userDao.deleteContact(username); inviteMessgeDao.deleteMessage(username); } // ui if (currentTabIndex == 1) contactListFragment.refresh(); updateUnreadLabel(); } @Override public void onContactInvited(String username, String reason) { // ???(???)??????????? List<InviteMessage> msgs = inviteMessgeDao.getMessagesList(); for (InviteMessage inviteMessage : msgs) { if (inviteMessage.getGroupId() == null && inviteMessage.getFrom().equals(username)) { return; } } // ?javabean InviteMessage msg = new InviteMessage(); msg.setFrom(username); msg.setTime(System.currentTimeMillis()); msg.setReason(reason); Log.d(TAG, username + "?,reason: " + reason); // status msg.setStatus(InviteMesageStatus.BEINVITEED); notifyNewIviteMessage(msg); } @Override public void onContactAgreed(String username) { List<InviteMessage> msgs = inviteMessgeDao.getMessagesList(); for (InviteMessage inviteMessage : msgs) { if (inviteMessage.getFrom().equals(username)) { return; } } // ?javabean InviteMessage msg = new InviteMessage(); msg.setFrom(username); msg.setTime(System.currentTimeMillis()); Log.d(TAG, username + "???"); msg.setStatus(InviteMesageStatus.BEAGREED); notifyNewIviteMessage(msg); } @Override public void onContactRefused(String username) { // ???,demo } } /** * ???? * * @param msg */ private void notifyNewIviteMessage(InviteMessage msg) { saveInviteMsg(msg); // ??? EMNotifier.getInstance(getApplicationContext()).notifyOnNewMsg(); // bottom bar? updateUnreadAddressLable(); // ??ui if (currentTabIndex == 1) contactListFragment.refresh(); } /** * ?msg * * @param msg */ private void saveInviteMsg(InviteMessage msg) { // ?msg inviteMessgeDao.saveMessage(msg); // 1 User user = MyApplication.getInstance().getContactList().get(Constant.NEW_FRIENDS_USERNAME); user.setUnreadMsgCount(user.getUnreadMsgCount() + 1); } /** * ?listener * */ private class MyConnectionListener implements ConnectionListener { @Override public void onConnected() { chatHistoryFragment.errorItem.setVisibility(View.GONE); } @Override public void onDisConnected(String errorString) { if (errorString != null && errorString.contains("conflict")) { // ??dialog showConflictDialog(); } else { chatHistoryFragment.errorItem.setVisibility(View.VISIBLE); chatHistoryFragment.errorText.setText("???"); } } @Override public void onReConnected() { chatHistoryFragment.errorItem.setVisibility(View.GONE); } @Override public void onReConnecting() { } @Override public void onConnecting(String progress) { } } /** * MyGroupChangeListener */ private class MyGroupChangeListener implements GroupChangeListener { @Override public void onInvitationReceived(String groupId, String groupName, String inviter, String reason) { // EMMessage msg = EMMessage.createReceiveMessage(Type.TXT); msg.setChatType(ChatType.GroupChat); msg.setFrom(inviter); msg.setTo(groupId); msg.setMsgId(UUID.randomUUID().toString()); msg.addBody(new TextMessageBody(inviter + "?")); // ?? EMChatManager.getInstance().saveMessage(msg); // ??? EMNotifier.getInstance(getApplicationContext()).notifyOnNewMsg(); runOnUiThread(new Runnable() { @Override public void run() { updateUnreadLabel(); // ui if (currentTabIndex == 0) chatHistoryFragment.refresh(); if (CommonUtil.getTopActivity(ChatMainActivity.this).equals(GroupsActivity.class.getName())) { GroupsActivity.instance.onResume(); } } }); } @Override public void onInvitationAccpted(String groupId, String inviter, String reason) { } @Override public void onInvitationDeclined(String groupId, String invitee, String reason) { } @Override public void onUserRemoved(String groupId, String groupName) { // ??Tdemo? // ui runOnUiThread(new Runnable() { @Override public void run() { try { updateUnreadLabel(); if (currentTabIndex == 0) chatHistoryFragment.refresh(); if (CommonUtil.getTopActivity(ChatMainActivity.this) .equals(GroupsActivity.class.getName())) { GroupsActivity.instance.onResume(); } } catch (Exception e) { Log.e("###", "refresh exception " + e.getMessage()); } } }); } @Override public void onGroupDestroy(String groupId, String groupName) { // // ??,demo? // ui runOnUiThread(new Runnable() { @Override public void run() { updateUnreadLabel(); if (currentTabIndex == 0) chatHistoryFragment.refresh(); if (CommonUtil.getTopActivity(ChatMainActivity.this).equals(GroupsActivity.class.getName())) { GroupsActivity.instance.onResume(); } } }); } @Override public void onApplicationReceived(String groupId, String groupName, String applyer, String reason) { // ? InviteMessage msg = new InviteMessage(); msg.setFrom(applyer); msg.setTime(System.currentTimeMillis()); msg.setGroupId(groupId); msg.setGroupName(groupName); msg.setReason(reason); Log.d(TAG, applyer + " ?" + groupName); msg.setStatus(InviteMesageStatus.BEAPPLYED); notifyNewIviteMessage(msg); } @Override public void onApplicationAccept(String groupId, String groupName, String accepter) { // ?? EMMessage msg = EMMessage.createReceiveMessage(Type.TXT); msg.setChatType(ChatType.GroupChat); msg.setFrom(accepter); msg.setTo(groupId); msg.setMsgId(UUID.randomUUID().toString()); msg.addBody(new TextMessageBody(accepter + "???")); // ???? EMChatManager.getInstance().saveMessage(msg); // ??? EMNotifier.getInstance(getApplicationContext()).notifyOnNewMsg(); runOnUiThread(new Runnable() { @Override public void run() { updateUnreadLabel(); // ui if (currentTabIndex == 0) chatHistoryFragment.refresh(); if (CommonUtil.getTopActivity(ChatMainActivity.this).equals(GroupsActivity.class.getName())) { GroupsActivity.instance.onResume(); } } }); } @Override public void onApplicationDeclined(String groupId, String groupName, String decliner, String reason) { // ?demo } } @Override protected void onResume() { super.onResume(); if (!isConflict) { updateUnreadLabel(); updateUnreadAddressLable(); EMChatManager.getInstance().activityResumed(); } } private android.app.AlertDialog.Builder conflictBuilder; private boolean isConflictDialogShow; /** * ??dialog */ private void showConflictDialog() { isConflictDialogShow = true; MyApplication.getInstance().logout(); if (!ChatMainActivity.this.isFinishing()) { // clear up global variables try { if (conflictBuilder == null) conflictBuilder = new android.app.AlertDialog.Builder(ChatMainActivity.this); conflictBuilder.setTitle(""); conflictBuilder.setMessage(R.string.connect_conflict); conflictBuilder.setPositiveButton(R.string.ok, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { dialog.dismiss(); conflictBuilder = null; finish(); startActivity(new Intent(ChatMainActivity.this, LoginActivity.class)); } }); conflictBuilder.setCancelable(false); conflictBuilder.create().show(); isConflict = true; } catch (Exception e) { Log.e("###", "---------color conflictBuilder error" + e.getMessage()); } } } @Override protected void onNewIntent(Intent intent) { super.onNewIntent(intent); if (getIntent().getBooleanExtra("conflict", false) && !isConflictDialogShow) showConflictDialog(); } @Override public boolean onKeyDown(int keyCode, KeyEvent event) { if (keyCode == KeyEvent.KEYCODE_BACK) { finish(); overridePendingTransition(0, R.anim.chat_slide_out_to_right); } return super.onKeyDown(keyCode, event); } }