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 app.view.main; import android.content.*; 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.widget.Button; import android.widget.RelativeLayout; import android.widget.TextView; import android.widget.Toast; import app.DemoApplication; import app.view.chat.ChatActivity; import app.view.chat.ChatAllHistoryFragment; import app.view.chat.ContactListFragment; import app.view.chat.GroupsActivity; import app.view.circle.CircleFragment; import app.view.login.LoginActivity; import app.view.login.R; import app.view.play_list.PlayListFragment; import com.easemob.chat.*; import com.easemob.chat.EMMessage.ChatType; import com.easemob.chat.EMMessage.Type; import com.easemob.util.HanziToPinyin; import com.easemob.util.NetUtils; import easemob.Constant; import easemob.db.InviteMessageDao; import easemob.db.UserDao; import easemob.domain.InviteMessage; import easemob.domain.User; import utils.CommonUtils; import java.util.HashMap; import java.util.List; import java.util.Map; import java.util.UUID; public class MainActivity extends FragmentActivity { protected static final String TAG = "MainActivity"; // ?textview private TextView unreadMessageLabel; // textview private TextView unreadContactLabel; private Button[] mTabs; /** * Fragments */ private PlayListFragment playListFragment = null; private CircleFragment circleFragment = null; private ChatAllHistoryFragment chatHistoryFragment; private ContactListFragment contactListFragment; private Fragment[] fragments; private int index; private RelativeLayout[] tab_containers; // ?fragmentindex private int currentTabIndex; private NewMessageBroadcastReceiver msgReceiver; // ? private boolean isConflict = false; /** * ?BroadcastReceiver */ private 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(); } }; /** * ?BroadcastReceiver * sdk ????clientreceiverUI ??? * UI ???? */ private BroadcastReceiver offlineMessageReceiver = new BroadcastReceiver() { @Override public void onReceive(Context context, Intent intent) { String[] users = intent.getStringArrayExtra("fromuser"); String[] groups = intent.getStringArrayExtra("fromgroup"); if (users != null) { for (String user : users) { System.out.println("user?" + user); } } if (groups != null) { for (String group : groups) { System.out.println("group?" + group); } } abortBroadcast(); } }; private InviteMessageDao inviteMessageDao; private UserDao userDao; private android.app.AlertDialog.Builder conflictBuilder; private boolean isConflictDialogShow; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main_activity_layout); initView(); inviteMessageDao = new InviteMessageDao(this); userDao = new UserDao(this); //fragments playListFragment = new PlayListFragment(); circleFragment = new CircleFragment(); chatHistoryFragment = new ChatAllHistoryFragment();//? contactListFragment = new ContactListFragment();// fragments = new Fragment[] { playListFragment, circleFragment, chatHistoryFragment, contactListFragment }; // fragment getSupportFragmentManager().beginTransaction().add(R.id.fragment_container, playListFragment) .add(R.id.fragment_container, circleFragment).hide(circleFragment).show(playListFragment).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); // ?BroadcastReceiver IntentFilter offlineMessageIntentFilter = new IntentFilter( EMChatManager.getInstance().getOfflineMessageBroadcastAction()); registerReceiver(offlineMessageReceiver, offlineMessageIntentFilter); // setContactListener??? EMContactManager.getInstance().setContactListener(new MyContactListener()); // ??listener EMChatManager.getInstance().addConnectionListener(new MyConnectionListener()); // ?listener EMGroupManager.getInstance().addGroupChangeListener(new MyGroupChangeListener()); // sdkUI ??receiverlistener, ??broadcast EMChat.getInstance().setAppInited(); } /** * ? */ private void initView() { unreadMessageLabel = (TextView) findViewById(R.id.unread_message_number); unreadContactLabel = (TextView) findViewById(R.id.unread_friend_number); mTabs = new Button[4]; mTabs[0] = (Button) findViewById(R.id.tabbar_playlist); mTabs[1] = (Button) findViewById(R.id.tabbar_circles); mTabs[2] = (Button) findViewById(R.id.tabbar_message); mTabs[3] = (Button) findViewById(R.id.tabbar_friends); // tab? mTabs[0].setSelected(true); } /** * button * * @param view */ public void onTabClicked(View view) { switch (view.getId()) { case R.id.tabbar_playlist: index = 0; break; case R.id.tabbar_circles: index = 1; break; case R.id.tabbar_message: index = 2; break; case R.id.tabbar_friends: index = 3; break; } if (currentTabIndex != index) { FragmentTransaction transaction = getSupportFragmentManager().beginTransaction(); transaction.hide(fragments[currentTabIndex]); if (!fragments[index].isAdded()) { transaction.add(R.id.fragment_container, fragments[index]); } transaction.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) { } try { unregisterReceiver(offlineMessageReceiver); } catch (Exception e) { } if (conflictBuilder != null) { conflictBuilder.create().dismiss(); conflictBuilder = null; } } /** * ? */ public void updateUnreadLabel() { int count = getUnreadMsgCountTotal(); if (count > 0) { unreadMessageLabel.setText(String.valueOf(count)); unreadMessageLabel.setVisibility(View.VISIBLE); } else { unreadMessageLabel.setVisibility(View.INVISIBLE); } } /** * ? */ public void updateUnreadAddressLable() { runOnUiThread(new Runnable() { public void run() { int count = getUnreadAddressCountTotal(); if (count > 0) { unreadContactLabel.setText(String.valueOf(count)); unreadContactLabel.setVisibility(View.VISIBLE); } else { unreadContactLabel.setVisibility(View.INVISIBLE); } } }); } /** * ?? * * @return */ public int getUnreadAddressCountTotal() { int unreadAddressCountTotal = 0; if (DemoApplication.getInstance().getContactList().get(Constant.NEW_FRIENDS_USERNAME) != null) unreadAddressCountTotal = DemoApplication.getInstance().getContactList() .get(Constant.NEW_FRIENDS_USERNAME).getUnreadMsgCount(); return unreadAddressCountTotal; } /** * ?? * * @return */ public int getUnreadMsgCountTotal() { int unreadMsgCountTotal = 0; unreadMsgCountTotal = EMChatManager.getInstance().getUnreadMsgsCount(); return unreadMsgCountTotal; } /** * ???? * * @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 inviteMessageDao.saveMessage(msg); // 1 User user = DemoApplication.getInstance().getContactList().get(Constant.NEW_FRIENDS_USERNAME); user.setUnreadMsgCount(user.getUnreadMsgCount() + 1); } /** * set head * * @param username * @return */ User setUserHead(String username) { 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("#"); } } return user; } @Override protected void onResume() { super.onResume(); if (!isConflict) { updateUnreadLabel(); updateUnreadAddressLable(); EMChatManager.getInstance().activityResumed(); } } @Override public boolean onKeyDown(int keyCode, KeyEvent event) { if (keyCode == KeyEvent.KEYCODE_BACK) { moveTaskToBack(false); return true; } return super.onKeyDown(keyCode, event); } /** * ??dialog */ private void showConflictDialog() { isConflictDialogShow = true; DemoApplication.getInstance().logout(); if (!MainActivity.this.isFinishing()) { // clear up global variables try { if (conflictBuilder == null) conflictBuilder = new android.app.AlertDialog.Builder(MainActivity.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(MainActivity.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(); } /** * ? */ private class NewMessageBroadcastReceiver extends BroadcastReceiver { @Override public void onReceive(Context context, Intent intent) { //????????chat? // ?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(); } } /** * ??listener */ private class MyContactListener implements EMContactListener { @Override public void onContactAdded(List<String> usernameList) { // ?? Map<String, User> localUsers = DemoApplication.getInstance().getContactList(); Map<String, User> toAddUsers = new HashMap<String, User>(); for (String username : usernameList) { User user = setUserHead(username); // 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(final List<String> usernameList) { // Map<String, User> localUsers = DemoApplication.getInstance().getContactList(); for (String username : usernameList) { localUsers.remove(username); userDao.deleteContact(username); inviteMessageDao.deleteMessage(username); } runOnUiThread(new Runnable() { public void run() { //?? if (ChatActivity.activityInstance != null && usernameList.contains(ChatActivity.activityInstance.getToChatUsername())) { Toast.makeText(MainActivity.this, ChatActivity.activityInstance.getToChatUsername() + "?", Toast.LENGTH_LONG).show(); ChatActivity.activityInstance.finish(); } updateUnreadLabel(); } }); // ui if (currentTabIndex == 1) contactListFragment.refresh(); } @Override public void onContactInvited(String username, String reason) { // ???(???)??????????? List<InviteMessage> msgs = inviteMessageDao.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(InviteMessage.InviteMesageStatus.BEINVITEED); notifyNewIviteMessage(msg); } @Override public void onContactAgreed(String username) { List<InviteMessage> msgs = inviteMessageDao.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(InviteMessage.InviteMesageStatus.BEAGREED); notifyNewIviteMessage(msg); } @Override public void onContactRefused(String username) { //TODO ???,demo } } /** * ?listener */ private class MyConnectionListener implements ConnectionListener { @Override public void onConnected() { if (chatHistoryFragment.isAdded()) chatHistoryFragment.errorItem.setVisibility(View.GONE); } @Override public void onDisConnected(String errorString) { if (errorString != null && errorString.contains("conflict")) { // ??dialog showConflictDialog(); } else { if (chatHistoryFragment.isAdded()) { chatHistoryFragment.errorItem.setVisibility(View.VISIBLE); if (NetUtils.hasNetwork(MainActivity.this)) chatHistoryFragment.errorText.setText("???"); else chatHistoryFragment.errorText.setText("???"); } } } @Override public void onReConnected() { if (chatHistoryFragment.isAdded()) 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) { boolean hasGroup = false; for (EMGroup group : EMGroupManager.getInstance().getAllGroups()) { if (group.getGroupId().equals(groupId)) { hasGroup = true; break; } } if (!hasGroup) return; // 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() { public void run() { updateUnreadLabel(); // ui if (currentTabIndex == 2) chatHistoryFragment.refresh(); if (CommonUtils.getTopActivity(MainActivity.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() { public void run() { try { updateUnreadLabel(); if (currentTabIndex == 0) chatHistoryFragment.refresh(); if (CommonUtils.getTopActivity(MainActivity.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() { public void run() { updateUnreadLabel(); if (currentTabIndex == 0) chatHistoryFragment.refresh(); if (CommonUtils.getTopActivity(MainActivity.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(InviteMessage.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() { public void run() { updateUnreadLabel(); // ui if (currentTabIndex == 0) chatHistoryFragment.refresh(); if (CommonUtils.getTopActivity(MainActivity.this).equals(GroupsActivity.class.getName())) { GroupsActivity.instance.onResume(); } } }); } @Override public void onApplicationDeclined(String groupId, String groupName, String decliner, String reason) { //?demo } } }