关于环信即时通信的使用小结

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匿名网站用户   2020-12-19 23:22   11   0

因项目中涉及即时通讯的模块，老大跟我说用环信的，所以去熟悉了下后搬到项目中使用，环信文档地址点击打开链接

首先应该在AndroidManifest.xml文件中配置环信相关

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  1. <!--设置环信应用的appkey-->
  2. <meta-dataandroid:name="EASEMOB_APPKEY"android:value="easemob-demo#chatdemoui"/>
  3. <!--声明sdk所需的serviceSDK核心功能-->
  4. <serviceandroid:name="com.easemob.chat.EMChatService"/>
  5. <!--百度地图start-->
  6. <service
  7. android:name="com.baidu.location.f"
  8. android:enabled="true"
  9. android:process=":remote">
  10. <intent-filter>
  11. <actionandroid:name="com.baidu.location.service_v2.2">
  12. </action>
  13. </intent-filter>
  14. </service>

因为项目中只用到单聊的相关，所以只简单记录下重点的

先导入easemobchat_2.2.1.jar和libeasemob_jni.so、libeasemobservice.so库文件

使用前应该在application中初始化

// 初始化环信SDK,一定要先调用init()
EMChat.getInstance().init(context);

获取聊天列表时要加入实时监听并实现接口EMEventListener

EMChatManager.getInstance().addConnectionListener(connectionListener);
EMContactManager.getInstance().setContactListener(new MyContactListener());

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  1. /**
  2. *连接监听listener
  3. *
  4. */
  5. publicclassMyConnectionListenerimplementsEMConnectionListener{
  7. @Override
  8. publicvoidonConnected(){
  9. booleancontactSynced=HXSDKHelper.getInstance().isContactsSyncedWithServer();
  11. //incasegroupandcontactwerealreadysynced,wesupposedtonotifysdkwearereadytoreceivetheevents
  12. if(contactSynced){
  13. newThread(){
  14. @Override
  15. publicvoidrun(){
  16. HXSDKHelper.getInstance().notifyForRecevingEvents();
  17. }
  18. }.start();
  19. }else{
  21. if(!contactSynced){
  22. asyncFetchContactsFromServer();
  23. }
  25. if(!HXSDKHelper.getInstance().isBlackListSyncedWithServer()){
  26. asyncFetchBlackListFromServer();
  27. }
  28. }
  30. }
  32. @Override
  33. publicvoidonDisconnected(finalinterror){
  34. //finalStringst1=getResources().getString(R.string.can_not_connect_chat_server_connection);
  35. //finalStringst2=getResources().getString(R.string.the_current_network);
  36. runOnUiThread(newRunnable(){
  38. @Override
  39. publicvoidrun(){
  40. if(error==EMError.USER_REMOVED){
  41. //显示帐号已经被移除
  42. //showAccountRemovedDialog();
  43. }elseif(error==EMError.CONNECTION_CONFLICT){
  44. //显示帐号在其他设备登陆dialog
  45. //showConflictDialog();
  46. }else{
  47. //if(NetUtils.hasNetwork(MainActivity.this))
  48. //chatHistoryFragment.errorText.setText(st1);
  49. //else
  50. //chatHistoryFragment.errorText.setText(st2);
  52. }
  53. }
  55. });
  56. }
  57. }

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  1. privateInviteMessgeDaoinviteMessgeDao;
  2. privateUserDaouserDao;
  4. /***
  5. *好友变化listener
  6. *
  7. */
  8. publicclassMyContactListenerimplementsEMContactListener{
  10. @Override
  11. publicvoidonContactAdded(List<String>usernameList){
  12. //保存增加的联系人
  13. Map<String,User>localUsers=WuerbaApplication.getInstance().getContactList();
  14. Map<String,User>toAddUsers=newHashMap<String,User>();
  15. for(Stringusername:usernameList){
  16. Useruser=setUserHead(username);
  17. //添加好友时可能会回调added方法两次
  18. if(!localUsers.containsKey(username)){
  19. userDao.saveContact(user);
  20. }
  21. toAddUsers.put(username,user);
  22. }
  23. localUsers.putAll(toAddUsers);
  25. }
  27. @Override
  28. publicvoidonContactDeleted(finalList<String>usernameList){
  29. //被删除
  30. Map<String,User>localUsers=WuerbaApplication.getInstance().getContactList();
  31. for(Stringusername:usernameList){
  32. localUsers.remove(username);
  33. userDao.deleteContact(username);
  34. inviteMessgeDao.deleteMessage(username);
  35. }
  36. runOnUiThread(newRunnable(){
  37. publicvoidrun(){
  38. //如果正在与此用户的聊天页面
  39. Stringst10=getResources().getString(R.string.have_you_removed);
  40. if(ChatActivity.activityInstance!=null
  41. &&usernameList.contains(ChatActivity.activityInstance.getToChatUsername())){
  42. Toast.makeText(MainActivity.this,ChatActivity.activityInstance.getToChatUsername()+st10,1)
  43. .show();
  44. ChatActivity.activityInstance.finish();
  45. }
  46. updateUnreadLabel();
  47. //刷新ui
  48. mUserTabTwoFragment.refresh();
  49. }
  50. });
  52. }
  54. @Override
  55. publicvoidonContactInvited(Stringusername,Stringreason){
  57. //接到邀请的消息，如果不处理(同意或拒绝)，掉线后，服务器会自动再发过来，所以客户端不需要重复提醒
  58. List<InviteMessage>msgs=inviteMessgeDao.getMessagesList();
  60. for(InviteMessageinviteMessage:msgs){
  61. if(inviteMessage.getGroupId()==null&&inviteMessage.getFrom().equals(username)){
  62. inviteMessgeDao.deleteMessage(username);
  63. }
  64. }
  65. //自己封装的javabean
  66. InviteMessagemsg=newInviteMessage();
  67. msg.setFrom(username);
  68. msg.setTime(System.currentTimeMillis());
  69. msg.setReason(reason);
  70. Log.d("onContactInvited",username+"请求加你为好友,reason:"+reason);
  71. //设置相应status
  72. msg.setStatus(InviteMesageStatus.BEINVITEED);
  74. }
  76. @Override
  77. publicvoidonContactAgreed(Stringusername){
  78. List<InviteMessage>msgs=inviteMessgeDao.getMessagesList();
  79. for(InviteMessageinviteMessage:msgs){
  80. if(inviteMessage.getFrom().equals(username)){
  81. return;
  82. }
  83. }
  84. //自己封装的javabean
  85. InviteMessagemsg=newInviteMessage();
  86. msg.setFrom(username);
  87. msg.setTime(System.currentTimeMillis());
  88. Log.d("",username+"同意了你的好友请求");
  89. msg.setStatus(InviteMesageStatus.BEAGREED);
  91. }
  93. @Override
  94. publicvoidonContactRefused(Stringusername){
  96. //参考同意，被邀请实现此功能,demo未实现
  97. Log.d(username,username+"拒绝了你的好友请求");
  98. }
  100. }

在onresume中设置事件监听
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  1. @Override
  2. protectedvoidonResume(){
  3. super.onResume();
  4. if(!isConflict&&!isCurrentAccountRemoved){
  5. updateUnreadLabel();
  6. EMChatManager.getInstance().activityResumed();
  7. }
  9. //unregisterthiseventlistenerwhenthisactivityentersthe
  10. //background
  11. ChatHXSDKHelpersdkHelper=(ChatHXSDKHelper)ChatHXSDKHelper.getInstance();
  12. sdkHelper.pushActivity(this);
  14. //registertheeventlistenerwhenentertheforeground
  15. EMChatManager.getInstance().registerEventListener(this,
  16. newEMNotifierEvent.Event[]{EMNotifierEvent.Event.EventNewMessage,EMNotifierEvent.Event.EventOfflineMessage,EMNotifierEvent.Event.EventConversationListChanged});
  17. }

在ui被打断时保存

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  1. @Override
  2. protectedvoidonSaveInstanceState(BundleoutState){
  3. outState.putBoolean("isConflict",isConflict);
  4. outState.putBoolean(UIHelper.ACCOUNT_REMOVED,isCurrentAccountRemoved);
  5. super.onSaveInstanceState(outState);
  6. }


在ui销毁时设置注销监听

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  1. @Override
  2. protectedvoidonDestroy(){
  3. //TODOAuto-generatedmethodstub
  4. super.onDestroy();
  6. if(connectionListener!=null){
  7. EMChatManager.getInstance().removeConnectionListener(connectionListener);
  8. }
  9. }

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  1. @Override
  2. protectedvoidonStop(){
  3. EMChatManager.getInstance().unregisterEventListener(this);
  4. ChatHXSDKHelpersdkHelper=(ChatHXSDKHelper)ChatHXSDKHelper.getInstance();
  5. sdkHelper.popActivity(this);
  7. super.onStop();
  8. }

具体的聊天可参考环信的demo ，ps：直接拷贝她的聊天adapter到自己项目中进行修改最为简洁，否则容易漏掉某些地方而导致报错

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