iOS集成融云SDK即时通讯整理

iOS
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iOS集成融云SDK即时通讯整理

最近很少写一下项目总结了，最近项目虽然做了很多，但是都是一些外包项目，做下来也没有什么值得总结的。最近一个项目用到了融云即时通讯，以前基本都是用环信，所以还遇到了一些问题，在此总结一下记录一下。

头像、昵称等用户信息(融云对这个问题有两种处理方式)

用户信息提供者

实现步骤(以下代码放在单例中，可以是AppDelegate，最好单独写一个单例)

首先遵守RCIMUserInfoDataSource这个协议

然后是要设置代理

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[[RCIM sharedRCIM] setUserInfoDataSource:self];

最后实现代理方法：

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- (void)getUserInfoWithUserId:(NSString *)userId completion:(void (^)(RCUserInfo *))completion {
    NSLog(@"getUserInfoWithUserId ----- %@", userId);
    RCUserInfo *user = [RCUserInfo new];
    if (userId == nil || [userId length] == 0) {
        user.userId = userId;
        user.portraitUri = @"";
        user.name = @"";
        completion(user);
        return;
    }
    
    if ([userId isEqualToString:[UserInfo shareInstance].uid]) {
        NSString *urlSelf = [BASIC_URL_image stringByAppendingString:[UserInfo shareInstance].photo];
        return completion([[RCUserInfo alloc] initWithUserId:userId name:[UserInfo shareInstance].nickname portrait:urlSelf]);
    }else {
    
  //根据存储联系人信息的模型，通过 userId 来取得对应的name和头像url，进行以下设置
    [WTBaseHttpRequst postRequstWithURL:getUserHttp params:@{@"uid":[UserInfo shareInstance].uid, @"api_token":[UserInfo shareInstance].api_token, @"k_uid":userId} successBlock:^(NSDictionary *returnData) {
        if ([returnData[@"status"] integerValue] == 1) {
            NSString *urlStr = [BASIC_URL_image stringByAppendingString:returnData[@"data"][@"user"][@"photo"]];
            return completion([[RCUserInfo alloc] initWithUserId:userId name:returnData[@"data"][@"user"][@"nickname"] portrait:urlStr]);
        }else {
            completion(user);
        }
    } failureBlock:^(NSString *error) {
        completion(user);
    } showHUD:NO];
}
}

这个方法不需要你自己手动调用，只是当你在修改用户信息时调用方法即可

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[[RCIM sharedRCIM] refreshUserInfoCache:user withUserId:[UserInfo shareInstance].uid]
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WS(weakSelf);
// 修改用户信息调用
[WTBaseHttpRequst postRequstWithURL:modifyInfoHttp params:dict successBlock:^(NSDictionary *returnData) {
    [weakSelf MBProgressHudShowWithTextOnlyWithText:returnData[@"msg"]];
    if ([returnData[@"status"] integerValue] == 1) {
        RCUserInfo *user = [RCUserInfo new];
        user.userId = [UserInfo shareInstance].uid;
        user.portraitUri = [BASIC_URL_image stringByAppendingString:[UserInfo shareInstance].photo];
        user.name = weakSelf.nickNameTextField.text;
        [[RCIM sharedRCIM] refreshUserInfoCache:user withUserId:[UserInfo shareInstance].uid];
        dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(1.5 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
            [self.navigationController popViewControllerAnimated:YES];
        });
    }
} failureBlock:^(NSString *error) {
    [weakSelf MBProgressHudShowWithTextOnlyWithText:error];
} showHUD:YES];

在扩展消息中携带用户信息

设置发送消息时在消息体中携带用户信息(从2.4.1 之后附加用户信息之后cell默认会显示附加的用户信息的头像，即用户信息不会取用户信息提供者里提供的用户信息)

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[RCIM sharedRCIM].enableMessageAttachUserInfo = YES; 
```  
  
**你设置了enableMessageAttachUserInfo之后，可以取到**

/**

  • 发送者信息
  • **/
    @property(nonatomic, strong) RCUserInfo *senderUserInfo; 
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    **当然我觉得还可以从后台获取好友关系后，我们在每次登陆后，开一个线程把好友关系请求下来存起来然后根据环信ID查找好友的昵称和头像**


    ### 给输入框添加提示语(这个我一直觉得环信应该给了方法修改，只是我一直没有找到这个方法，所以只有自己去写了)
      
    **创建提示的label**

    _lab = [[UILabel alloc] initWithFrame:self.chatSessionInputBarControl.inputTextView.bounds];
    _lab.text = @”请输入文字信息…”;
    _lab.textColor = [UIColor colorWithHexColor:@”dddddd”];
    _lab.font = [UIFont systemFontOfSize:15];
    _lab.center = CGPointMake(_lab.center.x + 15, _lab.center.y);
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    **判定是否有草稿来显示和隐藏提示的label**

    [self.chatSessionInputBarControl.inputTextView addSubview:_lab];
    if (self.chatSessionInputBarControl.draft == nil || self.chatSessionInputBarControl.draft.length == 0) {
    _lab.hidden = NO;
    }else {
    _lab.hidden = YES;
    }
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    **根据输入数据来判定显示隐藏提示label**

  • (void)inputTextView:(UITextView *)inputTextView shouldChangeTextInRange:(NSRange)range replacementText:(NSString *)text {
    if (((inputTextView.text.length == 1 && [text isEqualToString:@””]) || (inputTextView.text.length == 0 && text.length > 0)) && range.length == 1 && range.location == 0) {
    _lab.hidden = NO;
    }else {
    _lab.hidden = YES;
    }
    }
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    ### 取消输入@弹出好友列表界面，保留长按头像@方法

    **首先在AppDelegate中开启消息@功能（只支持群聊和讨论组, App需要实现群成员数据源groupMemberDataSource）**

    [RCIM sharedRCIM].enableMessageMentioned = YES;

然后在继承RCConversationViewController的控制器中调用
-(void)showChooseUserViewController:(void (^)(RCUserInfo *selectedUserInfo))selectedBlock
cancel:(void (^)())cancelBlock {
}

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### 在会话列表中添加一些固定的cell(继承RCConversationListViewController)

// 对自定义cell赋值

  • (RCConversationBaseCell *)rcConversationListTableView:(UITableView *)tableView
    cellForRowAtIndexPath:(NSIndexPath *)indexPath {
    RCCustomCell *cell = (RCCustomCell *)[[RCCustomCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:@”RCCustomCell”];
    RCConversationModel *model = self.conversationListDataSource[indexPath.row];
    cell.nameLabel.text = model.conversationTitle;
    return cell;
    }

// 添加自定义cell的数据源

  • (NSMutableArray *)willReloadTableData:(NSMutableArray *)dataSource{
    NSArray *arr = @[@”论坛回复和@我的”, @”陌生人私信”, @”幸存者部落@我的”, @”问卷调查”];
    for (int i = 0; i<arr.count; i++) {
    RCConversationModel *model = [[RCConversationModel alloc]init];
    model.conversationModelType = RC_CONVERSATION_MODEL_TYPE_CUSTOMIZATION;
    model.conversationTitle = arr[i];
    model.isTop = YES;
    [dataSource insertObject:model atIndex:i];
    }
    return dataSource;
    }

// 点击cell跳转

  • (void)onSelectedTableRow:(RCConversationModelType)conversationModelType
    conversationModel:(RCConversationModel *)model
    atIndexPath:(NSIndexPath *)indexPath{
    if (indexPath.row == 0) {
    WTForumAndConnectListViewController *chatList = (WTForumAndConnectListViewController *)[WTStoryBoardSegment instantiateViewControllerWithStoryBoardName:@”Main” identifier:@”WTForumAndConnectListViewController”];
    chatList.title = @”回复和@我的”;
    [self.navigationController pushViewController:chatList animated:YES];
    }else if (indexPath.row == 1) {
    WTChatListViewController *chatList = [[WTChatListViewController alloc] init];
    chatList.title = @”陌生人私信”;
    chatList.isEnteredToCollectionViewController = YES;
    chatList.type = 1;
    chatList.friendArray = self.friendArray;
    [self.navigationController pushViewController:chatList animated:YES];
    }else if (indexPath.row == 2) {
    WTChatListViewController *chatList = [[WTChatListViewController alloc] init];
    chatList.title = @”幸存者部落@我的”;
    chatList.isEnteredToCollectionViewController = YES;
    chatList.type = 2;
    [self.navigationController pushViewController:chatList animated:YES];
    }else if (indexPath.row == 3) {
    WTQuestionnaireViewController *questionnaire = (WTQuestionnaireViewController *)[WTStoryBoardSegment instantiateViewControllerWithStoryBoardName:@”Main” identifier:@”WTQuestionnaireViewController”];
    [self.navigationController pushViewController:questionnaire animated:YES];
    }else {
    //点击cell，拿到cell对应的model，然后从model中拿到对应的RCUserInfo，然后赋值会话属性，进入会话
    if (model.conversationType == ConversationType_PRIVATE) {//单聊
    WTMyConversationLisViewController *_conversationVC = [[WTMyConversationLisViewController alloc]init];
    _conversationVC.conversationType = model.conversationType;
    _conversationVC.targetId = model.targetId;
    _conversationVC.title = model.conversationTitle;
    [self.navigationController pushViewController:_conversationVC animated:YES];
    }else if (model.conversationType == ConversationType_GROUP){//群聊
    WTMyConversationLisViewController *_conversationVC = [[WTMyConversationLisViewController alloc]init];
    _conversationVC.conversationType = model.conversationType;
    _conversationVC.title = model.conversationTitle;
    _conversationVC.targetId = model.targetId;
    [self.navigationController pushViewController:_conversationVC animated:YES];
    }
    }
    }
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    ### 在任意地方获取聊天列表数量及删除列表

    **获取聊天列表**

    NSArray *privateArr = [[RCIMClient sharedRCIMClient] getConversationList:@[@(ConversationType_PRIVATE)]];
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    **在ConversationList添加对应类型的聊天就可以获取对应类型的聊天列表删除方法类似**

    [[RCIMClient sharedRCIMClient] clearConversations:@[@(ConversationType_PRIVATE)]];

### 背景图

> 融云聊天列表没有数据的默认图片下面有点击右上角加入聊天，可是不是所有的聊天都有这个功能(我的就没有)如何没有就可以在资源文件中找到 no\_message\_img 这张图片用ps去掉下面的那一行字

### 其它

> 以上就是我在使用融云过程中遇到的一些问题及解决方法，如果有错误或者不足之处还望指正，谢谢！
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