import io.rong.message.FileMessage; //导入依赖的package包/类
public SpannableStringBuilder getColoredChattingRecord(String filterStr, MessageContent messageContent) {
    SpannableStringBuilder messageText = new SpannableStringBuilder();
    if (messageContent instanceof TextMessage) {
        TextMessage textMessage = (TextMessage) messageContent;
        String textMessageContent = textMessage.getContent();
        messageText = getOmitColored(filterStr, textMessageContent, 0);
    }
    if (messageContent instanceof RichContentMessage) {
        RichContentMessage richContentMessage = (RichContentMessage) messageContent;
        String messageTitle = richContentMessage.getTitle();
        messageText = getOmitColored(filterStr, messageTitle, 1);
        if (messageText.length() == 0) {
            SpannableStringBuilder spannableStringBuilder = new SpannableStringBuilder("[链接] ");
            spannableStringBuilder.append(messageTitle);
            messageText = spannableStringBuilder;
        }
    }
    if (messageContent instanceof FileMessage) {
        FileMessage fileMessage = (FileMessage) messageContent;
        String fileName = fileMessage.getName();
        messageText = getOmitColored(filterStr, fileName, 2);
    }
    return messageText;
}
 

import io.rong.message.FileMessage; //导入依赖的package包/类
private void setOnClick(LQRViewHolderForRecyclerView helper, Message item, int position) {
    helper.getView(R.id.llError).setOnClickListener(v ->
            RongIMClient.getInstance().deleteMessages(new int[]{item.getMessageId()}, new RongIMClient.ResultCallback<Boolean>() {
                @Override
                public void onSuccess(Boolean aBoolean) {
                    mData.remove(position);
                    mPresenter.setAdapter();
                    MessageContent content = item.getContent();
                    if (content instanceof TextMessage) {
                        mPresenter.sendTextMsg(((TextMessage) content).getContent());
                    } else if (content instanceof ImageMessage) {
                        mPresenter.sendImgMsg(((ImageMessage) content).getThumUri(), ((ImageMessage) content).getLocalUri());
                    } else if (content instanceof FileMessage) {
                        mPresenter.sendFileMsg(new File(((FileMessage) content).getLocalPath().getPath()));
                    } else if (content instanceof VoiceMessage) {
                        VoiceMessage voiceMessage = (VoiceMessage) content;
                        mPresenter.sendAudioFile(voiceMessage.getUri(), voiceMessage.getDuration());
                    }
                }

                @Override
                public void onError(RongIMClient.ErrorCode errorCode) {

                }
            })
    );
    helper.getView(R.id.ivAvatar).setOnClickListener(v -> {
        UserInfo userInfo = DBManager.getInstance().getUserInfo(item.getSenderUserId());
        if (userInfo != null) {
            Intent intent = new Intent(mContext, UserInfoActivity.class);
            intent.putExtra("userInfo", userInfo);
            ((SessionActivity) mContext).jumpToActivity(intent);
        }
    });
}
 

import io.rong.message.FileMessage; //导入依赖的package包/类
@Override
public int getItemViewType(int position) {
    Message msg = mData.get(position);
    boolean isSend = msg.getMessageDirection() == Message.MessageDirection.SEND ? true : false;

    MessageContent msgContent = msg.getContent();
    if (msgContent instanceof TextMessage) {
        return isSend ? SEND_TEXT : RECEIVE_TEXT;
    }
    if (msgContent instanceof ImageMessage) {
        return isSend ? SEND_IMAGE : RECEIVE_IMAGE;
    }
    if (msgContent instanceof FileMessage) {
        FileMessage fileMessage = (FileMessage) msgContent;
        if (MediaFileUtils.isImageFileType(fileMessage.getName())) {
            return isSend ? SEND_STICKER : RECEIVE_STICKER;
        } else if (MediaFileUtils.isVideoFileType(fileMessage.getName())) {
            return isSend ? SEND_VIDEO : RECEIVE_VIDEO;
        }
    }
    if (msgContent instanceof LocationMessage) {
        return isSend ? SEND_LOCATION : RECEIVE_LOCATION;
    }
    if (msgContent instanceof GroupNotificationMessage) {
        return RECEIVE_NOTIFICATION;
    }
    if (msgContent instanceof VoiceMessage) {
        return isSend ? SEND_VOICE : RECEIVE_VOICE;
    }
    if (msgContent instanceof RedPacketMessage) {
        return isSend ? SEND_RED_PACKET : RECEIVE_RED_PACKET;
    }
    if (msgContent instanceof RecallNotificationMessage) {
        return RECALL_NOTIFICATION;
    }
    return UNDEFINE_MSG;
}