名片分享.jpg

近来的需求需要对环信进行定制化，实现如图所示的名片分享功能。

环信聊天中的每一种消息类型都由一种对应的ChatRow来控制，相当于adapter里的Holder。

自定义GroupCardChatRow继承EaseChatRow，在 onBubbleClick()中重写消息的点击事件。

public class GroupCardChatRow extends EaseChatRow {

private TextView contentView;

private TextView tvGroupName;

private ImageView imgGroup;

private TextView tvIntroduce;

private TextView tvNember;

private String gid;

public GroupCardChatRow(Context context, EMMessage message, int position, BaseAdapter adapter) {

super(context, message, position, adapter);

}

//接收和发送名片消息的布局

@Override

protected void onInflateView() {

inflater.inflate(message.direct() == EMMessage.Direct.RECEIVE ?

R.layout.ease_row_received_group_card : R.layout.ease_row_sent_group_card, this);

}

@Override

protected void onFindViewById() {

contentView = (TextView) findViewById(R.id.tv_chatcontent);

tvGroupName = (TextView) findViewById(R.id.tv_group_name);

imgGroup = (ImageView) findViewById(R.id.img_group);

tvIntroduce = (TextView) findViewById(tv_introduce);

tvNember = (TextView) findViewById(R.id.tv_number);

}

@Override

public void onSetUpView() {

try {

Map map = new HashMap<>();

map = new Gson().fromJson(message.getStringAttribute(EaseConstant.EXTRA_GROUP_CARD), Map.class);

String name = map.get("name");

String description = map.get("description");

String pic = map.get("pic");

String memberCount = map.get("member_count");

gid = map.get("gid");

tvGroupName.setText(name);

ImageUtil.loadImageWithView(context, pic, imgGroup);

tvIntroduce.setText(description);

tvNember.setText("群成员人数：" + memberCount + "人");

} catch (HyphenateException e) {

e.printStackTrace();

}

handleTextMessage();

}

protected void handleTextMessage() {

if (message.direct() == EMMessage.Direct.SEND) {

setMessageSendCallback();

switch (message.status()) {

case CREATE:

progressBar.setVisibility(View.GONE);

statusView.setVisibility(View.VISIBLE);

break;

case SUCCESS:

progressBar.setVisibility(View.GONE);

statusView.setVisibility(View.GONE);

break;

case FAIL:

progressBar.setVisibility(View.GONE);

statusView.setVisibility(View.VISIBLE);

break;

case INPROGRESS:

progressBar.setVisibility(View.VISIBLE);

statusView.setVisibility(View.GONE);

break;

default:

break;

}

} else {

if (!message.isAcked() && message.getChatType() == ChatType.Chat) {

try {

EMClient.getInstance().chatManager().ackMessageRead(message.getFrom(), message.getMsgId());

} catch (HyphenateException e) {

e.printStackTrace();

}

}

}

}

@Override

protected void onUpdateView() {

adapter.notifyDataSetChanged();

}

@Override

protected void onBubbleClick() {

// TODO Auto-generated method stub

Intent intent = new Intent(context, GroupCardActivity.class);

intent.putExtra("gid", gid);

context.startActivity(intent);

}

}

环信中消息类型包括txt、音频、位置、文件、图片、视频类型，群名片也属于txt类型，我们通过message的拓展字段来区分消息类型是否为名片。

发送群名片消息的时候给message添加群名片拓展字段，发送正常txt消息时不添加拓展字段，在adapter中根据拓展字段是否为空来判断消息类型

protected void sendMessage(UserPageBean userPageBean) {

EMMessage message = EMMessage.createTxtSendMessage("群邀请", userPageBean.getIm_namelogin());

message.setAttribute(EaseConstant.EXTRA_GROUP_CARD, groupMessage);

EMClient.getInstance().chatManager().sendMessage(message);

}

在EaseMessageAdapter中新添加两种消息类型

MESSAGE_TYPE_SENT_GROUP_CARD 、 MESSAGE_TYPE_RECV_GROUP_CARD

修改 getItemViewType和createChatRow方法，在其中添加这两种消息类型

public class EaseMessageAdapter extends BaseAdapter {

private final static String TAG = "msg";

private Context context;

private static final int HANDLER_MESSAGE_REFRESH_LIST = 0;

private static final int HANDLER_MESSAGE_SELECT_LAST = 1;

private static final int HANDLER_MESSAGE_SEEK_TO = 2;

private static final int MESSAGE_TYPE_RECV_TXT = 0;

private static final int MESSAGE_TYPE_SENT_TXT = 1;

private static final int MESSAGE_TYPE_SENT_IMAGE = 2;

private static final int MESSAGE_TYPE_SENT_LOCATION = 3;

private static final int MESSAGE_TYPE_RECV_LOCATION = 4;

private static final int MESSAGE_TYPE_RECV_IMAGE = 5;

private static final int MESSAGE_TYPE_SENT_VOICE = 6;

private static final int MESSAGE_TYPE_RECV_VOICE = 7;

private static final int MESSAGE_TYPE_SENT_VIDEO = 8;

private static final int MESSAGE_TYPE_RECV_VIDEO = 9;

private static final int MESSAGE_TYPE_SENT_FILE = 10;

private static final int MESSAGE_TYPE_RECV_FILE = 11;

private static final int MESSAGE_TYPE_SENT_EXPRESSION = 12;

private static final int MESSAGE_TYPE_RECV_EXPRESSION = 13;

private static final int MESSAGE_TYPE_SENT_GROUP_CARD = 14;

private static final int MESSAGE_TYPE_RECV_GROUP_CARD = 15;

public int itemTypeCount;

// reference to conversation object in chatsdk

private EMConversation conversation;

EMMessage[] messages = null;

private String toChatUsername;

private boolean isTrueName;

private boolean isBidTureName;

private MessageListItemClickListener itemClickListener;

private EaseCustomChatRowProvider customRowProvider;

private boolean showUserNick;

private boolean showAvatar;

private Drawable myBubbleBg;

private Drawable otherBuddleBg;

private String orderId;

private String type;

private ListView listView;

private boolean isbidded;

private boolean isbiddedMessage;

public EaseMessageAdapter(Context context, String username, int chatType, ListView listView, boolean isTrueName, String orderId, boolean isBidTureName, String type, boolean isBidded) {

this.context = context;

this.listView = listView;

toChatUsername = username;

this.isTrueName = isTrueName;

this.orderId = orderId;

this.isBidTureName = isBidTureName;

this.type = type;

this.conversation = EMClient.getInstance().chatManager().getConversation(username, EaseCommonUtils.getConversationType(chatType), true);

this.isbidded = isBidded;

}

List msgs1;

Handler handler = new Handler() {

private void refreshList() {

// you should not call getAllMessages() in UI thread

// otherwise there is problem when refreshing UI and there is new message arrive

List msgs = conversation.getAllMessages();

List friendsMessageList = new ArrayList<>();

List orderUnBidMessageList = new ArrayList<>();

List orderBidMessageList = new ArrayList<>();

String msgId;

for (int i = 0; i < msgs.size(); i++) {

msgId = msgs.get(i).getMsgId();

String msgOrderId = null;

// try {

msgOrderId = (String) msgs.get(i).ext().get(EaseConstant.EXTRA_ORDER_ID);

isbiddedMessage = (boolean) msgs.get(i).ext().get(EaseConstant.EXTRA_IS_BIDDED);

// msgOrderId = msgs.get(i).getStringAttribute(EaseConstant.EXTRA_ORDER_ID);

// } catch (HyphenateException e) {

// e.printStackTrace();

// }

if (msgOrderId == null || msgOrderId.equals("")) {

friendsMessageList.add(msgId);

} else if (msgOrderId.equals(orderId)) {

if (isbidded){

if (isbiddedMessage){

orderBidMessageList.add(msgId);

}

}else {

if (!isbiddedMessage){

orderUnBidMessageList.add(msgId);

}

}

}

}

if (orderId == null) {

msgs1 = conversation.loadMessages(friendsMessageList);

} else {

if (isbidded){

msgs1 = conversation.loadMessages(orderBidMessageList);

}else {

msgs1 = conversation.loadMessages(orderUnBidMessageList);

}

}

messages = msgs1.toArray(new EMMessage[msgs1.size()]);

conversation.markAllMessagesAsRead();

notifyDataSetChanged();

}

@Override

public void handleMessage(android.os.Message message) {

switch (message.what) {

case HANDLER_MESSAGE_REFRESH_LIST:

refreshList();

break;

case HANDLER_MESSAGE_SELECT_LAST:

if (messages.length > 0) {

listView.setSelection(messages.length - 1);

}

break;

case HANDLER_MESSAGE_SEEK_TO:

int position = message.arg1;

listView.setSelection(position);

break;

default:

break;

}

}

};

public void refresh() {

if (handler.hasMessages(HANDLER_MESSAGE_REFRESH_LIST)) {

return;

}

android.os.Message msg = handler.obtainMessage(HANDLER_MESSAGE_REFRESH_LIST);

handler.sendMessage(msg);

}

/**

* refresh and select the last

*/

public void refreshSelectLast() {

final int TIME_DELAY_REFRESH_SELECT_LAST = 100;

handler.removeMessages(HANDLER_MESSAGE_REFRESH_LIST);

handler.removeMessages(HANDLER_MESSAGE_SELECT_LAST);

handler.sendEmptyMessageDelayed(HANDLER_MESSAGE_REFRESH_LIST, TIME_DELAY_REFRESH_SELECT_LAST);

handler.sendEmptyMessageDelayed(HANDLER_MESSAGE_SELECT_LAST, TIME_DELAY_REFRESH_SELECT_LAST);

}

/**

* refresh and seek to the position

*/

public void refreshSeekTo(int position) {

handler.sendMessage(handler.obtainMessage(HANDLER_MESSAGE_REFRESH_LIST));

android.os.Message msg = handler.obtainMessage(HANDLER_MESSAGE_SEEK_TO);

msg.arg1 = position;

handler.sendMessage(msg);

}

public EMMessage getItem(int position) {

if (messages != null && position < messages.length) {

return messages[position];

}

return null;

}

public long getItemId(int position) {

return position;

}

/**

* get count of messages

*/

public int getCount() {

return messages == null ? 0 : messages.length;

}

/**

* get number of message type, here 14 = (EMMessage.Type) * 2

*/

public int getViewTypeCount() {

if (customRowProvider != null && customRowProvider.getCustomChatRowTypeCount() > 0) {

return customRowProvider.getCustomChatRowTypeCount() + 16;

}

return 16;

}

/**

* get type of item

*/

public int getItemViewType(int position) {

EMMessage message = getItem(position);

if (message == null) {

return -1;

}

if (customRowProvider != null && customRowProvider.getCustomChatRowType(message) > 0) {

return customRowProvider.getCustomChatRowType(message) + 13;

}

if (message.getType() == EMMessage.Type.TXT) {

if (message.getBooleanAttribute(EaseConstant.MESSAGE_ATTR_IS_BIG_EXPRESSION, false)) {

return message.direct() == EMMessage.Direct.RECEIVE ? MESSAGE_TYPE_RECV_EXPRESSION : MESSAGE_TYPE_SENT_EXPRESSION;

}

try {

if (!TextUtils.isEmpty(message.getStringAttribute(EaseConstant.EXTRA_GROUP_CARD))){

return message.direct() == EMMessage.Direct.RECEIVE ? MESSAGE_TYPE_RECV_GROUP_CARD : MESSAGE_TYPE_SENT_GROUP_CARD;

}

} catch (HyphenateException e) {

e.printStackTrace();

}

return message.direct() == EMMessage.Direct.RECEIVE ? MESSAGE_TYPE_RECV_TXT : MESSAGE_TYPE_SENT_TXT;

}

if (message.getType() == EMMessage.Type.IMAGE) {

return message.direct() == EMMessage.Direct.RECEIVE ? MESSAGE_TYPE_RECV_IMAGE : MESSAGE_TYPE_SENT_IMAGE;

}

if (message.getType() == EMMessage.Type.LOCATION) {

return message.direct() == EMMessage.Direct.RECEIVE ? MESSAGE_TYPE_RECV_LOCATION : MESSAGE_TYPE_SENT_LOCATION;

}

if (message.getType() == EMMessage.Type.VOICE) {

return message.direct() == EMMessage.Direct.RECEIVE ? MESSAGE_TYPE_RECV_VOICE : MESSAGE_TYPE_SENT_VOICE;

}

if (message.getType() == EMMessage.Type.VIDEO) {

return message.direct() == EMMessage.Direct.RECEIVE ? MESSAGE_TYPE_RECV_VIDEO : MESSAGE_TYPE_SENT_VIDEO;

}

if (message.getType() == EMMessage.Type.FILE) {

return message.direct() == EMMessage.Direct.RECEIVE ? MESSAGE_TYPE_RECV_FILE : MESSAGE_TYPE_SENT_FILE;

}

return -1;// invalid

}

protected EaseChatRow createChatRow(Context context, EMMessage message, int position) {

EaseChatRow chatRow = null;

if (customRowProvider != null && customRowProvider.getCustomChatRow(message, position, this) != null) {

return customRowProvider.getCustomChatRow(message, position, this);

}

message.ext().put(EaseConstant.EXTRA_IS_TRUENAME, isTrueName);

switch (message.getType()) {

case TXT:

if (message.getBooleanAttribute(EaseConstant.MESSAGE_ATTR_IS_BIG_EXPRESSION, false)) {

chatRow = new EaseChatRowBigExpression(context, message, position, this);

} else {

try {

if (TextUtils.isEmpty(message.getStringAttribute(EaseConstant.EXTRA_GROUP_CARD))) {

chatRow = new EaseChatRowText(context, message, position, this);

}else {

chatRow = new GroupCardChatRow(context, message, position, this);

}

} catch (HyphenateException e) {

e.printStackTrace();

chatRow = new EaseChatRowText(context, message, position, this);

}

}

break;

case LOCATION:

chatRow = new EaseChatRowLocation(context, message, position, this);

break;

case FILE:

chatRow = new EaseChatRowFile(context, message, position, this);

break;

case IMAGE:

chatRow = new EaseChatRowImage(context, message, position, this);

break;

case VOICE:

chatRow = new EaseChatRowVoice(context, message, position, this);

break;

case VIDEO:

chatRow = new EaseChatRowVideo(context, message, position, this);

break;

default:

break;

}

return chatRow;

}

@SuppressLint("NewApi")

public View getView(final int position, View convertView, ViewGroup parent) {

EMMessage message = getItem(position);

if (convertView == null) {

convertView = createChatRow(context, message, position);

}

//refresh ui with messages

((EaseChatRow) convertView).setUpView(message, position, itemClickListener, isTrueName, isBidTureName, type);

return convertView;

}

public String getToChatUsername() {

return toChatUsername;

}

public void setShowUserNick(boolean showUserNick) {

this.showUserNick = showUserNick;

}

public void setShowAvatar(boolean showAvatar) {

this.showAvatar = showAvatar;

}

public void setMyBubbleBg(Drawable myBubbleBg) {

this.myBubbleBg = myBubbleBg;

}

public void setOtherBuddleBg(Drawable otherBuddleBg) {

this.otherBuddleBg = otherBuddleBg;

}

public void setItemClickListener(MessageListItemClickListener listener) {

itemClickListener = listener;

}

public void setCustomChatRowProvider(EaseCustomChatRowProvider rowProvider) {

customRowProvider = rowProvider;

}

public boolean isShowUserNick() {

return showUserNick;

}

public boolean isShowAvatar() {

return showAvatar;

}

public Drawable getMyBubbleBg() {

return myBubbleBg;

}

public Drawable getOtherBuddleBg() {

return otherBuddleBg;

}

}

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