protected void onConversationInit() {
conversation =
EMClient.getInstance()
.chatManager()
.getConversation(toChatUsername, EaseCommonUtils.getConversationType(chatType), true);
conversation.markAllMessagesAsRead();
// the number of messages loaded into conversation is getChatOptions().getNumberOfMessagesLoaded
// you can change this number
final List<EMMessage> msgs = conversation.getAllMessages();
int msgCount = msgs != null ? msgs.size() : 0;
if (msgCount < conversation.getAllMsgCount() && msgCount < pagesize) {
String msgId = null;
if (msgs != null && msgs.size() > 0) {
msgId = msgs.get(0).getMsgId();
}
conversation.loadMoreMsgFromDB(msgId, pagesize - msgCount);
}
}
protected void onConversationInit() {
// 获取当前conversation对象
conversation =
EMClient.getInstance()
.chatManager()
.getConversation(toChatUsername, EaseCommonUtils.getConversationType(chatType), true);
// 把此会话的未读数置为0
conversation.markAllMessagesAsRead();
// 初始化db时，每个conversation加载数目是getChatOptions().getNumberOfMessagesLoaded
// 这个数目如果比用户期望进入会话界面时显示的个数不一样，就多加载一些
final List<EMMessage> msgs = conversation.getAllMessages();
int msgCount = msgs != null ? msgs.size() : 0;
if (msgCount < conversation.getAllMsgCount() && msgCount < pagesize) {
String msgId = null;
if (msgs != null && msgs.size() > 0) {
msgId = msgs.get(0).getMsgId();
}
conversation.loadMoreMsgFromDB(msgId, pagesize - msgCount);
}
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
if (convertView == null) {
convertView =
LayoutInflater.from(getContext()).inflate(R.layout.ease_row_chat_history, parent, false);
}
ViewHolder holder = (ViewHolder) convertView.getTag();
if (holder == null) {
holder = new ViewHolder();
holder.name = (TextView) convertView.findViewById(R.id.name);
holder.unreadLabel = (TextView) convertView.findViewById(R.id.unread_msg_number);
holder.message = (TextView) convertView.findViewById(R.id.message);
holder.time = (TextView) convertView.findViewById(R.id.time);
holder.avatar = (ImageView) convertView.findViewById(R.id.avatar);
holder.msgState = convertView.findViewById(R.id.msg_state);
holder.list_itease_layout =
(RelativeLayout) convertView.findViewById(R.id.list_itease_layout);
convertView.setTag(holder);
}
holder.list_itease_layout.setBackgroundResource(R.drawable.ease_mm_listitem);
// 获取与此用户/群组的会话
EMConversation conversation = getItem(position);
// 获取用户username或者群组groupid
String username = conversation.getUserName();
if (conversation.getType() == EMConversationType.GroupChat) {
// 群聊消息，显示群聊头像
holder.avatar.setImageResource(R.drawable.ease_group_icon);
EMGroup group = EMClient.getInstance().groupManager().getGroup(username);
holder.name.setText(group != null ? group.getGroupName() : username);
} else if (conversation.getType() == EMConversationType.ChatRoom) {
holder.avatar.setImageResource(R.drawable.ease_group_icon);
EMChatRoom room = EMClient.getInstance().chatroomManager().getChatRoom(username);
holder.name.setText(
room != null && !TextUtils.isEmpty(room.getName()) ? room.getName() : username);
} else {
EaseUserUtils.setUserAvatar(getContext(), username, holder.avatar);
EaseUserUtils.setUserNick(username, holder.name);
}
if (conversation.getUnreadMsgCount() > 0) {
// 显示与此用户的消息未读数
holder.unreadLabel.setText(String.valueOf(conversation.getUnreadMsgCount()));
holder.unreadLabel.setVisibility(View.VISIBLE);
} else {
holder.unreadLabel.setVisibility(View.INVISIBLE);
}
if (conversation.getAllMsgCount() != 0) {
// 把最后一条消息的内容作为item的message内容
EMMessage lastMessage = conversation.getLastMessage();
holder.message.setText(
EaseSmileUtils.getSmiledText(
getContext(), EaseCommonUtils.getMessageDigest(lastMessage, (this.getContext()))),
BufferType.SPANNABLE);
holder.time.setText(DateUtils.getTimestampString(new Date(lastMessage.getMsgTime())));
if (lastMessage.direct() == EMMessage.Direct.SEND
&& lastMessage.status() == EMMessage.Status.FAIL) {
holder.msgState.setVisibility(View.VISIBLE);
} else {
holder.msgState.setVisibility(View.GONE);
}
}
// 设置自定义属性
holder.name.setTextColor(primaryColor);
holder.message.setTextColor(secondaryColor);
holder.time.setTextColor(timeColor);
if (primarySize != 0) holder.name.setTextSize(TypedValue.COMPLEX_UNIT_PX, primarySize);
if (secondarySize != 0) holder.message.setTextSize(TypedValue.COMPLEX_UNIT_PX, secondarySize);
if (timeSize != 0) holder.time.setTextSize(TypedValue.COMPLEX_UNIT_PX, timeSize);
return convertView;
}