@Override
protected synchronized FilterResults performFiltering(CharSequence prefix) {
FilterResults results = new FilterResults();
if (mOriginalList == null) {
mOriginalList = new ArrayList<User>();
}
EMLog.d(TAG, "contacts original size: " + mOriginalList.size());
EMLog.d(TAG, "contacts copy size: " + copyUserList.size());
if (prefix == null || prefix.length() == 0) {
results.values = copyUserList;
results.count = copyUserList.size();
} else {
String prefixString = prefix.toString();
final int count = mOriginalList.size();
final ArrayList<User> newValues = new ArrayList<User>();
for (int i = 0; i < count; i++) {
final User user = mOriginalList.get(i);
String username = user.getUsername();
if (username.startsWith(prefixString)) {
newValues.add(user);
} else {
final String[] words = username.split(" ");
final int wordCount = words.length;
// Start at index 0, in case valueText starts with space(s)
for (int k = 0; k < wordCount; k++) {
if (words[k].startsWith(prefixString)) {
newValues.add(user);
break;
}
}
}
}
results.values = newValues;
results.count = newValues.size();
}
EMLog.d(TAG, "contacts filter results size: " + results.count);
return results;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
ViewHolder holder;
if (convertView == null) {
holder = new ViewHolder();
convertView = layoutInflater.inflate(res, null);
holder.avatar = (ImageView) convertView.findViewById(R.id.avatar);
holder.unreadMsgView = (TextView) convertView.findViewById(R.id.unread_msg_number);
holder.nameTextview = (TextView) convertView.findViewById(R.id.name);
holder.tvHeader = (TextView) convertView.findViewById(R.id.header);
convertView.setTag(holder);
} else {
holder = (ViewHolder) convertView.getTag();
}
User user = getItem(position);
if (user == null) Log.d("ContactAdapter", position + "");
// 设置nick，demo里不涉及到完整user，用username代替nick显示
String username = user.getUsername();
String header = user.getHeader();
if (position == 0 || header != null && !header.equals(getItem(position - 1).getHeader())) {
if (TextUtils.isEmpty(header)) {
holder.tvHeader.setVisibility(View.GONE);
} else {
holder.tvHeader.setVisibility(View.VISIBLE);
holder.tvHeader.setText(header);
}
} else {
holder.tvHeader.setVisibility(View.GONE);
}
// 显示申请与通知item
if (username.equals(Constant.NEW_FRIENDS_USERNAME)) {
holder.nameTextview.setText(user.getNick());
holder.avatar.setImageResource(R.drawable.new_friends_icon);
if (user.getUnreadMsgCount() > 0) {
holder.unreadMsgView.setVisibility(View.VISIBLE);
// holder.unreadMsgView.setText(user.getUnreadMsgCount()+"");
} else {
holder.unreadMsgView.setVisibility(View.INVISIBLE);
}
} else if (username.equals(Constant.GROUP_USERNAME)) {
// 群聊item
holder.nameTextview.setText(user.getNick());
holder.avatar.setImageResource(R.drawable.groups_icon);
} else if (username.equals(Constant.CHAT_ROOM)) {
// 群聊item
holder.nameTextview.setText(user.getNick());
holder.avatar.setImageResource(R.drawable.groups_icon);
} else if (username.equals(Constant.CHAT_ROBOT)) {
// Robot item
holder.nameTextview.setText(user.getNick());
holder.avatar.setImageResource(R.drawable.groups_icon);
} else {
holder.nameTextview.setText(username);
// 设置用户头像
UserUtils.setUserAvatar(getContext(), username, holder.avatar);
if (holder.unreadMsgView != null) holder.unreadMsgView.setVisibility(View.INVISIBLE);
}
return convertView;
}