@Override
public View getView(final int position, View view, ViewGroup arg2) {
ViewHolder viewHolder = null;
final ContactSortModel item = (ContactSortModel) getItem(position);
if (view == null) {
viewHolder = new ViewHolder();
view = LayoutInflater.from(mContext).inflate(R.layout.contact_item, null);
viewHolder.tvTitle = (TextView) view.findViewById(R.id.title);
viewHolder.tvLetter = (TextView) view.findViewById(R.id.catalog);
view.setTag(viewHolder);
} else {
viewHolder = (ViewHolder) view.getTag();
}
// 根据position获取分类的首字母的Char ascii值
int section = getSectionForPosition(position);
// 如果当前位置等于该分类首字母的Char的位置 ，则认为是第一次出现
if ("添加好友".equals(item.getRoster().getAlias()) || "新朋友".equals(item.getRoster().getAlias())) {
viewHolder.tvLetter.setVisibility(View.GONE);
} else if (position == getPositionForSection(section)) {
viewHolder.tvLetter.setVisibility(View.VISIBLE);
viewHolder.tvLetter.setText(item.getSortLetters());
} else {
viewHolder.tvLetter.setVisibility(View.GONE);
}
viewHolder.tvTitle.setText(item.getRoster().getAlias());
ImageView image = (ImageView) view.findViewById(R.id.iv_icon); // 获得ImageView对象
viewHolder.tvImage = image;
if ("添加好友".equals(item.getRoster().getAlias())) {
viewHolder.tvImage.setBackgroundResource(R.drawable.contact_add_friends);
} else if ("新朋友".equals(item.getRoster().getAlias())) {
viewHolder.tvImage.setBackgroundResource(R.drawable.contact_new_friends);
} else {
viewHolder.tvImage.setBackgroundResource(R.drawable.default_mobile_avatar);
File file = new File("mnt/sdcard/Wanglai/Avatar/" + item.getRoster().getJid() + ".png");
if (file.exists()) {
Bitmap bitmap =
getLoacalBitmap(
"mnt/sdcard/Wanglai/Avatar/" + item.getRoster().getJid() + ".png"); // 从本地取图片vcard
// 设置Bitmap
image.setImageBitmap(bitmap);
// 设置Imageview
image.setAdjustViewBounds(true);
image.setMaxHeight(60);
image.setMaxWidth(60);
viewHolder.tvImage = image;
viewHolder.tvImage.setBackgroundResource(0);
}
}
return view;
}
private List<ContactSortModel> queryData(String groupname) {
// mSortList = new ArrayList<SortModel>();
if (mContactList == null) {
mContactList = new ArrayList<ContactSortModel>();
} else {
mContactList.clear();
}
List<Roster> rosters = getRosters(groupname);
if (mIsContact) {
ContactSortModel sm1 = new ContactSortModel();
Roster roster = new Roster();
roster.setAlias("添加好友");
sm1.setRoster(roster);
sm1.setSortLetters("@");
mContactList.add(sm1);
ContactSortModel sm2 = new ContactSortModel();
Roster roster2 = new Roster();
roster2.setAlias("新朋友");
sm2.setRoster(roster2);
sm2.setSortLetters("@");
mContactList.add(sm2);
}
for (int i = 0; i < rosters.size(); i++) {
ContactSortModel sortModel = new ContactSortModel();
sortModel.setRoster(rosters.get(i));
// 取roster的alias昵称，并将汉字转换成拼音
String pinyin = mCharacterParser.getSelling(rosters.get(i).getAlias());
String sortString = pinyin.substring(0, 1).toUpperCase();
// 正则表达式，判断首字母是否是英文字母
if (sortString.matches("[A-Z]")) {
sortModel.setSortLetters(sortString.toUpperCase());
} else {
sortModel.setSortLetters("#");
}
mContactList.add(sortModel);
}
return filterData(mFilterString, mContactList);
}
/**
* 根据输入框中的值来过滤数据并更新ListView
*
* @param filterStr
*/
private List<ContactSortModel> filterData(String filterStr, List<ContactSortModel> contactList) {
List<ContactSortModel> filterContactList = new ArrayList<ContactSortModel>();
if (TextUtils.isEmpty(filterStr)) {
filterContactList = contactList;
} else {
filterContactList.clear();
for (ContactSortModel sortModel : contactList) {
String alias = sortModel.getRoster().getAlias();
if (alias.indexOf(filterStr.toString()) != -1
|| mCharacterParser.getSelling(alias).startsWith(filterStr.toString())) {
filterContactList.add(sortModel);
}
}
}
// 根据a-z进行排序
Collections.sort(filterContactList, new PinyinComparator());
return filterContactList;
// this.updateListView(filterDateList);
}
