private ArrayList<Item> fetchGroups(){
ArrayList<Item> groupList = new ArrayList<Item>();
String[] projection = new String[]{ContactsContract.Groups._ID,ContactsContract.Groups.TITLE};
Cursor cursor = getContentResolver().query(ContactsContract.Groups.CONTENT_URI,
projection, null, null, null);
ArrayList<String> groupTitle = new ArrayList<String>();
while(cursor.moveToNext()){
Item item = new Item();
item.id = cursor.getString(cursor.getColumnIndex(ContactsContract.Groups._ID));
String groupName = cursor.getString(cursor.getColumnIndex(ContactsContract.Groups.TITLE));
if(groupName.contains("Group:"))
groupName = groupName.substring(groupName.indexOf("Group:")+"Group:".length()).trim();
if(groupName.contains("Favorite_"))
groupName = "Favorite";
if(groupName.contains("Starred in Android") || groupName.contains("My Contacts"))
continue;
if(groupTitle.contains(groupName)){
for(Item group:groupList){
if(group.name.equals(groupName)){
group.id += ","+item.id;
break;
}
}
}else{
groupTitle.add(groupName);
item.name = groupName;
groupList.add(item);
}
}
cursor.close();
Collections.sort(groupList,new Comparator<Item>() {
public int compare(Item item1, Item item2) {
return item2.name.compareTo(item1.name)<0
?0:-1;
}
});
return groupList;
}