how to remove duplicate contacts from arraylist

Question

I have created an app in which I am getting the contacts from a device. But I want to remove the duplicate contacts from the results.

How could I do it?

Answer 1

use below code list=removeDuplicates(list);

public List removeDuplicates(List list) {
    // Set set1 = new LinkedHashSet(list);
    Set set = new TreeSet(new Comparator() {

        @Override
        public int compare(Object o1, Object o2) {
            if (((ProfileBean) o1).getName().equalsIgnoreCase(((ProfileBean) o2).getName()) &&
                    ((ProfileBean)o1).getPhoneNumber().equalsIgnoreCase(((ProfileBean)o2).getPhoneNumber())) {
                return 0;
            }
            return 1;
        }
    });
    set.addAll(list);

    final List newList = new ArrayList(set);
    return newList;
}