Android get contact list : phone number, display name, email

Android get contact list : phone number, display name

ContentResolver cr = mActivity.getContentResolver();
Cursor cursor = cr.query(ContactsContract.Contacts.CONTENT_URI, null, null, null, null);

while (cursor.moveToNext()) {
            String displayName = "";
            String phoneNumber = "";
            displayName = cursor.getString(cursor.getColumnIndex(ContactsContract.CommonDataKinds.Phone.DISPLAY_NAME));
            String id = cursor.getString(cursor.getColumnIndex(BaseColumns._ID));

String id = cursor.getString(cursor.getColumnIndex(BaseColumns._ID));
            Cursor emails = cr.query(Email.CONTENT_URI, null, Email.CONTACT_ID + " = " + id, null, null);
            while (emails.moveToNext()) {
                emailAddress = emails.getString(emails.getColumnIndex(Email.DATA));
                break;
            }
            emails.close();
            if (Integer.parseInt(cursor.getString(cursor.getColumnIndex(ContactsContract.Contacts.HAS_PHONE_NUMBER))) > 0) {
                Cursor pCur = cr.query(ContactsContract.CommonDataKinds.Phone.CONTENT_URI, null, ContactsContract.CommonDataKinds.Phone.CONTACT_ID + " = ?", new String[]{id}, null);
                while (pCur.moveToNext()) {
                    phoneNumber = pCur.getString(pCur.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER));
                    phoneNumber = phoneNumber.replaceAll(" ", "");
                    break;
                }
                pCur.close();
            }