Android fetch Contact

Android fetch Contact
public void fetchContacts() {

		String phoneNumber = null;
		String email = null;

		Uri CONTENT_URI = ContactsContract.Contacts.CONTENT_URI;
		String _ID = ContactsContract.Contacts._ID;
		String DISPLAY_NAME = ContactsContract.Contacts.DISPLAY_NAME;
		String HAS_PHONE_NUMBER = ContactsContract.Contacts.HAS_PHONE_NUMBER;

		Uri PhoneCONTENT_URI = ContactsContract.CommonDataKinds.Phone.CONTENT_URI;
		String Phone_CONTACT_ID = ContactsContract.CommonDataKinds.Phone.CONTACT_ID;
		String NUMBER = ContactsContract.CommonDataKinds.Phone.NUMBER;

		Uri EmailCONTENT_URI = ContactsContract.CommonDataKinds.Email.CONTENT_URI;
		String EmailCONTACT_ID = ContactsContract.CommonDataKinds.Email.CONTACT_ID;
		String DATA = ContactsContract.CommonDataKinds.Email.DATA;

		StringBuffer output = new StringBuffer();

		ContentResolver contentResolver = getContentResolver();

		Cursor cursor = contentResolver.query(CONTENT_URI, null, null, null,
				null);

		// Loop for every contact in the phone
		if (cursor.getCount() > 0) {

			while (cursor.moveToNext()) {

				String contact_id = cursor
						.getString(cursor.getColumnIndex(_ID));
				String name = cursor.getString(cursor
						.getColumnIndex(DISPLAY_NAME));

				int hasPhoneNumber = Integer.parseInt(cursor.getString(cursor
						.getColumnIndex(HAS_PHONE_NUMBER)));

				if (hasPhoneNumber > 0) {

					output.append("\n First Name:" + name);

					// Query and loop for every phone number of the contact
					Cursor phoneCursor = contentResolver.query(
							PhoneCONTENT_URI, null, Phone_CONTACT_ID + " = ?",
							new String[] { contact_id }, null);

					while (phoneCursor.moveToNext()) {
						phoneNumber = phoneCursor.getString(phoneCursor
								.getColumnIndex(NUMBER));
						output.append("\n Phone number:" + phoneNumber);

					}

					phoneCursor.close();

					// Query and loop for every email of the contact
					Cursor emailCursor = contentResolver.query(
							EmailCONTENT_URI, null, EmailCONTACT_ID + " = ?",
							new String[] { contact_id }, null);

					while (emailCursor.moveToNext()) {

						email = emailCursor.getString(emailCursor
								.getColumnIndex(DATA));

						output.append("\n Email:" + email);

					}

					emailCursor.close();
				}

				output.append("\n");
			}

			outputText.setText(output);
		}
	}