get Contacts - Android Account

Description

get Contacts
Demo Code

/*/* w w w  . j a v  a2 s  . co  m*/
 *     PowerSwitch by Max Rosin & Markus Ressel
 *     Copyright (C) 2015  Markus Ressel
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
import android.content.ContentResolver;
import android.content.Context;
import android.database.Cursor;
import android.net.Uri;
import android.provider.ContactsContract;
import java.util.ArrayList;
import java.util.List;

public class Main{
    public static List<Contact> getContacts(Context context) {
        List<Contact> contacts = new ArrayList<>();

        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;

        ContentResolver contentResolver = context.getContentResolver();

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

        // Loop for every contact in the phone
        if (cursor != null && 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) {
                    List<String> phoneNumbers = new ArrayList<>();

                    // 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);
                    if (phoneCursor != null) {
                        while (phoneCursor.moveToNext()) {
                            String phoneNumber = phoneCursor
                                    .getString(phoneCursor
                                            .getColumnIndex(NUMBER));
                            phoneNumbers.add(phoneNumber);
                        }

                        phoneCursor.close();
                    }

                    contacts.add(new Contact(name, phoneNumbers));
                }
            }

            cursor.close();
        }

        return contacts;
    }
}
get Contacts - Android Account

Description

Demo Code

Related Tutorials
