Android Open Source - android-contacts-loader-demo Contact Fetcher

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License

The source code is released under:

Apache License

Java Source Code

package com.codepath.examples.contactloader;
// w  ww  .  j  a  v  a 2  s .c  o  m
import java.util.ArrayList;

import android.content.Context;
import android.database.Cursor;
import android.provider.ContactsContract;
import android.provider.ContactsContract.CommonDataKinds.Email;
import android.provider.ContactsContract.CommonDataKinds.Phone;
import android.provider.ContactsContract.RawContacts;
import android.support.v4.content.CursorLoader;

// new ContactFetcher(this).fetchAll();
public class ContactFetcher {
  private Context context;

  public ContactFetcher(Context c) {
    this.context = c;
  }

  public ArrayList<Contact> fetchAll() {
    ArrayList<Contact> listContacts = new ArrayList<Contact>();
    CursorLoader cursorLoader = new CursorLoader(context, RawContacts.CONTENT_URI, 
        null, // the columns to retrieve (all)
        null, // the selection criteria (none)
        null, // the selection args (none)
        null // the sort order (default)
    );

    Cursor c = cursorLoader.loadInBackground();
    if (c.moveToFirst()) {
      do {
        Contact contact = loadContactData(c);
        listContacts.add(contact);
      } while (c.moveToNext());
    }
    c.close();
    return listContacts;
  }

  private Contact loadContactData(Cursor c) {
    // Get Contact ID
    int idIndex = c.getColumnIndex(ContactsContract.Contacts._ID);
    String contactId = c.getString(idIndex);
    // Get Contact Name
    int nameIndex = c.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME);
    String contactDisplayName = c.getString(nameIndex);
    Contact contact = new Contact(contactId, contactDisplayName);
    fetchContactNumbers(c, contact);
    fetchContactEmails(c, contact);
    return contact;
  }

  public void fetchContactNumbers(Cursor cursor, Contact contact) {
    // Get numbers
    final String[] numberProjection = new String[] { Phone.NUMBER, Phone.TYPE, };
    
    Cursor phone = new CursorLoader(context, Phone.CONTENT_URI, numberProjection,
        Phone.CONTACT_ID +" = ?", new String[] { String.valueOf(contact.id) }, null)
        .loadInBackground();

    if (phone.moveToFirst()) {
      final int contactNumberColumnIndex = phone.getColumnIndex(Phone.NUMBER);
      final int contactTypeColumnIndex = phone.getColumnIndex(Phone.TYPE);

      while (!phone.isAfterLast()) {
        final String number = phone.getString(contactNumberColumnIndex);
        final int type = phone.getInt(contactTypeColumnIndex);
        String customLabel = "Custom";
        CharSequence phoneType = ContactsContract.CommonDataKinds.Phone.getTypeLabel(
            context.getResources(), type, customLabel);
        contact.addNumber(number, phoneType.toString());
        phone.moveToNext();
      }

    }
    phone.close();
  }

  public void fetchContactEmails(Cursor cursor, Contact contact) {
    // Get email
    final String[] emailProjection = new String[] { Email.DATA, Email.TYPE };

    Cursor email = new CursorLoader(context, Email.CONTENT_URI, emailProjection,
        Email.CONTACT_ID + "= ?", new String[] { String.valueOf(contact.id) }, null)
        .loadInBackground();

    if (email.moveToFirst()) {
      final int contactEmailColumnIndex = email.getColumnIndex(Email.DATA);
      final int contactTypeColumnIndex = email.getColumnIndex(Email.TYPE);

      while (!email.isAfterLast()) {
        final String address = email.getString(contactEmailColumnIndex);
        final int type = email.getInt(contactTypeColumnIndex);
        String customLabel = "Custom";
        CharSequence emailType = ContactsContract.CommonDataKinds.Email.getTypeLabel(
            context.getResources(), type, customLabel);
        contact.addEmail(address, emailType.toString());
        email.moveToNext();
      }

    }

    email.close();
  }
}

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