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* Copyright (C) 2011 Tim Marston <tim@ed.am>
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* This file is part of the Export Contacts program (hereafter referred
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* to as "this program"). For more information, see
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* http://ed.am/dev/android/export-contacts
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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package am.ed.exportcontacts;
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public interface Backend
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* Return the number of contacts that exist and that will be exported.
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* @return number of existing contacts
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public int getNumContacts();
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* Return the next contact.
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* @return a ContactData
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public boolean getNextContact( Exporter.ContactData contact );