Updated JavaDoc for getEmailFromContactPicker()

    public abstract Intent contactPickerIntent();

    /**

     * Given a contact picker intent, returns the primary email address of that

     * contact.

     * Given a contact picker intent, returns a {@code ContactItem} instance for that contact.

     *

     * @param intent The {@link Intent} returned by this contact picker.

     * @return The primary email address of the picked contact.

     * @param intent

     *         The {@link Intent} returned by the contact picker.

     *

     * @return A {@link ContactItem} instance describing the picked contact. Or {@code null} if the

     *         contact doesn't have any email addresses.

     */

    public abstract ContactItem getEmailFromContactPicker(final Intent intent);