¿Cómo puedo recuperar los contactos utilizados recientemente en android?

Quiero la lista de contactos utilizados recientemente en mi aplicación.

Al igual que en la composición de un nuevo mensaje hay una lista de contactos utilizados recientemente, ¿cómo puedo acceder a esos contactos?

Prueba este código:

/* * Copyright (C) 2006 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package android.provider; import com.android.internal.telephony.CallerInfo; import com.android.internal.telephony.Connection; import android.content.ContentResolver; import android.content.ContentValues; import android.content.Context; import android.database.Cursor; import android.net.Uri; import android.text.TextUtils; /** * The CallLog provider contains information about placed and received calls. */ public class CallLog { public static final String AUTHORITY = "call_log"; /** * The content:// style URL for this provider */ public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY); /** * Contains the recent calls. */ public static class Calls implements BaseColumns { /** * The content:// style URL for this table */ public static final Uri CONTENT_URI = Uri.parse("content://call_log/calls"); /** * The content:// style URL for filtering this table on phone numbers */ public static final Uri CONTENT_FILTER_URI = Uri.parse("content://call_log/calls/filter"); /** * The default sort order for this table */ public static final String DEFAULT_SORT_ORDER = "date DESC"; /** * The MIME type of {@link #CONTENT_URI} and {@link #CONTENT_FILTER_URI} * providing a directory of calls. */ public static final String CONTENT_TYPE = "vnd.android.cursor.dir/calls"; /** * The MIME type of a {@link #CONTENT_URI} sub-directory of a single * call. */ public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/calls"; /** * The type of the call (incoming, outgoing or missed). * <P>Type: INTEGER (int) */ public static final String TYPE = "type"; public static final int INCOMING_TYPE = 1; public static final int OUTGOING_TYPE = 2; public static final int MISSED_TYPE = 3; /** * The phone number as the user entered it. * <P>Type: TEXT */ public static final String NUMBER = "number"; /** * The date the call occured, in milliseconds since the epoch * <P>Type: INTEGER (long) */ public static final String DATE = "date"; /** * The duration of the call in seconds * <P>Type: INTEGER (long) */ public static final String DURATION = "duration"; /** * Whether or not the call has been acknowledged * <P>Type: INTEGER (boolean) */ public static final String NEW = "new"; /** * The cached name associated with the phone number, if it exists. * This value is not guaranteed to be current, if the contact information * associated with this number has changed. * <P>Type: TEXT */ public static final String CACHED_NAME = "name"; /** * The cached number type (Home, Work, etc) associated with the * phone number, if it exists. * This value is not guaranteed to be current, if the contact information * associated with this number has changed. * <P>Type: INTEGER */ public static final String CACHED_NUMBER_TYPE = "numbertype"; /** * The cached number label, for a custom number type, associated with the * phone number, if it exists. * This value is not guaranteed to be current, if the contact information * associated with this number has changed. * <P>Type: TEXT */ public static final String CACHED_NUMBER_LABEL = "numberlabel"; /** * Adds a call to the call log. * * @param ci the CallerInfo object to get the target contact from. Can be null * if the contact is unknown. * @param context the context used to get the ContentResolver * @param number the phone number to be added to the calls db * @param presentation the number presenting rules set by the network for * "allowed", "payphone", "restricted" or "unknown" * @param callType enumerated values for "incoming", "outgoing", or "missed" * @param start time stamp for the call in milliseconds * @param duration call duration in seconds * * {@hide} */ public static Uri addCall(CallerInfo ci, Context context, String number, int presentation, int callType, long start, int duration) { final ContentResolver resolver = context.getContentResolver(); // If this is a private number then set the number to Private, otherwise check // if the number field is empty and set the number to Unavailable if (presentation == Connection.PRESENTATION_RESTRICTED) { number = CallerInfo.PRIVATE_NUMBER; if (ci != null) ci.name = ""; } else if (presentation == Connection.PRESENTATION_PAYPHONE) { number = CallerInfo.PAYPHONE_NUMBER; if (ci != null) ci.name = ""; } else if (TextUtils.isEmpty(number) || presentation == Connection.PRESENTATION_UNKNOWN) { number = CallerInfo.UNKNOWN_NUMBER; if (ci != null) ci.name = ""; } ContentValues values = new ContentValues(5); values.put(NUMBER, number); values.put(TYPE, Integer.valueOf(callType)); values.put(DATE, Long.valueOf(start)); values.put(DURATION, Long.valueOf(duration)); values.put(NEW, Integer.valueOf(1)); if (ci != null) { values.put(CACHED_NAME, ci.name); values.put(CACHED_NUMBER_TYPE, ci.numberType); values.put(CACHED_NUMBER_LABEL, ci.numberLabel); } if ((ci != null) && (ci.person_id > 0)) { ContactsContract.Contacts.markAsContacted(resolver, ci.person_id); } Uri result = resolver.insert(CONTENT_URI, values); removeExpiredEntries(context); return result; } /** * Query the call log database for the last dialed number. * @param context Used to get the content resolver. * @return The last phone number dialed (outgoing) or an empty * string if none exist yet. */ public static String getLastOutgoingCall(Context context) { final ContentResolver resolver = context.getContentResolver(); Cursor c = null; try { c = resolver.query( CONTENT_URI, new String[] {NUMBER}, TYPE + " = " + OUTGOING_TYPE, null, DEFAULT_SORT_ORDER + " LIMIT 1"); if (c == null || !c.moveToFirst()) { return ""; } return c.getString(0); } finally { if (c != null) c.close(); } } private static void removeExpiredEntries(Context context) { final ContentResolver resolver = context.getContentResolver(); resolver.delete(CONTENT_URI, "_id IN " + "(SELECT _id FROM calls ORDER BY " + DEFAULT_SORT_ORDER + " LIMIT -1 OFFSET 500)", null); } } } 
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