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/*
* 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.telephony;
import android.os.Bundle;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.os.SystemProperties;
import android.provider.Settings;
import android.telephony.cdma.CdmaCellLocation;
import android.telephony.gsm.GsmCellLocation;
import com.android.internal.telephony.ITelephony;
import com.android.internal.telephony.RILConstants;
/**
* Abstract class that represents the location of the device. Currently the only
* subclass is {@link android.telephony.gsm.GsmCellLocation}. {@more}
*/
public abstract class CellLocation {
/**
* Request an update of the current location. If the location has changed,
* a broadcast will be sent to everyone registered with {@link
* PhoneStateListener#LISTEN_CELL_LOCATION}.
*/
public static void requestLocationUpdate() {
try {
ITelephony phone = ITelephony.Stub.asInterface(ServiceManager.getService("phone"));
if (phone != null) {
phone.updateServiceLocation();
}
} catch (RemoteException ex) {
// ignore it
}
}
/**
* Create a new CellLocation from a intent notifier Bundle
*
* This method is used by PhoneStateIntentReceiver and maybe by
* external applications.
*
* @param bundle Bundle from intent notifier
* @return newly created CellLocation
*
* @hide
*/
public static CellLocation newFromBundle(Bundle bundle) {
if (RILConstants.CDMA_PHONE ==
SystemProperties.getInt(Settings.System.CURRENT_ACTIVE_PHONE, 0)) {
return new CdmaCellLocation(bundle);
} else {
return new GsmCellLocation(bundle);
}
}
/**
* @hide
*/
public abstract void fillInNotifierBundle(Bundle bundle);
/**
* Return a new CellLocation object representing an unknown location.
*
*/
public static CellLocation getEmpty() {
if (RILConstants.CDMA_PHONE ==
SystemProperties.getInt(Settings.System.CURRENT_ACTIVE_PHONE, 0)) {
return new CdmaCellLocation();
} else {
return new GsmCellLocation();
}
}
}
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