| /* |
| * 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.Phone; |
| |
| /** |
| * Abstract class that represents the location of the device. {@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) { |
| // TelephonyManager.getDefault().getCurrentPhoneType() handles the case when |
| // ITelephony interface is not up yet. |
| switch(TelephonyManager.getDefault().getCurrentPhoneType()) { |
| case Phone.PHONE_TYPE_CDMA: |
| return new CdmaCellLocation(bundle); |
| case Phone.PHONE_TYPE_GSM: |
| return new GsmCellLocation(bundle); |
| default: |
| return null; |
| } |
| } |
| |
| /** |
| * @hide |
| */ |
| public abstract void fillInNotifierBundle(Bundle bundle); |
| |
| /** |
| * @hide |
| */ |
| public abstract boolean isEmpty(); |
| |
| /** |
| * Return a new CellLocation object representing an unknown |
| * location, or null for unknown/none phone radio types. |
| * |
| */ |
| public static CellLocation getEmpty() { |
| // TelephonyManager.getDefault().getCurrentPhoneType() handles the case when |
| // ITelephony interface is not up yet. |
| switch(TelephonyManager.getDefault().getCurrentPhoneType()) { |
| case Phone.PHONE_TYPE_CDMA: |
| return new CdmaCellLocation(); |
| case Phone.PHONE_TYPE_GSM: |
| return new GsmCellLocation(); |
| default: |
| return null; |
| } |
| } |
| } |