| /* |
| * Copyright (C) 2008 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 com.android.server.location; |
| |
| import com.android.internal.app.IAppOpsService; |
| import com.android.internal.app.IBatteryStats; |
| import com.android.internal.location.GpsNetInitiatedHandler; |
| import com.android.internal.location.GpsNetInitiatedHandler.GpsNiNotification; |
| import com.android.internal.location.ProviderProperties; |
| import com.android.internal.location.ProviderRequest; |
| |
| import android.app.AlarmManager; |
| import android.app.AppOpsManager; |
| import android.app.PendingIntent; |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.database.Cursor; |
| import android.hardware.location.GeofenceHardware; |
| import android.hardware.location.GeofenceHardwareImpl; |
| import android.location.Criteria; |
| import android.location.FusedBatchOptions; |
| import android.location.GnssStatus; |
| import android.location.IGnssStatusListener; |
| import android.location.IGnssStatusProvider; |
| import android.location.GnssMeasurementsEvent; |
| import android.location.GnssNavigationMessage; |
| import android.location.IGpsGeofenceHardware; |
| import android.location.ILocationManager; |
| import android.location.INetInitiatedListener; |
| import android.location.Location; |
| import android.location.LocationListener; |
| import android.location.LocationManager; |
| import android.location.LocationProvider; |
| import android.location.LocationRequest; |
| import android.net.ConnectivityManager; |
| import android.net.Network; |
| import android.net.NetworkCapabilities; |
| import android.net.NetworkInfo; |
| import android.net.NetworkRequest; |
| import android.net.Uri; |
| import android.os.AsyncTask; |
| import android.os.BatteryStats; |
| import android.os.Binder; |
| import android.os.Bundle; |
| import android.os.Handler; |
| import android.os.Looper; |
| import android.os.Message; |
| import android.os.PowerManager; |
| import android.os.RemoteException; |
| import android.os.ServiceManager; |
| import android.os.SystemClock; |
| import android.os.SystemProperties; |
| import android.os.UserHandle; |
| import android.os.WorkSource; |
| import android.provider.Settings; |
| import android.provider.Telephony.Carriers; |
| import android.provider.Telephony.Sms.Intents; |
| import android.telephony.SmsMessage; |
| import android.telephony.SubscriptionManager; |
| import android.telephony.SubscriptionManager.OnSubscriptionsChangedListener; |
| import android.telephony.TelephonyManager; |
| import android.telephony.gsm.GsmCellLocation; |
| import android.text.TextUtils; |
| import android.util.Log; |
| import android.util.NtpTrustedTime; |
| |
| import java.io.ByteArrayOutputStream; |
| import java.io.File; |
| import java.io.FileDescriptor; |
| import java.io.FileInputStream; |
| import java.io.IOException; |
| import java.io.PrintWriter; |
| import java.io.StringReader; |
| import java.net.InetAddress; |
| import java.net.UnknownHostException; |
| import java.util.Arrays; |
| import java.util.Date; |
| import java.util.Map.Entry; |
| import java.util.Properties; |
| |
| import libcore.io.IoUtils; |
| |
| /** |
| * A GPS implementation of LocationProvider used by LocationManager. |
| * |
| * {@hide} |
| */ |
| public class GnssLocationProvider implements LocationProviderInterface { |
| |
| private static final String TAG = "GnssLocationProvider"; |
| |
| private static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG); |
| private static final boolean VERBOSE = Log.isLoggable(TAG, Log.VERBOSE); |
| |
| private static final ProviderProperties PROPERTIES = new ProviderProperties( |
| true, true, false, false, true, true, true, |
| Criteria.POWER_HIGH, Criteria.ACCURACY_FINE); |
| |
| // these need to match GpsPositionMode enum in gps.h |
| private static final int GPS_POSITION_MODE_STANDALONE = 0; |
| private static final int GPS_POSITION_MODE_MS_BASED = 1; |
| private static final int GPS_POSITION_MODE_MS_ASSISTED = 2; |
| |
| // these need to match GpsPositionRecurrence enum in gps.h |
| private static final int GPS_POSITION_RECURRENCE_PERIODIC = 0; |
| private static final int GPS_POSITION_RECURRENCE_SINGLE = 1; |
| |
| // these need to match GpsStatusValue defines in gps.h |
| private static final int GPS_STATUS_NONE = 0; |
| private static final int GPS_STATUS_SESSION_BEGIN = 1; |
| private static final int GPS_STATUS_SESSION_END = 2; |
| private static final int GPS_STATUS_ENGINE_ON = 3; |
| private static final int GPS_STATUS_ENGINE_OFF = 4; |
| |
| // these need to match GpsApgsStatusValue defines in gps.h |
| /** AGPS status event values. */ |
| private static final int GPS_REQUEST_AGPS_DATA_CONN = 1; |
| private static final int GPS_RELEASE_AGPS_DATA_CONN = 2; |
| private static final int GPS_AGPS_DATA_CONNECTED = 3; |
| private static final int GPS_AGPS_DATA_CONN_DONE = 4; |
| private static final int GPS_AGPS_DATA_CONN_FAILED = 5; |
| |
| // these need to match GpsLocationFlags enum in gps.h |
| private static final int LOCATION_INVALID = 0; |
| private static final int LOCATION_HAS_LAT_LONG = 1; |
| private static final int LOCATION_HAS_ALTITUDE = 2; |
| private static final int LOCATION_HAS_SPEED = 4; |
| private static final int LOCATION_HAS_BEARING = 8; |
| private static final int LOCATION_HAS_ACCURACY = 16; |
| |
| // IMPORTANT - the GPS_DELETE_* symbols here must match constants in gps.h |
| private static final int GPS_DELETE_EPHEMERIS = 0x0001; |
| private static final int GPS_DELETE_ALMANAC = 0x0002; |
| private static final int GPS_DELETE_POSITION = 0x0004; |
| private static final int GPS_DELETE_TIME = 0x0008; |
| private static final int GPS_DELETE_IONO = 0x0010; |
| private static final int GPS_DELETE_UTC = 0x0020; |
| private static final int GPS_DELETE_HEALTH = 0x0040; |
| private static final int GPS_DELETE_SVDIR = 0x0080; |
| private static final int GPS_DELETE_SVSTEER = 0x0100; |
| private static final int GPS_DELETE_SADATA = 0x0200; |
| private static final int GPS_DELETE_RTI = 0x0400; |
| private static final int GPS_DELETE_CELLDB_INFO = 0x8000; |
| private static final int GPS_DELETE_ALL = 0xFFFF; |
| |
| // The GPS_CAPABILITY_* flags must match the values in gps.h |
| private static final int GPS_CAPABILITY_SCHEDULING = 0x0000001; |
| private static final int GPS_CAPABILITY_MSB = 0x0000002; |
| private static final int GPS_CAPABILITY_MSA = 0x0000004; |
| private static final int GPS_CAPABILITY_SINGLE_SHOT = 0x0000008; |
| private static final int GPS_CAPABILITY_ON_DEMAND_TIME = 0x0000010; |
| private static final int GPS_CAPABILITY_GEOFENCING = 0x0000020; |
| private static final int GPS_CAPABILITY_MEASUREMENTS = 0x0000040; |
| private static final int GPS_CAPABILITY_NAV_MESSAGES = 0x0000080; |
| |
| // The AGPS SUPL mode |
| private static final int AGPS_SUPL_MODE_MSA = 0x02; |
| private static final int AGPS_SUPL_MODE_MSB = 0x01; |
| |
| // these need to match AGpsType enum in gps.h |
| private static final int AGPS_TYPE_SUPL = 1; |
| private static final int AGPS_TYPE_C2K = 2; |
| |
| // these must match the definitions in gps.h |
| private static final int APN_INVALID = 0; |
| private static final int APN_IPV4 = 1; |
| private static final int APN_IPV6 = 2; |
| private static final int APN_IPV4V6 = 3; |
| |
| // for mAGpsDataConnectionState |
| private static final int AGPS_DATA_CONNECTION_CLOSED = 0; |
| private static final int AGPS_DATA_CONNECTION_OPENING = 1; |
| private static final int AGPS_DATA_CONNECTION_OPEN = 2; |
| |
| // Handler messages |
| private static final int CHECK_LOCATION = 1; |
| private static final int ENABLE = 2; |
| private static final int SET_REQUEST = 3; |
| private static final int UPDATE_NETWORK_STATE = 4; |
| private static final int INJECT_NTP_TIME = 5; |
| private static final int DOWNLOAD_XTRA_DATA = 6; |
| private static final int UPDATE_LOCATION = 7; |
| private static final int ADD_LISTENER = 8; |
| private static final int REMOVE_LISTENER = 9; |
| private static final int INJECT_NTP_TIME_FINISHED = 10; |
| private static final int DOWNLOAD_XTRA_DATA_FINISHED = 11; |
| private static final int SUBSCRIPTION_OR_SIM_CHANGED = 12; |
| private static final int INITIALIZE_HANDLER = 13; |
| private static final int REQUEST_SUPL_CONNECTION = 14; |
| private static final int RELEASE_SUPL_CONNECTION = 15; |
| |
| // Request setid |
| private static final int AGPS_RIL_REQUEST_SETID_IMSI = 1; |
| private static final int AGPS_RIL_REQUEST_SETID_MSISDN = 2; |
| |
| // Request ref location |
| private static final int AGPS_RIL_REQUEST_REFLOC_CELLID = 1; |
| private static final int AGPS_RIL_REQUEST_REFLOC_MAC = 2; |
| |
| // ref. location info |
| private static final int AGPS_REF_LOCATION_TYPE_GSM_CELLID = 1; |
| private static final int AGPS_REF_LOCATION_TYPE_UMTS_CELLID = 2; |
| private static final int AGPS_REG_LOCATION_TYPE_MAC = 3; |
| |
| // set id info |
| private static final int AGPS_SETID_TYPE_NONE = 0; |
| private static final int AGPS_SETID_TYPE_IMSI = 1; |
| private static final int AGPS_SETID_TYPE_MSISDN = 2; |
| |
| private static final String PROPERTIES_FILE_PREFIX = "/etc/gps"; |
| private static final String PROPERTIES_FILE_SUFFIX = ".conf"; |
| private static final String DEFAULT_PROPERTIES_FILE = PROPERTIES_FILE_PREFIX + PROPERTIES_FILE_SUFFIX; |
| |
| private static final int GPS_GEOFENCE_UNAVAILABLE = 1<<0L; |
| private static final int GPS_GEOFENCE_AVAILABLE = 1<<1L; |
| |
| // GPS Geofence errors. Should match gps.h constants. |
| private static final int GPS_GEOFENCE_OPERATION_SUCCESS = 0; |
| private static final int GPS_GEOFENCE_ERROR_TOO_MANY_GEOFENCES = 100; |
| private static final int GPS_GEOFENCE_ERROR_ID_EXISTS = -101; |
| private static final int GPS_GEOFENCE_ERROR_ID_UNKNOWN = -102; |
| private static final int GPS_GEOFENCE_ERROR_INVALID_TRANSITION = -103; |
| private static final int GPS_GEOFENCE_ERROR_GENERIC = -149; |
| |
| // TCP/IP constants. |
| // Valid TCP/UDP port range is (0, 65535]. |
| private static final int TCP_MIN_PORT = 0; |
| private static final int TCP_MAX_PORT = 0xffff; |
| |
| // Value of batterySaverGpsMode such that GPS isn't affected by battery saver mode. |
| private static final int BATTERY_SAVER_MODE_NO_CHANGE = 0; |
| // Value of batterySaverGpsMode such that GPS is disabled when battery saver mode |
| // is enabled and the screen is off. |
| private static final int BATTERY_SAVER_MODE_DISABLED_WHEN_SCREEN_OFF = 1; |
| // Secure setting for GPS behavior when battery saver mode is on. |
| private static final String BATTERY_SAVER_GPS_MODE = "batterySaverGpsMode"; |
| |
| /** simpler wrapper for ProviderRequest + Worksource */ |
| private static class GpsRequest { |
| public ProviderRequest request; |
| public WorkSource source; |
| public GpsRequest(ProviderRequest request, WorkSource source) { |
| this.request = request; |
| this.source = source; |
| } |
| } |
| |
| private Object mLock = new Object(); |
| |
| private int mLocationFlags = LOCATION_INVALID; |
| |
| // current status |
| private int mStatus = LocationProvider.TEMPORARILY_UNAVAILABLE; |
| |
| // time for last status update |
| private long mStatusUpdateTime = SystemClock.elapsedRealtime(); |
| |
| // turn off GPS fix icon if we haven't received a fix in 10 seconds |
| private static final long RECENT_FIX_TIMEOUT = 10 * 1000; |
| |
| // stop trying if we do not receive a fix within 60 seconds |
| private static final int NO_FIX_TIMEOUT = 60 * 1000; |
| |
| // if the fix interval is below this we leave GPS on, |
| // if above then we cycle the GPS driver. |
| // Typical hot TTTF is ~5 seconds, so 10 seconds seems sane. |
| private static final int GPS_POLLING_THRESHOLD_INTERVAL = 10 * 1000; |
| |
| // how often to request NTP time, in milliseconds |
| // current setting 24 hours |
| private static final long NTP_INTERVAL = 24*60*60*1000; |
| // how long to wait if we have a network error in NTP or XTRA downloading |
| // the initial value of the exponential backoff |
| // current setting - 5 minutes |
| private static final long RETRY_INTERVAL = 5*60*1000; |
| // how long to wait if we have a network error in NTP or XTRA downloading |
| // the max value of the exponential backoff |
| // current setting - 4 hours |
| private static final long MAX_RETRY_INTERVAL = 4*60*60*1000; |
| |
| private BackOff mNtpBackOff = new BackOff(RETRY_INTERVAL, MAX_RETRY_INTERVAL); |
| private BackOff mXtraBackOff = new BackOff(RETRY_INTERVAL, MAX_RETRY_INTERVAL); |
| |
| // true if we are enabled, protected by this |
| private boolean mEnabled; |
| |
| // states for injecting ntp and downloading xtra data |
| private static final int STATE_PENDING_NETWORK = 0; |
| private static final int STATE_DOWNLOADING = 1; |
| private static final int STATE_IDLE = 2; |
| |
| // flags to trigger NTP or XTRA data download when network becomes available |
| // initialized to true so we do NTP and XTRA when the network comes up after booting |
| private int mInjectNtpTimePending = STATE_PENDING_NETWORK; |
| private int mDownloadXtraDataPending = STATE_PENDING_NETWORK; |
| |
| // set to true if the GPS engine requested on-demand NTP time requests |
| private boolean mOnDemandTimeInjection; |
| |
| // true if GPS is navigating |
| private boolean mNavigating; |
| |
| // true if GPS engine is on |
| private boolean mEngineOn; |
| |
| // requested frequency of fixes, in milliseconds |
| private int mFixInterval = 1000; |
| |
| // true if we started navigation |
| private boolean mStarted; |
| |
| // true if single shot request is in progress |
| private boolean mSingleShot; |
| |
| // capabilities of the GPS engine |
| private int mEngineCapabilities; |
| |
| // true if XTRA is supported |
| private boolean mSupportsXtra; |
| |
| // for calculating time to first fix |
| private long mFixRequestTime = 0; |
| // time to first fix for most recent session |
| private int mTimeToFirstFix = 0; |
| // time we received our last fix |
| private long mLastFixTime; |
| |
| private int mPositionMode; |
| |
| // Current request from underlying location clients. |
| private ProviderRequest mProviderRequest = null; |
| // Current list of underlying location clients. |
| private WorkSource mWorkSource = null; |
| // True if gps should be disabled (used to support battery saver mode in settings). |
| private boolean mDisableGps = false; |
| |
| /** |
| * Properties loaded from PROPERTIES_FILE. |
| * It must be accessed only inside {@link #mHandler}. |
| */ |
| private Properties mProperties; |
| |
| private String mSuplServerHost; |
| private int mSuplServerPort = TCP_MIN_PORT; |
| private String mC2KServerHost; |
| private int mC2KServerPort; |
| private boolean mSuplEsEnabled = false; |
| |
| private final Context mContext; |
| private final NtpTrustedTime mNtpTime; |
| private final ILocationManager mILocationManager; |
| private Location mLocation = new Location(LocationManager.GPS_PROVIDER); |
| private Bundle mLocationExtras = new Bundle(); |
| private final GnssStatusListenerHelper mListenerHelper; |
| private final GnssMeasurementsProvider mGnssMeasurementsProvider; |
| private final GnssNavigationMessageProvider mGnssNavigationMessageProvider; |
| |
| // Handler for processing events |
| private Handler mHandler; |
| |
| /** It must be accessed only inside {@link #mHandler}. */ |
| private int mAGpsDataConnectionState; |
| /** It must be accessed only inside {@link #mHandler}. */ |
| private InetAddress mAGpsDataConnectionIpAddr; |
| |
| private final ConnectivityManager mConnMgr; |
| private final GpsNetInitiatedHandler mNIHandler; |
| |
| // Wakelocks |
| private final static String WAKELOCK_KEY = "GnssLocationProvider"; |
| private final PowerManager.WakeLock mWakeLock; |
| |
| // Alarms |
| private final static String ALARM_WAKEUP = "com.android.internal.location.ALARM_WAKEUP"; |
| private final static String ALARM_TIMEOUT = "com.android.internal.location.ALARM_TIMEOUT"; |
| |
| // SIM/Carrier info. |
| private final static String SIM_STATE_CHANGED = "android.intent.action.SIM_STATE_CHANGED"; |
| |
| private final PowerManager mPowerManager; |
| private final AlarmManager mAlarmManager; |
| private final PendingIntent mWakeupIntent; |
| private final PendingIntent mTimeoutIntent; |
| |
| private final IAppOpsService mAppOpsService; |
| private final IBatteryStats mBatteryStats; |
| |
| // only modified on handler thread |
| private WorkSource mClientSource = new WorkSource(); |
| |
| private GeofenceHardwareImpl mGeofenceHardwareImpl; |
| |
| private int mYearOfHardware = 0; |
| |
| private final IGnssStatusProvider mGnssStatusProvider = new IGnssStatusProvider.Stub() { |
| @Override |
| public void registerGnssStatusCallback(IGnssStatusListener callback) { |
| mListenerHelper.addListener(callback); |
| } |
| |
| @Override |
| public void unregisterGnssStatusCallback(IGnssStatusListener callback) { |
| mListenerHelper.removeListener(callback); |
| } |
| }; |
| |
| public IGnssStatusProvider getGnssStatusProvider() { |
| return mGnssStatusProvider; |
| } |
| |
| public IGpsGeofenceHardware getGpsGeofenceProxy() { |
| return mGpsGeofenceBinder; |
| } |
| |
| public GnssMeasurementsProvider getGnssMeasurementsProvider() { |
| return mGnssMeasurementsProvider; |
| } |
| |
| public GnssNavigationMessageProvider getGnssNavigationMessageProvider() { |
| return mGnssNavigationMessageProvider; |
| } |
| |
| /** |
| * Callback used to listen for data connectivity changes. |
| */ |
| private final ConnectivityManager.NetworkCallback mNetworkConnectivityCallback = |
| new ConnectivityManager.NetworkCallback() { |
| @Override |
| public void onAvailable(Network network) { |
| requestUtcTime(); |
| xtraDownloadRequest(); |
| } |
| }; |
| |
| /** |
| * Callback used to listen for availability of a requested SUPL connection. |
| * It is kept as a separate instance from {@link #mNetworkConnectivityCallback} to be able to |
| * manage the registration/un-registration lifetimes separate. |
| */ |
| private final ConnectivityManager.NetworkCallback mSuplConnectivityCallback = |
| new ConnectivityManager.NetworkCallback() { |
| @Override |
| public void onAvailable(Network network) { |
| sendMessage(UPDATE_NETWORK_STATE, 0 /*arg*/, network); |
| } |
| |
| @Override |
| public void onLost(Network network) { |
| releaseSuplConnection(GPS_RELEASE_AGPS_DATA_CONN); |
| } |
| |
| @Override |
| public void onUnavailable() { |
| // timeout, it was not possible to establish the required connection |
| releaseSuplConnection(GPS_AGPS_DATA_CONN_FAILED); |
| } |
| }; |
| |
| private final BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() { |
| @Override public void onReceive(Context context, Intent intent) { |
| String action = intent.getAction(); |
| if (DEBUG) Log.d(TAG, "receive broadcast intent, action: " + action); |
| if (action == null) { |
| return; |
| } |
| |
| if (action.equals(ALARM_WAKEUP)) { |
| startNavigating(false); |
| } else if (action.equals(ALARM_TIMEOUT)) { |
| hibernate(); |
| } else if (action.equals(Intents.DATA_SMS_RECEIVED_ACTION)) { |
| checkSmsSuplInit(intent); |
| } else if (action.equals(Intents.WAP_PUSH_RECEIVED_ACTION)) { |
| checkWapSuplInit(intent); |
| } else if (PowerManager.ACTION_POWER_SAVE_MODE_CHANGED.equals(action) |
| || PowerManager.ACTION_DEVICE_IDLE_MODE_CHANGED.equals(action) |
| || Intent.ACTION_SCREEN_OFF.equals(action) |
| || Intent.ACTION_SCREEN_ON.equals(action)) { |
| updateLowPowerMode(); |
| } else if (action.equals(SIM_STATE_CHANGED)) { |
| subscriptionOrSimChanged(context); |
| } |
| } |
| }; |
| |
| private final OnSubscriptionsChangedListener mOnSubscriptionsChangedListener = |
| new OnSubscriptionsChangedListener() { |
| @Override |
| public void onSubscriptionsChanged() { |
| sendMessage(SUBSCRIPTION_OR_SIM_CHANGED, 0, null); |
| } |
| }; |
| |
| private void subscriptionOrSimChanged(Context context) { |
| if (DEBUG) Log.d(TAG, "received SIM related action: "); |
| TelephonyManager phone = (TelephonyManager) |
| mContext.getSystemService(Context.TELEPHONY_SERVICE); |
| String mccMnc = phone.getSimOperator(); |
| if (!TextUtils.isEmpty(mccMnc)) { |
| if (DEBUG) Log.d(TAG, "SIM MCC/MNC is available: " + mccMnc); |
| synchronized (mLock) { |
| reloadGpsProperties(context, mProperties); |
| mNIHandler.setSuplEsEnabled(mSuplEsEnabled); |
| } |
| } else { |
| if (DEBUG) Log.d(TAG, "SIM MCC/MNC is still not available"); |
| } |
| } |
| |
| private void checkSmsSuplInit(Intent intent) { |
| SmsMessage[] messages = Intents.getMessagesFromIntent(intent); |
| if (messages == null) { |
| Log.e(TAG, "Message does not exist in the intent."); |
| return; |
| } |
| |
| for (SmsMessage message : messages) { |
| if (message != null && message.mWrappedSmsMessage != null) { |
| byte[] suplInit = message.getUserData(); |
| if (suplInit != null) { |
| native_agps_ni_message(suplInit, suplInit.length); |
| } |
| } |
| } |
| } |
| |
| private void checkWapSuplInit(Intent intent) { |
| byte[] suplInit = intent.getByteArrayExtra("data"); |
| if (suplInit == null) { |
| return; |
| } |
| native_agps_ni_message(suplInit,suplInit.length); |
| } |
| |
| private void updateLowPowerMode() { |
| // Disable GPS if we are in device idle mode. |
| boolean disableGps = mPowerManager.isDeviceIdleMode(); |
| switch (Settings.Secure.getInt(mContext.getContentResolver(), BATTERY_SAVER_GPS_MODE, |
| BATTERY_SAVER_MODE_DISABLED_WHEN_SCREEN_OFF)) { |
| case BATTERY_SAVER_MODE_DISABLED_WHEN_SCREEN_OFF: |
| // If we are in battery saver mode and the screen is off, disable GPS. |
| disableGps |= mPowerManager.isPowerSaveMode() && !mPowerManager.isInteractive(); |
| break; |
| } |
| if (disableGps != mDisableGps) { |
| mDisableGps = disableGps; |
| updateRequirements(); |
| } |
| } |
| |
| public static boolean isSupported() { |
| return native_is_supported(); |
| } |
| |
| private void reloadGpsProperties(Context context, Properties properties) { |
| if (DEBUG) Log.d(TAG, "Reset GPS properties, previous size = " + properties.size()); |
| loadPropertiesFromResource(context, properties); |
| boolean isPropertiesLoadedFromFile = false; |
| final String gpsHardware = SystemProperties.get("ro.hardware.gps"); |
| if (!TextUtils.isEmpty(gpsHardware)) { |
| final String propFilename = |
| PROPERTIES_FILE_PREFIX + "." + gpsHardware + PROPERTIES_FILE_SUFFIX; |
| isPropertiesLoadedFromFile = |
| loadPropertiesFromFile(propFilename, properties); |
| } |
| if (!isPropertiesLoadedFromFile) { |
| loadPropertiesFromFile(DEFAULT_PROPERTIES_FILE, properties); |
| } |
| if (DEBUG) Log.d(TAG, "GPS properties reloaded, size = " + properties.size()); |
| |
| // TODO: we should get rid of C2K specific setting. |
| setSuplHostPort(properties.getProperty("SUPL_HOST"), |
| properties.getProperty("SUPL_PORT")); |
| mC2KServerHost = properties.getProperty("C2K_HOST"); |
| String portString = properties.getProperty("C2K_PORT"); |
| if (mC2KServerHost != null && portString != null) { |
| try { |
| mC2KServerPort = Integer.parseInt(portString); |
| } catch (NumberFormatException e) { |
| Log.e(TAG, "unable to parse C2K_PORT: " + portString); |
| } |
| } |
| |
| if (native_is_gnss_configuration_supported()) { |
| try { |
| // Convert properties to string contents and send it to HAL. |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(4096); |
| properties.store(baos, null); |
| native_configuration_update(baos.toString()); |
| if (DEBUG) Log.d(TAG, "final config = " + baos.toString()); |
| } catch (IOException ex) { |
| Log.e(TAG, "failed to dump properties contents"); |
| } |
| } else if (DEBUG) { |
| Log.d(TAG, "Skipped configuration update because GNSS configuration in GPS HAL is not" |
| + " supported"); |
| } |
| |
| // SUPL_ES configuration. |
| String suplESProperty = mProperties.getProperty("SUPL_ES"); |
| if (suplESProperty != null) { |
| try { |
| mSuplEsEnabled = (Integer.parseInt(suplESProperty) == 1); |
| } catch (NumberFormatException e) { |
| Log.e(TAG, "unable to parse SUPL_ES: " + suplESProperty); |
| } |
| } |
| } |
| |
| private void loadPropertiesFromResource(Context context, |
| Properties properties) { |
| String[] configValues = context.getResources().getStringArray( |
| com.android.internal.R.array.config_gpsParameters); |
| for (String item : configValues) { |
| if (DEBUG) Log.d(TAG, "GpsParamsResource: " + item); |
| // We need to support "KEY =", but not "=VALUE". |
| String[] split = item.split("="); |
| if (split.length == 2) { |
| properties.setProperty(split[0].trim().toUpperCase(), split[1]); |
| } else { |
| Log.w(TAG, "malformed contents: " + item); |
| } |
| } |
| } |
| |
| private boolean loadPropertiesFromFile(String filename, |
| Properties properties) { |
| try { |
| File file = new File(filename); |
| FileInputStream stream = null; |
| try { |
| stream = new FileInputStream(file); |
| properties.load(stream); |
| } finally { |
| IoUtils.closeQuietly(stream); |
| } |
| |
| } catch (IOException e) { |
| Log.w(TAG, "Could not open GPS configuration file " + filename); |
| return false; |
| } |
| return true; |
| } |
| |
| public GnssLocationProvider(Context context, ILocationManager ilocationManager, |
| Looper looper) { |
| mContext = context; |
| mNtpTime = NtpTrustedTime.getInstance(context); |
| mILocationManager = ilocationManager; |
| |
| mLocation.setExtras(mLocationExtras); |
| |
| // Create a wake lock |
| mPowerManager = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE); |
| mWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, WAKELOCK_KEY); |
| mWakeLock.setReferenceCounted(true); |
| |
| mAlarmManager = (AlarmManager)mContext.getSystemService(Context.ALARM_SERVICE); |
| mWakeupIntent = PendingIntent.getBroadcast(mContext, 0, new Intent(ALARM_WAKEUP), 0); |
| mTimeoutIntent = PendingIntent.getBroadcast(mContext, 0, new Intent(ALARM_TIMEOUT), 0); |
| |
| mConnMgr = (ConnectivityManager)context.getSystemService(Context.CONNECTIVITY_SERVICE); |
| |
| // App ops service to keep track of who is accessing the GPS |
| mAppOpsService = IAppOpsService.Stub.asInterface(ServiceManager.getService( |
| Context.APP_OPS_SERVICE)); |
| |
| // Battery statistics service to be notified when GPS turns on or off |
| mBatteryStats = IBatteryStats.Stub.asInterface(ServiceManager.getService( |
| BatteryStats.SERVICE_NAME)); |
| |
| // Construct internal handler |
| mHandler = new ProviderHandler(looper); |
| |
| // Load GPS configuration and register listeners in the background: |
| // some operations, such as opening files and registering broadcast receivers, can take a |
| // relative long time, so the ctor() is kept to create objects needed by this instance, |
| // while IO initialization and registration is delegated to our internal handler |
| // this approach is just fine because events are posted to our handler anyway |
| mProperties = new Properties(); |
| sendMessage(INITIALIZE_HANDLER, 0, null); |
| |
| // Create a GPS net-initiated handler. |
| mNIHandler = new GpsNetInitiatedHandler(context, |
| mNetInitiatedListener, |
| mSuplEsEnabled); |
| |
| mListenerHelper = new GnssStatusListenerHelper(mHandler) { |
| @Override |
| protected boolean isAvailableInPlatform() { |
| return isSupported(); |
| } |
| |
| @Override |
| protected boolean isGpsEnabled() { |
| return isEnabled(); |
| } |
| }; |
| |
| mGnssMeasurementsProvider = new GnssMeasurementsProvider(mHandler) { |
| @Override |
| public boolean isAvailableInPlatform() { |
| return native_is_measurement_supported(); |
| } |
| |
| @Override |
| protected boolean registerWithService() { |
| return native_start_measurement_collection(); |
| } |
| |
| @Override |
| protected void unregisterFromService() { |
| native_stop_measurement_collection(); |
| } |
| |
| @Override |
| protected boolean isGpsEnabled() { |
| return isEnabled(); |
| } |
| }; |
| |
| mGnssNavigationMessageProvider = new GnssNavigationMessageProvider(mHandler) { |
| @Override |
| protected boolean isAvailableInPlatform() { |
| return native_is_navigation_message_supported(); |
| } |
| |
| @Override |
| protected boolean registerWithService() { |
| return native_start_navigation_message_collection(); |
| } |
| |
| @Override |
| protected void unregisterFromService() { |
| native_stop_navigation_message_collection(); |
| } |
| |
| @Override |
| protected boolean isGpsEnabled() { |
| return isEnabled(); |
| } |
| }; |
| } |
| |
| /** |
| * Returns the name of this provider. |
| */ |
| @Override |
| public String getName() { |
| return LocationManager.GPS_PROVIDER; |
| } |
| |
| @Override |
| public ProviderProperties getProperties() { |
| return PROPERTIES; |
| } |
| |
| private void handleUpdateNetworkState(Network network) { |
| // retrieve NetworkInfo for this UID |
| NetworkInfo info = mConnMgr.getNetworkInfo(network); |
| if (info == null) { |
| return; |
| } |
| |
| boolean isConnected = info.isConnected(); |
| if (DEBUG) { |
| String message = String.format( |
| "UpdateNetworkState, state=%s, connected=%s, info=%s, capabilities=%S", |
| agpsDataConnStateAsString(), |
| isConnected, |
| info, |
| mConnMgr.getNetworkCapabilities(network)); |
| Log.d(TAG, message); |
| } |
| |
| if (native_is_agps_ril_supported()) { |
| boolean dataEnabled = TelephonyManager.getDefault().getDataEnabled(); |
| boolean networkAvailable = info.isAvailable() && dataEnabled; |
| String defaultApn = getSelectedApn(); |
| if (defaultApn == null) { |
| defaultApn = "dummy-apn"; |
| } |
| |
| native_update_network_state( |
| isConnected, |
| info.getType(), |
| info.isRoaming(), |
| networkAvailable, |
| info.getExtraInfo(), |
| defaultApn); |
| } else if (DEBUG) { |
| Log.d(TAG, "Skipped network state update because GPS HAL AGPS-RIL is not supported"); |
| } |
| |
| if (mAGpsDataConnectionState == AGPS_DATA_CONNECTION_OPENING) { |
| if (isConnected) { |
| String apnName = info.getExtraInfo(); |
| if (apnName == null) { |
| // assign a dummy value in the case of C2K as otherwise we will have a runtime |
| // exception in the following call to native_agps_data_conn_open |
| apnName = "dummy-apn"; |
| } |
| int apnIpType = getApnIpType(apnName); |
| setRouting(); |
| if (DEBUG) { |
| String message = String.format( |
| "native_agps_data_conn_open: mAgpsApn=%s, mApnIpType=%s", |
| apnName, |
| apnIpType); |
| Log.d(TAG, message); |
| } |
| native_agps_data_conn_open(apnName, apnIpType); |
| mAGpsDataConnectionState = AGPS_DATA_CONNECTION_OPEN; |
| } else { |
| handleReleaseSuplConnection(GPS_AGPS_DATA_CONN_FAILED); |
| } |
| } |
| } |
| |
| private void handleRequestSuplConnection(InetAddress address) { |
| if (DEBUG) { |
| String message = String.format( |
| "requestSuplConnection, state=%s, address=%s", |
| agpsDataConnStateAsString(), |
| address); |
| Log.d(TAG, message); |
| } |
| |
| if (mAGpsDataConnectionState != AGPS_DATA_CONNECTION_CLOSED) { |
| return; |
| } |
| mAGpsDataConnectionIpAddr = address; |
| mAGpsDataConnectionState = AGPS_DATA_CONNECTION_OPENING; |
| |
| NetworkRequest.Builder requestBuilder = new NetworkRequest.Builder(); |
| requestBuilder.addTransportType(NetworkCapabilities.TRANSPORT_CELLULAR); |
| requestBuilder.addCapability(NetworkCapabilities.NET_CAPABILITY_SUPL); |
| NetworkRequest request = requestBuilder.build(); |
| mConnMgr.requestNetwork( |
| request, |
| mSuplConnectivityCallback, |
| ConnectivityManager.MAX_NETWORK_REQUEST_TIMEOUT_MS); |
| } |
| |
| private void handleReleaseSuplConnection(int agpsDataConnStatus) { |
| if (DEBUG) { |
| String message = String.format( |
| "releaseSuplConnection, state=%s, status=%s", |
| agpsDataConnStateAsString(), |
| agpsDataConnStatusAsString(agpsDataConnStatus)); |
| Log.d(TAG, message); |
| } |
| |
| if (mAGpsDataConnectionState == AGPS_DATA_CONNECTION_CLOSED) { |
| return; |
| } |
| mAGpsDataConnectionState = AGPS_DATA_CONNECTION_CLOSED; |
| |
| mConnMgr.unregisterNetworkCallback(mSuplConnectivityCallback); |
| switch (agpsDataConnStatus) { |
| case GPS_AGPS_DATA_CONN_FAILED: |
| native_agps_data_conn_failed(); |
| break; |
| case GPS_RELEASE_AGPS_DATA_CONN: |
| native_agps_data_conn_closed(); |
| break; |
| default: |
| Log.e(TAG, "Invalid status to release SUPL connection: " + agpsDataConnStatus); |
| } |
| } |
| |
| private void handleInjectNtpTime() { |
| if (mInjectNtpTimePending == STATE_DOWNLOADING) { |
| // already downloading data |
| return; |
| } |
| if (!isDataNetworkConnected()) { |
| // try again when network is up |
| mInjectNtpTimePending = STATE_PENDING_NETWORK; |
| return; |
| } |
| mInjectNtpTimePending = STATE_DOWNLOADING; |
| |
| // hold wake lock while task runs |
| mWakeLock.acquire(); |
| Log.i(TAG, "WakeLock acquired by handleInjectNtpTime()"); |
| AsyncTask.THREAD_POOL_EXECUTOR.execute(new Runnable() { |
| @Override |
| public void run() { |
| long delay; |
| |
| // force refresh NTP cache when outdated |
| boolean refreshSuccess = true; |
| if (mNtpTime.getCacheAge() >= NTP_INTERVAL) { |
| refreshSuccess = mNtpTime.forceRefresh(); |
| } |
| |
| // only update when NTP time is fresh |
| if (mNtpTime.getCacheAge() < NTP_INTERVAL) { |
| long time = mNtpTime.getCachedNtpTime(); |
| long timeReference = mNtpTime.getCachedNtpTimeReference(); |
| long certainty = mNtpTime.getCacheCertainty(); |
| long now = System.currentTimeMillis(); |
| |
| if (DEBUG) { |
| Log.d(TAG, "NTP server returned: " |
| + time + " (" + new Date(time) |
| + ") reference: " + timeReference |
| + " certainty: " + certainty |
| + " system time offset: " + (time - now)); |
| } |
| |
| native_inject_time(time, timeReference, (int) certainty); |
| delay = NTP_INTERVAL; |
| mNtpBackOff.reset(); |
| } else { |
| Log.e(TAG, "requestTime failed"); |
| delay = mNtpBackOff.nextBackoffMillis(); |
| } |
| |
| sendMessage(INJECT_NTP_TIME_FINISHED, 0, null); |
| |
| if (DEBUG) { |
| String message = String.format( |
| "onDemandTimeInjection=%s, refreshSuccess=%s, delay=%s", |
| mOnDemandTimeInjection, |
| refreshSuccess, |
| delay); |
| Log.d(TAG, message); |
| } |
| if (mOnDemandTimeInjection || !refreshSuccess) { |
| // send delayed message for next NTP injection |
| // since this is delayed and not urgent we do not hold a wake lock here |
| mHandler.sendEmptyMessageDelayed(INJECT_NTP_TIME, delay); |
| } |
| |
| // release wake lock held by task |
| mWakeLock.release(); |
| Log.i(TAG, "WakeLock released by handleInjectNtpTime()"); |
| } |
| }); |
| } |
| |
| private void handleDownloadXtraData() { |
| if (mDownloadXtraDataPending == STATE_DOWNLOADING) { |
| // already downloading data |
| return; |
| } |
| if (!isDataNetworkConnected()) { |
| // try again when network is up |
| mDownloadXtraDataPending = STATE_PENDING_NETWORK; |
| return; |
| } |
| mDownloadXtraDataPending = STATE_DOWNLOADING; |
| |
| // hold wake lock while task runs |
| mWakeLock.acquire(); |
| Log.i(TAG, "WakeLock acquired by handleDownloadXtraData()"); |
| AsyncTask.THREAD_POOL_EXECUTOR.execute(new Runnable() { |
| @Override |
| public void run() { |
| GpsXtraDownloader xtraDownloader = new GpsXtraDownloader(mProperties); |
| byte[] data = xtraDownloader.downloadXtraData(); |
| if (data != null) { |
| if (DEBUG) Log.d(TAG, "calling native_inject_xtra_data"); |
| native_inject_xtra_data(data, data.length); |
| mXtraBackOff.reset(); |
| } |
| |
| sendMessage(DOWNLOAD_XTRA_DATA_FINISHED, 0, null); |
| |
| if (data == null) { |
| // try again later |
| // since this is delayed and not urgent we do not hold a wake lock here |
| mHandler.sendEmptyMessageDelayed(DOWNLOAD_XTRA_DATA, |
| mXtraBackOff.nextBackoffMillis()); |
| } |
| |
| // release wake lock held by task |
| mWakeLock.release(); |
| Log.i(TAG, "WakeLock released by handleDownloadXtraData()"); |
| } |
| }); |
| } |
| |
| private void handleUpdateLocation(Location location) { |
| if (location.hasAccuracy()) { |
| native_inject_location(location.getLatitude(), location.getLongitude(), |
| location.getAccuracy()); |
| } |
| } |
| |
| /** |
| * Enables this provider. When enabled, calls to getStatus() |
| * must be handled. Hardware may be started up |
| * when the provider is enabled. |
| */ |
| @Override |
| public void enable() { |
| synchronized (mLock) { |
| if (mEnabled) return; |
| mEnabled = true; |
| } |
| |
| sendMessage(ENABLE, 1, null); |
| } |
| |
| private void setSuplHostPort(String hostString, String portString) { |
| if (hostString != null) { |
| mSuplServerHost = hostString; |
| } |
| if (portString != null) { |
| try { |
| mSuplServerPort = Integer.parseInt(portString); |
| } catch (NumberFormatException e) { |
| Log.e(TAG, "unable to parse SUPL_PORT: " + portString); |
| } |
| } |
| if (mSuplServerHost != null |
| && mSuplServerPort > TCP_MIN_PORT |
| && mSuplServerPort <= TCP_MAX_PORT) { |
| native_set_agps_server(AGPS_TYPE_SUPL, mSuplServerHost, mSuplServerPort); |
| } |
| } |
| |
| /** |
| * Checks what SUPL mode to use, according to the AGPS mode as well as the |
| * allowed mode from properties. |
| * |
| * @param properties GPS properties |
| * @param agpsEnabled whether AGPS is enabled by settings value |
| * @param singleShot whether "singleshot" is needed |
| * @return SUPL mode (MSA vs MSB vs STANDALONE) |
| */ |
| private int getSuplMode(Properties properties, boolean agpsEnabled, boolean singleShot) { |
| if (agpsEnabled) { |
| String modeString = properties.getProperty("SUPL_MODE"); |
| int suplMode = 0; |
| if (!TextUtils.isEmpty(modeString)) { |
| try { |
| suplMode = Integer.parseInt(modeString); |
| } catch (NumberFormatException e) { |
| Log.e(TAG, "unable to parse SUPL_MODE: " + modeString); |
| return GPS_POSITION_MODE_STANDALONE; |
| } |
| } |
| // MS-Based is the preferred mode for Assisted-GPS position computation, so we favor |
| // such mode when it is available |
| if (hasCapability(GPS_CAPABILITY_MSB) && (suplMode & AGPS_SUPL_MODE_MSB) != 0) { |
| return GPS_POSITION_MODE_MS_BASED; |
| } |
| // for now, just as the legacy code did, we fallback to MS-Assisted if it is available, |
| // do fallback only for single-shot requests, because it is too expensive to do for |
| // periodic requests as well |
| if (singleShot |
| && hasCapability(GPS_CAPABILITY_MSA) |
| && (suplMode & AGPS_SUPL_MODE_MSA) != 0) { |
| return GPS_POSITION_MODE_MS_ASSISTED; |
| } |
| } |
| return GPS_POSITION_MODE_STANDALONE; |
| } |
| |
| private void handleEnable() { |
| if (DEBUG) Log.d(TAG, "handleEnable"); |
| |
| boolean enabled = native_init(); |
| |
| if (enabled) { |
| mSupportsXtra = native_supports_xtra(); |
| |
| // TODO: remove the following native calls if we can make sure they are redundant. |
| if (mSuplServerHost != null) { |
| native_set_agps_server(AGPS_TYPE_SUPL, mSuplServerHost, mSuplServerPort); |
| } |
| if (mC2KServerHost != null) { |
| native_set_agps_server(AGPS_TYPE_C2K, mC2KServerHost, mC2KServerPort); |
| } |
| |
| mGnssMeasurementsProvider.onGpsEnabledChanged(); |
| mGnssNavigationMessageProvider.onGpsEnabledChanged(); |
| } else { |
| synchronized (mLock) { |
| mEnabled = false; |
| } |
| Log.w(TAG, "Failed to enable location provider"); |
| } |
| } |
| |
| /** |
| * Disables this provider. When disabled, calls to getStatus() |
| * need not be handled. Hardware may be shut |
| * down while the provider is disabled. |
| */ |
| @Override |
| public void disable() { |
| synchronized (mLock) { |
| if (!mEnabled) return; |
| mEnabled = false; |
| } |
| |
| sendMessage(ENABLE, 0, null); |
| } |
| |
| private void handleDisable() { |
| if (DEBUG) Log.d(TAG, "handleDisable"); |
| |
| updateClientUids(new WorkSource()); |
| stopNavigating(); |
| mAlarmManager.cancel(mWakeupIntent); |
| mAlarmManager.cancel(mTimeoutIntent); |
| |
| // do this before releasing wakelock |
| native_cleanup(); |
| |
| mGnssMeasurementsProvider.onGpsEnabledChanged(); |
| mGnssNavigationMessageProvider.onGpsEnabledChanged(); |
| } |
| |
| @Override |
| public boolean isEnabled() { |
| synchronized (mLock) { |
| return mEnabled; |
| } |
| } |
| |
| @Override |
| public int getStatus(Bundle extras) { |
| if (extras != null) { |
| extras.putInt("satellites", mSvCount); |
| } |
| return mStatus; |
| } |
| |
| private void updateStatus(int status, int svCount) { |
| if (status != mStatus || svCount != mSvCount) { |
| mStatus = status; |
| mSvCount = svCount; |
| mLocationExtras.putInt("satellites", svCount); |
| mStatusUpdateTime = SystemClock.elapsedRealtime(); |
| } |
| } |
| |
| @Override |
| public long getStatusUpdateTime() { |
| return mStatusUpdateTime; |
| } |
| |
| @Override |
| public void setRequest(ProviderRequest request, WorkSource source) { |
| sendMessage(SET_REQUEST, 0, new GpsRequest(request, source)); |
| } |
| |
| private void handleSetRequest(ProviderRequest request, WorkSource source) { |
| mProviderRequest = request; |
| mWorkSource = source; |
| updateRequirements(); |
| } |
| |
| // Called when the requirements for GPS may have changed |
| private void updateRequirements() { |
| if (mProviderRequest == null || mWorkSource == null) { |
| return; |
| } |
| |
| boolean singleShot = false; |
| |
| // see if the request is for a single update |
| if (mProviderRequest.locationRequests != null |
| && mProviderRequest.locationRequests.size() > 0) { |
| // if any request has zero or more than one updates |
| // requested, then this is not single-shot mode |
| singleShot = true; |
| |
| for (LocationRequest lr : mProviderRequest.locationRequests) { |
| if (lr.getNumUpdates() != 1) { |
| singleShot = false; |
| } |
| } |
| } |
| |
| if (DEBUG) Log.d(TAG, "setRequest " + mProviderRequest); |
| if (mProviderRequest.reportLocation && !mDisableGps && isEnabled()) { |
| // update client uids |
| updateClientUids(mWorkSource); |
| |
| mFixInterval = (int) mProviderRequest.interval; |
| |
| // check for overflow |
| if (mFixInterval != mProviderRequest.interval) { |
| Log.w(TAG, "interval overflow: " + mProviderRequest.interval); |
| mFixInterval = Integer.MAX_VALUE; |
| } |
| |
| // apply request to GPS engine |
| if (mStarted && hasCapability(GPS_CAPABILITY_SCHEDULING)) { |
| // change period |
| if (!native_set_position_mode(mPositionMode, GPS_POSITION_RECURRENCE_PERIODIC, |
| mFixInterval, 0, 0)) { |
| Log.e(TAG, "set_position_mode failed in setMinTime()"); |
| } |
| } else if (!mStarted) { |
| // start GPS |
| startNavigating(singleShot); |
| } |
| } else { |
| updateClientUids(new WorkSource()); |
| |
| stopNavigating(); |
| mAlarmManager.cancel(mWakeupIntent); |
| mAlarmManager.cancel(mTimeoutIntent); |
| } |
| } |
| |
| private void updateClientUids(WorkSource source) { |
| // Update work source. |
| WorkSource[] changes = mClientSource.setReturningDiffs(source); |
| if (changes == null) { |
| return; |
| } |
| WorkSource newWork = changes[0]; |
| WorkSource goneWork = changes[1]; |
| |
| // Update sources that were not previously tracked. |
| if (newWork != null) { |
| int lastuid = -1; |
| for (int i=0; i<newWork.size(); i++) { |
| try { |
| int uid = newWork.get(i); |
| mAppOpsService.startOperation(AppOpsManager.getToken(mAppOpsService), |
| AppOpsManager.OP_GPS, uid, newWork.getName(i)); |
| if (uid != lastuid) { |
| lastuid = uid; |
| mBatteryStats.noteStartGps(uid); |
| } |
| } catch (RemoteException e) { |
| Log.w(TAG, "RemoteException", e); |
| } |
| } |
| } |
| |
| // Update sources that are no longer tracked. |
| if (goneWork != null) { |
| int lastuid = -1; |
| for (int i=0; i<goneWork.size(); i++) { |
| try { |
| int uid = goneWork.get(i); |
| mAppOpsService.finishOperation(AppOpsManager.getToken(mAppOpsService), |
| AppOpsManager.OP_GPS, uid, goneWork.getName(i)); |
| if (uid != lastuid) { |
| lastuid = uid; |
| mBatteryStats.noteStopGps(uid); |
| } |
| } catch (RemoteException e) { |
| Log.w(TAG, "RemoteException", e); |
| } |
| } |
| } |
| } |
| |
| @Override |
| public boolean sendExtraCommand(String command, Bundle extras) { |
| |
| long identity = Binder.clearCallingIdentity(); |
| boolean result = false; |
| |
| if ("delete_aiding_data".equals(command)) { |
| result = deleteAidingData(extras); |
| } else if ("force_time_injection".equals(command)) { |
| requestUtcTime(); |
| result = true; |
| } else if ("force_xtra_injection".equals(command)) { |
| if (mSupportsXtra) { |
| xtraDownloadRequest(); |
| result = true; |
| } |
| } else { |
| Log.w(TAG, "sendExtraCommand: unknown command " + command); |
| } |
| |
| Binder.restoreCallingIdentity(identity); |
| return result; |
| } |
| |
| private IGpsGeofenceHardware mGpsGeofenceBinder = new IGpsGeofenceHardware.Stub() { |
| public boolean isHardwareGeofenceSupported() { |
| return native_is_geofence_supported(); |
| } |
| |
| public boolean addCircularHardwareGeofence(int geofenceId, double latitude, |
| double longitude, double radius, int lastTransition, int monitorTransitions, |
| int notificationResponsiveness, int unknownTimer) { |
| return native_add_geofence(geofenceId, latitude, longitude, radius, |
| lastTransition, monitorTransitions, notificationResponsiveness, unknownTimer); |
| } |
| |
| public boolean removeHardwareGeofence(int geofenceId) { |
| return native_remove_geofence(geofenceId); |
| } |
| |
| public boolean pauseHardwareGeofence(int geofenceId) { |
| return native_pause_geofence(geofenceId); |
| } |
| |
| public boolean resumeHardwareGeofence(int geofenceId, int monitorTransition) { |
| return native_resume_geofence(geofenceId, monitorTransition); |
| } |
| }; |
| |
| private boolean deleteAidingData(Bundle extras) { |
| int flags; |
| |
| if (extras == null) { |
| flags = GPS_DELETE_ALL; |
| } else { |
| flags = 0; |
| if (extras.getBoolean("ephemeris")) flags |= GPS_DELETE_EPHEMERIS; |
| if (extras.getBoolean("almanac")) flags |= GPS_DELETE_ALMANAC; |
| if (extras.getBoolean("position")) flags |= GPS_DELETE_POSITION; |
| if (extras.getBoolean("time")) flags |= GPS_DELETE_TIME; |
| if (extras.getBoolean("iono")) flags |= GPS_DELETE_IONO; |
| if (extras.getBoolean("utc")) flags |= GPS_DELETE_UTC; |
| if (extras.getBoolean("health")) flags |= GPS_DELETE_HEALTH; |
| if (extras.getBoolean("svdir")) flags |= GPS_DELETE_SVDIR; |
| if (extras.getBoolean("svsteer")) flags |= GPS_DELETE_SVSTEER; |
| if (extras.getBoolean("sadata")) flags |= GPS_DELETE_SADATA; |
| if (extras.getBoolean("rti")) flags |= GPS_DELETE_RTI; |
| if (extras.getBoolean("celldb-info")) flags |= GPS_DELETE_CELLDB_INFO; |
| if (extras.getBoolean("all")) flags |= GPS_DELETE_ALL; |
| } |
| |
| if (flags != 0) { |
| native_delete_aiding_data(flags); |
| return true; |
| } |
| |
| return false; |
| } |
| |
| private void startNavigating(boolean singleShot) { |
| if (!mStarted) { |
| if (DEBUG) Log.d(TAG, "startNavigating, singleShot is " + singleShot); |
| mTimeToFirstFix = 0; |
| mLastFixTime = 0; |
| mStarted = true; |
| mSingleShot = singleShot; |
| mPositionMode = GPS_POSITION_MODE_STANDALONE; |
| |
| boolean agpsEnabled = |
| (Settings.Global.getInt(mContext.getContentResolver(), |
| Settings.Global.ASSISTED_GPS_ENABLED, 1) != 0); |
| mPositionMode = getSuplMode(mProperties, agpsEnabled, singleShot); |
| |
| if (DEBUG) { |
| String mode; |
| |
| switch(mPositionMode) { |
| case GPS_POSITION_MODE_STANDALONE: |
| mode = "standalone"; |
| break; |
| case GPS_POSITION_MODE_MS_ASSISTED: |
| mode = "MS_ASSISTED"; |
| break; |
| case GPS_POSITION_MODE_MS_BASED: |
| mode = "MS_BASED"; |
| break; |
| default: |
| mode = "unknown"; |
| break; |
| } |
| Log.d(TAG, "setting position_mode to " + mode); |
| } |
| |
| int interval = (hasCapability(GPS_CAPABILITY_SCHEDULING) ? mFixInterval : 1000); |
| if (!native_set_position_mode(mPositionMode, GPS_POSITION_RECURRENCE_PERIODIC, |
| interval, 0, 0)) { |
| mStarted = false; |
| Log.e(TAG, "set_position_mode failed in startNavigating()"); |
| return; |
| } |
| if (!native_start()) { |
| mStarted = false; |
| Log.e(TAG, "native_start failed in startNavigating()"); |
| return; |
| } |
| |
| // reset SV count to zero |
| updateStatus(LocationProvider.TEMPORARILY_UNAVAILABLE, 0); |
| mFixRequestTime = System.currentTimeMillis(); |
| if (!hasCapability(GPS_CAPABILITY_SCHEDULING)) { |
| // set timer to give up if we do not receive a fix within NO_FIX_TIMEOUT |
| // and our fix interval is not short |
| if (mFixInterval >= NO_FIX_TIMEOUT) { |
| mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, |
| SystemClock.elapsedRealtime() + NO_FIX_TIMEOUT, mTimeoutIntent); |
| } |
| } |
| } |
| } |
| |
| private void stopNavigating() { |
| if (DEBUG) Log.d(TAG, "stopNavigating"); |
| if (mStarted) { |
| mStarted = false; |
| mSingleShot = false; |
| native_stop(); |
| mTimeToFirstFix = 0; |
| mLastFixTime = 0; |
| mLocationFlags = LOCATION_INVALID; |
| |
| // reset SV count to zero |
| updateStatus(LocationProvider.TEMPORARILY_UNAVAILABLE, 0); |
| } |
| } |
| |
| private void hibernate() { |
| // stop GPS until our next fix interval arrives |
| stopNavigating(); |
| mAlarmManager.cancel(mTimeoutIntent); |
| mAlarmManager.cancel(mWakeupIntent); |
| long now = SystemClock.elapsedRealtime(); |
| mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, now + mFixInterval, mWakeupIntent); |
| } |
| |
| private boolean hasCapability(int capability) { |
| return ((mEngineCapabilities & capability) != 0); |
| } |
| |
| |
| /** |
| * called from native code to update our position. |
| */ |
| private void reportLocation(int flags, double latitude, double longitude, double altitude, |
| float speed, float bearing, float accuracy, long timestamp) { |
| if (VERBOSE) Log.v(TAG, "reportLocation lat: " + latitude + " long: " + longitude + |
| " timestamp: " + timestamp); |
| |
| synchronized (mLocation) { |
| mLocationFlags = flags; |
| if ((flags & LOCATION_HAS_LAT_LONG) == LOCATION_HAS_LAT_LONG) { |
| mLocation.setLatitude(latitude); |
| mLocation.setLongitude(longitude); |
| mLocation.setTime(timestamp); |
| // It would be nice to push the elapsed real-time timestamp |
| // further down the stack, but this is still useful |
| mLocation.setElapsedRealtimeNanos(SystemClock.elapsedRealtimeNanos()); |
| } |
| if ((flags & LOCATION_HAS_ALTITUDE) == LOCATION_HAS_ALTITUDE) { |
| mLocation.setAltitude(altitude); |
| } else { |
| mLocation.removeAltitude(); |
| } |
| if ((flags & LOCATION_HAS_SPEED) == LOCATION_HAS_SPEED) { |
| mLocation.setSpeed(speed); |
| } else { |
| mLocation.removeSpeed(); |
| } |
| if ((flags & LOCATION_HAS_BEARING) == LOCATION_HAS_BEARING) { |
| mLocation.setBearing(bearing); |
| } else { |
| mLocation.removeBearing(); |
| } |
| if ((flags & LOCATION_HAS_ACCURACY) == LOCATION_HAS_ACCURACY) { |
| mLocation.setAccuracy(accuracy); |
| } else { |
| mLocation.removeAccuracy(); |
| } |
| mLocation.setExtras(mLocationExtras); |
| |
| try { |
| mILocationManager.reportLocation(mLocation, false); |
| } catch (RemoteException e) { |
| Log.e(TAG, "RemoteException calling reportLocation"); |
| } |
| } |
| |
| mLastFixTime = System.currentTimeMillis(); |
| // report time to first fix |
| if (mTimeToFirstFix == 0 && (flags & LOCATION_HAS_LAT_LONG) == LOCATION_HAS_LAT_LONG) { |
| mTimeToFirstFix = (int)(mLastFixTime - mFixRequestTime); |
| if (DEBUG) Log.d(TAG, "TTFF: " + mTimeToFirstFix); |
| |
| // notify status listeners |
| mListenerHelper.onFirstFix(mTimeToFirstFix); |
| } |
| |
| if (mSingleShot) { |
| stopNavigating(); |
| } |
| |
| if (mStarted && mStatus != LocationProvider.AVAILABLE) { |
| // we want to time out if we do not receive a fix |
| // within the time out and we are requesting infrequent fixes |
| if (!hasCapability(GPS_CAPABILITY_SCHEDULING) && mFixInterval < NO_FIX_TIMEOUT) { |
| mAlarmManager.cancel(mTimeoutIntent); |
| } |
| |
| // send an intent to notify that the GPS is receiving fixes. |
| Intent intent = new Intent(LocationManager.GPS_FIX_CHANGE_ACTION); |
| intent.putExtra(LocationManager.EXTRA_GPS_ENABLED, true); |
| mContext.sendBroadcastAsUser(intent, UserHandle.ALL); |
| updateStatus(LocationProvider.AVAILABLE, mSvCount); |
| } |
| |
| if (!hasCapability(GPS_CAPABILITY_SCHEDULING) && mStarted && |
| mFixInterval > GPS_POLLING_THRESHOLD_INTERVAL) { |
| if (DEBUG) Log.d(TAG, "got fix, hibernating"); |
| hibernate(); |
| } |
| } |
| |
| /** |
| * called from native code to update our status |
| */ |
| private void reportStatus(int status) { |
| if (DEBUG) Log.v(TAG, "reportStatus status: " + status); |
| |
| boolean wasNavigating = mNavigating; |
| switch (status) { |
| case GPS_STATUS_SESSION_BEGIN: |
| mNavigating = true; |
| mEngineOn = true; |
| break; |
| case GPS_STATUS_SESSION_END: |
| mNavigating = false; |
| break; |
| case GPS_STATUS_ENGINE_ON: |
| mEngineOn = true; |
| break; |
| case GPS_STATUS_ENGINE_OFF: |
| mEngineOn = false; |
| mNavigating = false; |
| break; |
| } |
| |
| if (wasNavigating != mNavigating) { |
| mListenerHelper.onStatusChanged(mNavigating); |
| |
| // send an intent to notify that the GPS has been enabled or disabled |
| Intent intent = new Intent(LocationManager.GPS_ENABLED_CHANGE_ACTION); |
| intent.putExtra(LocationManager.EXTRA_GPS_ENABLED, mNavigating); |
| mContext.sendBroadcastAsUser(intent, UserHandle.ALL); |
| } |
| } |
| |
| /** |
| * called from native code to update SV info |
| */ |
| private void reportSvStatus() { |
| int svCount = native_read_sv_status(mSvidWithFlags, mCn0s, mSvElevations, mSvAzimuths); |
| mListenerHelper.onSvStatusChanged( |
| svCount, |
| mSvidWithFlags, |
| mCn0s, |
| mSvElevations, |
| mSvAzimuths); |
| |
| if (VERBOSE) { |
| Log.v(TAG, "SV count: " + svCount); |
| } |
| // Calculate number of sets used in fix. |
| int usedInFixCount = 0; |
| for (int i = 0; i < svCount; i++) { |
| if ((mSvidWithFlags[i] & GnssStatus.GNSS_SV_FLAGS_USED_IN_FIX) != 0) { |
| ++usedInFixCount; |
| } |
| if (VERBOSE) { |
| Log.v(TAG, "svid: " + (mSvidWithFlags[i] >> GnssStatus.SVID_SHIFT_WIDTH) + |
| " cn0: " + mCn0s[i]/10 + |
| " elev: " + mSvElevations[i] + |
| " azimuth: " + mSvAzimuths[i] + |
| ((mSvidWithFlags[i] & GnssStatus.GNSS_SV_FLAGS_HAS_EPHEMERIS_DATA) == 0 |
| ? " " : " E") + |
| ((mSvidWithFlags[i] & GnssStatus.GNSS_SV_FLAGS_HAS_ALMANAC_DATA) == 0 |
| ? " " : " A") + |
| ((mSvidWithFlags[i] & GnssStatus.GNSS_SV_FLAGS_USED_IN_FIX) == 0 |
| ? "" : "U")); |
| } |
| } |
| // return number of sets used in fix instead of total |
| updateStatus(mStatus, usedInFixCount); |
| |
| if (mNavigating && mStatus == LocationProvider.AVAILABLE && mLastFixTime > 0 && |
| System.currentTimeMillis() - mLastFixTime > RECENT_FIX_TIMEOUT) { |
| // send an intent to notify that the GPS is no longer receiving fixes. |
| Intent intent = new Intent(LocationManager.GPS_FIX_CHANGE_ACTION); |
| intent.putExtra(LocationManager.EXTRA_GPS_ENABLED, false); |
| mContext.sendBroadcastAsUser(intent, UserHandle.ALL); |
| updateStatus(LocationProvider.TEMPORARILY_UNAVAILABLE, mSvCount); |
| } |
| } |
| |
| /** |
| * called from native code to update AGPS status |
| */ |
| private void reportAGpsStatus(int type, int status, byte[] ipaddr) { |
| switch (status) { |
| case GPS_REQUEST_AGPS_DATA_CONN: |
| if (DEBUG) Log.d(TAG, "GPS_REQUEST_AGPS_DATA_CONN"); |
| Log.v(TAG, "Received SUPL IP addr[]: " + Arrays.toString(ipaddr)); |
| InetAddress connectionIpAddress = null; |
| if (ipaddr != null) { |
| try { |
| connectionIpAddress = InetAddress.getByAddress(ipaddr); |
| if (DEBUG) Log.d(TAG, "IP address converted to: " + connectionIpAddress); |
| } catch (UnknownHostException e) { |
| Log.e(TAG, "Bad IP Address: " + ipaddr, e); |
| } |
| } |
| sendMessage(REQUEST_SUPL_CONNECTION, 0 /*arg*/, connectionIpAddress); |
| break; |
| case GPS_RELEASE_AGPS_DATA_CONN: |
| if (DEBUG) Log.d(TAG, "GPS_RELEASE_AGPS_DATA_CONN"); |
| releaseSuplConnection(GPS_RELEASE_AGPS_DATA_CONN); |
| break; |
| case GPS_AGPS_DATA_CONNECTED: |
| if (DEBUG) Log.d(TAG, "GPS_AGPS_DATA_CONNECTED"); |
| break; |
| case GPS_AGPS_DATA_CONN_DONE: |
| if (DEBUG) Log.d(TAG, "GPS_AGPS_DATA_CONN_DONE"); |
| break; |
| case GPS_AGPS_DATA_CONN_FAILED: |
| if (DEBUG) Log.d(TAG, "GPS_AGPS_DATA_CONN_FAILED"); |
| break; |
| default: |
| if (DEBUG) Log.d(TAG, "Received Unknown AGPS status: " + status); |
| } |
| } |
| |
| private void releaseSuplConnection(int connStatus) { |
| sendMessage(RELEASE_SUPL_CONNECTION, connStatus, null /*obj*/); |
| } |
| |
| /** |
| * called from native code to report NMEA data received |
| */ |
| private void reportNmea(long timestamp) { |
| int length = native_read_nmea(mNmeaBuffer, mNmeaBuffer.length); |
| String nmea = new String(mNmeaBuffer, 0 /* offset */, length); |
| mListenerHelper.onNmeaReceived(timestamp, nmea); |
| } |
| |
| /** |
| * called from native code - Gps measurements callback |
| */ |
| private void reportMeasurementData(GnssMeasurementsEvent event) { |
| mGnssMeasurementsProvider.onMeasurementsAvailable(event); |
| } |
| |
| /** |
| * called from native code - GPS navigation message callback |
| */ |
| private void reportNavigationMessage(GnssNavigationMessage event) { |
| mGnssNavigationMessageProvider.onNavigationMessageAvailable(event); |
| } |
| |
| /** |
| * called from native code to inform us what the GPS engine capabilities are |
| */ |
| private void setEngineCapabilities(int capabilities) { |
| mEngineCapabilities = capabilities; |
| |
| if (hasCapability(GPS_CAPABILITY_ON_DEMAND_TIME)) { |
| mOnDemandTimeInjection = true; |
| requestUtcTime(); |
| } |
| |
| mGnssMeasurementsProvider.onCapabilitiesUpdated( |
| (capabilities & GPS_CAPABILITY_MEASUREMENTS) == GPS_CAPABILITY_MEASUREMENTS); |
| mGnssNavigationMessageProvider.onCapabilitiesUpdated( |
| (capabilities & GPS_CAPABILITY_NAV_MESSAGES) == GPS_CAPABILITY_NAV_MESSAGES); |
| } |
| |
| /** |
| * Called from native code to inform us the hardware information. |
| */ |
| private void setGnssYearOfHardware(int yearOfHardware) { |
| if (DEBUG) Log.d(TAG, "setGnssYearOfHardware called with " + yearOfHardware); |
| mYearOfHardware = yearOfHardware; |
| } |
| |
| public interface GnssSystemInfoProvider { |
| /** |
| * Returns the year of GPS hardware. |
| */ |
| int getGnssYearOfHardware(); |
| } |
| |
| /** |
| * @hide |
| */ |
| public GnssSystemInfoProvider getGnssSystemInfoProvider() { |
| return new GnssSystemInfoProvider() { |
| @Override |
| public int getGnssYearOfHardware() { |
| return mYearOfHardware; |
| } |
| }; |
| } |
| |
| /** |
| * called from native code to request XTRA data |
| */ |
| private void xtraDownloadRequest() { |
| if (DEBUG) Log.d(TAG, "xtraDownloadRequest"); |
| sendMessage(DOWNLOAD_XTRA_DATA, 0, null); |
| } |
| |
| /** |
| * Helper method to construct a location object. |
| */ |
| private Location buildLocation( |
| int flags, |
| double latitude, |
| double longitude, |
| double altitude, |
| float speed, |
| float bearing, |
| float accuracy, |
| long timestamp) { |
| Location location = new Location(LocationManager.GPS_PROVIDER); |
| if((flags & LOCATION_HAS_LAT_LONG) == LOCATION_HAS_LAT_LONG) { |
| location.setLatitude(latitude); |
| location.setLongitude(longitude); |
| location.setTime(timestamp); |
| location.setElapsedRealtimeNanos(SystemClock.elapsedRealtimeNanos()); |
| } |
| if((flags & LOCATION_HAS_ALTITUDE) == LOCATION_HAS_ALTITUDE) { |
| location.setAltitude(altitude); |
| } |
| if((flags & LOCATION_HAS_SPEED) == LOCATION_HAS_SPEED) { |
| location.setSpeed(speed); |
| } |
| if((flags & LOCATION_HAS_BEARING) == LOCATION_HAS_BEARING) { |
| location.setBearing(bearing); |
| } |
| if((flags & LOCATION_HAS_ACCURACY) == LOCATION_HAS_ACCURACY) { |
| location.setAccuracy(accuracy); |
| } |
| return location; |
| } |
| |
| /** |
| * Converts the GPS HAL status to the internal Geofence Hardware status. |
| */ |
| private int getGeofenceStatus(int status) { |
| switch(status) { |
| case GPS_GEOFENCE_OPERATION_SUCCESS: |
| return GeofenceHardware.GEOFENCE_SUCCESS; |
| case GPS_GEOFENCE_ERROR_GENERIC: |
| return GeofenceHardware.GEOFENCE_FAILURE; |
| case GPS_GEOFENCE_ERROR_ID_EXISTS: |
| return GeofenceHardware.GEOFENCE_ERROR_ID_EXISTS; |
| case GPS_GEOFENCE_ERROR_INVALID_TRANSITION: |
| return GeofenceHardware.GEOFENCE_ERROR_INVALID_TRANSITION; |
| case GPS_GEOFENCE_ERROR_TOO_MANY_GEOFENCES: |
| return GeofenceHardware.GEOFENCE_ERROR_TOO_MANY_GEOFENCES; |
| case GPS_GEOFENCE_ERROR_ID_UNKNOWN: |
| return GeofenceHardware.GEOFENCE_ERROR_ID_UNKNOWN; |
| default: |
| return -1; |
| } |
| } |
| |
| /** |
| * Called from native to report GPS Geofence transition |
| * All geofence callbacks are called on the same thread |
| */ |
| private void reportGeofenceTransition(int geofenceId, int flags, double latitude, |
| double longitude, double altitude, float speed, float bearing, float accuracy, |
| long timestamp, int transition, long transitionTimestamp) { |
| if (mGeofenceHardwareImpl == null) { |
| mGeofenceHardwareImpl = GeofenceHardwareImpl.getInstance(mContext); |
| } |
| Location location = buildLocation( |
| flags, |
| latitude, |
| longitude, |
| altitude, |
| speed, |
| bearing, |
| accuracy, |
| timestamp); |
| mGeofenceHardwareImpl.reportGeofenceTransition( |
| geofenceId, |
| location, |
| transition, |
| transitionTimestamp, |
| GeofenceHardware.MONITORING_TYPE_GPS_HARDWARE, |
| FusedBatchOptions.SourceTechnologies.GNSS); |
| } |
| |
| /** |
| * called from native code to report GPS status change. |
| */ |
| private void reportGeofenceStatus(int status, int flags, double latitude, |
| double longitude, double altitude, float speed, float bearing, float accuracy, |
| long timestamp) { |
| if (mGeofenceHardwareImpl == null) { |
| mGeofenceHardwareImpl = GeofenceHardwareImpl.getInstance(mContext); |
| } |
| Location location = buildLocation( |
| flags, |
| latitude, |
| longitude, |
| altitude, |
| speed, |
| bearing, |
| accuracy, |
| timestamp); |
| int monitorStatus = GeofenceHardware.MONITOR_CURRENTLY_UNAVAILABLE; |
| if(status == GPS_GEOFENCE_AVAILABLE) { |
| monitorStatus = GeofenceHardware.MONITOR_CURRENTLY_AVAILABLE; |
| } |
| mGeofenceHardwareImpl.reportGeofenceMonitorStatus( |
| GeofenceHardware.MONITORING_TYPE_GPS_HARDWARE, |
| monitorStatus, |
| location, |
| FusedBatchOptions.SourceTechnologies.GNSS); |
| } |
| |
| /** |
| * called from native code - Geofence Add callback |
| */ |
| private void reportGeofenceAddStatus(int geofenceId, int status) { |
| if (mGeofenceHardwareImpl == null) { |
| mGeofenceHardwareImpl = GeofenceHardwareImpl.getInstance(mContext); |
| } |
| mGeofenceHardwareImpl.reportGeofenceAddStatus(geofenceId, getGeofenceStatus(status)); |
| } |
| |
| /** |
| * called from native code - Geofence Remove callback |
| */ |
| private void reportGeofenceRemoveStatus(int geofenceId, int status) { |
| if (mGeofenceHardwareImpl == null) { |
| mGeofenceHardwareImpl = GeofenceHardwareImpl.getInstance(mContext); |
| } |
| mGeofenceHardwareImpl.reportGeofenceRemoveStatus(geofenceId, getGeofenceStatus(status)); |
| } |
| |
| /** |
| * called from native code - Geofence Pause callback |
| */ |
| private void reportGeofencePauseStatus(int geofenceId, int status) { |
| if (mGeofenceHardwareImpl == null) { |
| mGeofenceHardwareImpl = GeofenceHardwareImpl.getInstance(mContext); |
| } |
| mGeofenceHardwareImpl.reportGeofencePauseStatus(geofenceId, getGeofenceStatus(status)); |
| } |
| |
| /** |
| * called from native code - Geofence Resume callback |
| */ |
| private void reportGeofenceResumeStatus(int geofenceId, int status) { |
| if (mGeofenceHardwareImpl == null) { |
| mGeofenceHardwareImpl = GeofenceHardwareImpl.getInstance(mContext); |
| } |
| mGeofenceHardwareImpl.reportGeofenceResumeStatus(geofenceId, getGeofenceStatus(status)); |
| } |
| |
| //============================================================= |
| // NI Client support |
| //============================================================= |
| private final INetInitiatedListener mNetInitiatedListener = new INetInitiatedListener.Stub() { |
| // Sends a response for an NI request to HAL. |
| @Override |
| public boolean sendNiResponse(int notificationId, int userResponse) |
| { |
| // TODO Add Permission check |
| |
| if (DEBUG) Log.d(TAG, "sendNiResponse, notifId: " + notificationId + |
| ", response: " + userResponse); |
| native_send_ni_response(notificationId, userResponse); |
| return true; |
| } |
| }; |
| |
| public INetInitiatedListener getNetInitiatedListener() { |
| return mNetInitiatedListener; |
| } |
| |
| // Called by JNI function to report an NI request. |
| public void reportNiNotification( |
| int notificationId, |
| int niType, |
| int notifyFlags, |
| int timeout, |
| int defaultResponse, |
| String requestorId, |
| String text, |
| int requestorIdEncoding, |
| int textEncoding, |
| String extras // Encoded extra data |
| ) |
| { |
| Log.i(TAG, "reportNiNotification: entered"); |
| Log.i(TAG, "notificationId: " + notificationId + |
| ", niType: " + niType + |
| ", notifyFlags: " + notifyFlags + |
| ", timeout: " + timeout + |
| ", defaultResponse: " + defaultResponse); |
| |
| Log.i(TAG, "requestorId: " + requestorId + |
| ", text: " + text + |
| ", requestorIdEncoding: " + requestorIdEncoding + |
| ", textEncoding: " + textEncoding); |
| |
| GpsNiNotification notification = new GpsNiNotification(); |
| |
| notification.notificationId = notificationId; |
| notification.niType = niType; |
| notification.needNotify = (notifyFlags & GpsNetInitiatedHandler.GPS_NI_NEED_NOTIFY) != 0; |
| notification.needVerify = (notifyFlags & GpsNetInitiatedHandler.GPS_NI_NEED_VERIFY) != 0; |
| notification.privacyOverride = (notifyFlags & GpsNetInitiatedHandler.GPS_NI_PRIVACY_OVERRIDE) != 0; |
| notification.timeout = timeout; |
| notification.defaultResponse = defaultResponse; |
| notification.requestorId = requestorId; |
| notification.text = text; |
| notification.requestorIdEncoding = requestorIdEncoding; |
| notification.textEncoding = textEncoding; |
| |
| // Process extras, assuming the format is |
| // one of more lines of "key = value" |
| Bundle bundle = new Bundle(); |
| |
| if (extras == null) extras = ""; |
| Properties extraProp = new Properties(); |
| |
| try { |
| extraProp.load(new StringReader(extras)); |
| } |
| catch (IOException e) |
| { |
| Log.e(TAG, "reportNiNotification cannot parse extras data: " + extras); |
| } |
| |
| for (Entry<Object, Object> ent : extraProp.entrySet()) |
| { |
| bundle.putString((String) ent.getKey(), (String) ent.getValue()); |
| } |
| |
| notification.extras = bundle; |
| |
| mNIHandler.handleNiNotification(notification); |
| } |
| |
| /** |
| * Called from native code to request set id info. |
| * We should be careful about receiving null string from the TelephonyManager, |
| * because sending null String to JNI function would cause a crash. |
| */ |
| |
| private void requestSetID(int flags) { |
| TelephonyManager phone = (TelephonyManager) |
| mContext.getSystemService(Context.TELEPHONY_SERVICE); |
| int type = AGPS_SETID_TYPE_NONE; |
| String data = ""; |
| |
| if ((flags & AGPS_RIL_REQUEST_SETID_IMSI) == AGPS_RIL_REQUEST_SETID_IMSI) { |
| String data_temp = phone.getSubscriberId(); |
| if (data_temp == null) { |
| // This means the framework does not have the SIM card ready. |
| } else { |
| // This means the framework has the SIM card. |
| data = data_temp; |
| type = AGPS_SETID_TYPE_IMSI; |
| } |
| } |
| else if ((flags & AGPS_RIL_REQUEST_SETID_MSISDN) == AGPS_RIL_REQUEST_SETID_MSISDN) { |
| String data_temp = phone.getLine1Number(); |
| if (data_temp == null) { |
| // This means the framework does not have the SIM card ready. |
| } else { |
| // This means the framework has the SIM card. |
| data = data_temp; |
| type = AGPS_SETID_TYPE_MSISDN; |
| } |
| } |
| native_agps_set_id(type, data); |
| } |
| |
| /** |
| * Called from native code to request utc time info |
| */ |
| private void requestUtcTime() { |
| if (DEBUG) Log.d(TAG, "utcTimeRequest"); |
| sendMessage(INJECT_NTP_TIME, 0, null); |
| } |
| |
| /** |
| * Called from native code to request reference location info |
| */ |
| |
| private void requestRefLocation(int flags) { |
| TelephonyManager phone = (TelephonyManager) |
| mContext.getSystemService(Context.TELEPHONY_SERVICE); |
| final int phoneType = phone.getPhoneType(); |
| if (phoneType == TelephonyManager.PHONE_TYPE_GSM) { |
| GsmCellLocation gsm_cell = (GsmCellLocation) phone.getCellLocation(); |
| if ((gsm_cell != null) && (phone.getNetworkOperator() != null) |
| && (phone.getNetworkOperator().length() > 3)) { |
| int type; |
| int mcc = Integer.parseInt(phone.getNetworkOperator().substring(0,3)); |
| int mnc = Integer.parseInt(phone.getNetworkOperator().substring(3)); |
| int networkType = phone.getNetworkType(); |
| if (networkType == TelephonyManager.NETWORK_TYPE_UMTS |
| || networkType == TelephonyManager.NETWORK_TYPE_HSDPA |
| || networkType == TelephonyManager.NETWORK_TYPE_HSUPA |
| || networkType == TelephonyManager.NETWORK_TYPE_HSPA |
| || networkType == TelephonyManager.NETWORK_TYPE_HSPAP) { |
| type = AGPS_REF_LOCATION_TYPE_UMTS_CELLID; |
| } else { |
| type = AGPS_REF_LOCATION_TYPE_GSM_CELLID; |
| } |
| native_agps_set_ref_location_cellid(type, mcc, mnc, |
| gsm_cell.getLac(), gsm_cell.getCid()); |
| } else { |
| Log.e(TAG,"Error getting cell location info."); |
| } |
| } else if (phoneType == TelephonyManager.PHONE_TYPE_CDMA) { |
| Log.e(TAG, "CDMA not supported."); |
| } |
| } |
| |
| private void sendMessage(int message, int arg, Object obj) { |
| // hold a wake lock until this message is delivered |
| // note that this assumes the message will not be removed from the queue before |
| // it is handled (otherwise the wake lock would be leaked). |
| mWakeLock.acquire(); |
| Log.i(TAG, "WakeLock acquired by sendMessage(" + message + ", " + arg + ", " + obj + ")"); |
| mHandler.obtainMessage(message, arg, 1, obj).sendToTarget(); |
| } |
| |
| private final class ProviderHandler extends Handler { |
| public ProviderHandler(Looper looper) { |
| super(looper, null, true /*async*/); |
| } |
| |
| @Override |
| public void handleMessage(Message msg) { |
| int message = msg.what; |
| switch (message) { |
| case ENABLE: |
| if (msg.arg1 == 1) { |
| handleEnable(); |
| } else { |
| handleDisable(); |
| } |
| break; |
| case SET_REQUEST: |
| GpsRequest gpsRequest = (GpsRequest) msg.obj; |
| handleSetRequest(gpsRequest.request, gpsRequest.source); |
| break; |
| case UPDATE_NETWORK_STATE: |
| handleUpdateNetworkState((Network) msg.obj); |
| break; |
| case REQUEST_SUPL_CONNECTION: |
| handleRequestSuplConnection((InetAddress) msg.obj); |
| break; |
| case RELEASE_SUPL_CONNECTION: |
| handleReleaseSuplConnection(msg.arg1); |
| break; |
| case INJECT_NTP_TIME: |
| handleInjectNtpTime(); |
| break; |
| case DOWNLOAD_XTRA_DATA: |
| if (mSupportsXtra) { |
| handleDownloadXtraData(); |
| } |
| break; |
| case INJECT_NTP_TIME_FINISHED: |
| mInjectNtpTimePending = STATE_IDLE; |
| break; |
| case DOWNLOAD_XTRA_DATA_FINISHED: |
| mDownloadXtraDataPending = STATE_IDLE; |
| break; |
| case UPDATE_LOCATION: |
| handleUpdateLocation((Location) msg.obj); |
| break; |
| case SUBSCRIPTION_OR_SIM_CHANGED: |
| subscriptionOrSimChanged(mContext); |
| break; |
| case INITIALIZE_HANDLER: |
| handleInitialize(); |
| break; |
| } |
| if (msg.arg2 == 1) { |
| // wakelock was taken for this message, release it |
| mWakeLock.release(); |
| Log.i(TAG, "WakeLock released by handleMessage(" + message + ", " + msg.arg1 + ", " |
| + msg.obj + ")"); |
| } |
| } |
| |
| /** |
| * This method is bound to {@link #GnssLocationProvider(Context, ILocationManager, Looper)}. |
| * It is in charge of loading properties and registering for events that will be posted to |
| * this handler. |
| */ |
| private void handleInitialize() { |
| // load default GPS configuration |
| // (this configuration might change in the future based on SIM changes) |
| reloadGpsProperties(mContext, mProperties); |
| |
| // TODO: When this object "finishes" we should unregister by invoking |
| // SubscriptionManager.getInstance(mContext).unregister(mOnSubscriptionsChangedListener); |
| // This is not strictly necessary because it will be unregistered if the |
| // notification fails but it is good form. |
| |
| // Register for SubscriptionInfo list changes which is guaranteed |
| // to invoke onSubscriptionsChanged the first time. |
| SubscriptionManager.from(mContext) |
| .addOnSubscriptionsChangedListener(mOnSubscriptionsChangedListener); |
| |
| // listen for events |
| IntentFilter intentFilter; |
| if (native_is_agps_ril_supported()) { |
| intentFilter = new IntentFilter(); |
| intentFilter.addAction(Intents.DATA_SMS_RECEIVED_ACTION); |
| intentFilter.addDataScheme("sms"); |
| intentFilter.addDataAuthority("localhost", "7275"); |
| mContext.registerReceiver(mBroadcastReceiver, intentFilter, null, this); |
| |
| intentFilter = new IntentFilter(); |
| intentFilter.addAction(Intents.WAP_PUSH_RECEIVED_ACTION); |
| try { |
| intentFilter.addDataType("application/vnd.omaloc-supl-init"); |
| } catch (IntentFilter.MalformedMimeTypeException e) { |
| Log.w(TAG, "Malformed SUPL init mime type"); |
| } |
| mContext.registerReceiver(mBroadcastReceiver, intentFilter, null, this); |
| } else if (DEBUG) { |
| Log.d(TAG, "Skipped registration for SMS/WAP-PUSH messages because AGPS Ril in GPS" |
| + " HAL is not supported"); |
| } |
| |
| intentFilter = new IntentFilter(); |
| intentFilter.addAction(ALARM_WAKEUP); |
| intentFilter.addAction(ALARM_TIMEOUT); |
| intentFilter.addAction(PowerManager.ACTION_POWER_SAVE_MODE_CHANGED); |
| intentFilter.addAction(PowerManager.ACTION_DEVICE_IDLE_MODE_CHANGED); |
| intentFilter.addAction(Intent.ACTION_SCREEN_OFF); |
| intentFilter.addAction(Intent.ACTION_SCREEN_ON); |
| intentFilter.addAction(SIM_STATE_CHANGED); |
| mContext.registerReceiver(mBroadcastReceiver, intentFilter, null, this); |
| |
| // register for connectivity change events, this is equivalent to the deprecated way of |
| // registering for CONNECTIVITY_ACTION broadcasts |
| NetworkRequest.Builder networkRequestBuilder = new NetworkRequest.Builder(); |
| networkRequestBuilder.addTransportType(NetworkCapabilities.TRANSPORT_CELLULAR); |
| networkRequestBuilder.addTransportType(NetworkCapabilities.TRANSPORT_WIFI); |
| NetworkRequest networkRequest = networkRequestBuilder.build(); |
| mConnMgr.registerNetworkCallback(networkRequest, mNetworkConnectivityCallback); |
| |
| // listen for PASSIVE_PROVIDER updates |
| LocationManager locManager = |
| (LocationManager) mContext.getSystemService(Context.LOCATION_SERVICE); |
| long minTime = 0; |
| float minDistance = 0; |
| boolean oneShot = false; |
| LocationRequest request = LocationRequest.createFromDeprecatedProvider( |
| LocationManager.PASSIVE_PROVIDER, |
| minTime, |
| minDistance, |
| oneShot); |
| // Don't keep track of this request since it's done on behalf of other clients |
| // (which are kept track of separately). |
| request.setHideFromAppOps(true); |
| locManager.requestLocationUpdates( |
| request, |
| new NetworkLocationListener(), |
| getLooper()); |
| } |
| } |
| |
| private final class NetworkLocationListener implements LocationListener { |
| @Override |
| public void onLocationChanged(Location location) { |
| // this callback happens on mHandler looper |
| if (LocationManager.NETWORK_PROVIDER.equals(location.getProvider())) { |
| handleUpdateLocation(location); |
| } |
| } |
| @Override |
| public void onStatusChanged(String provider, int status, Bundle extras) { } |
| @Override |
| public void onProviderEnabled(String provider) { } |
| @Override |
| public void onProviderDisabled(String provider) { } |
| } |
| |
| private String getSelectedApn() { |
| Uri uri = Uri.parse("content://telephony/carriers/preferapn"); |
| Cursor cursor = null; |
| try { |
| cursor = mContext.getContentResolver().query( |
| uri, |
| new String[] { "apn" }, |
| null /* selection */, |
| null /* selectionArgs */, |
| Carriers.DEFAULT_SORT_ORDER); |
| if (cursor != null && cursor.moveToFirst()) { |
| return cursor.getString(0); |
| } else { |
| Log.e(TAG, "No APN found to select."); |
| } |
| } catch (Exception e) { |
| Log.e(TAG, "Error encountered on selecting the APN.", e); |
| } finally { |
| if (cursor != null) { |
| cursor.close(); |
| } |
| } |
| |
| return null; |
| } |
| |
| private int getApnIpType(String apn) { |
| ensureInHandlerThread(); |
| if (apn == null) { |
| return APN_INVALID; |
| } |
| |
| String selection = String.format("current = 1 and apn = '%s' and carrier_enabled = 1", apn); |
| Cursor cursor = null; |
| try { |
| cursor = mContext.getContentResolver().query( |
| Carriers.CONTENT_URI, |
| new String[] { Carriers.PROTOCOL }, |
| selection, |
| null, |
| Carriers.DEFAULT_SORT_ORDER); |
| |
| if (null != cursor && cursor.moveToFirst()) { |
| return translateToApnIpType(cursor.getString(0), apn); |
| } else { |
| Log.e(TAG, "No entry found in query for APN: " + apn); |
| } |
| } catch (Exception e) { |
| Log.e(TAG, "Error encountered on APN query for: " + apn, e); |
| } finally { |
| if (cursor != null) { |
| cursor.close(); |
| } |
| } |
| |
| return APN_INVALID; |
| } |
| |
| private int translateToApnIpType(String ipProtocol, String apn) { |
| if ("IP".equals(ipProtocol)) { |
| return APN_IPV4; |
| } |
| if ("IPV6".equals(ipProtocol)) { |
| return APN_IPV6; |
| } |
| if ("IPV4V6".equals(ipProtocol)) { |
| return APN_IPV4V6; |
| } |
| |
| // we hit the default case so the ipProtocol is not recognized |
| String message = String.format("Unknown IP Protocol: %s, for APN: %s", ipProtocol, apn); |
| Log.e(TAG, message); |
| return APN_INVALID; |
| } |
| |
| private void setRouting() { |
| if (mAGpsDataConnectionIpAddr == null) { |
| return; |
| } |
| |
| // TODO: replace the use of this deprecated API |
| boolean result = mConnMgr.requestRouteToHostAddress( |
| ConnectivityManager.TYPE_MOBILE_SUPL, |
| mAGpsDataConnectionIpAddr); |
| |
| if (!result) { |
| Log.e(TAG, "Error requesting route to host: " + mAGpsDataConnectionIpAddr); |
| } else if (DEBUG) { |
| Log.d(TAG, "Successfully requested route to host: " + mAGpsDataConnectionIpAddr); |
| } |
| } |
| |
| /** |
| * @return {@code true} if there is a data network available for outgoing connections, |
| * {@code false} otherwise. |
| */ |
| private boolean isDataNetworkConnected() { |
| NetworkInfo activeNetworkInfo = mConnMgr.getActiveNetworkInfo(); |
| return activeNetworkInfo != null && activeNetworkInfo.isConnected(); |
| } |
| |
| /** |
| * Ensures the calling function is running in the thread associated with {@link #mHandler}. |
| */ |
| private void ensureInHandlerThread() { |
| if (mHandler != null && Looper.myLooper() == mHandler.getLooper()) { |
| return; |
| } |
| throw new RuntimeException("This method must run on the Handler thread."); |
| } |
| |
| /** |
| * @return A string representing the current state stored in {@link #mAGpsDataConnectionState}. |
| */ |
| private String agpsDataConnStateAsString() { |
| switch(mAGpsDataConnectionState) { |
| case AGPS_DATA_CONNECTION_CLOSED: |
| return "CLOSED"; |
| case AGPS_DATA_CONNECTION_OPEN: |
| return "OPEN"; |
| case AGPS_DATA_CONNECTION_OPENING: |
| return "OPENING"; |
| default: |
| return "<Unknown>"; |
| } |
| } |
| |
| /** |
| * @return A string representing the given GPS_AGPS_DATA status. |
| */ |
| private String agpsDataConnStatusAsString(int agpsDataConnStatus) { |
| switch (agpsDataConnStatus) { |
| case GPS_AGPS_DATA_CONNECTED: |
| return "CONNECTED"; |
| case GPS_AGPS_DATA_CONN_DONE: |
| return "DONE"; |
| case GPS_AGPS_DATA_CONN_FAILED: |
| return "FAILED"; |
| case GPS_RELEASE_AGPS_DATA_CONN: |
| return "RELEASE"; |
| case GPS_REQUEST_AGPS_DATA_CONN: |
| return "REQUEST"; |
| default: |
| return "<Unknown>"; |
| } |
| } |
| |
| @Override |
| public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| StringBuilder s = new StringBuilder(); |
| s.append(" mFixInterval=").append(mFixInterval).append('\n'); |
| s.append(" mDisableGps (battery saver mode)=").append(mDisableGps).append('\n'); |
| s.append(" mEngineCapabilities=0x").append(Integer.toHexString(mEngineCapabilities)); |
| s.append(" ( "); |
| if (hasCapability(GPS_CAPABILITY_SCHEDULING)) s.append("SCHEDULING "); |
| if (hasCapability(GPS_CAPABILITY_MSB)) s.append("MSB "); |
| if (hasCapability(GPS_CAPABILITY_MSA)) s.append("MSA "); |
| if (hasCapability(GPS_CAPABILITY_SINGLE_SHOT)) s.append("SINGLE_SHOT "); |
| if (hasCapability(GPS_CAPABILITY_ON_DEMAND_TIME)) s.append("ON_DEMAND_TIME "); |
| if (hasCapability(GPS_CAPABILITY_GEOFENCING)) s.append("GEOFENCING "); |
| if (hasCapability(GPS_CAPABILITY_MEASUREMENTS)) s.append("MEASUREMENTS "); |
| if (hasCapability(GPS_CAPABILITY_NAV_MESSAGES)) s.append("NAV_MESSAGES "); |
| s.append(")\n"); |
| |
| s.append(native_get_internal_state()); |
| pw.append(s); |
| } |
| |
| /** |
| * A simple implementation of exponential backoff. |
| */ |
| private static final class BackOff { |
| private static final int MULTIPLIER = 2; |
| private final long mInitIntervalMillis; |
| private final long mMaxIntervalMillis; |
| private long mCurrentIntervalMillis; |
| |
| public BackOff(long initIntervalMillis, long maxIntervalMillis) { |
| mInitIntervalMillis = initIntervalMillis; |
| mMaxIntervalMillis = maxIntervalMillis; |
| |
| mCurrentIntervalMillis = mInitIntervalMillis / MULTIPLIER; |
| } |
| |
| public long nextBackoffMillis() { |
| if (mCurrentIntervalMillis > mMaxIntervalMillis) { |
| return mMaxIntervalMillis; |
| } |
| |
| mCurrentIntervalMillis *= MULTIPLIER; |
| return mCurrentIntervalMillis; |
| } |
| |
| public void reset() { |
| mCurrentIntervalMillis = mInitIntervalMillis / MULTIPLIER; |
| } |
| } |
| |
| // for GPS SV statistics |
| private static final int MAX_SVS = 64; |
| |
| // preallocated arrays, to avoid memory allocation in reportStatus() |
| private int mSvidWithFlags[] = new int[MAX_SVS]; |
| private float mCn0s[] = new float[MAX_SVS]; |
| private float mSvElevations[] = new float[MAX_SVS]; |
| private float mSvAzimuths[] = new float[MAX_SVS]; |
| private int mSvCount; |
| // preallocated to avoid memory allocation in reportNmea() |
| private byte[] mNmeaBuffer = new byte[120]; |
| |
| static { class_init_native(); } |
| private static native void class_init_native(); |
| private static native boolean native_is_supported(); |
| private static native boolean native_is_agps_ril_supported(); |
| private static native boolean native_is_gnss_configuration_supported(); |
| |
| private native boolean native_init(); |
| private native void native_cleanup(); |
| private native boolean native_set_position_mode(int mode, int recurrence, int min_interval, |
| int preferred_accuracy, int preferred_time); |
| private native boolean native_start(); |
| private native boolean native_stop(); |
| private native void native_delete_aiding_data(int flags); |
| // returns number of SVs |
| // mask[0] is ephemeris mask and mask[1] is almanac mask |
| private native int native_read_sv_status(int[] prnWithFlags, float[] cn0s, float[] elevations, |
| float[] azimuths); |
| private native int native_read_nmea(byte[] buffer, int bufferSize); |
| private native void native_inject_location(double latitude, double longitude, float accuracy); |
| |
| // XTRA Support |
| private native void native_inject_time(long time, long timeReference, int uncertainty); |
| private native boolean native_supports_xtra(); |
| private native void native_inject_xtra_data(byte[] data, int length); |
| |
| // DEBUG Support |
| private native String native_get_internal_state(); |
| |
| // AGPS Support |
| private native void native_agps_data_conn_open(String apn, int apnIpType); |
| private native void native_agps_data_conn_closed(); |
| private native void native_agps_data_conn_failed(); |
| private native void native_agps_ni_message(byte [] msg, int length); |
| private native void native_set_agps_server(int type, String hostname, int port); |
| |
| // Network-initiated (NI) Support |
| private native void native_send_ni_response(int notificationId, int userResponse); |
| |
| // AGPS ril suport |
| private native void native_agps_set_ref_location_cellid(int type, int mcc, int mnc, |
| int lac, int cid); |
| private native void native_agps_set_id(int type, String setid); |
| |
| private native void native_update_network_state(boolean connected, int type, |
| boolean roaming, boolean available, String extraInfo, String defaultAPN); |
| |
| // Hardware Geofence support. |
| private static native boolean native_is_geofence_supported(); |
| private static native boolean native_add_geofence(int geofenceId, double latitude, |
| double longitude, double radius, int lastTransition,int monitorTransitions, |
| int notificationResponsivenes, int unknownTimer); |
| private static native boolean native_remove_geofence(int geofenceId); |
| private static native boolean native_resume_geofence(int geofenceId, int transitions); |
| private static native boolean native_pause_geofence(int geofenceId); |
| |
| // Gps Hal measurements support. |
| private static native boolean native_is_measurement_supported(); |
| private native boolean native_start_measurement_collection(); |
| private native boolean native_stop_measurement_collection(); |
| |
| // Gps Navigation message support. |
| private static native boolean native_is_navigation_message_supported(); |
| private native boolean native_start_navigation_message_collection(); |
| private native boolean native_stop_navigation_message_collection(); |
| |
| // GNSS Configuration |
| private static native void native_configuration_update(String configData); |
| } |