Examples with LocationRequest android.location.LocationRequest used on opensource projects

Example 26 with LocationRequest

use of android.location.LocationRequest in project android_frameworks_base by ParanoidAndroid.

the class GeofenceManager method updateFences.

/**
     * The geofence update loop. This function removes expired fences, then tests the most
     * recently-received {@link Location} against each registered {@link GeofenceState}, sending
     * {@link Intent}s for geofences that have been tripped. It also adjusts the active location
     * update request with {@link LocationManager} as appropriate for any active geofences.
     */
// Runs on the handler.
private void updateFences() {
    List<PendingIntent> enterIntents = new LinkedList<PendingIntent>();
    List<PendingIntent> exitIntents = new LinkedList<PendingIntent>();
    synchronized (mLock) {
        mPendingUpdate = false;
        // Remove expired fences.
        removeExpiredFencesLocked();
        // Get a location to work with, either received via onLocationChanged() or
        // via LocationManager.getLastLocation().
        Location location = getFreshLocationLocked();
        // Update all fences.
        // Keep track of the distance to the nearest fence.
        double minFenceDistance = Double.MAX_VALUE;
        boolean needUpdates = false;
        for (GeofenceState state : mFences) {
            if (mBlacklist.isBlacklisted(state.mPackageName)) {
                if (D) {
                    Slog.d(TAG, "skipping geofence processing for blacklisted app: " + state.mPackageName);
                }
                continue;
            }
            int op = LocationManagerService.resolutionLevelToOp(state.mAllowedResolutionLevel);
            if (op >= 0) {
                if (mAppOps.noteOpNoThrow(AppOpsManager.OP_FINE_LOCATION, state.mUid, state.mPackageName) != AppOpsManager.MODE_ALLOWED) {
                    if (D) {
                        Slog.d(TAG, "skipping geofence processing for no op app: " + state.mPackageName);
                    }
                    continue;
                }
            }
            needUpdates = true;
            if (location != null) {
                int event = state.processLocation(location);
                if ((event & GeofenceState.FLAG_ENTER) != 0) {
                    enterIntents.add(state.mIntent);
                }
                if ((event & GeofenceState.FLAG_EXIT) != 0) {
                    exitIntents.add(state.mIntent);
                }
                // FIXME: Ideally this code should take into account the accuracy of the
                // location fix that was used to calculate the distance in the first place.
                // MAX_VALUE if unknown
                double fenceDistance = state.getDistanceToBoundary();
                if (fenceDistance < minFenceDistance) {
                    minFenceDistance = fenceDistance;
                }
            }
        }
        // Request or cancel location updates if needed.
        if (needUpdates) {
            // Request location updates.
            // Compute a location update interval based on the distance to the nearest fence.
            long intervalMs;
            if (location != null && Double.compare(minFenceDistance, Double.MAX_VALUE) != 0) {
                intervalMs = (long) Math.min(MAX_INTERVAL_MS, Math.max(MIN_INTERVAL_MS, minFenceDistance * 1000 / MAX_SPEED_M_S));
            } else {
                intervalMs = MIN_INTERVAL_MS;
            }
            if (!mReceivingLocationUpdates || mLocationUpdateInterval != intervalMs) {
                mReceivingLocationUpdates = true;
                mLocationUpdateInterval = intervalMs;
                mLastLocationUpdate = location;
                LocationRequest request = new LocationRequest();
                request.setInterval(intervalMs).setFastestInterval(0);
                mLocationManager.requestLocationUpdates(request, this, mHandler.getLooper());
            }
        } else {
            // Cancel location updates.
            if (mReceivingLocationUpdates) {
                mReceivingLocationUpdates = false;
                mLocationUpdateInterval = 0;
                mLastLocationUpdate = null;
                mLocationManager.removeUpdates(this);
            }
        }
        if (D) {
            Slog.d(TAG, "updateFences: location=" + location + ", mFences.size()=" + mFences.size() + ", mReceivingLocationUpdates=" + mReceivingLocationUpdates + ", mLocationUpdateInterval=" + mLocationUpdateInterval + ", mLastLocationUpdate=" + mLastLocationUpdate);
        }
    }
    // release lock before sending intents
    for (PendingIntent intent : exitIntents) {
        sendIntentExit(intent);
    }
    for (PendingIntent intent : enterIntents) {
        sendIntentEnter(intent);
    }
}

Example 27 with LocationRequest

use of android.location.LocationRequest in project android_frameworks_base by ParanoidAndroid.

the class GpsLocationProvider method handleSetRequest.

private void handleSetRequest(ProviderRequest request, WorkSource source) {
    boolean singleShot = false;
    // see if the request is for a single update
    if (request.locationRequests != null && request.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 : request.locationRequests) {
            if (lr.getNumUpdates() != 1) {
                singleShot = false;
            }
        }
    }
    if (DEBUG)
        Log.d(TAG, "setRequest " + request);
    if (request.reportLocation) {
        // update client uids
        updateClientUids(source);
        mFixInterval = (int) request.interval;
        // check for overflow
        if (mFixInterval != request.interval) {
            Log.w(TAG, "interval overflow: " + request.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);
    }
}

Example 28 with LocationRequest

use of android.location.LocationRequest in project android_frameworks_base by AOSPA.

the class LocationManagerService method applyRequirementsLocked.

private void applyRequirementsLocked(String provider) {
    LocationProviderInterface p = mProvidersByName.get(provider);
    if (p == null)
        return;
    ArrayList<UpdateRecord> records = mRecordsByProvider.get(provider);
    WorkSource worksource = new WorkSource();
    ProviderRequest providerRequest = new ProviderRequest();
    if (records != null) {
        for (UpdateRecord record : records) {
            if (record != null && record.mReceiver != null && isCurrentProfile(UserHandle.getUserId(record.mReceiver.mUid))) {
                if (checkLocationAccess(record.mReceiver.mPid, record.mReceiver.mUid, record.mReceiver.mPackageName, record.mReceiver.mAllowedResolutionLevel)) {
                    LocationRequest locationRequest = record.mRequest;
                    providerRequest.locationRequests.add(locationRequest);
                    if (locationRequest.getInterval() < providerRequest.interval) {
                        providerRequest.reportLocation = true;
                        providerRequest.interval = locationRequest.getInterval();
                    }
                }
            }
        }
        if (providerRequest.reportLocation) {
            // calculate who to blame for power
            // This is somewhat arbitrary. We pick a threshold interval
            // that is slightly higher that the minimum interval, and
            // spread the blame across all applications with a request
            // under that threshold.
            long thresholdInterval = (providerRequest.interval + 1000) * 3 / 2;
            for (UpdateRecord record : records) {
                if (record != null && record.mReceiver != null && isCurrentProfile(UserHandle.getUserId(record.mReceiver.mUid))) {
                    LocationRequest locationRequest = record.mRequest;
                    // client has no permission to receive location data.
                    if (!providerRequest.locationRequests.contains(locationRequest)) {
                        continue;
                    }
                    if (locationRequest.getInterval() <= thresholdInterval) {
                        if (record.mReceiver.mWorkSource != null && record.mReceiver.mWorkSource.size() > 0 && record.mReceiver.mWorkSource.getName(0) != null) {
                            // Assign blame to another work source.
                            // Can only assign blame if the WorkSource contains names.
                            worksource.add(record.mReceiver.mWorkSource);
                        } else {
                            // Assign blame to caller.
                            worksource.add(record.mReceiver.mUid, record.mReceiver.mPackageName);
                        }
                    }
                }
            }
        }
    }
    if (D)
        Log.d(TAG, "provider request: " + provider + " " + providerRequest);
    p.setRequest(providerRequest, worksource);
}

Example 29 with LocationRequest

use of android.location.LocationRequest in project android_frameworks_base by AOSPA.

the class LocationManagerService method requestGeofence.

@Override
public void requestGeofence(LocationRequest request, Geofence geofence, PendingIntent intent, String packageName) {
    if (request == null)
        request = DEFAULT_LOCATION_REQUEST;
    int allowedResolutionLevel = getCallerAllowedResolutionLevel();
    checkResolutionLevelIsSufficientForGeofenceUse(allowedResolutionLevel);
    checkPendingIntent(intent);
    checkPackageName(packageName);
    checkResolutionLevelIsSufficientForProviderUse(allowedResolutionLevel, request.getProvider());
    LocationRequest sanitizedRequest = createSanitizedRequest(request, allowedResolutionLevel);
    if (D)
        Log.d(TAG, "requestGeofence: " + sanitizedRequest + " " + geofence + " " + intent);
    // geo-fence manager uses the public location API, need to clear identity
    int uid = Binder.getCallingUid();
    // TODO: http://b/23822629
    if (UserHandle.getUserId(uid) != UserHandle.USER_SYSTEM) {
        // temporary measure until geofences work for secondary users
        Log.w(TAG, "proximity alerts are currently available only to the primary user");
        return;
    }
    long identity = Binder.clearCallingIdentity();
    try {
        mGeofenceManager.addFence(sanitizedRequest, geofence, intent, allowedResolutionLevel, uid, packageName);
    } finally {
        Binder.restoreCallingIdentity(identity);
    }
}

Example 30 with LocationRequest

use of android.location.LocationRequest in project android_frameworks_base by AOSPA.

the class GnssLocationProvider method 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);
    }
}