Java Code Examples for android.location.Criteria#setSpeedRequired()

/**
 * 获取定位参数对象
 * @return {@link Criteria}
 */
private static Criteria getCriteria() {
    Criteria criteria = new Criteria();
    // 设置定位精确度 Criteria.ACCURACY_COARSE 比较粗略, Criteria.ACCURACY_FINE 则比较精细
    criteria.setAccuracy(Criteria.ACCURACY_FINE);
    // 设置是否要求速度
    criteria.setSpeedRequired(false);
    // 设置是否允许运营商收费
    criteria.setCostAllowed(false);
    // 设置是否需要方位信息
    criteria.setBearingRequired(false);
    // 设置是否需要海拔信息
    criteria.setAltitudeRequired(false);
    // 设置对电源的需求
    criteria.setPowerRequirement(Criteria.POWER_LOW);
    return criteria;
}
 

@Override
public void onStart() {
    if (isStarted) {
        return;
    }

    Criteria criteria = new Criteria();
    criteria.setAltitudeRequired(false);
    criteria.setBearingRequired(false);
    criteria.setSpeedRequired(true);
    criteria.setCostAllowed(true);
    criteria.setAccuracy(Criteria.ACCURACY_FINE);
    criteria.setHorizontalAccuracy(translateDesiredAccuracy(mConfig.getDesiredAccuracy()));
    criteria.setPowerRequirement(Criteria.POWER_HIGH);

    try {
        locationManager.requestLocationUpdates(locationManager.getBestProvider(criteria, true), mConfig.getInterval(), mConfig.getDistanceFilter(), this);
        isStarted = true;
    } catch (SecurityException e) {
        logger.error("Security exception: {}", e.getMessage());
        this.handleSecurityException(e);
    }
}
 

/**
 * 设置定位参数
 *
 * @return {@link Criteria}
 */
private static Criteria getCriteria() {
    Criteria criteria = new Criteria();
    // 设置定位精确度 Criteria.ACCURACY_COARSE比较粗略，Criteria.ACCURACY_FINE则比较精细
    criteria.setAccuracy(Criteria.ACCURACY_FINE);
    // 设置是否要求速度
    criteria.setSpeedRequired(false);
    // 设置是否允许运营商收费
    criteria.setCostAllowed(false);
    // 设置是否需要方位信息
    criteria.setBearingRequired(false);
    // 设置是否需要海拔信息
    criteria.setAltitudeRequired(false);
    // 设置对电源的需求
    criteria.setPowerRequirement(Criteria.POWER_LOW);
    return criteria;
}
 

/**
 * 设置定位参数
 *
 * @return {@link Criteria}
 */
private static Criteria getCriteria() {
    Criteria criteria = new Criteria();
    //设置定位精确度 Criteria.ACCURACY_COARSE比较粗略，Criteria.ACCURACY_FINE则比较精细
    criteria.setAccuracy(Criteria.ACCURACY_FINE);
    //设置是否要求速度
    criteria.setSpeedRequired(false);
    // 设置是否允许运营商收费
    criteria.setCostAllowed(false);
    //设置是否需要方位信息
    criteria.setBearingRequired(false);
    //设置是否需要海拔信息
    criteria.setAltitudeRequired(false);
    // 设置对电源的需求
    criteria.setPowerRequirement(Criteria.POWER_LOW);
    return criteria;
}
 

/**
 * Given the call's options, return a Criteria object
 * that will indicate which location provider we need to use.
 * @param call
 * @return
 */
private Criteria getCriteriaForCall(PluginCall call) {
  boolean enableHighAccuracy = call.getBoolean("enableHighAccuracy", false);
  boolean altitudeRequired = call.getBoolean("altitudeRequired", false);
  boolean speedRequired = call.getBoolean("speedRequired", false);
  boolean bearingRequired = call.getBoolean("bearingRequired", false);

  int timeout = call.getInt("timeout", 30000);
  int maximumAge = call.getInt("maximumAge", 0);

  Criteria c = new Criteria();
  c.setAccuracy(enableHighAccuracy ? Criteria.ACCURACY_FINE : Criteria.ACCURACY_COARSE);
  c.setAltitudeRequired(altitudeRequired);
  c.setBearingRequired(bearingRequired);
  c.setSpeedRequired(speedRequired);
  return c;
}
 

/**
 * 设置定位参数
 *
 * @return {@link Criteria}
 */
private static Criteria getCriteria() {
    Criteria criteria = new Criteria();
    // 设置定位精确度 Criteria.ACCURACY_COARSE比较粗略，Criteria.ACCURACY_FINE则比较精细
    criteria.setAccuracy(Criteria.ACCURACY_FINE);
    // 设置是否要求速度
    criteria.setSpeedRequired(false);
    // 设置是否允许运营商收费
    criteria.setCostAllowed(false);
    // 设置是否需要方位信息
    criteria.setBearingRequired(false);
    // 设置是否需要海拔信息
    criteria.setAltitudeRequired(false);
    // 设置对电源的需求
    criteria.setPowerRequirement(Criteria.POWER_LOW);
    return criteria;
}
 

public void updateLocation() {
    try {
        mLocationManager = (LocationManager) mContext
                .getSystemService(LOCATION_SERVICE);

        Criteria criteria = new Criteria();
        criteria.setAccuracy(Criteria.ACCURACY_LOW);
        criteria.setSpeedRequired(false);
        criteria.setAltitudeRequired(false);
        criteria.setBearingRequired(false);
        criteria.setCostAllowed(true);
        criteria.setPowerRequirement(Criteria.POWER_LOW);
        String provider = mLocationManager.getBestProvider(criteria, true);
        if(provider != null) {
            mLocationManager.requestSingleUpdate(provider, this, null);
            mCanGetLocation = true;
        }
    }
    catch (SecurityException | NullPointerException e) {
        e.printStackTrace();
    }
}
 

private String getProvider(LocationManager locationManager) {
    // 构建位置查询条件
    Criteria criteria = new Criteria();
    // 查询精度：高
    criteria.setAccuracy(Criteria.ACCURACY_FINE);
    // 速度
    criteria.setSpeedRequired(false);
    // 是否查询海拨：否
    criteria.setAltitudeRequired(false);
    // 是否查询方位角:否
    criteria.setBearingRequired(false);
    // 电量要求：低
    criteria.setPowerRequirement(Criteria.POWER_LOW);
    // 返回最合适的符合条件的provider，第2个参数为true说明,如果只有一个provider是有效的,则返回当前provider
    return locationManager.getBestProvider(criteria, true);
}
 

/**
 * Initializes a new instance of {@code OrientationManager}, using the specified context to
 * access system services.
 */
public OrientationManager(SensorManager sensorManager, LocationManager locationManager) {
    mRotationMatrix = new float[16];
    mOrientation = new float[9];
    mSensorManager = sensorManager;
    mLocationManager = locationManager;
    mListeners = new LinkedHashSet<OnChangedListener>();

    Criteria criteria = new Criteria();
    criteria.setAccuracy(Criteria.ACCURACY_FINE);
    criteria.setBearingRequired(false);
    criteria.setSpeedRequired(false);

    mLocationProvider = mLocationManager.getBestProvider(criteria, true /* enabledOnly */);
}
 

/**
 * Starts tracking the user's location and orientation. After calling this method, any
 * {@link OnChangedListener}s added to this object will be notified of these events.
 */
public void start() {
    if (!mTracking) {
        mSensorManager.registerListener(mSensorListener,
                mSensorManager.getDefaultSensor(Sensor.TYPE_ROTATION_VECTOR),
                SensorManager.SENSOR_DELAY_UI);

        // The rotation vector sensor doesn't give us accuracy updates, so we observe the
        // magnetic field sensor solely for those.
        mSensorManager.registerListener(mSensorListener,
                mSensorManager.getDefaultSensor(Sensor.TYPE_MAGNETIC_FIELD),
                SensorManager.SENSOR_DELAY_UI);

        Location lastLocation = mLocationManager
                .getLastKnownLocation(LocationManager.PASSIVE_PROVIDER);
        if (lastLocation != null) {
            long locationAge = lastLocation.getTime() - System.currentTimeMillis();
            if (locationAge < MAX_LOCATION_AGE_MILLIS) {
                mLocation = lastLocation;
                updateGeomagneticField();
            }
        }

        Criteria criteria = new Criteria();
        criteria.setAccuracy(Criteria.ACCURACY_FINE);
        criteria.setBearingRequired(false);
        criteria.setSpeedRequired(false);

        List<String> providers =
                mLocationManager.getProviders(criteria, true /* enabledOnly */);
        for (String provider : providers) {
            mLocationManager.requestLocationUpdates(provider,
                    MILLIS_BETWEEN_LOCATIONS, METERS_BETWEEN_LOCATIONS, mLocationListener,
                    Looper.getMainLooper());
        }

        mTracking = true;
    }
}
 

/**
 * Starts tracking the user's location and orientation. After calling this method, any
 * {@link OnChangedListener}s added to this object will be notified of these events.
 */
public void start() {
    if (!mTracking) {
        mSensorManager.registerListener(mSensorListener,
                mSensorManager.getDefaultSensor(Sensor.TYPE_ROTATION_VECTOR),
                SensorManager.SENSOR_DELAY_UI);

        // The rotation vector sensor doesn't give us accuracy updates, so we observe the
        // magnetic field sensor solely for those.
        mSensorManager.registerListener(mSensorListener,
                mSensorManager.getDefaultSensor(Sensor.TYPE_MAGNETIC_FIELD),
                SensorManager.SENSOR_DELAY_UI);

        Location lastLocation = mLocationManager
                .getLastKnownLocation(LocationManager.PASSIVE_PROVIDER);
        if (lastLocation != null) {
            long locationAge = lastLocation.getTime() - System.currentTimeMillis();
            if (locationAge < MAX_LOCATION_AGE_MILLIS) {
                mLocation = lastLocation;
                updateGeomagneticField();
            }
        }

        Criteria criteria = new Criteria();
        criteria.setAccuracy(Criteria.ACCURACY_FINE);
        criteria.setBearingRequired(false);
        criteria.setSpeedRequired(false);

        List<String> providers =
                mLocationManager.getProviders(criteria, true /* enabledOnly */);
        for (String provider : providers) {
            mLocationManager.requestLocationUpdates(provider,                        MILLIS_BETWEEN_LOCATIONS, METERS_BETWEEN_LOCATIONS, mLocationListener,
            Looper.getMainLooper());
        }

        mTracking = true;
    }
}
 

/**
 * Helper method to create a criteria for location change listener
 *
 * @return criteria constructed for the listener
 */
private Criteria getCriteria() {
    Criteria criteria = new Criteria();
    criteria.setPowerRequirement(Criteria.POWER_LOW);
    criteria.setAccuracy(Criteria.ACCURACY_FINE);
    criteria.setAltitudeRequired(false);
    criteria.setBearingRequired(true);
    criteria.setCostAllowed(true);
    criteria.setSpeedRequired(true);
    return criteria;
}
 

private String findProvider(boolean includeNetwork) {
    String providerName = null;
    Criteria criteria = new Criteria();
    criteria.setSpeedRequired(true);
    criteria.setAltitudeRequired(true);

    LocationProvider provider;
    boolean enabled;

    if (includeNetwork) {
        provider = locationManager.getProvider(LocationManager.NETWORK_PROVIDER);
        enabled = locationManager.isProviderEnabled(LocationManager.NETWORK_PROVIDER);
        if (provider != null && enabled) {
            providerName = provider.getName();
        } else {
            providerName = locationManager.getBestProvider(criteria, true);
        }
    }

    if (providerName == null) {
        // If GPS provider, then create and start GPS listener
        provider = locationManager.getProvider(LocationManager.GPS_PROVIDER);
        enabled = locationManager.isProviderEnabled(LocationManager.GPS_PROVIDER);
        if (provider != null && enabled) {
            providerName = provider.getName();
        }
    }
    return providerName;
}
 

@Override
public void onCreate() {
    super.onCreate();
    Log.i(TAG, "OnCreate");

    toneGenerator           = new ToneGenerator(AudioManager.STREAM_NOTIFICATION, 100);
    notificationManager     = (NotificationManager)this.getSystemService(Context.NOTIFICATION_SERVICE);
    connectivityManager     = (ConnectivityManager)getSystemService(Context.CONNECTIVITY_SERVICE);

    // Location Update PI
    Intent locationUpdateIntent = new Intent(Constants.LOCATION_UPDATE);
    locationUpdatePI = PendingIntent.getBroadcast(this, 9001, locationUpdateIntent, PendingIntent.FLAG_UPDATE_CURRENT);
    registerReceiver(locationUpdateReceiver, new IntentFilter(Constants.LOCATION_UPDATE));

    Intent detectedActivitiesIntent = new Intent(Constants.DETECTED_ACTIVITY_UPDATE);
    detectedActivitiesPI = PendingIntent.getBroadcast(this, 9002, detectedActivitiesIntent, PendingIntent.FLAG_UPDATE_CURRENT);
    registerReceiver(detectedActivitiesReceiver, new IntentFilter(Constants.DETECTED_ACTIVITY_UPDATE));

    // Receivers for start/stop recording
    registerReceiver(startRecordingReceiver, new IntentFilter(Constants.START_RECORDING));
    registerReceiver(stopRecordingReceiver, new IntentFilter(Constants.STOP_RECORDING));
    registerReceiver(startAggressiveReceiver, new IntentFilter(Constants.CHANGE_AGGRESSIVE));

    // Location criteria
    criteria = new Criteria();
    criteria.setAltitudeRequired(false);
    criteria.setBearingRequired(false);
    criteria.setSpeedRequired(true);
    criteria.setCostAllowed(true);
}
 

static Criteria getCriteria() {
    Criteria criteria = new Criteria();
    criteria.setAltitudeRequired(false);
    criteria.setBearingRequired(false);
    criteria.setCostAllowed(false);
    criteria.setSpeedRequired(false);
    criteria.setAccuracy(Criteria.NO_REQUIREMENT);
    return criteria;
}
 

@Override
public void onCreate() {
    super.onCreate();

    locationManager = (LocationManager) mContext.getSystemService(Context.LOCATION_SERVICE);
    alarmManager = (AlarmManager) mContext.getSystemService(Context.ALARM_SERVICE);

    // Stop-detection PI
    stationaryAlarmPI = PendingIntent.getBroadcast(mContext, 0, new Intent(STATIONARY_ALARM_ACTION), 0);
    registerReceiver(stationaryAlarmReceiver, new IntentFilter(STATIONARY_ALARM_ACTION));

    // Stationary region PI
    stationaryRegionPI = PendingIntent.getBroadcast(mContext, 0, new Intent(STATIONARY_REGION_ACTION), PendingIntent.FLAG_CANCEL_CURRENT);
    registerReceiver(stationaryRegionReceiver, new IntentFilter(STATIONARY_REGION_ACTION));

    // Stationary location monitor PI
    stationaryLocationPollingPI = PendingIntent.getBroadcast(mContext, 0, new Intent(STATIONARY_LOCATION_MONITOR_ACTION), 0);
    registerReceiver(stationaryLocationMonitorReceiver, new IntentFilter(STATIONARY_LOCATION_MONITOR_ACTION));

    // One-shot PI (TODO currently unused)
    singleUpdatePI = PendingIntent.getBroadcast(mContext, 0, new Intent(SINGLE_LOCATION_UPDATE_ACTION), PendingIntent.FLAG_CANCEL_CURRENT);
    registerReceiver(singleUpdateReceiver, new IntentFilter(SINGLE_LOCATION_UPDATE_ACTION));

    // Location criteria
    criteria = new Criteria();
    criteria.setAltitudeRequired(false);
    criteria.setBearingRequired(false);
    criteria.setSpeedRequired(true);
    criteria.setCostAllowed(true);
}
 

/**
 * @return Name of location provider
 */
private String getProviderName() {
    Criteria criteria = new Criteria();
    criteria.setSpeedRequired(true);
    return mLocationManager.getBestProvider(criteria, true);
}