Java Location.getTime方法代码示例

import android.location.Location; //导入方法依赖的package包/类
@NonNull
private List<Location> createLocationListBeforeEvent(Date eventDate) {
  Location[] locations = locationBuffer.toArray(new Location[locationBuffer.size()]);
  // Create current list of dates
  List<Location> currentLocationList = Arrays.asList(locations);
  // Setup list for dates before the event
  List<Location> locationsBeforeEvent = new ArrayList<>();
  // Add any events before the event date
  for (Location location : currentLocationList) {
    Date locationDate = new Date(location.getTime());
    if (locationDate.before(eventDate)) {
      locationsBeforeEvent.add(location);
    }
  }
  return locationsBeforeEvent;
}
 

import android.location.Location; //导入方法依赖的package包/类
public Location getActual() {
    updateLastLocation();
    Location bestLocation = getBestLocation();

    Location result;
    if (mLastLocation != null && bestLocation != null) {
        if ((mLastLocation.getTime() - bestLocation.getTime()) > (60 * 60 * 1000)) {
            result = mLastLocation;
            L.i("return lastLocation");
        } else {
            result = bestLocation;
            L.i("return best location");
        }
    } else {
        result = bestLocation == null ? mLastLocation : bestLocation;
        L.i(bestLocation == null ? "return lastLocation, because best is null" :
                "return bestLocation, because last is null");
    }
    return result;
}
 

import android.location.Location; //导入方法依赖的package包/类
public void onLocationChanged(final Location location) {
        if (location != null) {
// enable fake speed for tests:
            if (BuildConfig.FAKE) {
                location.setSpeed(20);
            }
            lastLocation = location;
            sendGpsMapEvent(location);
            timestamp = location.getTime();
            accuracy = (int) location.getAccuracy();
            Log.d(TAG, "onLocationChanged location: lat="
                    + location.getLatitude() + ", lon=" + location.getLongitude()
                    + ", accuracy: " + accuracy + ", state: " + getState().name());
            checkInterval(location);
        }
    }
 

import android.location.Location; //导入方法依赖的package包/类
public void add(Location loc, double weight) {
    if (loc == null)
        return;

    reportAccuracy = loc.getAccuracy();
    count++;
    //Log.d(TAG,"add() entry: weight="+weight+", count="+count);

    double lat = loc.getLatitude();
    wSumLat = wSumLat + weight;
    wSum2Lat = wSum2Lat + (weight * weight);
    double oldMean = meanLat;
    meanLat = oldMean + (weight / wSumLat) * (lat - oldMean);
    sLat = sLat + weight * (lat - oldMean) * (lat - meanLat);

    double lon = loc.getLongitude();
    wSumLon = wSumLon + weight;
    wSum2Lon = wSum2Lon + (weight * weight);
    oldMean = meanLon;
    meanLon = oldMean + (weight / wSumLon) * (lon - oldMean);
    sLon = sLon + weight * (lon - oldMean) * (lon - meanLon);

    timeMs = loc.getTime();
}
 

import android.location.Location; //导入方法依赖的package包/类
public void LandingDetected(Location l) {
    // 3 things to do:
    // a) update flight end
    if (m_leNewFlight == null) {
        Log.e(MFBConstants.LOG_TAG, "logbookentry is NULL in LandingDetected	");
        return;
    }

    // ignore any new landings after engine stop.
    if (!m_leNewFlight.FlightInProgress())
        return;

    m_leNewFlight.dtFlightEnd = new Date(l.getTime());

    // b) increment the number of landings
    m_leNewFlight.cLandings++;

    // and append the nearest route
    appendNearest(l);

    Log.w(MFBConstants.LOG_TAG, String.format("Landing received, now %d", m_leNewFlight.cLandings));

    SaveInProgressFlight();
}
 

import android.location.Location; //导入方法依赖的package包/类
/**
 * Get the current position. This can return almost immediately if the location is cached or
 * request an update, which might take a while.
 *
 * @param options map containing optional arguments: timeout (millis), maximumAge (millis) and
 *        highAccuracy (boolean)
 */
@ReactMethod
public void getCurrentPosition(
    ReadableMap options,
    final Callback success,
    Callback error) {
  LocationOptions locationOptions = LocationOptions.fromReactMap(options);

  try {
    LocationManager locationManager =
        (LocationManager) getReactApplicationContext().getSystemService(Context.LOCATION_SERVICE);
    String provider = getValidProvider(locationManager, locationOptions.highAccuracy);
    if (provider == null) {
      error.invoke(PositionError.buildError(
              PositionError.PERMISSION_DENIED,
              "No location provider available."));
      return;
    }
    Location location = locationManager.getLastKnownLocation(provider);
    if (location != null &&
        SystemClock.currentTimeMillis() - location.getTime() < locationOptions.maximumAge) {
      success.invoke(locationToMap(location));
      return;
    }
    new SingleUpdateRequest(locationManager, provider, locationOptions.timeout, success, error)
        .invoke();
  } catch (SecurityException e) {
    throwLocationPermissionMissing(e);
  }
}
 

import android.location.Location; //导入方法依赖的package包/类
/**
 * Returns the most accurate and timely previously detected location. Where
 * the last result is beyond the specified maximum distance or latency a
 * one-off location update is returned via the {@link LocationListener}
 *
 * @param minDistance
 *            - meter Minimum distance before we require a location update.
 * @param latestTime
 *            - minisecond the lastest time required between location
 *            updates.
 * @return The most accurate and / or timely previously detected location.
 */
public static Location getLastBestLocation(Application application, int minDistance, long latestTime) {
	LocationManager locationManager = (LocationManager) application
			.getSystemService(Context.LOCATION_SERVICE);
	Location bestResult = null;
	float bestAccuracy = Float.MAX_VALUE;
	long bestTime = Long.MIN_VALUE;

	// Iterate through all the providers on the system, keeping
	// note of the most accurate result within the acceptable time limit.
	// If no result is found within maxTime, return the newest Location.
	List<String> matchingProviders = locationManager.getAllProviders();
	for (String provider : matchingProviders) {
		Location location = locationManager.getLastKnownLocation(provider);

		if (location != null) {
			float accuracy = location.getAccuracy();
			long time = location.getTime();

			if ((time > latestTime && accuracy < bestAccuracy)) {
				bestResult = location;
				bestAccuracy = accuracy;
				bestTime = time;
			} else if (time < latestTime && bestAccuracy == Float.MAX_VALUE
					&& time > bestTime) {
				bestResult = location;
				bestTime = time;
			}
		}
	}


	return bestResult;
}
 

import android.location.Location; //导入方法依赖的package包/类
/**
 * Get the current position. This can return almost immediately if the location is cached or
 * request an update, which might take a while.
 *
 * @param options map containing optional arguments: timeout (millis), maximumAge (millis) and
 *        highAccuracy (boolean)
 */
@ReactMethod
public void getCurrentPosition(
    ReadableMap options,
    final Callback success,
    Callback error) {
  LocationOptions locationOptions = LocationOptions.fromReactMap(options);

  try {
    LocationManager locationManager =
        (LocationManager) getReactApplicationContext().getSystemService(Context.LOCATION_SERVICE);
    String provider = getValidProvider(locationManager, locationOptions.highAccuracy);
    if (provider == null) {
      emitError(PositionError.PERMISSION_DENIED, "No location provider available.");
      return;
    }
    Location location = locationManager.getLastKnownLocation(provider);
    if (location != null &&
        SystemClock.currentTimeMillis() - location.getTime() < locationOptions.maximumAge) {
      success.invoke(locationToMap(location));
      return;
    }
    new SingleUpdateRequest(locationManager, provider, locationOptions.timeout, success, error)
        .invoke();
  } catch (SecurityException e) {
    throwLocationPermissionMissing(e);
  }
}
 

import android.location.Location; //导入方法依赖的package包/类
@Override
public void onResume() {
    if ( this.locationManager != null && this.locationListener != null ) {

        // 各プロバイダーが利用可能かどうかをチェックする。
        this.gpsProviderEnabled = this.locationManager.isProviderEnabled( LocationManager.GPS_PROVIDER );
        this.networkProviderEnabled = this.locationManager.isProviderEnabled( LocationManager.NETWORK_PROVIDER );

        // GPSプロバイダーが有効な場合の処理。
        if ( this.gpsProviderEnabled ) {
            final Location lastKnownGPSLocation = this.locationManager.getLastKnownLocation( LocationManager.GPS_PROVIDER );
            if ( lastKnownGPSLocation != null && lastKnownGPSLocation.getTime() > System.currentTimeMillis() - LOCATION_OUTDATED_WHEN_OLDER_MS ) {
                locationListener.onLocationChanged( lastKnownGPSLocation );
            }
            if (locationManager.getProvider(LocationManager.GPS_PROVIDER)!=null) {
                this.locationManager.requestLocationUpdates( LocationManager.GPS_PROVIDER, LOCATION_UPDATE_MIN_TIME_GPS, LOCATION_UPDATE_DISTANCE_GPS, this.locationListener );
                Log.d("ProviderName", "gps");
            }
        }

        //  ネットワーク／WiFi位置情報（ネットワーク基地局）プロバイダーが有効な場合の処理。
        if ( this.networkProviderEnabled ) {
            final Location lastKnownNWLocation = this.locationManager.getLastKnownLocation( LocationManager.NETWORK_PROVIDER );
            if ( lastKnownNWLocation != null && lastKnownNWLocation.getTime() > System.currentTimeMillis() - LOCATION_OUTDATED_WHEN_OLDER_MS ) {
                locationListener.onLocationChanged( lastKnownNWLocation );
            }
            if (locationManager.getProvider(LocationManager.NETWORK_PROVIDER)!=null) {
                this.locationManager.requestLocationUpdates( LocationManager.NETWORK_PROVIDER, LOCATION_UPDATE_MIN_TIME_NW, LOCATION_UPDATE_DISTANCE_NW, this.locationListener );
                Log.d("ProviderName", "network");
            }
        }

        // ユーザーにより、位置情報が有効になっていない場合の処理。オススメ： このイベントはアプリで処理してください。例えば「new Intent( Settings.ACTION_LOCATION_SOURCE_SETTINGS )」というコードで、ユーザーを直接ロケーションに誘導するなど。
        if ( !this.gpsProviderEnabled || !this.networkProviderEnabled ) {
            Toast.makeText( this.context, "［設定］－［位置情報］で［高精度］／［バッテリー節約］などを選択してGPSおよびモバイルネットワークの両方を有効にしてください。", Toast.LENGTH_LONG ).show();
        }
    }
}
 

import android.location.Location; //导入方法依赖的package包/类
public LocationRecord(Location location) {
    super(new RecordInfo(location.getAccuracy(), location.getTime()));
    this.latitude = location.getLatitude();
    this.longitude = location.getLongitude();
    this.altitude = location.getAltitude();
    this.speed = location.getSpeed();
    this.bearing = location.getBearing();
}
 

import android.location.Location; //导入方法依赖的package包/类
public void onLocationChanged(Location location) {
    mGeomagneticField = new GeomagneticField((float) location.getLatitude(),
            (float) location.getLongitude(), (float) location.getAltitude(),
            location.getTime());
    currentLocation = mProj.LL2TM2(location.getLongitude(), location.getLatitude());
    mTvGps.setText(String.format(Locale.CHINESE, "== GPS資訊 ==\n經度=%s\n緯度=%s\n橢球高=%.2f公尺\n速度=%.2f公尺/秒\n航向:%s\nTM2 E %.2f公尺, N %.2f公尺",
            Tools.Deg2DmsStr2(location.getLongitude()),
            Tools.Deg2DmsStr2(location.getLatitude()),
            location.getAltitude(),
            location.getSpeed(),
            Tools.ang2Str(location.getBearing()),
            currentLocation[0], currentLocation[1]));

    double dx = currentLocation[0] - lastX;
    double dy = currentLocation[1]  - lastY;
    if (Math.sqrt(dx*dx + dy*dy) > 1) {
        lastX = currentLocation[0]/10; lastX *= 10;
        lastY = currentLocation[1]/10; lastY *= 10;
        List<CPDB.CP> cps = cpdb.getCp(lastX, lastY, 0);
        if (cps.size() > 0) {
            String cpMsg = "鄰近控制點:\n";
            int i=0;
            for (CPDB.CP cp : cps) {
                double dx1 = cp.x - currentLocation[0], dy1 = cp.y-currentLocation[1];
                double[] resCP = Tools.POLd(dy1, dx1);
                cpMsg += String.format(Locale.CHINESE, "%s %[email protected]%d%s\n距離=%.0f公尺\n方位=%s\n",
                        cp.number, (++i), cp.t, (cp.name.length()>0?"("+cp.name+")":""),
                        resCP[0], Tools.Deg2DmsStr2(resCP[1])
                );
            }
            mTvControllPoint.setText(cpMsg);
        }
    }
}
 

import android.location.Location; //导入方法依赖的package包/类
/**
 *
 * @param location
 */

public Kalman(Location location, double coordinateNoise) {
    final double accuracy = location.getAccuracy();
    final double coordinateNoiseDegrees = coordinateNoise * BackendService.METER_TO_DEG;
    double position, noise;
    long timeMs = location.getTime();

    // Latitude
    position = location.getLatitude();
    noise = accuracy * BackendService.METER_TO_DEG;
    mLatTracker = new Kalman1Dim(coordinateNoiseDegrees, timeMs);
    mLatTracker.setState(position, 0.0, noise);

    // Longitude
    position = location.getLongitude();
    noise = accuracy * Math.cos(Math.toRadians(location.getLatitude())) * BackendService.METER_TO_DEG;
    mLonTracker = new Kalman1Dim(coordinateNoiseDegrees, timeMs);
    mLonTracker.setState(position, 0.0, noise);

    // Altitude
    position = 0.0;
    if (location.hasAltitude()) {
        position = location.getAltitude();
        noise = accuracy;
        mAltTracker = new Kalman1Dim(ALTITUDE_NOISE, timeMs);
        mAltTracker.setState(position, 0.0, noise);
    }
    mTimeOfUpdate = timeMs;
    samples = 1;
}
 

import android.location.Location; //导入方法依赖的package包/类
public synchronized void update(Location location) {
    if (location == null)
        return;

    // Reusable
    final double accuracy = location.getAccuracy();
    double position, noise;
    long timeMs = location.getTime();

    predict(timeMs);
    mTimeOfUpdate = timeMs;
    samples++;

    // Latitude
    position = location.getLatitude();
    noise = accuracy * BackendService.METER_TO_DEG;
    mLatTracker.update(position, noise);

    // Longitude
    position = location.getLongitude();
    noise = accuracy * Math.cos(Math.toRadians(location.getLatitude())) * BackendService.METER_TO_DEG ;
    mLonTracker.update(position, noise);

    // Altitude
    if (location.hasAltitude()) {
        position = location.getAltitude();
        noise = accuracy;
        if (mAltTracker == null) {
            mAltTracker = new Kalman1Dim(ALTITUDE_NOISE, timeMs);
            mAltTracker.setState(position, 0.0, noise);
        } else {
            mAltTracker.update(position, noise);
        }
    }
}
 

import android.location.Location; //导入方法依赖的package包/类
/**
 * @param loc location object
 * @return age of event in ns
 */
public static Long getAge(Location loc) {
    if (loc == null) {
        return null;
    }
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
        return SystemClock.elapsedRealtimeNanos() - loc.getElapsedRealtimeNanos();
    } else {
        return (System.currentTimeMillis() - loc.getTime()) * 1000000L;
    }
}
 

import android.location.Location; //导入方法依赖的package包/类
public void TakeoffDetected(Location l, Boolean fIsNight) {
    if (m_leNewFlight == null) {
        Log.e(MFBConstants.LOG_TAG, "logbookentry is NULL in TakeoffDetected");
        return;
    }

    // ignore any new takeoffs after engine stop or before engine start
    if (!m_leNewFlight.FlightInProgress())
        return;

    boolean fNeedsViewRefresh = false;

    // create or increment a night-takeoff property.
    if (fIsNight) {
        m_leNewFlight.AddNightTakeoff();
        fNeedsViewRefresh = true;
    }

    if (m_delegate != null)
        m_delegate.unPauseFlight();  // don't pause in flight

    if (!m_leNewFlight.isKnownFlightStart()) {
        if (m_delegate != null)
            m_delegate.FromView();
        m_leNewFlight.dtFlightStart = new Date(l.getTime());
        appendNearest(l);
        fNeedsViewRefresh = true;
    }

    if (fNeedsViewRefresh && m_delegate != null)
        m_delegate.RefreshDetectedFields();
}