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

Example 16 with Criteria

use of android.location.Criteria in project enroscar by stanfy.

the class LocationBinder method startListening.

/**
   * Please call it from the main thread (with looper).
   * @param context context instance
   */
public void startListening(final Context context) {
    if (DEBUG) {
        Log.d(TAG, "Start location listening...");
    }
    try {
        locationManager = (LocationManager) context.getSystemService(Context.LOCATION_SERVICE);
        if (locationManager == null) {
            return;
        }
    } catch (final Exception e) {
        return;
    }
    myHandler = myLooper != null ? new MyHandler(myLooper) : new MyHandler();
    if (listener != null) {
        listener.onLocationStart();
    }
    final Location last = getLastKnown(locationManager);
    if (last != null) {
        newLocation(last);
    }
    final Criteria c = new Criteria();
    c.setAltitudeRequired(false);
    c.setSpeedRequired(false);
    c.setBearingRequired(false);
    c.setCostAllowed(false);
    c.setPowerRequirement(Criteria.POWER_LOW);
    c.setAccuracy(Criteria.ACCURACY_COARSE);
    final String coarseProvider = locationManager.getBestProvider(c, false);
    c.setPowerRequirement(Criteria.NO_REQUIREMENT);
    c.setAccuracy(Criteria.ACCURACY_FINE);
    final String fineProvider = locationManager.getBestProvider(c, false);
    if (DEBUG) {
        Log.d(TAG, "Providers " + coarseProvider + "/" + fineProvider);
    }
    final long minTime = 60000;
    final int minDistance = 50;
    if (coarseProvider != null) {
        if (DEBUG) {
            Log.d(TAG, "Register for " + coarseProvider);
        }
        locationManager.requestLocationUpdates(coarseProvider, minTime, minDistance, coarseListener);
        myHandler.sendEmptyMessageDelayed(MSG_STOP_COARSE_PROVIDER, MAX_COARSE_PROVIDER_LISTEN_TIME);
    }
    if (fineProvider != null) {
        if (DEBUG) {
            Log.d(TAG, "Register for " + fineProvider);
        }
        locationManager.requestLocationUpdates(fineProvider, minTime, minDistance, fineListener);
        myHandler.sendEmptyMessageDelayed(MSG_STOP_FINE_PROVIDER, MAX_FINE_PROVIDER_LISTEN_TIME);
    }
}

Example 17 with Criteria

use of android.location.Criteria in project AndroidSDK-RecipeBook by gabu.

the class Recipe073 method onResume.

@Override
protected void onResume() {
    super.onResume();
    // 現在の状況に最適なプロバイダを取得します。
    // Criteriaで細かい条件が指定できますが今回はデフォルトで
    String provider;
    provider = mManager.getBestProvider(new Criteria(), true);
    if (provider == null) {
    // 位置情報が取得できるプロバイダがありません。
    // Wifiにも3Gにも繋がっていないなど。
    }
    mManager.requestLocationUpdates(provider, 0, 0, this);
    // 最後に取得した位置情報を取得
    Location location = mManager.getLastKnownLocation(provider);
    if (location != null)
        onLocationChanged(location);
}

Example 18 with Criteria

use of android.location.Criteria in project gdk-compass-sample by googleglass.

the class OrientationManager method start.

/**
     * 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);
        for (String provider : providers) {
            mLocationManager.requestLocationUpdates(provider, MILLIS_BETWEEN_LOCATIONS, METERS_BETWEEN_LOCATIONS, mLocationListener, Looper.getMainLooper());
        }
        mTracking = true;
    }
}

Example 19 with Criteria

use of android.location.Criteria in project android_frameworks_base by DirtyUnicorns.

the class LocationManagerTest method testGetBestProviderEmptyCriteria.

public void testGetBestProviderEmptyCriteria() {
    String p = manager.getBestProvider(new Criteria(), true);
    assertNotNull(p);
}

Example 20 with Criteria

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

the class FusedPrintersProvider method onStartLoading.

@Override
protected void onStartLoading() {
    if (DEBUG) {
        Log.i(LOG_TAG, "onStartLoading() " + FusedPrintersProvider.this.hashCode());
    }
    mLocationManager.requestLocationUpdates(LocationRequest.create().setQuality(LocationRequest.POWER_LOW).setInterval(LOCATION_UPDATE_MS), this, Looper.getMainLooper());
    Location lastLocation = mLocationManager.getLastLocation();
    if (lastLocation != null) {
        onLocationChanged(lastLocation);
    }
    // Jumpstart location with a single forced update
    Criteria oneTimeCriteria = new Criteria();
    oneTimeCriteria.setAccuracy(Criteria.ACCURACY_FINE);
    mLocationManager.requestSingleUpdate(oneTimeCriteria, this, Looper.getMainLooper());
    // The contract is that if we already have a valid,
    // result the we have to deliver it immediately.
    (new Handler(Looper.getMainLooper())).post(new Runnable() {

        @Override
        public void run() {
            deliverResult(new ArrayList<>(mPrinters));
        }
    });
    // Always load the data to ensure discovery period is
    // started and to make sure obsolete printers are updated.
    onForceLoad();
}