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package com.mapswithme.util;
import android.annotation.SuppressLint;
import android.app.Application;
import android.content.ContentResolver;
import android.content.Context;
import android.location.Location;
import android.location.LocationManager;
import android.os.Build;
import android.os.SystemClock;
import android.provider.Settings;
import android.support.annotation.NonNull;
import android.text.TextUtils;
import android.view.Surface;
import com.mapswithme.maps.MwmApplication;
import com.mapswithme.maps.location.LocationHelper;
import com.mapswithme.util.log.Logger;
import com.mapswithme.util.log.LoggerFactory;
import java.util.List;
public class LocationUtils
{
private LocationUtils() {}
private static final Logger LOGGER = LoggerFactory.INSTANCE.getLogger(LoggerFactory.Type.LOCATION);
private static final String TAG = LocationUtils.class.getSimpleName();
/**
* Correct compass angles due to display orientation.
*/
public static double correctCompassAngle(int displayOrientation, double angle)
{
double correction = 0;
switch (displayOrientation)
{
case Surface.ROTATION_90:
correction = Math.PI / 2.0;
break;
case Surface.ROTATION_180:
correction = Math.PI;
break;
case Surface.ROTATION_270:
correction = (3.0 * Math.PI / 2.0);
break;
}
// negative values (like -1.0) should remain negative (indicates that no direction available)
if (angle >= 0.0)
angle = correctAngle(angle, correction);
return angle;
}
public static double correctAngle(double angle, double correction)
{
double res = angle + correction;
final double twoPI = 2.0 * Math.PI;
res %= twoPI;
// normalize angle into [0, 2PI]
if (res < 0.0)
res += twoPI;
return res;
}
public static boolean isExpired(Location l, long millis, long expirationMillis)
{
long timeDiff;
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1)
timeDiff = (SystemClock.elapsedRealtimeNanos() - l.getElapsedRealtimeNanos()) / 1000000;
else
timeDiff = System.currentTimeMillis() - millis;
return (timeDiff > expirationMillis);
}
public static double getDiff(Location lastLocation, Location newLocation)
{
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1)
return (newLocation.getElapsedRealtimeNanos() - lastLocation.getElapsedRealtimeNanos()) * 1.0E-9;
else
{
long time = newLocation.getTime();
long lastTime = lastLocation.getTime();
if (!isSameLocationProvider(newLocation.getProvider(), lastLocation.getProvider()))
{
// Do compare current and previous system times in case when
// we have incorrect time settings on a device.
time = System.currentTimeMillis();
lastTime = LocationHelper.INSTANCE.getSavedLocationTime();
}
return (time - lastTime) * 1.0E-3;
}
}
private static boolean isSameLocationProvider(String p1, String p2)
{
return (p1 != null && p1.equals(p2));
}
@SuppressLint("InlinedApi")
@SuppressWarnings("deprecation")
public static boolean areLocationServicesTurnedOn()
{
final ContentResolver resolver = MwmApplication.get().getContentResolver();
try
{
return Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT
? !TextUtils.isEmpty(Settings.Secure.getString(resolver, Settings.Secure.LOCATION_PROVIDERS_ALLOWED))
: Settings.Secure.getInt(resolver, Settings.Secure.LOCATION_MODE) != Settings.Secure.LOCATION_MODE_OFF;
} catch (Settings.SettingNotFoundException e)
{
e.printStackTrace();
return false;
}
}
private static void logAvailableProviders()
{
LocationManager locMngr = (LocationManager) MwmApplication.get().getSystemService(Context.LOCATION_SERVICE);
List<String> providers = locMngr.getProviders(true);
StringBuilder sb;
if (!providers.isEmpty())
{
sb = new StringBuilder("Available location providers:");
for (String provider : providers)
sb.append(" ").append(provider);
}
else
{
sb = new StringBuilder("There are no enabled location providers!");
}
LOGGER.i(TAG, sb.toString());
}
/**
*
* Use {@link #checkProvidersAvailability(Application)} instead.
*/
@SuppressWarnings("DeprecatedIsStillUsed")
@Deprecated
public static boolean checkProvidersAvailability()
{
return checkProvidersAvailability(MwmApplication.get());
}
public static boolean checkProvidersAvailability(@NonNull Application application)
{
LocationManager locationManager = (LocationManager) application.getSystemService(Context.LOCATION_SERVICE);
if (locationManager == null)
{
LOGGER.e(TAG, "This device doesn't support the location service.");
return false;
}
boolean networkEnabled = locationManager.isProviderEnabled(LocationManager.NETWORK_PROVIDER);
boolean gpsEnabled = locationManager.isProviderEnabled(LocationManager.GPS_PROVIDER);
LocationUtils.logAvailableProviders();
return networkEnabled || gpsEnabled;
}
}
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