75 lines
2.7 KiB
Java
75 lines
2.7 KiB
Java
package eu.siacs.conversations.utils;
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import android.content.Context;
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import android.telephony.TelephonyManager;
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import android.util.Log;
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import androidx.core.content.ContextCompat;
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import org.osmdroid.util.GeoPoint;
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import java.io.BufferedReader;
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import java.io.IOException;
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import java.io.InputStreamReader;
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import java.util.Locale;
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import eu.siacs.conversations.Config;
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import eu.siacs.conversations.R;
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public class LocationProvider {
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public static final GeoPoint FALLBACK = new GeoPoint(0.0, 0.0);
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public static String getUserCountry(final Context context) {
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try {
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final TelephonyManager tm = ContextCompat.getSystemService(context, TelephonyManager.class);
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if (tm == null) {
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return getUserCountryFallback();
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}
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final String simCountry = tm.getSimCountryIso();
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if (simCountry != null && simCountry.length() == 2) { // SIM country code is available
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return simCountry.toUpperCase(Locale.US);
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} else if (tm.getPhoneType() != TelephonyManager.PHONE_TYPE_CDMA) { // device is not 3G (would be unreliable)
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String networkCountry = tm.getNetworkCountryIso();
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if (networkCountry != null && networkCountry.length() == 2) { // network country code is available
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return networkCountry.toUpperCase(Locale.US);
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}
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}
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return getUserCountryFallback();
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} catch (final Exception e) {
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return getUserCountryFallback();
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}
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}
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private static String getUserCountryFallback() {
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final Locale locale = Locale.getDefault();
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return locale.getCountry();
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}
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public static GeoPoint getGeoPoint(final Context context) {
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return getGeoPoint(context, getUserCountry(context));
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}
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public static synchronized GeoPoint getGeoPoint(final Context context, final String country) {
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try (BufferedReader reader = new BufferedReader(new InputStreamReader(context.getResources().openRawResource(R.raw.countries)))) {
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String line;
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while ((line = reader.readLine()) != null) {
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final String[] parts = line.split("\\s+", 4);
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if (parts.length == 4) {
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if (country.equalsIgnoreCase(parts[0])) {
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try {
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return new GeoPoint(Double.parseDouble(parts[1]), Double.parseDouble(parts[2]));
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} catch (final NumberFormatException e) {
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return FALLBACK;
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}
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}
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}
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}
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} catch (final IOException e) {
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Log.d(Config.LOGTAG, "unable to parse country->geo map", e);
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}
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return FALLBACK;
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}
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} |