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Helper created for European Union regulation about cookies. It checks if android device is from one of the European Union countries to show the corresponding message.
import android.content.Context;
import android.telephony.TelephonyManager;
import android.util.Log;
import java.util.Arrays;
import java.util.Locale;
/**
* Created by marta on 29/7/15.
*/
public class CountryHelper {
private static final String TAG = CountryHelper.class.getSimpleName();
//European countries ISO 3166-1 alpha-2 country codes
private static final String[] COUNTRIES = {"at", "be", "bg", "hr", "cy", "cz", "dk", "fr", "de", "gr", "hu", "ie", "it", "lv", "lt", "lu", "mt", "nl", "pl", "pt", "ro", "sk", "si", "es", "se", "gb"};
/**
* Get ISO 3166-1 alpha-2 country code for this device (or null if not available)
* @param context Context reference to get the TelephonyManager instance from
* @return country code or null
*/
public static String getUserCountry(Context context) {
try {
final TelephonyManager tm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
final String simCountry = tm.getSimCountryIso();
if (simCountry != null && simCountry.length() == 2) { // SIM country code is available
return simCountry.toLowerCase(Locale.US);
} else if (tm.getPhoneType() != TelephonyManager.PHONE_TYPE_CDMA) { // device is not 3G (would be unreliable)
String networkCountry = tm.getNetworkCountryIso();
if (networkCountry != null && networkCountry.length() == 2) { // network country code is available
return networkCountry.toLowerCase(Locale.US);
}
}
} catch (Exception e) {
Log.e(TAG, "Cannot get user country");
}
return "";
}
/**
* Checks if the device country if from the European Union
* @param context
* @return true if the device country is from the European Union false otherwise
*/
public static boolean isEuropeanCountry(Context context) {
String country = CountryHelper.getUserCountry(context);
Log.e(TAG, "country = " + country);
return Arrays.asList(COUNTRIES).contains(country);
}
}
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