AndroidAPS/app/src/main/java/info/nightscout/utils/LocaleHelper.java
2017-02-17 16:16:20 +01:00

65 lines
2.2 KiB
Java

package info.nightscout.utils;
import android.content.Context;
import android.content.SharedPreferences;
import android.content.res.Configuration;
import android.content.res.Resources;
import android.preference.PreferenceManager;
import java.util.Locale;
/**
* This class is used to change your application locale and persist this change for the next time
* that your app is going to be used.
* <p/>
* You can also change the locale of your application on the fly by using the setLocale method.
* <p/>
* Created by gunhansancar on 07/10/15.
*/
public class LocaleHelper {
private static final String SELECTED_LANGUAGE = "Locale.Helper.Selected.Language";
public static void onCreate(Context context) {
String lang = getPersistedData(context, Locale.getDefault().getLanguage());
setLocale(context, lang);
}
public static void onCreate(Context context, String defaultLanguage) {
String lang = getPersistedData(context, defaultLanguage);
setLocale(context, lang);
}
public static String getLanguage(Context context) {
return getPersistedData(context, Locale.getDefault().getLanguage());
}
public static void setLocale(Context context, String language) {
persist(context, language);
updateResources(context, language);
}
private static String getPersistedData(Context context, String defaultLanguage) {
return SP.getString(SELECTED_LANGUAGE, defaultLanguage);
}
private static void persist(Context context, String language) {
SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(context);
SharedPreferences.Editor editor = preferences.edit();
editor.putString(SELECTED_LANGUAGE, language);
editor.apply();
}
private static void updateResources(Context context, String language) {
Locale locale = new Locale(language);
Locale.setDefault(locale);
Resources resources = context.getResources();
Configuration configuration = resources.getConfiguration();
configuration.locale = locale;
resources.updateConfiguration(configuration, resources.getDisplayMetrics());
}
}