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