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Commit 45137606 authored by Mihai Nita's avatar Mihai Nita
Browse files

Add APIs to access various locale lists. 

This includes APIs to get / set the user locale list,
and getters for the curated list of supported locales,
localized assets, and pseudo-locales.

Change-Id: Ie5771d769cd4a01f6404fa82f6f4f9bcb9b83a9e
Bug: 25800339
parent bb36206f

core/java/com/android/internal/app/LocalePicker.java

+48 −7
Original line number Diff line number Diff line
@@ -28,6 +28,7 @@ import android.content.res.Resources; 
import android.os.Bundle;

import android.os.RemoteException;

import android.provider.Settings;

import android.util.LocaleList;

import android.util.Log;

import android.view.LayoutInflater;

import android.view.View;
@@ -45,6 +46,7 @@ import java.util.ArrayList; 
public class LocalePicker extends ListFragment {

    private static final String TAG = "LocalePicker";

    private static final boolean DEBUG = false;

    private static final String[] pseudoLocales = { "en-XA", "ar-XB" };



    public static interface LocaleSelectionListener {

        // You can add any argument if you really need it...
@@ -57,7 +59,7 @@ public class LocalePicker extends ListFragment { 
        static final Collator sCollator = Collator.getInstance();



        String label;

        Locale locale;

        final Locale locale;



        public LocaleInfo(String label, Locale locale) {

            this.label = label;
@@ -83,17 +85,30 @@ public class LocalePicker extends ListFragment { 
        }

    }



    public static String[] getSystemAssetLocales() {

        return Resources.getSystem().getAssets().getLocales();

    }



    public static String[] getSupportedLocales(Context context) {

        return context.getResources().getStringArray(R.array.supported_locales);

    }



    public static String[] getPseudoLocales() {

        return pseudoLocales;

    }



    public static List<LocaleInfo> getAllAssetLocales(Context context, boolean isInDeveloperMode) {

        final Resources resources = context.getResources();



        final String[] locales = Resources.getSystem().getAssets().getLocales();

        final String[] locales = getSystemAssetLocales();

        List<String> localeList = new ArrayList<String>(locales.length);

        Collections.addAll(localeList, locales);



        // Don't show the pseudolocales unless we're in developer mode. http://b/17190407.

        if (!isInDeveloperMode) {

            localeList.remove("ar-XB");

            localeList.remove("en-XA");

            for (String locale : pseudoLocales) {

                localeList.remove(locale);

            }

        }



        Collections.sort(localeList);
@@ -240,13 +255,24 @@ public class LocalePicker extends ListFragment { 
    /**

     * Requests the system to update the system locale. Note that the system looks halted

     * for a while during the Locale migration, so the caller need to take care of it.

     *

     * @see #updateLocales(LocaleList)

     */

    public static void updateLocale(Locale locale) {

        updateLocales(new LocaleList(locale));

    }



    /**

     * Requests the system to update the list of system locales.

     * Note that the system looks halted for a while during the Locale migration,

     * so the caller need to take care of it.

     */

    public static void updateLocales(LocaleList locales) {

        try {

            IActivityManager am = ActivityManagerNative.getDefault();

            Configuration config = am.getConfiguration();

            final IActivityManager am = ActivityManagerNative.getDefault();

            final Configuration config = am.getConfiguration();



            config.setLocale(locale);

            config.setLocales(locales);

            config.userSetLocale = true;



            am.updateConfiguration(config);
@@ -256,4 +282,19 @@ public class LocalePicker extends ListFragment { 
            // Intentionally left blank

        }

    }



    /**

     * Get the locale list.

     *

     * @return The locale list.

     */

    public static LocaleList getLocales() {

        try {

            return ActivityManagerNative.getDefault()

                    .getConfiguration().getLocales();

        } catch (RemoteException e) {

            // If something went wrong

            return LocaleList.getDefault();

        }

    }

}