Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 06cd22e6 authored by Ananya Latchupatula's avatar Ananya Latchupatula
Browse files

Add new shell commands for setting and getting device locales. 

adb shell cmd locale set-device-locale
adb shell cmd locale get-device-locale

Test: Manual Testing
Bug: b/394760079
Flag: NONE not needed for the new adb command
Change-Id: If07bf1acee6784c34f71b10382e1036a70e93789
parent 580acc26

services/core/java/com/android/server/locales/LocaleManagerShellCommand.java

+104 −7
Original line number Diff line number Diff line
@@ -24,11 +24,15 @@ import android.content.pm.PackageManager; 
import android.os.LocaleList;

import android.os.RemoteException;

import android.os.ShellCommand;

import android.os.SystemProperties;

import android.os.UserHandle;



import com.android.internal.app.LocalePicker;



import java.io.PrintWriter;

import java.util.HashSet;

import java.util.Locale;

import java.util.Set;



/**

 * Shell commands for {@link LocaleManagerService}
@@ -37,12 +41,17 @@ public class LocaleManagerShellCommand extends ShellCommand { 


    private final ILocaleManager mBinderService;

    private final Context mContext;

    private String[] mSupportedLocales;

    private Set<Locale> mSupportedLocalesSet;

    private static final int ERROR_NO_LOCALE_SPECIFIED = -1;

    private static final int ERROR_INVALID_LOCALE_TAG = -2;

    private static final int ERROR_FETCHING_SYSTEM_LOCALE = -3;

    private static final int ERROR_NO_SUPPORTED_LOCALES_FOUND = -4;

    private static final int SUCCESS = 0;



    LocaleManagerShellCommand(ILocaleManager localeManager, Context context) {

        mBinderService = localeManager;

        mContext = context;

        mSupportedLocales = LocalePicker.getSupportedLocales(mContext);

        mSupportedLocalesSet = new HashSet<>();

    }



    @Override
@@ -61,6 +70,10 @@ public class LocaleManagerShellCommand extends ShellCommand { 
                return runGetAppOverrideLocaleConfig();

            case "get-app-localeconfig-ignore-override":

                return runGetAppLocaleConfigIgnoreOverride();

            case "set-device-locale":

                return runSetDeviceLocale();

            case "get-device-locale":

                return runGetDeviceLocale();

            case "list-device-locales":

                return runListDeviceLocales();

            default: {
@@ -105,6 +118,13 @@ public class LocaleManagerShellCommand extends ShellCommand { 
        pw.println("    Get the locales within the override LocaleConfig for the specified app.");

        pw.println("    --user <USER_ID>: get for the given user, "

                + "the current user is used when unspecified.");

        pw.println("  set-device-locale");

        pw.println("    Set the locale of the device.");

        pw.println("    <LOCALE_NAME>: The BCP 47 language tag of the locale to set (e.g., "

                + "en-US, es, fr-CA).");

        pw.println("  get-device-locale");

        pw.println("    Get the locale of the device.");

        pw.println("    Outputs the current primary device locale as a BCP 47 language tag.");

        pw.println("  list-device-locales");

        pw.println("    List the locales of the device.");

        pw.println("    Outputs a list of all BCP 47 language tags for locales supported by the "
@@ -328,18 +348,95 @@ public class LocaleManagerShellCommand extends ShellCommand { 
        return 0;

    }



    private int runSetDeviceLocale() {

        final PrintWriter err = getErrPrintWriter();

        String inputLocaleTag = getNextArg();



        if (inputLocaleTag == null || inputLocaleTag.isEmpty()) {

            err.println("Error: no locale specified");

            return ERROR_NO_LOCALE_SPECIFIED;

        }



        final Locale requestedLocale = Locale.forLanguageTag(inputLocaleTag);

        if (requestedLocale == null

                || requestedLocale.getLanguage() == null

                || requestedLocale.getLanguage().isEmpty()

                || requestedLocale.getLanguage().equals("und")) {

            err.println("Error: Invalid locale tag: " + inputLocaleTag);

            return ERROR_INVALID_LOCALE_TAG;

        }



        loadSupportedLocales();



        if (mSupportedLocalesSet.isEmpty()) {

            err.println("Error: No supported locales found.");

            return ERROR_NO_SUPPORTED_LOCALES_FOUND;

        }



        if (mSupportedLocalesSet.contains(requestedLocale)) {

            LocalePicker.updateLocale(requestedLocale);

            return SUCCESS;

        } else {

            err.println("Error: Invalid locale tag: " + inputLocaleTag);

            return ERROR_INVALID_LOCALE_TAG;

        }

    }



    private int runGetDeviceLocale() {

        final PrintWriter err = getErrPrintWriter();

        LocaleList systemLocales = LocalePicker.getLocales();

        Locale currentLocale = null;



        if (systemLocales != null && !systemLocales.isEmpty()) {

            currentLocale = systemLocales.get(0);

        }



        if (currentLocale == null

                || currentLocale.getLanguage().isEmpty()

                || currentLocale.getLanguage().equals("und")) {

            String roProductLocale = SystemProperties.get("ro.product.locale");

            if (roProductLocale == null || roProductLocale.isEmpty()) {

                err.println("Error fetching the system locale: No system locales found.");

                return ERROR_FETCHING_SYSTEM_LOCALE;

            }

            currentLocale = Locale.forLanguageTag(roProductLocale.replace('_', '-'));

        }

        if (currentLocale == null

                || currentLocale.getLanguage().isEmpty()

                || currentLocale.getLanguage().equals("und")) {

            err.println("Error: Could not determine a valid device locale.");

            return ERROR_FETCHING_SYSTEM_LOCALE;

        }



        getOutPrintWriter().println(currentLocale.toLanguageTag());

        return SUCCESS;

    }



    private int runListDeviceLocales() {

        final PrintWriter err = getErrPrintWriter();



        if (mSupportedLocales == null || mSupportedLocales.length == 0) {

        loadSupportedLocales();



        if (mSupportedLocalesSet.isEmpty()) {

            err.println("Error: No supported locales found.");

            return -1;

            return ERROR_NO_SUPPORTED_LOCALES_FOUND;

        }



        for (String locale : mSupportedLocales) {

            getOutPrintWriter().println(locale);

        for (Locale locale : mSupportedLocalesSet) {

            getOutPrintWriter().println(locale.toLanguageTag());

        }

        return SUCCESS;

    }



    private void loadSupportedLocales() {

        if (mSupportedLocalesSet.isEmpty()) {

            String[] supportedLocales = LocalePicker.getSupportedLocales(mContext);

            if (supportedLocales != null) {

                for (String localeTag : supportedLocales) {

                    mSupportedLocalesSet.add(Locale.forLanguageTag(localeTag));

                }

            }

        }

        return 0;

    }



    private LocaleList parseOverrideLocales() {