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Send broadcasts on app-locale change.

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Send below broadcasts:
1) explicit intent ACTION_LOCALE_CHANGED to app whose locale changed
2) explicit intent ACTION_APPPLICATION_LOCALE_CHANGED to installer of app
3) implicit ACTION_APPPLICATION_LOCALE_CHANGED to receivers with READ_APP_SPECIFIC_LOCALES permission

Bug: 202275007

Test: Manual; install app via adb, set the installer, grant permission
to some system app(eg. Settings). See that broadcast is received by all three receivers on app locale change.

Change-Id: Ifef25aaf3c1fde0fdf0befc4eb67cfd07186e46c
This commit is contained in:
“Ankita
2021-10-02 14:12:09 +00:00
parent 655e90e09e
commit 687adfd8fb
1 changed files with 71 additions and 2 deletions
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73
services/core/java/com/android/server/locales/LocaleManagerService.java
View File

@@ -18,11 +18,14 @@ package com.android.server.locales;
import static java.util.Objects.requireNonNull;
import android.Manifest;
import android.annotation.NonNull;
import android.annotation.UserIdInt;
import android.app.ActivityManagerInternal;
import android.app.ILocaleManager;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.PackageManagerInternal;
import android.os.Binder;
import android.os.LocaleList;
@@ -142,7 +145,6 @@ public class LocaleManagerService extends SystemService {
}
}
private void setApplicationLocalesUnchecked(@NonNull String appPackageName,
@UserIdInt int userId, @NonNull LocaleList locales) {
if (DEBUG) {
@@ -152,9 +154,76 @@ public class LocaleManagerService extends SystemService {
final ActivityTaskManagerInternal.PackageConfigurationUpdater updater =
mActivityTaskManagerInternal.createPackageConfigurationUpdater(appPackageName,
userId);
updater.setLocales(locales).commit();
boolean isSuccess = updater.setLocales(locales).commit();
//We want to send the broadcasts only if config was actually updated on commit.
if (isSuccess) {
notifyAppWhoseLocaleChanged(appPackageName, userId, locales);
notifyInstallerOfAppWhoseLocaleChanged(appPackageName, userId, locales);
notifyRegisteredReceivers(appPackageName, userId, locales);
}
}
/**
* Sends an implicit broadcast with action
* {@link android.content.Intent#ACTION_APPLICATION_LOCALE_CHANGED}
* to receivers with {@link android.Manifest.permission#READ_APP_SPECIFIC_LOCALES}.
*/
private void notifyRegisteredReceivers(String appPackageName, int userId,
LocaleList locales) {
Intent intent = createBaseIntent(Intent.ACTION_APPLICATION_LOCALE_CHANGED,
appPackageName, locales);
mContext.sendBroadcastAsUser(intent, UserHandle.of(userId),
Manifest.permission.READ_APP_SPECIFIC_LOCALES);
}
/**
* Sends an explicit broadcast with action
* {@link android.content.Intent#ACTION_APPLICATION_LOCALE_CHANGED} to
* the installer (as per {@link android.content.pm.InstallSourceInfo#getInstallingPackageName})
* of app whose locale has changed.
*
* <p><b>Note:</b> This is can be used by installers to deal with cases such as
* language-based APK Splits.
*/
private void notifyInstallerOfAppWhoseLocaleChanged(String appPackageName, int userId,
LocaleList locales) {
try {
String installingPackageName = mContext.getPackageManager()
.getInstallSourceInfo(appPackageName).getInstallingPackageName();
if (installingPackageName != null) {
Intent intent = createBaseIntent(Intent.ACTION_APPLICATION_LOCALE_CHANGED,
appPackageName, locales);
//Set package name to ensure that only installer of the app receives this intent.
intent.setPackage(installingPackageName);
mContext.sendBroadcastAsUser(intent, UserHandle.of(userId));
}
} catch (PackageManager.NameNotFoundException e) {
Slog.w(TAG, "Package not found " + appPackageName);
}
}
/**
* Sends an explicit broadcast with action {@link android.content.Intent#ACTION_LOCALE_CHANGED}
* to the app whose locale has changed.
*/
private void notifyAppWhoseLocaleChanged(String appPackageName, int userId,
LocaleList locales) {
Intent intent = createBaseIntent(Intent.ACTION_LOCALE_CHANGED, appPackageName, locales);
//Set package name to ensure that only the app whose locale changed receives this intent.
intent.setPackage(appPackageName);
intent.addFlags(Intent.FLAG_RECEIVER_VISIBLE_TO_INSTANT_APPS);
mContext.sendBroadcastAsUser(intent, UserHandle.of(userId));
}
private static Intent createBaseIntent(String intentAction, String appPackageName,
LocaleList locales) {
return new Intent(intentAction)
.putExtra(Intent.EXTRA_PACKAGE_NAME, appPackageName)
.putExtra(Intent.EXTRA_LOCALE_LIST, locales)
.addFlags(Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND
| Intent.FLAG_RECEIVER_FOREGROUND);
}
/**
* Checks if the package is owned by the calling app or not for the given user id.