[Region picker] Add new flag to SettingsProvider

 - Add a SettingsProvider flag to save the user's preferred region.

Bug: 370379278
Flag: EXEMPT trivial change
Test: Maunal test passed
Change-Id: I5c6e9d04510bc329a32d89ba4aaf035177548c9c

3 files changed, 12 insertions, 1 deletions

diff --git a/core/java/android/provider/Settings.java b/core/java/android/provider/Settings.java
index d5b525884ac1..8d054f4b1750 100644
--- a/core/java/android/provider/Settings.java
+++ b/core/java/android/provider/Settings.java
@@ -6374,6 +6374,14 @@ public final class Settings {
         public static final String LOCALE_PREFERENCES = "locale_preferences";
 
         /**
+         * User can change the region from region settings. This records user's preferred region.
+         *
+         * E.g. : if user's locale is en-US, this will record US
+         * @hide
+         */
+        public static final String PREFERRED_REGION = "preferred_region";
+
+        /**
          * Setting to enable camera flash notification feature.
          * <ul>
          *     <li> 0 = Off
@@ -6547,6 +6555,7 @@ public final class Settings {
             PRIVATE_SETTINGS.add(DEFAULT_DEVICE_FONT_SCALE);
             PRIVATE_SETTINGS.add(MOUSE_REVERSE_VERTICAL_SCROLLING);
             PRIVATE_SETTINGS.add(MOUSE_SWAP_PRIMARY_BUTTON);
+            PRIVATE_SETTINGS.add(PREFERRED_REGION);
         }
 
         /**
diff --git a/packages/SettingsProvider/src/android/provider/settings/backup/SystemSettings.java b/packages/SettingsProvider/src/android/provider/settings/backup/SystemSettings.java
index 8e7180c4dc8d..935ea2549d49 100644
--- a/packages/SettingsProvider/src/android/provider/settings/backup/SystemSettings.java
+++ b/packages/SettingsProvider/src/android/provider/settings/backup/SystemSettings.java
@@ -119,7 +119,8 @@ public class SystemSettings {
                 Settings.System.SCREEN_FLASH_NOTIFICATION_COLOR,
                 Settings.System.NOTIFICATION_COOLDOWN_ENABLED,
                 Settings.System.NOTIFICATION_COOLDOWN_ALL,
-                Settings.System.NOTIFICATION_COOLDOWN_VIBRATE_UNLOCKED
+                Settings.System.NOTIFICATION_COOLDOWN_VIBRATE_UNLOCKED,
+                Settings.System.PREFERRED_REGION
         ));
         if (Flags.backUpSmoothDisplayAndForcePeakRefreshRate()) {
             settings.add(Settings.System.PEAK_REFRESH_RATE);
diff --git a/packages/SettingsProvider/src/android/provider/settings/validators/SystemSettingsValidators.java b/packages/SettingsProvider/src/android/provider/settings/validators/SystemSettingsValidators.java
index cfc7743f0a8d..9938139293fd 100644
--- a/packages/SettingsProvider/src/android/provider/settings/validators/SystemSettingsValidators.java
+++ b/packages/SettingsProvider/src/android/provider/settings/validators/SystemSettingsValidators.java
@@ -265,5 +265,6 @@ public class SystemSettingsValidators {
         VALIDATORS.put(System.NOTIFICATION_COOLDOWN_ENABLED, BOOLEAN_VALIDATOR);
         VALIDATORS.put(System.NOTIFICATION_COOLDOWN_ALL, BOOLEAN_VALIDATOR);
         VALIDATORS.put(System.NOTIFICATION_COOLDOWN_VIBRATE_UNLOCKED, BOOLEAN_VALIDATOR);
+        VALIDATORS.put(System.PREFERRED_REGION, ANY_STRING_VALIDATOR);
     }
 }