Use flag to control the hierarchy tree changes

This change includes these:
Regional preferences
-Temperature
-First day of week
-Numbering system
-Footer preference

Bug: 379962955
Flag: com.android.settings.flags.regional_preferences_api_enabled
Test: check hsv and atest FirstDayOfWeekControllerTest, NumberingSystemControllerTest, TemperatureUnitControllerTest
Change-Id: Icb628640c05f1f4bb974416c35dce16a14f84a6c

tests/unit/src/com/android/settings/regionalpreferences/FirstDayOfWeekControllerTest.java

@@ -19,14 +19,18 @@ package com.android.settings.regionalpreferences;
 import static org.junit.Assert.assertEquals;
 
 import android.content.Context;
+import android.platform.test.annotations.DisableFlags;
+import android.platform.test.flag.junit.SetFlagsRule;
 import android.provider.Settings;
 
 import androidx.test.core.app.ApplicationProvider;
 
+import com.android.settings.flags.Flags;
 import com.android.settings.testutils.ResourcesUtils;
 
 import org.junit.After;
 import org.junit.Before;
+import org.junit.Rule;
 import org.junit.Test;
 
 import java.util.Locale;
@@ -37,6 +41,8 @@ public class FirstDayOfWeekControllerTest {
     private String mCacheProviderContent = "";
     private Locale mCacheLocale;
 
+    @Rule public final SetFlagsRule mSetFlagsRule = new SetFlagsRule();
+
     @Before
     public void setUp() throws Exception {
         mApplicationContext = ApplicationProvider.getApplicationContext();
@@ -54,6 +60,7 @@ public class FirstDayOfWeekControllerTest {
     }
 
     @Test
+    @DisableFlags(Flags.FLAG_REGIONAL_PREFERENCES_API_ENABLED)
     public void getSummary_hasProviderValue_resultIsWed() {
         RegionalPreferenceTestUtils.setSettingsProviderContent(mApplicationContext, "und-u-fw-wed");
 
@@ -64,6 +71,7 @@ public class FirstDayOfWeekControllerTest {
     }
 
     @Test
+    @DisableFlags(Flags.FLAG_REGIONAL_PREFERENCES_API_ENABLED)
     public void getSummary_hasProviderValue_resultIsSat() {
         RegionalPreferenceTestUtils.setSettingsProviderContent(mApplicationContext, "und-u-fw-sat");
 
@@ -74,6 +82,7 @@ public class FirstDayOfWeekControllerTest {
     }
 
     @Test
+    @DisableFlags(Flags.FLAG_REGIONAL_PREFERENCES_API_ENABLED)
     public void getSummary_noProviderValueButHasDefaultLocaleWithSubtag_resultIsSat() {
         RegionalPreferenceTestUtils.setSettingsProviderContent(mApplicationContext, "");
         Locale.setDefault(Locale.forLanguageTag("en-US-u-fw-sat"));
@@ -85,6 +94,7 @@ public class FirstDayOfWeekControllerTest {
     }
 
     @Test
+    @DisableFlags(Flags.FLAG_REGIONAL_PREFERENCES_API_ENABLED)
     public void getSummary_noProviderValueAndDefaultLocaleWithoutSubtag_resultIsdefault() {
         RegionalPreferenceTestUtils.setSettingsProviderContent(mApplicationContext, "");
         Locale.setDefault(Locale.forLanguageTag("en-US"));

tests/unit/src/com/android/settings/regionalpreferences/NumberingSystemControllerTest.java

@@ -23,22 +23,30 @@ import static org.junit.Assert.assertEquals;
 
 import android.content.Context;
 import android.os.LocaleList;
+import android.platform.test.annotations.DisableFlags;
+import android.platform.test.flag.junit.SetFlagsRule;
 
 import androidx.test.core.app.ApplicationProvider;
 
+import com.android.settings.flags.Flags;
+
 import org.junit.Before;
+import org.junit.Rule;
 import org.junit.Test;
 
 public class NumberingSystemControllerTest {
     private Context mApplicationContext;
     private NumberingSystemController mController;
 
+    @Rule public final SetFlagsRule mSetFlagsRule = new SetFlagsRule();
+
     @Before
     public void setUp() throws Exception {
         mApplicationContext = ApplicationProvider.getApplicationContext();
     }
 
     @Test
+    @DisableFlags(Flags.FLAG_REGIONAL_PREFERENCES_API_ENABLED)
     public void getAvailabilityStatus_noLocale_unavailable() {
         LocaleList.setDefault(LocaleList.forLanguageTags("en-US,zh-Hant-TW"));
         mController = new NumberingSystemController(mApplicationContext, "key");
@@ -49,6 +57,7 @@ public class NumberingSystemControllerTest {
     }
 
     @Test
+    @DisableFlags(Flags.FLAG_REGIONAL_PREFERENCES_API_ENABLED)
     public void getAvailabilityStatus_hasLocaleWithNumberingSystems_available() {
         // ar-JO has different numbering system.
         LocaleList.setDefault(LocaleList.forLanguageTags("en-US,zh-Hant-TW,ar-JO"));

tests/unit/src/com/android/settings/regionalpreferences/TemperatureUnitControllerTest.java

@@ -19,14 +19,18 @@ package com.android.settings.regionalpreferences;
 import static org.junit.Assert.assertEquals;
 
 import android.content.Context;
+import android.platform.test.annotations.DisableFlags;
+import android.platform.test.flag.junit.SetFlagsRule;
 import android.provider.Settings;
 
 import androidx.test.core.app.ApplicationProvider;
 
+import com.android.settings.flags.Flags;
 import com.android.settings.testutils.ResourcesUtils;
 
 import org.junit.After;
 import org.junit.Before;
+import org.junit.Rule;
 import org.junit.Test;
 
 import java.util.Locale;
@@ -37,6 +41,8 @@ public class TemperatureUnitControllerTest {
     private String mCacheProviderContent = "";
     private Locale mCacheLocale;
 
+    @Rule public final SetFlagsRule mSetFlagsRule = new SetFlagsRule();
+
     @Before
     public void setUp() throws Exception {
         mApplicationContext = ApplicationProvider.getApplicationContext();
@@ -54,6 +60,7 @@ public class TemperatureUnitControllerTest {
     }
 
     @Test
+    @DisableFlags(Flags.FLAG_REGIONAL_PREFERENCES_API_ENABLED)
     public void getSummary_hasProviderValue_resultIsCelsius() {
         RegionalPreferenceTestUtils.setSettingsProviderContent(
                 mApplicationContext, "und-u-mu-celsius");
@@ -65,6 +72,7 @@ public class TemperatureUnitControllerTest {
     }
 
     @Test
+    @DisableFlags(Flags.FLAG_REGIONAL_PREFERENCES_API_ENABLED)
     public void getSummary_hasProviderValue_resultIsFahrenheit() {
         RegionalPreferenceTestUtils.setSettingsProviderContent(
                 mApplicationContext, "und-u-mu-fahrenhe");
@@ -76,6 +84,7 @@ public class TemperatureUnitControllerTest {
     }
 
     @Test
+    @DisableFlags(Flags.FLAG_REGIONAL_PREFERENCES_API_ENABLED)
     public void getSummary_noProviderValueButHasDefaultLocaleWithSubtag_resultIsFahrenheit() {
         RegionalPreferenceTestUtils.setSettingsProviderContent(mApplicationContext, "");
         Locale.setDefault(Locale.forLanguageTag("en-US-u-mu-fahrenhe"));
@@ -87,6 +96,7 @@ public class TemperatureUnitControllerTest {
     }
 
     @Test
+    @DisableFlags(Flags.FLAG_REGIONAL_PREFERENCES_API_ENABLED)
     public void getSummary_noProviderValueAndDefaultLocaleWithoutSubtag_resultIsDefault() {
         RegionalPreferenceTestUtils.setSettingsProviderContent(mApplicationContext, "");
         Locale.setDefault(Locale.forLanguageTag("en-US"));