[Settings] Should create header again when adding it to the listview

Bug: 291545021
Test: manual
Flag: EXEMPT bugfix
Change-Id: I9d76814d98b67b1eb0078765a2b5bd6949cff446

src/com/android/settings/applications/appinfo/AppLocaleDetails.java

@@ -33,6 +33,7 @@ import android.view.View;
 import android.view.ViewGroup;
 import android.widget.TextView;
 
+import androidx.annotation.Nullable;
 import androidx.preference.Preference;
 
 import com.android.internal.app.LocaleHelper;
@@ -62,6 +63,7 @@ public class AppLocaleDetails extends SettingsPreferenceFragment {
     private LayoutPreference mPrefOfDescription;
     private Preference mPrefOfDisclaimer;
     private ApplicationInfo mApplicationInfo;
+    @Nullable private String mParentLocale;
 
     /**
      * Create a instance of AppLocaleDetails.
@@ -111,6 +113,12 @@ public class AppLocaleDetails extends SettingsPreferenceFragment {
     public void onResume() {
         super.onResume();
         refreshUi();
+        final Activity activity = getActivity();
+        if (mParentLocale != null) {
+            activity.setTitle(mParentLocale);
+        } else {
+            activity.setTitle(R.string.app_locale_picker_title);
+        }
     }
 
     private void refreshUi() {
@@ -215,4 +223,8 @@ public class AppLocaleDetails extends SettingsPreferenceFragment {
             return LocaleHelper.getDisplayName(appLocale.stripExtensions(), appLocale, true);
         }
     }
+
+    public void setParentLocale(@Nullable String localeName) {
+        mParentLocale = localeName;
+    }
 }

src/com/android/settings/localepicker/AppLocalePickerActivity.java

@@ -37,6 +37,7 @@ import android.view.View;
 import android.widget.FrameLayout;
 import android.widget.ListView;
 
+import androidx.annotation.Nullable;
 import androidx.core.app.NotificationCompat;
 import androidx.core.view.ViewCompat;
 
@@ -67,6 +68,7 @@ public class AppLocalePickerActivity extends SettingsBaseActivity
     private View mAppLocaleDetailContainer;
     private NotificationController mNotificationController;
     private MetricsFeatureProvider mMetricsFeatureProvider;
+    @Nullable private String mParentLocale;
 
     @Override
     public void onCreate(Bundle savedInstanceState) {
@@ -129,6 +131,11 @@ public class AppLocalePickerActivity extends SettingsBaseActivity
         finish();
     }
 
+    @Override
+    public void onParentLocaleSelected(LocaleStore.LocaleInfo localeInfo) {
+        mParentLocale = localeInfo.getFullNameNative();
+    }
+
     @Override
     public boolean onMenuItemActionCollapse(MenuItem item) {
         mAppBarLayout.setExpanded(false /*expanded*/, false /*animate*/);
@@ -258,6 +265,12 @@ public class AppLocalePickerActivity extends SettingsBaseActivity
                         super.onFragmentViewCreated(fm, f, v, s);
                         ListView listView = (ListView) v.findViewById(android.R.id.list);
                         if (listView != null) {
+                            if (mParentLocale != null) {
+                                mAppLocaleDetails = AppLocaleDetails.newInstance(mPackageName,
+                                        getUserId());
+                                mAppLocaleDetailContainer = launchAppLocaleDetailsPage();
+                                mAppLocaleDetails.setParentLocale(mParentLocale);
+                            }
                             listView.addHeaderView(mAppLocaleDetailContainer);
                         }
                     }