Directly use BaseIndexableProvider

- Add function getXmlResourceId, Fragments don't need to write
xml resource id twice.
- Remove getPreferenceControllers from Indexable.java. Because it will
move to SettingsLib later for other apps which don't need this function

Bug: 135053028
Test: robolectric
Change-Id: I1e74519aecdea3dde64a5aea79f08d766dbc0003

src/com/android/settings/display/AutoBrightnessSettings.java

@@ -17,18 +17,13 @@
 package com.android.settings.display;
 
 import android.app.settings.SettingsEnums;
-import android.content.Context;
 import android.os.Bundle;
-import android.provider.SearchIndexableResource;
 
 import com.android.settings.R;
 import com.android.settings.dashboard.DashboardFragment;
 import com.android.settings.search.BaseSearchIndexProvider;
 import com.android.settingslib.search.SearchIndexable;
 
-import java.util.Arrays;
-import java.util.List;
-
 @SearchIndexable(forTarget = SearchIndexable.ALL & ~SearchIndexable.ARC)
 public class AutoBrightnessSettings extends DashboardFragment {
 
@@ -41,7 +36,7 @@ public class AutoBrightnessSettings extends DashboardFragment {
 
     @Override
     protected int getPreferenceScreenResId() {
-        return R.xml.auto_brightness_detail;
+        return SEARCH_INDEX_DATA_PROVIDER.getXmlResourceId();
     }
 
     @Override
@@ -59,14 +54,6 @@ public class AutoBrightnessSettings extends DashboardFragment {
         return R.string.help_url_auto_brightness;
     }
 
-    public static final SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
-            new BaseSearchIndexProvider() {
-                @Override
-                public List<SearchIndexableResource> getXmlResourcesToIndex(
-                        Context context, boolean enabled) {
-                    final SearchIndexableResource sir = new SearchIndexableResource(context);
-                    sir.xmlResId = R.xml.auto_brightness_detail;
-                    return Arrays.asList(sir);
-                }
-            };
+    public static final BaseSearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
+            new BaseSearchIndexProvider(R.xml.auto_brightness_detail);
 }