Finished adding advanced preferences.

app/src/main/java/ml/docilealligator/infinityforreddit/AsyncTask/DeleteAllPostLayoutsAsyncTask.java

@@ -0,0 +1,57 @@
+package ml.docilealligator.infinityforreddit.AsyncTask;
+
+import android.content.SharedPreferences;
+import android.os.AsyncTask;
+
+import java.util.Map;
+
+import ml.docilealligator.infinityforreddit.Utils.SharedPreferencesUtils;
+
+public class DeleteAllPostLayoutsAsyncTask extends AsyncTask<Void, Void, Void> {
+
+    private SharedPreferences defaultSharedPreferences;
+    private SharedPreferences postLayoutSharedPreferences;
+    private DeleteAllPostLayoutsAsyncTaskListener deleteAllPostLayoutsAsyncTaskListener;
+
+    public interface DeleteAllPostLayoutsAsyncTaskListener {
+        void success();
+    }
+
+    public DeleteAllPostLayoutsAsyncTask(SharedPreferences defaultSharedPreferences,
+                                         SharedPreferences postLayoutSharedPreferences,
+                                         DeleteAllPostLayoutsAsyncTaskListener deleteAllPostLayoutsAsyncTaskListener) {
+        this.defaultSharedPreferences = defaultSharedPreferences;
+        this.postLayoutSharedPreferences = postLayoutSharedPreferences;
+        this.deleteAllPostLayoutsAsyncTaskListener = deleteAllPostLayoutsAsyncTaskListener;
+    }
+
+    @Override
+    protected Void doInBackground(Void... voids) {
+        Map<String,?> keys = defaultSharedPreferences.getAll();
+        SharedPreferences.Editor editor = defaultSharedPreferences.edit();
+
+        for(Map.Entry<String,?> entry : keys.entrySet()){
+            String key = entry.getKey();
+            if (key.startsWith(SharedPreferencesUtils.POST_LAYOUT_SHARED_PREFERENCES_FILE)
+                    || key.startsWith(SharedPreferencesUtils.POST_LAYOUT_FRONT_PAGE_POST)
+                    || key.startsWith(SharedPreferencesUtils.POST_LAYOUT_POPULAR_POST)
+                    || key.startsWith(SharedPreferencesUtils.POST_LAYOUT_ALL_POST)
+                    || key.startsWith(SharedPreferencesUtils.POST_LAYOUT_SUBREDDIT_POST_BASE)
+                    || key.startsWith(SharedPreferencesUtils.POST_LAYOUT_MULTI_REDDIT_POST_BASE)
+                    || key.startsWith(SharedPreferencesUtils.POST_LAYOUT_USER_POST_BASE)
+                    || key.startsWith(SharedPreferencesUtils.POST_LAYOUT_SEARCH_POST)) {
+                editor.remove(key);
+            }
+        }
+        editor.apply();
+
+        postLayoutSharedPreferences.edit().clear().apply();
+        return null;
+    }
+
+    @Override
+    protected void onPostExecute(Void aVoid) {
+        super.onPostExecute(aVoid);
+        deleteAllPostLayoutsAsyncTaskListener.success();
+    }
+}

app/src/main/java/ml/docilealligator/infinityforreddit/AsyncTask/DeleteAllSortTypesAsyncTask.java

@@ -0,0 +1,58 @@
+package ml.docilealligator.infinityforreddit.AsyncTask;
+
+import android.content.SharedPreferences;
+import android.os.AsyncTask;
+
+import java.util.Map;
+
+import ml.docilealligator.infinityforreddit.Utils.SharedPreferencesUtils;
+
+public class DeleteAllSortTypesAsyncTask extends AsyncTask<Void, Void, Void> {
+    private SharedPreferences defaultSharedPreferences;
+    private SharedPreferences sortTypeSharedPreferences;
+    private DeleteAllSortTypesAsyncTaskListener deleteAllSortTypesAsyncTaskListener;
+
+    public interface DeleteAllSortTypesAsyncTaskListener {
+        void success();
+    }
+
+    public DeleteAllSortTypesAsyncTask(SharedPreferences defaultSharedPreferences,
+                                       SharedPreferences sortTypeSharedPreferences,
+                                       DeleteAllSortTypesAsyncTaskListener deleteAllSortTypesAsyncTaskListener) {
+        this.defaultSharedPreferences = defaultSharedPreferences;
+        this.sortTypeSharedPreferences = sortTypeSharedPreferences;
+        this.deleteAllSortTypesAsyncTaskListener = deleteAllSortTypesAsyncTaskListener;
+    }
+
+    @Override
+    protected Void doInBackground(Void... voids) {
+        Map<String,?> keys = defaultSharedPreferences.getAll();
+        SharedPreferences.Editor editor = defaultSharedPreferences.edit();
+
+        for(Map.Entry<String,?> entry : keys.entrySet()){
+            String key = entry.getKey();
+            if (key.startsWith(SharedPreferencesUtils.SORT_TYPE_BEST_POST) || key.startsWith(SharedPreferencesUtils.SORT_TIME_BEST_POST)
+                    || key.startsWith(SharedPreferencesUtils.SORT_TYPE_ALL_POST) || key.startsWith(SharedPreferencesUtils.SORT_TIME_ALL_POST)
+                    || key.startsWith(SharedPreferencesUtils.SORT_TYPE_POPULAR_POST) || key.startsWith(SharedPreferencesUtils.SORT_TIME_POPULAR_POST)
+                    || key.startsWith(SharedPreferencesUtils.SORT_TYPE_SEARCH_POST) || key.startsWith(SharedPreferencesUtils.SORT_TIME_SEARCH_POST)
+                    || key.startsWith(SharedPreferencesUtils.SORT_TYPE_SUBREDDIT_POST_BASE) || key.startsWith(SharedPreferencesUtils.SORT_TIME_SUBREDDIT_POST_BASE)
+                    || key.startsWith(SharedPreferencesUtils.SORT_TYPE_MULTI_REDDIT_POST_BASE) || key.startsWith(SharedPreferencesUtils.SORT_TIME_MULTI_REDDIT_POST_BASE)
+                    || key.startsWith(SharedPreferencesUtils.SORT_TYPE_USER_POST_BASE) || key.startsWith(SharedPreferencesUtils.SORT_TIME_USER_POST_BASE)
+                    || key.startsWith(SharedPreferencesUtils.SORT_TYPE_USER_COMMENT) || key.startsWith(SharedPreferencesUtils.SORT_TIME_USER_COMMENT)
+                    || key.startsWith(SharedPreferencesUtils.SORT_TYPE_SEARCH_SUBREDDIT) || key.startsWith(SharedPreferencesUtils.SORT_TYPE_SEARCH_USER)
+                    || key.startsWith(SharedPreferencesUtils.SORT_TYPE_POST_COMMENT)) {
+                editor.remove(key);
+            }
+        }
+        editor.apply();
+
+        sortTypeSharedPreferences.edit().clear().apply();
+        return null;
+    }
+
+    @Override
+    protected void onPostExecute(Void aVoid) {
+        super.onPostExecute(aVoid);
+        deleteAllSortTypesAsyncTaskListener.success();
+    }
+}

app/src/main/java/ml/docilealligator/infinityforreddit/AsyncTask/DeleteAllThemesAsyncTask.java

@@ -0,0 +1,45 @@
+package ml.docilealligator.infinityforreddit.AsyncTask;
+
+import android.content.SharedPreferences;
+import android.os.AsyncTask;
+
+import ml.docilealligator.infinityforreddit.RedditDataRoomDatabase;
+
+public class DeleteAllThemesAsyncTask extends AsyncTask<Void, Void, Void> {
+    private RedditDataRoomDatabase redditDataRoomDatabase;
+    private SharedPreferences lightThemeSharedPreferences;
+    private SharedPreferences darkThemeSharedPreferences;
+    private SharedPreferences amoledThemeSharedPreferences;
+    private DeleteAllThemesAsyncTaskListener deleteAllThemesAsyncTaskListener;
+
+    public interface DeleteAllThemesAsyncTaskListener {
+        void success();
+    }
+
+    public DeleteAllThemesAsyncTask(RedditDataRoomDatabase redditDataRoomDatabase,
+                                    SharedPreferences lightThemeSharedPreferences,
+                                    SharedPreferences darkThemeSharedPreferences,
+                                    SharedPreferences amoledThemeSharedPreferences,
+                                    DeleteAllThemesAsyncTaskListener deleteAllThemesAsyncTaskListener) {
+        this.redditDataRoomDatabase = redditDataRoomDatabase;
+        this.lightThemeSharedPreferences = lightThemeSharedPreferences;
+        this.darkThemeSharedPreferences = darkThemeSharedPreferences;
+        this.amoledThemeSharedPreferences = amoledThemeSharedPreferences;
+        this.deleteAllThemesAsyncTaskListener = deleteAllThemesAsyncTaskListener;
+    }
+
+    @Override
+    protected Void doInBackground(Void... voids) {
+        redditDataRoomDatabase.customThemeDao().deleteAllCustomThemes();
+        lightThemeSharedPreferences.edit().clear().apply();
+        darkThemeSharedPreferences.edit().clear().apply();
+        amoledThemeSharedPreferences.edit().clear().apply();
+        return null;
+    }
+
+    @Override
+    protected void onPostExecute(Void aVoid) {
+        super.onPostExecute(aVoid);
+        deleteAllThemesAsyncTaskListener.success();
+    }
+}

app/src/main/java/ml/docilealligator/infinityforreddit/AsyncTask/InsertCustomThemeAsyncTask.java

@@ -49,19 +49,19 @@ public class InsertCustomThemeAsyncTask extends AsyncTask<Void, Void, Void> {
         if (customTheme.isLightTheme) {
             redditDataRoomDatabase.customThemeDao().unsetLightTheme();
             CustomThemeSharedPreferencesUtils.insertThemeToSharedPreferences(customTheme, lightThemeSharedPreferences);
-        } else if (previousTheme.isLightTheme) {
+        } else if (previousTheme != null && previousTheme.isLightTheme) {
             lightThemeSharedPreferences.edit().clear().apply();
         }
         if (customTheme.isDarkTheme) {
             redditDataRoomDatabase.customThemeDao().unsetDarkTheme();
             CustomThemeSharedPreferencesUtils.insertThemeToSharedPreferences(customTheme, darkThemeSharedPreferences);
-        } else if (previousTheme.isDarkTheme) {
+        } else if (previousTheme != null && previousTheme.isDarkTheme) {
             darkThemeSharedPreferences.edit().clear().apply();
         }
         if (customTheme.isAmoledTheme) {
             redditDataRoomDatabase.customThemeDao().unsetAmoledTheme();
             CustomThemeSharedPreferencesUtils.insertThemeToSharedPreferences(customTheme, amoledThemeSharedPreferences);
-        } else if (previousTheme.isAmoledTheme) {
+        } else if (previousTheme != null && previousTheme.isAmoledTheme) {
             amoledThemeSharedPreferences.edit().clear().apply();
         }
         redditDataRoomDatabase.customThemeDao().insert(customTheme);

app/src/main/java/ml/docilealligator/infinityforreddit/CustomTheme/CustomThemeDao.java

@@ -51,4 +51,7 @@ public interface CustomThemeDao {
 
     @Query("UPDATE custom_themes SET name = :newName WHERE name = :oldName")
     void updateName(String oldName, String newName);
+
+    @Query("DELETE FROM custom_themes")
+    void deleteAllCustomThemes();
 }

app/src/main/java/ml/docilealligator/infinityforreddit/Settings/AdvancedPreferenceFragment.java

@@ -12,11 +12,19 @@ import androidx.fragment.app.Fragment;
 import androidx.preference.Preference;
 import androidx.preference.PreferenceFragmentCompat;
 
+import com.google.android.material.dialog.MaterialAlertDialogBuilder;
+
+import org.greenrobot.eventbus.EventBus;
+
 import javax.inject.Inject;
 import javax.inject.Named;
 
+import ml.docilealligator.infinityforreddit.AsyncTask.DeleteAllPostLayoutsAsyncTask;
+import ml.docilealligator.infinityforreddit.AsyncTask.DeleteAllSortTypesAsyncTask;
 import ml.docilealligator.infinityforreddit.AsyncTask.DeleteAllSubredditsAsyncTask;
+import ml.docilealligator.infinityforreddit.AsyncTask.DeleteAllThemesAsyncTask;
 import ml.docilealligator.infinityforreddit.AsyncTask.DeleteAllUsersAsyncTask;
+import ml.docilealligator.infinityforreddit.Event.RecreateActivityEvent;
 import ml.docilealligator.infinityforreddit.Infinity;
 import ml.docilealligator.infinityforreddit.R;
 import ml.docilealligator.infinityforreddit.RedditDataRoomDatabase;
@@ -32,6 +40,21 @@ public class AdvancedPreferenceFragment extends PreferenceFragmentCompat {
     @Inject
     @Named("default")
     SharedPreferences mSharedPreferences;
+    @Inject
+    @Named("sort_type")
+    SharedPreferences mSortTypeSharedPreferences;
+    @Inject
+    @Named("post_layout")
+    SharedPreferences mPostLayoutSharedPreferences;
+    @Inject
+    @Named("light_theme")
+    SharedPreferences lightThemeSharedPreferences;
+    @Inject
+    @Named("dark_theme")
+    SharedPreferences darkThemeSharedPreferences;
+    @Inject
+    @Named("amoled_theme")
+    SharedPreferences amoledThemeSharedPreferences;
     private Activity activity;
 
     @Override
@@ -44,36 +67,98 @@ public class AdvancedPreferenceFragment extends PreferenceFragmentCompat {
         Preference deleteUsersPreference = findPreference(SharedPreferencesUtils.DELETE_ALL_USERS_DATA_IN_DATABASE);
         Preference deleteSortTypePreference = findPreference(SharedPreferencesUtils.DELETE_ALL_SORT_TYPE_DATA_IN_DATABASE);
         Preference deletePostLaoutPreference = findPreference(SharedPreferencesUtils.DELETE_ALL_POST_LAYOUT_DATA_IN_DATABASE);
+        Preference deleteAllThemesPreference = findPreference(SharedPreferencesUtils.DELETE_ALL_THEMES_IN_DATABASE);
+        Preference resetAllSettingsPreference = findPreference(SharedPreferencesUtils.RESET_ALL_SETTINGS);
 
+        if (deleteSubredditsPreference != null) {
             deleteSubredditsPreference.setOnPreferenceClickListener(preference -> {
-            new DeleteAllSubredditsAsyncTask(mRedditDataRoomDatabase,
+                new MaterialAlertDialogBuilder(activity, R.style.MaterialAlertDialogTheme)
-                    () -> Toast.makeText(activity, R.string.delete_all_subreddits_success, Toast.LENGTH_SHORT).show()).execute();
+                        .setTitle(R.string.are_you_sure)
+                        .setPositiveButton(R.string.yes, (dialogInterface, i)
+                                -> new DeleteAllSubredditsAsyncTask(mRedditDataRoomDatabase,
+                                        () -> Toast.makeText(activity, R.string.delete_all_subreddits_success, Toast.LENGTH_SHORT).show()).execute())
+                        .setNegativeButton(R.string.no, null)
+                        .show();
                 return true;
             });
+        }
 
+        if (deleteUsersPreference != null) {
             deleteUsersPreference.setOnPreferenceClickListener(preference -> {
-            new DeleteAllUsersAsyncTask(mRedditDataRoomDatabase,
+                new MaterialAlertDialogBuilder(activity, R.style.MaterialAlertDialogTheme)
-                    () -> Toast.makeText(activity, R.string.delete_all_users_success, Toast.LENGTH_SHORT).show()).execute();
+                        .setTitle(R.string.are_you_sure)
+                        .setPositiveButton(R.string.yes, (dialogInterface, i)
+                                -> new DeleteAllUsersAsyncTask(mRedditDataRoomDatabase,
+                                        () -> Toast.makeText(activity, R.string.delete_all_users_success, Toast.LENGTH_SHORT).show()).execute())
+                        .setNegativeButton(R.string.no, null)
+                        .show();
                 return true;
             });
-
-        deleteSortTypePreference.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
-            @Override
-            public boolean onPreferenceClick(Preference preference) {
-
-                return false;
         }
+
+        if (deleteSortTypePreference != null) {
+            deleteSortTypePreference.setOnPreferenceClickListener(preference -> {
+                new MaterialAlertDialogBuilder(activity, R.style.MaterialAlertDialogTheme)
+                        .setTitle(R.string.are_you_sure)
+                        .setPositiveButton(R.string.yes, (dialogInterface, i)
+                                -> new DeleteAllSortTypesAsyncTask(mSharedPreferences, mSortTypeSharedPreferences, () -> {
+                                    Toast.makeText(activity, R.string.delete_all_sort_types_success, Toast.LENGTH_SHORT).show();
+                                    EventBus.getDefault().post(new RecreateActivityEvent());
+                                }).execute())
+                        .setNegativeButton(R.string.no, null)
+                        .show();
+                return true;
             });
-
-        deletePostLaoutPreference.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
-            @Override
-            public boolean onPreferenceClick(Preference preference) {
-
-                return false;
         }
+
+        if (deletePostLaoutPreference != null) {
+            deletePostLaoutPreference.setOnPreferenceClickListener(preference -> {
+                new MaterialAlertDialogBuilder(activity, R.style.MaterialAlertDialogTheme)
+                        .setTitle(R.string.are_you_sure)
+                        .setPositiveButton(R.string.yes, (dialogInterface, i)
+                                -> new DeleteAllPostLayoutsAsyncTask(mSharedPreferences, mPostLayoutSharedPreferences, () -> {
+                                    Toast.makeText(activity, R.string.delete_all_post_layouts_success, Toast.LENGTH_SHORT).show();
+                                    EventBus.getDefault().post(new RecreateActivityEvent());
+                                }).execute())
+                        .setNegativeButton(R.string.no, null)
+                        .show();
+                return true;
             });
         }
 
+        if (deleteAllThemesPreference != null) {
+            deleteAllThemesPreference.setOnPreferenceClickListener(preference -> {
+                new MaterialAlertDialogBuilder(activity, R.style.MaterialAlertDialogTheme)
+                        .setTitle(R.string.are_you_sure)
+                        .setPositiveButton(R.string.yes, (dialogInterface, i)
+                                -> new DeleteAllThemesAsyncTask(mRedditDataRoomDatabase, lightThemeSharedPreferences,
+                                        darkThemeSharedPreferences, amoledThemeSharedPreferences, () -> {
+                                    Toast.makeText(activity, R.string.delete_all_themes_success, Toast.LENGTH_SHORT).show();
+                                    EventBus.getDefault().post(new RecreateActivityEvent());
+                                }).execute())
+                        .setNegativeButton(R.string.no, null)
+                        .show();
+                return true;
+            });
+        }
+
+        if (resetAllSettingsPreference != null) {
+            resetAllSettingsPreference.setOnPreferenceClickListener(preference -> {
+                new MaterialAlertDialogBuilder(activity, R.style.MaterialAlertDialogTheme)
+                        .setTitle(R.string.are_you_sure)
+                        .setPositiveButton(R.string.yes, (dialogInterface, i)
+                                -> {
+                            mSharedPreferences.edit().clear().apply();
+                            Toast.makeText(activity, R.string.reset_all_settings_success, Toast.LENGTH_SHORT).show();
+                            EventBus.getDefault().post(new RecreateActivityEvent());
+                        })
+                        .setNegativeButton(R.string.no, null)
+                        .show();
+                return true;
+            });
+        }
+    }
+
     @Override
     public void onAttach(@NonNull Context context) {
         super.onAttach(context);

app/src/main/java/ml/docilealligator/infinityforreddit/Utils/SharedPreferencesUtils.java

@@ -90,4 +90,6 @@ public class SharedPreferencesUtils {
     public static final String DELETE_ALL_USERS_DATA_IN_DATABASE= "delete_all_users_data_in_database";
     public static final String DELETE_ALL_SORT_TYPE_DATA_IN_DATABASE= "delete_all_sort_type_data_in_database";
     public static final String DELETE_ALL_POST_LAYOUT_DATA_IN_DATABASE= "delete_all_post_layout_data_in_database";
+    public static final String DELETE_ALL_THEMES_IN_DATABASE = "delete_all_themes_in_database";
+    public static final String RESET_ALL_SETTINGS = "reset_all_settings";
 }

app/src/main/res/drawable-night/ic_info_preference_24dp.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path
+      android:pathData="M11,7h2v2h-2zM11,11h2v6h-2zM12,2C6.48,2 2,6.48 2,12s4.48,10 10,10 10,-4.48 10,-10S17.52,2 12,2zM12,20c-4.41,0 -8,-3.59 -8,-8s3.59,-8 8,-8 8,3.59 8,8 -3.59,8 -8,8z"
+      android:fillColor="#4DFFFFFF"/>
+</vector>

app/src/main/res/drawable/ic_info_preference_24dp.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path
+      android:pathData="M11,7h2v2h-2zM11,11h2v6h-2zM12,2C6.48,2 2,6.48 2,12s4.48,10 10,10 10,-4.48 10,-10S17.52,2 12,2zM12,20c-4.41,0 -8,-3.59 -8,-8s3.59,-8 8,-8 8,3.59 8,8 -3.59,8 -8,8z"
+      android:fillColor="#42000000"/>
+</vector>

app/src/main/res/values/strings.xml

@@ -365,12 +365,15 @@
     <string name="settings_customize_dark_theme_title">Dark Theme</string>
     <string name="settings_customize_amoled_theme_title">Amoled Theme</string>
     <string name="settings_manage_themes_title">Manage Themes</string>
-    <string name="settings_custom_theme_cannot_apply_to_settings_page_title">Custom themes cannot be applied to settings page (except toolbar, status bar and navigation bar).</string>
+    <string name="settings_custom_theme_cannot_apply_to_settings_page_summary">Custom themes cannot be applied to settings page (except toolbar, status bar and navigation bar).</string>
     <string name="settings_advanced_master_title">Advanced</string>
     <string name="settings_delete_all_subreddits_data_in_database_title">Delete All Subreddits in Database</string>
     <string name="settings_delete_all_users_data_in_database_title">Delete All Users in Database</string>
-    <string name="settings_delete_all_sort_type_data_in_database_title">Delete All Sort Type in Database</string>
+    <string name="settings_delete_all_sort_type_data_in_database_title">Delete All Sort Types in Database</string>
-    <string name="settings_delete_all_post_layout_data_in_database_title">Delete All Post Layout Data in Database</string>
+    <string name="settings_delete_all_post_layout_data_in_database_title">Delete All Post Layouts in Database</string>
+    <string name="settings_delete_all_themes_in_database_title">Delete All Themes in Database</string>
+    <string name="settings_reset_all_settings_title">Reset All Settings</string>
+    <string name="settings_advanced_settings_summary">Clean the database and shared preferences</string>
 
     <string name="no_link_available">Cannot get the link</string>
 
@@ -645,5 +648,10 @@
 
     <string name="delete_all_subreddits_success">Delete all subreddits successful</string>
     <string name="delete_all_users_success">Delete all users successful</string>
+    <string name="delete_all_sort_types_success">Delete all sort types successful</string>
+    <string name="delete_all_post_layouts_success">Delete all post layouts successful</string>
+    <string name="delete_all_themes_success">Delete all themes successful</string>
+    <string name="reset_all_settings_success">Reset all settings successful</string>
+
 
 </resources>

app/src/main/res/xml/advanced_preferences.xml

@@ -18,4 +18,17 @@
         app:key="delete_all_post_layout_data_in_database"
         app:title="@string/settings_delete_all_post_layout_data_in_database_title" />
 
+    <Preference
+        app:key="delete_all_themes_in_database"
+        app:title="@string/settings_delete_all_themes_in_database_title" />
+
+    <Preference
+        app:key="reset_all_settings"
+        app:title="@string/settings_reset_all_settings_title" />
+
+    <Preference
+        android:icon="@drawable/ic_info_preference_24dp"
+        app:summary="@string/settings_custom_theme_cannot_apply_to_settings_page_summary"
+        app:enabled="false" />
+
 </PreferenceScreen>

app/src/main/res/xml/theme_preferences.xml

@@ -42,7 +42,8 @@
         app:title="@string/settings_manage_themes_title" />
 
     <Preference
-        app:summary="@string/settings_custom_theme_cannot_apply_to_settings_page_title"
+        android:icon="@drawable/ic_info_preference_24dp"
+        app:summary="@string/settings_custom_theme_cannot_apply_to_settings_page_summary"
         app:enabled="false" />
 
 </PreferenceScreen>