Hide Setup Wizard icon for stock keyboard

Bug: 8581647
Change-Id: Id530f1a33a5c919f4a732ec0d545dfbe76e56316

java/res/values/setup-wizard.xml

+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+**
+** Copyright 2013, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You may obtain a copy of the License at
+**
+**     http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+-->
+<resources>
+    <bool name="config_setup_wizard_available">false</bool>
+</resources>

java/src/com/android/inputmethod/latin/Settings.java

@@ -272,6 +272,11 @@ public final class Settings implements SharedPreferences.OnSharedPreferenceChang
 
     public static boolean readShowSetupWizardIcon(final SharedPreferences prefs,
             final Context context) {
+        final boolean enableSetupWizardByConfig = context.getResources().getBoolean(
+                R.bool.config_setup_wizard_available);
+        if (!enableSetupWizardByConfig) {
+            return false;
+        }
         if (!prefs.contains(Settings.PREF_SHOW_SETUP_WIZARD_ICON)) {
             final ApplicationInfo appInfo = context.getApplicationInfo();
             final boolean isApplicationInSystemImage =

java/src/com/android/inputmethod/latin/SettingsFragment.java

@@ -165,6 +165,10 @@ public final class SettingsFragment extends InputMethodSettingsFragment
                     Settings.readKeyPreviewPopupEnabled(prefs, res));
         }
 
+        if (!res.getBoolean(R.bool.config_setup_wizard_available)) {
+            removePreference(Settings.PREF_SHOW_SETUP_WIZARD_ICON, advancedSettings);
+        }
+
         setPreferenceEnabled(Settings.PREF_INCLUDE_OTHER_IMES_IN_LANGUAGE_SWITCH_LIST,
                 Settings.readShowsLanguageSwitchKey(prefs));
 
@@ -203,7 +207,9 @@ public final class SettingsFragment extends InputMethodSettingsFragment
         final SharedPreferences prefs = getPreferenceManager().getSharedPreferences();
         final CheckBoxPreference showSetupWizardIcon =
                 (CheckBoxPreference)findPreference(Settings.PREF_SHOW_SETUP_WIZARD_ICON);
-        showSetupWizardIcon.setChecked(Settings.readShowSetupWizardIcon(prefs, getActivity()));
+        if (showSetupWizardIcon != null) {
+            showSetupWizardIcon.setChecked(Settings.readShowSetupWizardIcon(prefs, getActivity()));
+        }
         updateShowCorrectionSuggestionsSummary();
         updateKeyPreviewPopupDelaySummary();
         updateCustomInputStylesSummary();