Move "scanning" from location setting actionbar to pref xml

This fixes the breadcrumb for scanning settings when you search "scan".

- Also did some minor cleanup in LocationSettings (creating preference
using the correct context)

Change-Id: I8efc62246f2e18b2bd4b5eb411b40f24e36b0f2a
Fix: 36529569
Test: manual

res/values/strings.xml

@@ -3099,9 +3099,6 @@
     <string name="location_mode_battery_saving_description">Use Wi\u2011Fi, Bluetooth, or mobile networks to determine location</string>
     <!-- [CHAR LIMIT=130] Location mode screen, description for sensors only mode -->
     <string name="location_mode_sensors_only_description">Use GPS to determine location</string>
-    <!-- Help menu label [CHAR LIMIT=20] Location settings screen, overflow menu that takes the user
-      to scanning settings activity -->
-    <string name="location_menu_scanning">Scanning</string>
     <!-- [CHAR LIMIT=30] Wireless background scanning settings screen, screen title -->
     <string name="location_scanning_screen_title">Scanning</string>
     <!-- [CHAR LIMIT=130] Preference title for Wi-Fi always scanning -->

res/xml/location_settings.xml

@@ -44,6 +44,11 @@
             </intent>
         </Preference>
 
+        <Preference
+            android:key="location_scanning"
+            android:title="@string/location_scanning_screen_title"
+            android:fragment="com.android.settings.location.ScanningSettings"/>
+
         <PreferenceCategory
             android:key="recent_location_requests"
             android:title="@string/location_category_recent_location_requests" />

res/xml/security_settings_misc.xml

@@ -22,8 +22,8 @@
 
         <Preference
             android:key="location"
-            android:title="@string/location_settings_title">
-            <intent android:action="android.settings.LOCATION_SOURCE_SETTINGS"/>
+            android:title="@string/location_settings_title"
+            android:fragment="com.android.settings.location.LocationSettings">
         </Preference>
 
         <SwitchPreference

src/com/android/settings/location/LocationSettings.java

@@ -17,9 +17,7 @@
 package com.android.settings.location;
 
 import android.app.Activity;
-import android.app.admin.DevicePolicyManager;
 import android.content.BroadcastReceiver;
-import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
@@ -27,16 +25,13 @@ import android.location.SettingInjectorService;
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.provider.Settings;
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceCategory;
 import android.support.v7.preference.PreferenceGroup;
 import android.support.v7.preference.PreferenceScreen;
 import android.util.Log;
-import android.view.Menu;
-import android.view.MenuInflater;
-import android.view.MenuItem;
 import android.widget.Switch;
+
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.DimmableIconPreference;
 import com.android.settings.R;
@@ -98,8 +93,6 @@ public class LocationSettings extends LocationSettingsBase
     /** Key for preference category "Location services" */
     private static final String KEY_LOCATION_SERVICES = "location_services";
 
-    private static final int MENU_SCANNING = Menu.FIRST;
-
     private SwitchBar mSwitchBar;
     private Switch mSwitch;
     private boolean mValidListener = false;
@@ -311,8 +304,9 @@ public class LocationSettings extends LocationSettingsBase
         injector = new SettingsInjector(context);
         // If location access is locked down by device policy then we only show injected settings
         // for the primary profile.
-        List<Preference> locationServices = injector.getInjectedSettings(lockdownOnLocationAccess ?
-                UserHandle.myUserId() : UserHandle.USER_CURRENT);
+        final Context prefContext = categoryLocationServices.getContext();
+        final List<Preference> locationServices = injector.getInjectedSettings(prefContext,
+                lockdownOnLocationAccess ? UserHandle.myUserId() : UserHandle.USER_CURRENT);
 
         mReceiver = new BroadcastReceiver() {
             @Override
@@ -336,29 +330,6 @@ public class LocationSettings extends LocationSettingsBase
         }
     }
 
-    @Override
-    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
-        menu.add(0, MENU_SCANNING, 0, R.string.location_menu_scanning);
-        // The super class adds "Help & Feedback" menu item.
-        super.onCreateOptionsMenu(menu, inflater);
-    }
-
-    @Override
-    public boolean onOptionsItemSelected(MenuItem item) {
-        final SettingsActivity activity = (SettingsActivity) getActivity();
-        switch (item.getItemId()) {
-            case MENU_SCANNING:
-                activity.startPreferencePanel(
-                        this,
-                        ScanningSettings.class.getName(), null,
-                        R.string.location_scanning_screen_title, null, LocationSettings.this,
-                        0);
-                return true;
-            default:
-                return super.onOptionsItemSelected(item);
-        }
-    }
-
     @Override
     public int getHelpResource() {
         return R.string.help_url_location_access;

src/com/android/settings/location/SettingsInjector.java

@@ -231,17 +231,17 @@ class SettingsInjector {
      * @param profileId Identifier of the user/profile to obtain the injected settings for or
      *                  UserHandle.USER_CURRENT for all profiles associated with current user.
      */
-    public List<Preference> getInjectedSettings(final int profileId) {
+    public List<Preference> getInjectedSettings(Context prefContext, final int profileId) {
         final UserManager um = (UserManager) mContext.getSystemService(Context.USER_SERVICE);
         final List<UserHandle> profiles = um.getUserProfiles();
-        ArrayList<Preference> prefs = new ArrayList<Preference>();
+        ArrayList<Preference> prefs = new ArrayList<>();
         final int profileCount = profiles.size();
         for (int i = 0; i < profileCount; ++i) {
             final UserHandle userHandle = profiles.get(i);
             if (profileId == UserHandle.USER_CURRENT || profileId == userHandle.getIdentifier()) {
                 Iterable<InjectedSetting> settings = getSettings(userHandle);
                 for (InjectedSetting setting : settings) {
-                    Preference pref = addServiceSetting(prefs, setting);
+                    Preference pref = addServiceSetting(prefContext, prefs, setting);
                     mSettings.add(new Setting(setting, pref));
                 }
             }
@@ -265,7 +265,8 @@ class SettingsInjector {
     /**
      * Adds an injected setting to the root.
      */
-    private Preference addServiceSetting(List<Preference> prefs, InjectedSetting info) {
+    private Preference addServiceSetting(Context prefContext, List<Preference> prefs,
+            InjectedSetting info) {
         PackageManager pm = mContext.getPackageManager();
         Drawable appIcon = pm.getDrawable(info.packageName, info.iconId, null);
         Drawable icon = pm.getUserBadgedIcon(appIcon, info.mUserHandle);
@@ -275,7 +276,7 @@ class SettingsInjector {
             // a separate content description.
             badgedAppLabel = null;
         }
-        Preference pref = new DimmableIconPreference(mContext, badgedAppLabel);
+        Preference pref = new DimmableIconPreference(prefContext, badgedAppLabel);
         pref.setTitle(info.title);
         pref.setSummary(null);
         pref.setIcon(icon);