diff --git a/src/com/android/settings/DeviceInfoSettings.java b/src/com/android/settings/DeviceInfoSettings.java
index 109fb0e..4123af2 100644
--- a/src/com/android/settings/DeviceInfoSettings.java
+++ b/src/com/android/settings/DeviceInfoSettings.java
@@ -24,7 +24,6 @@
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.core.PreferenceController;
-import com.android.settings.core.lifecycle.Lifecycle;
 import com.android.settings.dashboard.DashboardFragment;
 import com.android.settings.dashboard.SummaryLoader;
 import com.android.settings.deviceinfo.AdditionalSystemUpdatePreferenceController;
@@ -42,6 +41,7 @@
 import com.android.settings.deviceinfo.SecurityPatchPreferenceController;
 import com.android.settings.search.BaseSearchIndexProvider;
 import com.android.settings.search.Indexable;
+import com.android.settingslib.core.lifecycle.Lifecycle;
 
 import java.util.ArrayList;
 import java.util.Arrays;
diff --git a/src/com/android/settings/DisplaySettings.java b/src/com/android/settings/DisplaySettings.java
index 666b3e7..8c2a567 100644
--- a/src/com/android/settings/DisplaySettings.java
+++ b/src/com/android/settings/DisplaySettings.java
@@ -23,7 +23,6 @@
 import com.android.internal.hardware.AmbientDisplayConfiguration;
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.core.PreferenceController;
-import com.android.settings.core.lifecycle.Lifecycle;
 import com.android.settings.dashboard.DashboardFragment;
 import com.android.settings.display.AutoBrightnessPreferenceController;
 import com.android.settings.display.AutoRotatePreferenceController;
@@ -44,6 +43,7 @@
 import com.android.settings.gestures.PickupGesturePreferenceController;
 import com.android.settings.search.BaseSearchIndexProvider;
 import com.android.settings.search.Indexable;
+import com.android.settingslib.core.lifecycle.Lifecycle;
 
 import java.util.ArrayList;
 import java.util.List;
diff --git a/src/com/android/settings/SettingsPreferenceFragment.java b/src/com/android/settings/SettingsPreferenceFragment.java
index 761e8cf..3fc7964 100644
--- a/src/com/android/settings/SettingsPreferenceFragment.java
+++ b/src/com/android/settings/SettingsPreferenceFragment.java
@@ -48,8 +48,8 @@
 import com.android.settings.core.InstrumentedPreferenceFragment;
 import com.android.settings.core.instrumentation.Instrumentable;
 import com.android.settings.core.instrumentation.InstrumentedDialogFragment;
-import com.android.settings.widget.FooterPreferenceMixin;
 import com.android.settingslib.HelpUtils;
+import com.android.settingslib.widget.FooterPreferenceMixin;
 
 import java.util.UUID;
 
diff --git a/src/com/android/settings/accounts/AccountPreferenceController.java b/src/com/android/settings/accounts/AccountPreferenceController.java
index a782a7d..2801f04 100644
--- a/src/com/android/settings/accounts/AccountPreferenceController.java
+++ b/src/com/android/settings/accounts/AccountPreferenceController.java
@@ -47,14 +47,14 @@
 import com.android.settings.Utils;
 import com.android.settings.core.PreferenceController;
 import com.android.settings.core.instrumentation.MetricsFeatureProvider;
-import com.android.settings.core.lifecycle.LifecycleObserver;
-import com.android.settings.core.lifecycle.events.OnPause;
-import com.android.settings.core.lifecycle.events.OnResume;
 import com.android.settings.overlay.FeatureFactory;
 import com.android.settings.search.SearchIndexableRaw;
 import com.android.settings.search2.SearchFeatureProviderImpl;
 import com.android.settingslib.RestrictedPreference;
 import com.android.settingslib.accounts.AuthenticatorHelper;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnPause;
+import com.android.settingslib.core.lifecycle.events.OnResume;
 
 import java.util.ArrayList;
 import java.util.Collections;
diff --git a/src/com/android/settings/accounts/AddUserWhenLockedPreferenceController.java b/src/com/android/settings/accounts/AddUserWhenLockedPreferenceController.java
index 10e3610..a3dd94d 100644
--- a/src/com/android/settings/accounts/AddUserWhenLockedPreferenceController.java
+++ b/src/com/android/settings/accounts/AddUserWhenLockedPreferenceController.java
@@ -20,11 +20,11 @@
 import android.support.v7.preference.Preference;
 
 import com.android.settings.core.PreferenceController;
-import com.android.settings.core.lifecycle.LifecycleObserver;
-import com.android.settings.core.lifecycle.events.OnPause;
-import com.android.settings.core.lifecycle.events.OnResume;
 import com.android.settings.users.UserCapabilities;
 import com.android.settingslib.RestrictedSwitchPreference;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnPause;
+import com.android.settingslib.core.lifecycle.events.OnResume;
 
 public class AddUserWhenLockedPreferenceController extends PreferenceController
         implements Preference.OnPreferenceChangeListener, LifecycleObserver, OnPause, OnResume {
diff --git a/src/com/android/settings/accounts/ChooseAccountActivity.java b/src/com/android/settings/accounts/ChooseAccountActivity.java
index fce88aa..fe6f7b4 100644
--- a/src/com/android/settings/accounts/ChooseAccountActivity.java
+++ b/src/com/android/settings/accounts/ChooseAccountActivity.java
@@ -44,10 +44,10 @@
 import com.android.settings.Utils;
 import com.android.settings.enterprise.EnterprisePrivacyFeatureProvider;
 import com.android.settings.overlay.FeatureFactory;
-import com.android.settings.widget.FooterPreference;
-import com.android.settings.widget.FooterPreferenceMixin;
 import com.android.settingslib.RestrictedLockUtils;
 import com.android.settingslib.RestrictedLockUtils.EnforcedAdmin;
+import com.android.settingslib.widget.FooterPreference;
+import com.android.settingslib.widget.FooterPreferenceMixin;
 
 import com.google.android.collect.Maps;
 
diff --git a/src/com/android/settings/applications/ResetAppPrefPreferenceController.java b/src/com/android/settings/applications/ResetAppPrefPreferenceController.java
index 41352bb..6c99a2e 100644
--- a/src/com/android/settings/applications/ResetAppPrefPreferenceController.java
+++ b/src/com/android/settings/applications/ResetAppPrefPreferenceController.java
@@ -22,10 +22,10 @@
 import android.text.TextUtils;
 
 import com.android.settings.core.PreferenceController;
-import com.android.settings.core.lifecycle.Lifecycle;
-import com.android.settings.core.lifecycle.LifecycleObserver;
-import com.android.settings.core.lifecycle.events.OnCreate;
-import com.android.settings.core.lifecycle.events.OnSaveInstanceState;
+import com.android.settingslib.core.lifecycle.Lifecycle;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnCreate;
+import com.android.settingslib.core.lifecycle.events.OnSaveInstanceState;
 
 public class ResetAppPrefPreferenceController extends PreferenceController
         implements LifecycleObserver, OnCreate, OnSaveInstanceState {
diff --git a/src/com/android/settings/applications/assist/AssistContextPreferenceController.java b/src/com/android/settings/applications/assist/AssistContextPreferenceController.java
index 05bc8d6..4a8e9c2 100644
--- a/src/com/android/settings/applications/assist/AssistContextPreferenceController.java
+++ b/src/com/android/settings/applications/assist/AssistContextPreferenceController.java
@@ -26,10 +26,10 @@
 
 import com.android.internal.app.AssistUtils;
 import com.android.settings.core.PreferenceController;
-import com.android.settings.core.lifecycle.Lifecycle;
-import com.android.settings.core.lifecycle.LifecycleObserver;
-import com.android.settings.core.lifecycle.events.OnPause;
-import com.android.settings.core.lifecycle.events.OnResume;
+import com.android.settingslib.core.lifecycle.Lifecycle;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnPause;
+import com.android.settingslib.core.lifecycle.events.OnResume;
 
 import java.util.Arrays;
 import java.util.List;
diff --git a/src/com/android/settings/applications/assist/AssistFlashScreenPreferenceController.java b/src/com/android/settings/applications/assist/AssistFlashScreenPreferenceController.java
index e44e70f..faee23d 100644
--- a/src/com/android/settings/applications/assist/AssistFlashScreenPreferenceController.java
+++ b/src/com/android/settings/applications/assist/AssistFlashScreenPreferenceController.java
@@ -28,10 +28,10 @@
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.internal.app.AssistUtils;
 import com.android.settings.core.PreferenceController;
-import com.android.settings.core.lifecycle.Lifecycle;
-import com.android.settings.core.lifecycle.LifecycleObserver;
-import com.android.settings.core.lifecycle.events.OnPause;
-import com.android.settings.core.lifecycle.events.OnResume;
+import com.android.settingslib.core.lifecycle.Lifecycle;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnPause;
+import com.android.settingslib.core.lifecycle.events.OnResume;
 
 import java.util.Arrays;
 import java.util.List;
diff --git a/src/com/android/settings/applications/assist/AssistScreenshotPreferenceController.java b/src/com/android/settings/applications/assist/AssistScreenshotPreferenceController.java
index 21dfe19..fb7be629b 100644
--- a/src/com/android/settings/applications/assist/AssistScreenshotPreferenceController.java
+++ b/src/com/android/settings/applications/assist/AssistScreenshotPreferenceController.java
@@ -26,10 +26,10 @@
 
 import com.android.internal.app.AssistUtils;
 import com.android.settings.core.PreferenceController;
-import com.android.settings.core.lifecycle.Lifecycle;
-import com.android.settings.core.lifecycle.LifecycleObserver;
-import com.android.settings.core.lifecycle.events.OnPause;
-import com.android.settings.core.lifecycle.events.OnResume;
+import com.android.settingslib.core.lifecycle.Lifecycle;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnPause;
+import com.android.settingslib.core.lifecycle.events.OnResume;
 
 import java.util.Arrays;
 import java.util.List;
diff --git a/src/com/android/settings/applications/assist/DefaultVoiceInputPreferenceController.java b/src/com/android/settings/applications/assist/DefaultVoiceInputPreferenceController.java
index 032fb13..3443a44 100644
--- a/src/com/android/settings/applications/assist/DefaultVoiceInputPreferenceController.java
+++ b/src/com/android/settings/applications/assist/DefaultVoiceInputPreferenceController.java
@@ -27,10 +27,10 @@
 import com.android.internal.app.AssistUtils;
 import com.android.settings.applications.defaultapps.DefaultAppInfo;
 import com.android.settings.applications.defaultapps.DefaultAppPreferenceController;
-import com.android.settings.core.lifecycle.Lifecycle;
-import com.android.settings.core.lifecycle.LifecycleObserver;
-import com.android.settings.core.lifecycle.events.OnPause;
-import com.android.settings.core.lifecycle.events.OnResume;
+import com.android.settingslib.core.lifecycle.Lifecycle;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnPause;
+import com.android.settingslib.core.lifecycle.events.OnResume;
 
 import java.util.List;
 
diff --git a/src/com/android/settings/applications/assist/ManageAssist.java b/src/com/android/settings/applications/assist/ManageAssist.java
index 824c0b1..e78e6e1 100644
--- a/src/com/android/settings/applications/assist/ManageAssist.java
+++ b/src/com/android/settings/applications/assist/ManageAssist.java
@@ -22,11 +22,11 @@
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.R;
 import com.android.settings.core.PreferenceController;
-import com.android.settings.core.lifecycle.Lifecycle;
 import com.android.settings.dashboard.DashboardFragment;
 import com.android.settings.gestures.AssistGesturePreferenceController;
 import com.android.settings.search.BaseSearchIndexProvider;
 import com.android.settings.search.Indexable;
+import com.android.settingslib.core.lifecycle.Lifecycle;
 
 import java.util.ArrayList;
 import java.util.Arrays;
diff --git a/src/com/android/settings/bluetooth/BluetoothDeviceNamePreferenceController.java b/src/com/android/settings/bluetooth/BluetoothDeviceNamePreferenceController.java
index ba05c3a..db4c3e0 100644
--- a/src/com/android/settings/bluetooth/BluetoothDeviceNamePreferenceController.java
+++ b/src/com/android/settings/bluetooth/BluetoothDeviceNamePreferenceController.java
@@ -33,13 +33,13 @@
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.settings.R;
 import com.android.settings.core.PreferenceController;
-import com.android.settings.core.lifecycle.Lifecycle;
-import com.android.settings.core.lifecycle.LifecycleObserver;
-import com.android.settings.core.lifecycle.events.OnResume;
-import com.android.settings.core.lifecycle.events.OnStart;
-import com.android.settings.core.lifecycle.events.OnStop;
 import com.android.settingslib.bluetooth.LocalBluetoothAdapter;
 import com.android.settingslib.bluetooth.LocalBluetoothManager;
+import com.android.settingslib.core.lifecycle.Lifecycle;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnResume;
+import com.android.settingslib.core.lifecycle.events.OnStart;
+import com.android.settingslib.core.lifecycle.events.OnStop;
 
 /**
  * Controller that shows and updates the bluetooth device name
diff --git a/src/com/android/settings/bluetooth/BluetoothMasterSwitchPreferenceController.java b/src/com/android/settings/bluetooth/BluetoothMasterSwitchPreferenceController.java
index 508d6c9..f9b7975 100644
--- a/src/com/android/settings/bluetooth/BluetoothMasterSwitchPreferenceController.java
+++ b/src/com/android/settings/bluetooth/BluetoothMasterSwitchPreferenceController.java
@@ -21,16 +21,16 @@
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.core.PreferenceController;
-import com.android.settings.core.lifecycle.LifecycleObserver;
-import com.android.settings.core.lifecycle.events.OnPause;
-import com.android.settings.core.lifecycle.events.OnResume;
-import com.android.settings.core.lifecycle.events.OnStart;
-import com.android.settings.core.lifecycle.events.OnStop;
 import com.android.settings.overlay.FeatureFactory;
 import com.android.settings.widget.MasterSwitchController;
 import com.android.settings.widget.MasterSwitchPreference;
 import com.android.settings.widget.SummaryUpdater.OnSummaryChangeListener;
 import com.android.settingslib.bluetooth.LocalBluetoothManager;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnPause;
+import com.android.settingslib.core.lifecycle.events.OnResume;
+import com.android.settingslib.core.lifecycle.events.OnStart;
+import com.android.settingslib.core.lifecycle.events.OnStop;
 
 public class BluetoothMasterSwitchPreferenceController extends PreferenceController
         implements OnSummaryChangeListener,
diff --git a/src/com/android/settings/bluetooth/BluetoothSettings.java b/src/com/android/settings/bluetooth/BluetoothSettings.java
index 5b5082d..f3612f9 100644
--- a/src/com/android/settings/bluetooth/BluetoothSettings.java
+++ b/src/com/android/settings/bluetooth/BluetoothSettings.java
@@ -52,7 +52,6 @@
 import com.android.settings.search.BaseSearchIndexProvider;
 import com.android.settings.search.Indexable;
 import com.android.settings.search.SearchIndexableRaw;
-import com.android.settings.widget.FooterPreference;
 import com.android.settings.widget.GearPreference;
 import com.android.settings.widget.SummaryUpdater.OnSummaryChangeListener;
 import com.android.settings.widget.SwitchBar;
@@ -61,6 +60,7 @@
 import com.android.settingslib.bluetooth.CachedBluetoothDevice;
 import com.android.settingslib.bluetooth.LocalBluetoothAdapter;
 import com.android.settingslib.bluetooth.LocalBluetoothManager;
+import com.android.settingslib.widget.FooterPreference;
 
 import java.util.ArrayList;
 import java.util.List;
diff --git a/src/com/android/settings/connecteddevice/ConnectedDeviceDashboardFragment.java b/src/com/android/settings/connecteddevice/ConnectedDeviceDashboardFragment.java
index 6a1c06c..cc519a7 100644
--- a/src/com/android/settings/connecteddevice/ConnectedDeviceDashboardFragment.java
+++ b/src/com/android/settings/connecteddevice/ConnectedDeviceDashboardFragment.java
@@ -24,12 +24,12 @@
 import com.android.settings.bluetooth.BluetoothMasterSwitchPreferenceController;
 import com.android.settings.bluetooth.Utils;
 import com.android.settings.core.PreferenceController;
-import com.android.settings.core.lifecycle.Lifecycle;
 import com.android.settings.dashboard.DashboardFragment;
 import com.android.settings.deviceinfo.UsbBackend;
 import com.android.settings.nfc.NfcPreferenceController;
 import com.android.settings.search.BaseSearchIndexProvider;
 import com.android.settings.search.Indexable;
+import com.android.settingslib.core.lifecycle.Lifecycle;
 
 import java.util.ArrayList;
 import java.util.Arrays;
diff --git a/src/com/android/settings/connecteddevice/UsbModePreferenceController.java b/src/com/android/settings/connecteddevice/UsbModePreferenceController.java
index a98f068..9c9ed12 100644
--- a/src/com/android/settings/connecteddevice/UsbModePreferenceController.java
+++ b/src/com/android/settings/connecteddevice/UsbModePreferenceController.java
@@ -26,10 +26,10 @@
 
 import com.android.settings.core.PreferenceController;
 import com.android.settings.R;
-import com.android.settings.core.lifecycle.LifecycleObserver;
-import com.android.settings.core.lifecycle.events.OnPause;
-import com.android.settings.core.lifecycle.events.OnResume;
 import com.android.settings.deviceinfo.UsbBackend;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnPause;
+import com.android.settingslib.core.lifecycle.events.OnResume;
 
 public class UsbModePreferenceController extends PreferenceController
         implements LifecycleObserver, OnResume, OnPause {
diff --git a/src/com/android/settings/core/DynamicAvailabilityPreferenceController.java b/src/com/android/settings/core/DynamicAvailabilityPreferenceController.java
index 9323aa3..6db57e6 100644
--- a/src/com/android/settings/core/DynamicAvailabilityPreferenceController.java
+++ b/src/com/android/settings/core/DynamicAvailabilityPreferenceController.java
@@ -20,9 +20,9 @@
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceScreen;
 
-import com.android.settings.core.lifecycle.Lifecycle;
-import com.android.settings.core.lifecycle.LifecycleObserver;
-import com.android.settings.core.lifecycle.events.OnResume;
+import com.android.settingslib.core.lifecycle.Lifecycle;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnResume;
 
 public abstract class DynamicAvailabilityPreferenceController extends PreferenceController
         implements LifecycleObserver, OnResume {
diff --git a/src/com/android/settings/core/InstrumentedActivity.java b/src/com/android/settings/core/InstrumentedActivity.java
index 891af5d..9b24756 100644
--- a/src/com/android/settings/core/InstrumentedActivity.java
+++ b/src/com/android/settings/core/InstrumentedActivity.java
@@ -18,7 +18,7 @@
 
 import com.android.settings.core.instrumentation.Instrumentable;
 import com.android.settings.core.instrumentation.VisibilityLoggerMixin;
-import com.android.settings.core.lifecycle.ObservableActivity;
+import com.android.settingslib.core.lifecycle.ObservableActivity;
 
 /**
  * Instrumented activity that logs visibility state.
diff --git a/src/com/android/settings/core/InstrumentedFragment.java b/src/com/android/settings/core/InstrumentedFragment.java
index 303d4d8..188dbde 100644
--- a/src/com/android/settings/core/InstrumentedFragment.java
+++ b/src/com/android/settings/core/InstrumentedFragment.java
@@ -21,9 +21,9 @@
 import com.android.settings.core.instrumentation.Instrumentable;
 import com.android.settings.core.instrumentation.MetricsFeatureProvider;
 import com.android.settings.core.instrumentation.VisibilityLoggerMixin;
-import com.android.settings.core.lifecycle.ObservableFragment;
 import com.android.settings.overlay.FeatureFactory;
 import com.android.settings.survey.SurveyMixin;
+import com.android.settingslib.core.lifecycle.ObservableFragment;
 
 public abstract class InstrumentedFragment extends ObservableFragment implements Instrumentable {
 
@@ -49,4 +49,4 @@
         mVisibilityLoggerMixin.setSourceMetricsCategory(getActivity());
         super.onResume();
     }
-}
\ No newline at end of file
+}
diff --git a/src/com/android/settings/core/InstrumentedPreferenceFragment.java b/src/com/android/settings/core/InstrumentedPreferenceFragment.java
index 746c10d..bfb69e7 100644
--- a/src/com/android/settings/core/InstrumentedPreferenceFragment.java
+++ b/src/com/android/settings/core/InstrumentedPreferenceFragment.java
@@ -22,9 +22,9 @@
 import com.android.settings.core.instrumentation.Instrumentable;
 import com.android.settings.core.instrumentation.MetricsFeatureProvider;
 import com.android.settings.core.instrumentation.VisibilityLoggerMixin;
-import com.android.settings.core.lifecycle.ObservablePreferenceFragment;
 import com.android.settings.overlay.FeatureFactory;
 import com.android.settings.survey.SurveyMixin;
+import com.android.settingslib.core.lifecycle.ObservablePreferenceFragment;
 
 /**
  * Instrumented fragment that logs visibility state.
diff --git a/src/com/android/settings/core/instrumentation/InstrumentedDialogFragment.java b/src/com/android/settings/core/instrumentation/InstrumentedDialogFragment.java
index dd3c1cc..5a9ab56 100644
--- a/src/com/android/settings/core/instrumentation/InstrumentedDialogFragment.java
+++ b/src/com/android/settings/core/instrumentation/InstrumentedDialogFragment.java
@@ -18,8 +18,8 @@
 import android.content.Context;
 
 import com.android.settings.DialogCreatable;
-import com.android.settings.core.lifecycle.ObservableDialogFragment;
 import com.android.settings.overlay.FeatureFactory;
+import com.android.settingslib.core.lifecycle.ObservableDialogFragment;
 
 public abstract class InstrumentedDialogFragment extends ObservableDialogFragment
         implements Instrumentable {
diff --git a/src/com/android/settings/core/instrumentation/VisibilityLoggerMixin.java b/src/com/android/settings/core/instrumentation/VisibilityLoggerMixin.java
index fcd32d1..8de35ad 100644
--- a/src/com/android/settings/core/instrumentation/VisibilityLoggerMixin.java
+++ b/src/com/android/settings/core/instrumentation/VisibilityLoggerMixin.java
@@ -22,11 +22,11 @@
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.SettingsActivity;
-import com.android.settings.core.lifecycle.LifecycleObserver;
-import com.android.settings.core.lifecycle.events.OnAttach;
-import com.android.settings.core.lifecycle.events.OnPause;
-import com.android.settings.core.lifecycle.events.OnResume;
 import com.android.settings.overlay.FeatureFactory;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnAttach;
+import com.android.settingslib.core.lifecycle.events.OnPause;
+import com.android.settingslib.core.lifecycle.events.OnResume;
 
 import static com.android.settings.core.instrumentation.Instrumentable.METRICS_CATEGORY_UNKNOWN;
 
diff --git a/src/com/android/settings/core/lifecycle/Lifecycle.java b/src/com/android/settings/core/lifecycle/Lifecycle.java
deleted file mode 100644
index ef23688..0000000
--- a/src/com/android/settings/core/lifecycle/Lifecycle.java
+++ /dev/null
@@ -1,159 +0,0 @@
-/*
- * Copyright (C) 2016 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.
- */
-package com.android.settings.core.lifecycle;
-
-import android.annotation.UiThread;
-import android.content.Context;
-import android.os.Bundle;
-import android.support.annotation.Nullable;
-import android.support.v7.preference.PreferenceScreen;
-import android.view.Menu;
-import android.view.MenuInflater;
-import android.view.MenuItem;
-
-import com.android.settings.core.lifecycle.events.OnAttach;
-import com.android.settings.core.lifecycle.events.OnCreate;
-import com.android.settings.core.lifecycle.events.OnCreateOptionsMenu;
-import com.android.settings.core.lifecycle.events.OnDestroy;
-import com.android.settings.core.lifecycle.events.OnOptionsItemSelected;
-import com.android.settings.core.lifecycle.events.OnPause;
-import com.android.settings.core.lifecycle.events.OnPrepareOptionsMenu;
-import com.android.settings.core.lifecycle.events.OnResume;
-import com.android.settings.core.lifecycle.events.OnSaveInstanceState;
-import com.android.settings.core.lifecycle.events.OnStart;
-import com.android.settings.core.lifecycle.events.OnStop;
-import com.android.settings.core.lifecycle.events.SetPreferenceScreen;
-import com.android.settings.utils.ThreadUtils;
-
-import java.util.ArrayList;
-import java.util.List;
-
-/**
- * Dispatcher for lifecycle events.
- */
-public class Lifecycle {
-
-    protected final List<LifecycleObserver> mObservers = new ArrayList<>();
-
-    /**
-     * Registers a new observer of lifecycle events.
-     */
-    @UiThread
-    public <T extends LifecycleObserver> T addObserver(T observer) {
-        ThreadUtils.ensureMainThread();
-        mObservers.add(observer);
-        return observer;
-    }
-
-    public void onAttach(Context context) {
-        for (LifecycleObserver observer : mObservers) {
-            if (observer instanceof OnAttach) {
-                ((OnAttach) observer).onAttach(context);
-            }
-        }
-    }
-
-    public void onCreate(Bundle savedInstanceState) {
-        for (LifecycleObserver observer : mObservers) {
-            if (observer instanceof OnCreate) {
-                ((OnCreate) observer).onCreate(savedInstanceState);
-            }
-        }
-    }
-
-    public void onStart() {
-        for (LifecycleObserver observer : mObservers) {
-            if (observer instanceof OnStart) {
-                ((OnStart) observer).onStart();
-            }
-        }
-    }
-
-    public void setPreferenceScreen(PreferenceScreen preferenceScreen) {
-        for (LifecycleObserver observer : mObservers) {
-            if (observer instanceof SetPreferenceScreen) {
-                ((SetPreferenceScreen) observer).setPreferenceScreen(preferenceScreen);
-            }
-        }
-    }
-
-    public void onResume() {
-        for (LifecycleObserver observer : mObservers) {
-            if (observer instanceof OnResume) {
-                ((OnResume) observer).onResume();
-            }
-        }
-    }
-
-    public void onPause() {
-        for (LifecycleObserver observer : mObservers) {
-            if (observer instanceof OnPause) {
-                ((OnPause) observer).onPause();
-            }
-        }
-    }
-
-    public void onSaveInstanceState(Bundle outState) {
-        for (LifecycleObserver observer : mObservers) {
-            if (observer instanceof OnSaveInstanceState) {
-                ((OnSaveInstanceState) observer).onSaveInstanceState(outState);
-            }
-        }
-    }
-
-    public void onStop() {
-        for (LifecycleObserver observer : mObservers) {
-            if (observer instanceof OnStop) {
-                ((OnStop) observer).onStop();
-            }
-        }
-    }
-
-    public void onDestroy() {
-        for (LifecycleObserver observer : mObservers) {
-            if (observer instanceof OnDestroy) {
-                ((OnDestroy) observer).onDestroy();
-            }
-        }
-    }
-
-    public void onCreateOptionsMenu(final Menu menu, final @Nullable MenuInflater inflater) {
-        for (LifecycleObserver observer : mObservers) {
-            if (observer instanceof OnCreateOptionsMenu) {
-                ((OnCreateOptionsMenu) observer).onCreateOptionsMenu(menu, inflater);
-            }
-        }
-    }
-
-    public void onPrepareOptionsMenu(final Menu menu) {
-        for (LifecycleObserver observer : mObservers) {
-            if (observer instanceof OnPrepareOptionsMenu) {
-                ((OnPrepareOptionsMenu) observer).onPrepareOptionsMenu(menu);
-            }
-        }
-    }
-
-    public boolean onOptionsItemSelected(final MenuItem menuItem) {
-        for (LifecycleObserver observer : mObservers) {
-            if (observer instanceof OnOptionsItemSelected) {
-                if (((OnOptionsItemSelected) observer).onOptionsItemSelected(menuItem)) {
-                    return true;
-                }
-            }
-        }
-        return false;
-    }
-}
diff --git a/src/com/android/settings/core/lifecycle/LifecycleObserver.java b/src/com/android/settings/core/lifecycle/LifecycleObserver.java
deleted file mode 100644
index 1f88e85..0000000
--- a/src/com/android/settings/core/lifecycle/LifecycleObserver.java
+++ /dev/null
@@ -1,22 +0,0 @@
-/*
- * Copyright (C) 2016 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.
- */
-package com.android.settings.core.lifecycle;
-
-/**
- * Observer of lifecycle events.
- */
-public interface LifecycleObserver {
-}
diff --git a/src/com/android/settings/core/lifecycle/ObservableActivity.java b/src/com/android/settings/core/lifecycle/ObservableActivity.java
deleted file mode 100644
index 006c9ae..0000000
--- a/src/com/android/settings/core/lifecycle/ObservableActivity.java
+++ /dev/null
@@ -1,105 +0,0 @@
-/*
- * Copyright (C) 2016 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.
- */
-package com.android.settings.core.lifecycle;
-
-import android.annotation.Nullable;
-import android.app.Activity;
-import android.os.Bundle;
-import android.os.PersistableBundle;
-import android.view.Menu;
-import android.view.MenuItem;
-
-/**
- * {@link Activity} that has hooks to observe activity lifecycle events.
- */
-public class ObservableActivity extends Activity {
-
-    private final Lifecycle mLifecycle = new Lifecycle();
-
-    protected Lifecycle getLifecycle() {
-        return mLifecycle;
-    }
-
-    @Override
-    protected void onCreate(@Nullable Bundle savedInstanceState) {
-        mLifecycle.onAttach(this);
-        super.onCreate(savedInstanceState);
-    }
-
-    @Override
-    public void onCreate(@Nullable Bundle savedInstanceState,
-            @Nullable PersistableBundle persistentState) {
-        mLifecycle.onAttach(this);
-        super.onCreate(savedInstanceState, persistentState);
-    }
-
-    @Override
-    protected void onStart() {
-        mLifecycle.onStart();
-        super.onStart();
-    }
-
-    @Override
-    protected void onResume() {
-        mLifecycle.onResume();
-        super.onResume();
-    }
-
-    @Override
-    protected void onPause() {
-        mLifecycle.onPause();
-        super.onPause();
-    }
-
-    @Override
-    protected void onStop() {
-        mLifecycle.onStop();
-        super.onStop();
-    }
-
-    @Override
-    protected void onDestroy() {
-        mLifecycle.onDestroy();
-        super.onDestroy();
-    }
-
-    @Override
-    public boolean onCreateOptionsMenu(final Menu menu) {
-        if (super.onCreateOptionsMenu(menu)) {
-            mLifecycle.onCreateOptionsMenu(menu, null);
-            return true;
-        }
-        return false;
-    }
-
-    @Override
-    public boolean onPrepareOptionsMenu(final Menu menu) {
-        if (super.onPrepareOptionsMenu(menu)) {
-            mLifecycle.onPrepareOptionsMenu(menu);
-            return true;
-        }
-        return false;
-    }
-
-    @Override
-    public boolean onOptionsItemSelected(final MenuItem menuItem) {
-        boolean lifecycleHandled = mLifecycle.onOptionsItemSelected(menuItem);
-        if (!lifecycleHandled) {
-            return super.onOptionsItemSelected(menuItem);
-        }
-        return lifecycleHandled;
-    }
-}
diff --git a/src/com/android/settings/core/lifecycle/ObservableDialogFragment.java b/src/com/android/settings/core/lifecycle/ObservableDialogFragment.java
deleted file mode 100644
index f902934..0000000
--- a/src/com/android/settings/core/lifecycle/ObservableDialogFragment.java
+++ /dev/null
@@ -1,94 +0,0 @@
-/*
- * Copyright (C) 2016 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.
- */
-package com.android.settings.core.lifecycle;
-
-import android.app.DialogFragment;
-import android.content.Context;
-import android.support.annotation.VisibleForTesting;
-import android.view.Menu;
-import android.view.MenuInflater;
-import android.view.MenuItem;
-
-/**
- * {@link DialogFragment} that has hooks to observe fragment lifecycle events.
- */
-public class ObservableDialogFragment extends DialogFragment {
-
-    protected final Lifecycle mLifecycle = createLifecycle();
-
-    @Override
-    public void onAttach(Context context) {
-        super.onAttach(context);
-        mLifecycle.onAttach(context);
-    }
-
-    @Override
-    public void onStart() {
-        mLifecycle.onStart();
-        super.onStart();
-    }
-
-    @Override
-    public void onResume() {
-        mLifecycle.onResume();
-        super.onResume();
-    }
-
-    @Override
-    public void onPause() {
-        mLifecycle.onPause();
-        super.onPause();
-    }
-
-    @Override
-    public void onStop() {
-        mLifecycle.onStop();
-        super.onStop();
-    }
-
-    @Override
-    public void onDestroy() {
-        mLifecycle.onDestroy();
-        super.onDestroy();
-    }
-
-    @Override
-    public void onCreateOptionsMenu(final Menu menu, final MenuInflater inflater) {
-        mLifecycle.onCreateOptionsMenu(menu, inflater);
-        super.onCreateOptionsMenu(menu, inflater);
-    }
-
-    @Override
-    public void onPrepareOptionsMenu(final Menu menu) {
-        mLifecycle.onPrepareOptionsMenu(menu);
-        super.onPrepareOptionsMenu(menu);
-    }
-
-    @Override
-    public boolean onOptionsItemSelected(final MenuItem menuItem) {
-        boolean lifecycleHandled = mLifecycle.onOptionsItemSelected(menuItem);
-        if (!lifecycleHandled) {
-            return super.onOptionsItemSelected(menuItem);
-        }
-        return lifecycleHandled;
-    }
-
-    @VisibleForTesting(otherwise = VisibleForTesting.NONE)
-    /** @return a new lifecycle. */
-    public static Lifecycle createLifecycle() {
-        return new Lifecycle();
-    }
-}
diff --git a/src/com/android/settings/core/lifecycle/ObservableFragment.java b/src/com/android/settings/core/lifecycle/ObservableFragment.java
deleted file mode 100644
index 8dae7ea..0000000
--- a/src/com/android/settings/core/lifecycle/ObservableFragment.java
+++ /dev/null
@@ -1,114 +0,0 @@
-/*
- * Copyright (C) 2016 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.
- */
-
-package com.android.settings.core.lifecycle;
-
-import android.annotation.CallSuper;
-import android.app.Fragment;
-import android.content.Context;
-import android.os.Bundle;
-import android.view.Menu;
-import android.view.MenuInflater;
-import android.view.MenuItem;
-
-public class ObservableFragment extends Fragment {
-
-    private final Lifecycle mLifecycle = new Lifecycle();
-
-    protected Lifecycle getLifecycle() {
-        return mLifecycle;
-    }
-
-    @CallSuper
-    @Override
-    public void onAttach(Context context) {
-        super.onAttach(context);
-        mLifecycle.onAttach(context);
-    }
-
-    @CallSuper
-    @Override
-    public void onCreate(Bundle savedInstanceState) {
-        mLifecycle.onCreate(savedInstanceState);
-        super.onCreate(savedInstanceState);
-    }
-
-    @CallSuper
-    @Override
-    public void onSaveInstanceState(Bundle outState) {
-        super.onSaveInstanceState(outState);
-        mLifecycle.onSaveInstanceState(outState);
-    }
-
-    @CallSuper
-    @Override
-    public void onStart() {
-        mLifecycle.onStart();
-        super.onStart();
-    }
-
-    @CallSuper
-    @Override
-    public void onStop() {
-        mLifecycle.onStop();
-        super.onStop();
-    }
-
-    @CallSuper
-    @Override
-    public void onResume() {
-        mLifecycle.onResume();
-        super.onResume();
-    }
-
-    @CallSuper
-    @Override
-    public void onPause() {
-        mLifecycle.onPause();
-        super.onPause();
-    }
-
-    @CallSuper
-    @Override
-    public void onDestroy() {
-        mLifecycle.onDestroy();
-        super.onDestroy();
-    }
-
-    @CallSuper
-    @Override
-    public void onCreateOptionsMenu(final Menu menu, final MenuInflater inflater) {
-        mLifecycle.onCreateOptionsMenu(menu, inflater);
-        super.onCreateOptionsMenu(menu, inflater);
-    }
-
-    @CallSuper
-    @Override
-    public void onPrepareOptionsMenu(final Menu menu) {
-        mLifecycle.onPrepareOptionsMenu(menu);
-        super.onPrepareOptionsMenu(menu);
-    }
-
-    @CallSuper
-    @Override
-    public boolean onOptionsItemSelected(final MenuItem menuItem) {
-        boolean lifecycleHandled = mLifecycle.onOptionsItemSelected(menuItem);
-        if (!lifecycleHandled) {
-            return super.onOptionsItemSelected(menuItem);
-        }
-        return lifecycleHandled;
-    }
-}
\ No newline at end of file
diff --git a/src/com/android/settings/core/lifecycle/ObservablePreferenceFragment.java b/src/com/android/settings/core/lifecycle/ObservablePreferenceFragment.java
deleted file mode 100644
index 94a0be1..0000000
--- a/src/com/android/settings/core/lifecycle/ObservablePreferenceFragment.java
+++ /dev/null
@@ -1,124 +0,0 @@
-/*
- * Copyright (C) 2016 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.
- */
-package com.android.settings.core.lifecycle;
-
-
-import android.annotation.CallSuper;
-import android.content.Context;
-import android.os.Bundle;
-import android.support.v14.preference.PreferenceFragment;
-import android.support.v7.preference.PreferenceScreen;
-import android.view.Menu;
-import android.view.MenuInflater;
-import android.view.MenuItem;
-
-/**
- * {@link PreferenceFragment} that has hooks to observe fragment lifecycle events.
- */
-public abstract class ObservablePreferenceFragment extends PreferenceFragment {
-
-    private final Lifecycle mLifecycle = new Lifecycle();
-
-    protected Lifecycle getLifecycle() {
-        return mLifecycle;
-    }
-
-    @CallSuper
-    @Override
-    public void onAttach(Context context) {
-        super.onAttach(context);
-        mLifecycle.onAttach(context);
-    }
-
-    @CallSuper
-    @Override
-    public void onCreate(Bundle savedInstanceState) {
-        mLifecycle.onCreate(savedInstanceState);
-        super.onCreate(savedInstanceState);
-    }
-
-    @Override
-    public void setPreferenceScreen(PreferenceScreen preferenceScreen) {
-        mLifecycle.setPreferenceScreen(preferenceScreen);
-        super.setPreferenceScreen(preferenceScreen);
-    }
-
-    @CallSuper
-    @Override
-    public void onSaveInstanceState(Bundle outState) {
-        super.onSaveInstanceState(outState);
-        mLifecycle.onSaveInstanceState(outState);
-    }
-
-    @CallSuper
-    @Override
-    public void onStart() {
-        mLifecycle.onStart();
-        super.onStart();
-    }
-
-    @CallSuper
-    @Override
-    public void onStop() {
-        mLifecycle.onStop();
-        super.onStop();
-    }
-
-    @CallSuper
-    @Override
-    public void onResume() {
-        mLifecycle.onResume();
-        super.onResume();
-    }
-
-    @CallSuper
-    @Override
-    public void onPause() {
-        mLifecycle.onPause();
-        super.onPause();
-    }
-
-    @CallSuper
-    @Override
-    public void onDestroy() {
-        mLifecycle.onDestroy();
-        super.onDestroy();
-    }
-
-    @CallSuper
-    @Override
-    public void onCreateOptionsMenu(final Menu menu, final MenuInflater inflater) {
-        mLifecycle.onCreateOptionsMenu(menu, inflater);
-        super.onCreateOptionsMenu(menu, inflater);
-    }
-
-    @CallSuper
-    @Override
-    public void onPrepareOptionsMenu(final Menu menu) {
-        mLifecycle.onPrepareOptionsMenu(menu);
-        super.onPrepareOptionsMenu(menu);
-    }
-
-    @CallSuper
-    @Override
-    public boolean onOptionsItemSelected(final MenuItem menuItem) {
-        boolean lifecycleHandled = mLifecycle.onOptionsItemSelected(menuItem);
-        if (!lifecycleHandled) {
-            return super.onOptionsItemSelected(menuItem);
-        }
-        return lifecycleHandled;
-    }
-}
diff --git a/src/com/android/settings/dashboard/ProgressiveDisclosureMixin.java b/src/com/android/settings/dashboard/ProgressiveDisclosureMixin.java
index 0cc3d15..92055be 100644
--- a/src/com/android/settings/dashboard/ProgressiveDisclosureMixin.java
+++ b/src/com/android/settings/dashboard/ProgressiveDisclosureMixin.java
@@ -30,10 +30,10 @@
 import com.android.settings.R;
 import com.android.settings.core.instrumentation.Instrumentable;
 import com.android.settings.core.instrumentation.MetricsFeatureProvider;
-import com.android.settings.core.lifecycle.LifecycleObserver;
-import com.android.settings.core.lifecycle.events.OnCreate;
-import com.android.settings.core.lifecycle.events.OnSaveInstanceState;
 import com.android.settings.overlay.FeatureFactory;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnCreate;
+import com.android.settingslib.core.lifecycle.events.OnSaveInstanceState;
 
 import java.util.ArrayList;
 import java.util.Collections;
diff --git a/src/com/android/settings/dashboard/conditional/ConditionManager.java b/src/com/android/settings/dashboard/conditional/ConditionManager.java
index c67fb32..e1ca617 100644
--- a/src/com/android/settings/dashboard/conditional/ConditionManager.java
+++ b/src/com/android/settings/dashboard/conditional/ConditionManager.java
@@ -21,9 +21,9 @@
 import android.util.Log;
 import android.util.Xml;
 
-import com.android.settings.core.lifecycle.LifecycleObserver;
-import com.android.settings.core.lifecycle.events.OnPause;
-import com.android.settings.core.lifecycle.events.OnResume;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnPause;
+import com.android.settingslib.core.lifecycle.events.OnResume;
 import org.xmlpull.v1.XmlPullParser;
 import org.xmlpull.v1.XmlPullParserException;
 import org.xmlpull.v1.XmlSerializer;
diff --git a/src/com/android/settings/datetime/TimeChangeListenerMixin.java b/src/com/android/settings/datetime/TimeChangeListenerMixin.java
index f3729ae..f93ee0c 100644
--- a/src/com/android/settings/datetime/TimeChangeListenerMixin.java
+++ b/src/com/android/settings/datetime/TimeChangeListenerMixin.java
@@ -21,9 +21,9 @@
 import android.content.Intent;
 import android.content.IntentFilter;
 
-import com.android.settings.core.lifecycle.LifecycleObserver;
-import com.android.settings.core.lifecycle.events.OnPause;
-import com.android.settings.core.lifecycle.events.OnResume;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnPause;
+import com.android.settingslib.core.lifecycle.events.OnResume;
 
 public class TimeChangeListenerMixin extends BroadcastReceiver
         implements LifecycleObserver, OnPause, OnResume {
diff --git a/src/com/android/settings/development/DevelopmentSettingsEnabler.java b/src/com/android/settings/development/DevelopmentSettingsEnabler.java
index e97997e..7132631 100644
--- a/src/com/android/settings/development/DevelopmentSettingsEnabler.java
+++ b/src/com/android/settings/development/DevelopmentSettingsEnabler.java
@@ -20,9 +20,9 @@
 import android.content.SharedPreferences;
 import android.provider.Settings;
 
-import com.android.settings.core.lifecycle.Lifecycle;
-import com.android.settings.core.lifecycle.LifecycleObserver;
-import com.android.settings.core.lifecycle.events.OnResume;
+import com.android.settingslib.core.lifecycle.Lifecycle;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnResume;
 
 public class DevelopmentSettingsEnabler implements LifecycleObserver, OnResume {
 
diff --git a/src/com/android/settings/deviceinfo/BuildNumberPreferenceController.java b/src/com/android/settings/deviceinfo/BuildNumberPreferenceController.java
index bee1351..5a1835d 100644
--- a/src/com/android/settings/deviceinfo/BuildNumberPreferenceController.java
+++ b/src/com/android/settings/deviceinfo/BuildNumberPreferenceController.java
@@ -35,13 +35,13 @@
 import com.android.settings.Utils;
 import com.android.settings.core.PreferenceController;
 import com.android.settings.core.instrumentation.MetricsFeatureProvider;
-import com.android.settings.core.lifecycle.Lifecycle;
-import com.android.settings.core.lifecycle.LifecycleObserver;
-import com.android.settings.core.lifecycle.events.OnResume;
 import com.android.settings.development.DevelopmentSettings;
 import com.android.settings.development.DevelopmentSettingsEnabler;
 import com.android.settings.overlay.FeatureFactory;
 import com.android.settingslib.RestrictedLockUtils;
+import com.android.settingslib.core.lifecycle.Lifecycle;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnResume;
 
 public class BuildNumberPreferenceController extends PreferenceController
         implements LifecycleObserver, OnResume {
diff --git a/src/com/android/settings/deviceinfo/FirmwareVersionPreferenceController.java b/src/com/android/settings/deviceinfo/FirmwareVersionPreferenceController.java
index e8792f2..1b56301 100644
--- a/src/com/android/settings/deviceinfo/FirmwareVersionPreferenceController.java
+++ b/src/com/android/settings/deviceinfo/FirmwareVersionPreferenceController.java
@@ -27,10 +27,10 @@
 import android.util.Log;
 
 import com.android.settings.core.PreferenceController;
-import com.android.settings.core.lifecycle.Lifecycle;
-import com.android.settings.core.lifecycle.LifecycleObserver;
-import com.android.settings.core.lifecycle.events.OnResume;
 import com.android.settingslib.RestrictedLockUtils;
+import com.android.settingslib.core.lifecycle.Lifecycle;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnResume;
 
 
 public class FirmwareVersionPreferenceController extends PreferenceController
diff --git a/src/com/android/settings/deviceinfo/PrivateVolumeOptionMenuController.java b/src/com/android/settings/deviceinfo/PrivateVolumeOptionMenuController.java
index 4724c3d..88b9487 100644
--- a/src/com/android/settings/deviceinfo/PrivateVolumeOptionMenuController.java
+++ b/src/com/android/settings/deviceinfo/PrivateVolumeOptionMenuController.java
@@ -25,11 +25,11 @@
 
 import com.android.settings.R;
 import com.android.settings.applications.PackageManagerWrapper;
-import com.android.settings.core.lifecycle.Lifecycle;
-import com.android.settings.core.lifecycle.LifecycleObserver;
-import com.android.settings.core.lifecycle.events.OnCreateOptionsMenu;
-import com.android.settings.core.lifecycle.events.OnOptionsItemSelected;
-import com.android.settings.core.lifecycle.events.OnPrepareOptionsMenu;
+import com.android.settingslib.core.lifecycle.Lifecycle;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnCreateOptionsMenu;
+import com.android.settingslib.core.lifecycle.events.OnOptionsItemSelected;
+import com.android.settingslib.core.lifecycle.events.OnPrepareOptionsMenu;
 
 import java.util.Objects;
 
diff --git a/src/com/android/settings/deviceinfo/storage/AutomaticStorageManagementSwitchPreferenceController.java b/src/com/android/settings/deviceinfo/storage/AutomaticStorageManagementSwitchPreferenceController.java
index a8ca5b9..acd34f0 100644
--- a/src/com/android/settings/deviceinfo/storage/AutomaticStorageManagementSwitchPreferenceController.java
+++ b/src/com/android/settings/deviceinfo/storage/AutomaticStorageManagementSwitchPreferenceController.java
@@ -26,12 +26,12 @@
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.core.PreferenceController;
 import com.android.settings.core.instrumentation.MetricsFeatureProvider;
-import com.android.settings.core.lifecycle.LifecycleObserver;
-import com.android.settings.core.lifecycle.events.OnResume;
 import com.android.settings.deletionhelper.ActivationWarningFragment;
 import com.android.settings.widget.MasterSwitchController;
 import com.android.settings.widget.MasterSwitchPreference;
 import com.android.settings.widget.SwitchWidgetController;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnResume;
 
 public class AutomaticStorageManagementSwitchPreferenceController extends PreferenceController
         implements LifecycleObserver, OnResume, SwitchWidgetController.OnSwitchChangeListener {
diff --git a/src/com/android/settings/display/AutoRotatePreferenceController.java b/src/com/android/settings/display/AutoRotatePreferenceController.java
index af2cd85..a39cde5 100644
--- a/src/com/android/settings/display/AutoRotatePreferenceController.java
+++ b/src/com/android/settings/display/AutoRotatePreferenceController.java
@@ -21,11 +21,11 @@
 import com.android.internal.view.RotationPolicy;
 import com.android.settings.core.PreferenceController;
 import com.android.settings.core.instrumentation.MetricsFeatureProvider;
-import com.android.settings.core.lifecycle.Lifecycle;
-import com.android.settings.core.lifecycle.LifecycleObserver;
-import com.android.settings.core.lifecycle.events.OnPause;
-import com.android.settings.core.lifecycle.events.OnResume;
 import com.android.settings.overlay.FeatureFactory;
+import com.android.settingslib.core.lifecycle.Lifecycle;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnPause;
+import com.android.settingslib.core.lifecycle.events.OnResume;
 
 public class AutoRotatePreferenceController extends PreferenceController implements
         Preference.OnPreferenceChangeListener, LifecycleObserver, OnResume, OnPause {
diff --git a/src/com/android/settings/display/BrightnessLevelPreferenceController.java b/src/com/android/settings/display/BrightnessLevelPreferenceController.java
index a6e5ed7..3436d2d 100644
--- a/src/com/android/settings/display/BrightnessLevelPreferenceController.java
+++ b/src/com/android/settings/display/BrightnessLevelPreferenceController.java
@@ -31,10 +31,10 @@
 import android.util.Log;
 
 import com.android.settings.core.PreferenceController;
-import com.android.settings.core.lifecycle.Lifecycle;
-import com.android.settings.core.lifecycle.LifecycleObserver;
-import com.android.settings.core.lifecycle.events.OnPause;
-import com.android.settings.core.lifecycle.events.OnResume;
+import com.android.settingslib.core.lifecycle.Lifecycle;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnPause;
+import com.android.settingslib.core.lifecycle.events.OnResume;
 
 import java.text.NumberFormat;
 
diff --git a/src/com/android/settings/enterprise/AdminGrantedCameraPermissionPreferenceController.java b/src/com/android/settings/enterprise/AdminGrantedCameraPermissionPreferenceController.java
index 003ed11..be41e4d 100644
--- a/src/com/android/settings/enterprise/AdminGrantedCameraPermissionPreferenceController.java
+++ b/src/com/android/settings/enterprise/AdminGrantedCameraPermissionPreferenceController.java
@@ -17,7 +17,7 @@
 import android.Manifest;
 import android.content.Context;
 
-import com.android.settings.core.lifecycle.Lifecycle;
+import com.android.settingslib.core.lifecycle.Lifecycle;
 
 public class AdminGrantedCameraPermissionPreferenceController extends
         AdminGrantedPermissionsPreferenceControllerBase {
diff --git a/src/com/android/settings/enterprise/AdminGrantedLocationPermissionsPreferenceController.java b/src/com/android/settings/enterprise/AdminGrantedLocationPermissionsPreferenceController.java
index 5343483..77c6040 100644
--- a/src/com/android/settings/enterprise/AdminGrantedLocationPermissionsPreferenceController.java
+++ b/src/com/android/settings/enterprise/AdminGrantedLocationPermissionsPreferenceController.java
@@ -17,7 +17,7 @@
 import android.Manifest;
 import android.content.Context;
 
-import com.android.settings.core.lifecycle.Lifecycle;
+import com.android.settingslib.core.lifecycle.Lifecycle;
 
 public class AdminGrantedLocationPermissionsPreferenceController extends
         AdminGrantedPermissionsPreferenceControllerBase {
diff --git a/src/com/android/settings/enterprise/AdminGrantedMicrophonePermissionPreferenceController.java b/src/com/android/settings/enterprise/AdminGrantedMicrophonePermissionPreferenceController.java
index 64396c5..9896420 100644
--- a/src/com/android/settings/enterprise/AdminGrantedMicrophonePermissionPreferenceController.java
+++ b/src/com/android/settings/enterprise/AdminGrantedMicrophonePermissionPreferenceController.java
@@ -17,7 +17,7 @@
 import android.Manifest;
 import android.content.Context;
 
-import com.android.settings.core.lifecycle.Lifecycle;
+import com.android.settingslib.core.lifecycle.Lifecycle;
 
 public class AdminGrantedMicrophonePermissionPreferenceController extends
         AdminGrantedPermissionsPreferenceControllerBase {
diff --git a/src/com/android/settings/enterprise/AdminGrantedPermissionsPreferenceControllerBase.java b/src/com/android/settings/enterprise/AdminGrantedPermissionsPreferenceControllerBase.java
index f0aca01..1fe35a3 100644
--- a/src/com/android/settings/enterprise/AdminGrantedPermissionsPreferenceControllerBase.java
+++ b/src/com/android/settings/enterprise/AdminGrantedPermissionsPreferenceControllerBase.java
@@ -21,8 +21,8 @@
 import com.android.settings.R;
 import com.android.settings.applications.ApplicationFeatureProvider;
 import com.android.settings.core.DynamicAvailabilityPreferenceController;
-import com.android.settings.core.lifecycle.Lifecycle;
 import com.android.settings.overlay.FeatureFactory;
+import com.android.settingslib.core.lifecycle.Lifecycle;
 
 public abstract class AdminGrantedPermissionsPreferenceControllerBase
         extends DynamicAvailabilityPreferenceController {
diff --git a/src/com/android/settings/enterprise/AlwaysOnVpnCurrentUserPreferenceController.java b/src/com/android/settings/enterprise/AlwaysOnVpnCurrentUserPreferenceController.java
index e98ece8..a2ff5b6 100644
--- a/src/com/android/settings/enterprise/AlwaysOnVpnCurrentUserPreferenceController.java
+++ b/src/com/android/settings/enterprise/AlwaysOnVpnCurrentUserPreferenceController.java
@@ -18,8 +18,8 @@
 
 import com.android.settings.R;
 import com.android.settings.core.DynamicAvailabilityPreferenceController;
-import com.android.settings.core.lifecycle.Lifecycle;
 import com.android.settings.overlay.FeatureFactory;
+import com.android.settingslib.core.lifecycle.Lifecycle;
 
 public class AlwaysOnVpnCurrentUserPreferenceController
         extends DynamicAvailabilityPreferenceController {
diff --git a/src/com/android/settings/enterprise/AlwaysOnVpnManagedProfilePreferenceController.java b/src/com/android/settings/enterprise/AlwaysOnVpnManagedProfilePreferenceController.java
index 4796b75..9851252 100644
--- a/src/com/android/settings/enterprise/AlwaysOnVpnManagedProfilePreferenceController.java
+++ b/src/com/android/settings/enterprise/AlwaysOnVpnManagedProfilePreferenceController.java
@@ -16,8 +16,8 @@
 import android.content.Context;
 
 import com.android.settings.core.DynamicAvailabilityPreferenceController;
-import com.android.settings.core.lifecycle.Lifecycle;
 import com.android.settings.overlay.FeatureFactory;
+import com.android.settingslib.core.lifecycle.Lifecycle;
 
 public class AlwaysOnVpnManagedProfilePreferenceController
         extends DynamicAvailabilityPreferenceController {
diff --git a/src/com/android/settings/enterprise/CaCertsPreferenceController.java b/src/com/android/settings/enterprise/CaCertsPreferenceController.java
index d020676..c5203c7 100644
--- a/src/com/android/settings/enterprise/CaCertsPreferenceController.java
+++ b/src/com/android/settings/enterprise/CaCertsPreferenceController.java
@@ -20,8 +20,8 @@
 
 import com.android.settings.R;
 import com.android.settings.core.DynamicAvailabilityPreferenceController;
-import com.android.settings.core.lifecycle.Lifecycle;
 import com.android.settings.overlay.FeatureFactory;
+import com.android.settingslib.core.lifecycle.Lifecycle;
 
 public class CaCertsPreferenceController extends DynamicAvailabilityPreferenceController {
 
diff --git a/src/com/android/settings/enterprise/EnterpriseInstalledPackagesPreferenceController.java b/src/com/android/settings/enterprise/EnterpriseInstalledPackagesPreferenceController.java
index acbcc2e..9a64788 100644
--- a/src/com/android/settings/enterprise/EnterpriseInstalledPackagesPreferenceController.java
+++ b/src/com/android/settings/enterprise/EnterpriseInstalledPackagesPreferenceController.java
@@ -19,8 +19,8 @@
 import com.android.settings.R;
 import com.android.settings.applications.ApplicationFeatureProvider;
 import com.android.settings.core.DynamicAvailabilityPreferenceController;
-import com.android.settings.core.lifecycle.Lifecycle;
 import com.android.settings.overlay.FeatureFactory;
+import com.android.settingslib.core.lifecycle.Lifecycle;
 
 public class EnterpriseInstalledPackagesPreferenceController
         extends DynamicAvailabilityPreferenceController {
diff --git a/src/com/android/settings/enterprise/EnterprisePrivacyPreferenceController.java b/src/com/android/settings/enterprise/EnterprisePrivacyPreferenceController.java
index 69e0416..e45373d 100644
--- a/src/com/android/settings/enterprise/EnterprisePrivacyPreferenceController.java
+++ b/src/com/android/settings/enterprise/EnterprisePrivacyPreferenceController.java
@@ -18,8 +18,8 @@
 
 import com.android.settings.R;
 import com.android.settings.core.DynamicAvailabilityPreferenceController;
-import com.android.settings.core.lifecycle.Lifecycle;
 import com.android.settings.overlay.FeatureFactory;
+import com.android.settingslib.core.lifecycle.Lifecycle;
 
 public class EnterprisePrivacyPreferenceController extends DynamicAvailabilityPreferenceController {
 
diff --git a/src/com/android/settings/enterprise/EnterprisePrivacySettings.java b/src/com/android/settings/enterprise/EnterprisePrivacySettings.java
index a80dec0..b6860e3 100644
--- a/src/com/android/settings/enterprise/EnterprisePrivacySettings.java
+++ b/src/com/android/settings/enterprise/EnterprisePrivacySettings.java
@@ -22,10 +22,10 @@
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.R;
 import com.android.settings.core.PreferenceController;
-import com.android.settings.core.lifecycle.Lifecycle;
 import com.android.settings.dashboard.DashboardFragment;
 import com.android.settings.overlay.FeatureFactory;
 import com.android.settings.search.BaseSearchIndexProvider;
+import com.android.settingslib.core.lifecycle.Lifecycle;
 
 import java.util.ArrayList;
 import java.util.Arrays;
diff --git a/src/com/android/settings/enterprise/EnterpriseSetDefaultAppsPreferenceController.java b/src/com/android/settings/enterprise/EnterpriseSetDefaultAppsPreferenceController.java
index 2f43a61..946631e 100644
--- a/src/com/android/settings/enterprise/EnterpriseSetDefaultAppsPreferenceController.java
+++ b/src/com/android/settings/enterprise/EnterpriseSetDefaultAppsPreferenceController.java
@@ -21,9 +21,9 @@
 import com.android.settings.applications.ApplicationFeatureProvider;
 import com.android.settings.applications.EnterpriseDefaultApps;
 import com.android.settings.core.DynamicAvailabilityPreferenceController;
-import com.android.settings.core.lifecycle.Lifecycle;
 import com.android.settings.overlay.FeatureFactory;
 import com.android.settings.users.UserFeatureProvider;
+import com.android.settingslib.core.lifecycle.Lifecycle;
 
 public class EnterpriseSetDefaultAppsPreferenceController
         extends DynamicAvailabilityPreferenceController {
diff --git a/src/com/android/settings/enterprise/FailedPasswordWipeCurrentUserPreferenceController.java b/src/com/android/settings/enterprise/FailedPasswordWipeCurrentUserPreferenceController.java
index d3f9a98..d7f8dc0 100644
--- a/src/com/android/settings/enterprise/FailedPasswordWipeCurrentUserPreferenceController.java
+++ b/src/com/android/settings/enterprise/FailedPasswordWipeCurrentUserPreferenceController.java
@@ -15,7 +15,7 @@
 
 import android.content.Context;
 
-import com.android.settings.core.lifecycle.Lifecycle;
+import com.android.settingslib.core.lifecycle.Lifecycle;
 
 public class FailedPasswordWipeCurrentUserPreferenceController
         extends FailedPasswordWipePreferenceControllerBase {
diff --git a/src/com/android/settings/enterprise/FailedPasswordWipeManagedProfilePreferenceController.java b/src/com/android/settings/enterprise/FailedPasswordWipeManagedProfilePreferenceController.java
index 205d7c1..739003a 100644
--- a/src/com/android/settings/enterprise/FailedPasswordWipeManagedProfilePreferenceController.java
+++ b/src/com/android/settings/enterprise/FailedPasswordWipeManagedProfilePreferenceController.java
@@ -14,7 +14,7 @@
 package com.android.settings.enterprise;
 
 import android.content.Context;
-import com.android.settings.core.lifecycle.Lifecycle;
+import com.android.settingslib.core.lifecycle.Lifecycle;
 
 public class FailedPasswordWipeManagedProfilePreferenceController
         extends FailedPasswordWipePreferenceControllerBase {
diff --git a/src/com/android/settings/enterprise/FailedPasswordWipePreferenceControllerBase.java b/src/com/android/settings/enterprise/FailedPasswordWipePreferenceControllerBase.java
index 2f35da6..530de1c 100644
--- a/src/com/android/settings/enterprise/FailedPasswordWipePreferenceControllerBase.java
+++ b/src/com/android/settings/enterprise/FailedPasswordWipePreferenceControllerBase.java
@@ -20,8 +20,8 @@
 
 import com.android.settings.R;
 import com.android.settings.core.DynamicAvailabilityPreferenceController;
-import com.android.settings.core.lifecycle.Lifecycle;
 import com.android.settings.overlay.FeatureFactory;
+import com.android.settingslib.core.lifecycle.Lifecycle;
 
 public abstract class FailedPasswordWipePreferenceControllerBase
         extends DynamicAvailabilityPreferenceController {
diff --git a/src/com/android/settings/enterprise/GlobalHttpProxyPreferenceController.java b/src/com/android/settings/enterprise/GlobalHttpProxyPreferenceController.java
index 6ee7fc4..277b623 100644
--- a/src/com/android/settings/enterprise/GlobalHttpProxyPreferenceController.java
+++ b/src/com/android/settings/enterprise/GlobalHttpProxyPreferenceController.java
@@ -16,8 +16,8 @@
 import android.content.Context;
 
 import com.android.settings.core.DynamicAvailabilityPreferenceController;
-import com.android.settings.core.lifecycle.Lifecycle;
 import com.android.settings.overlay.FeatureFactory;
+import com.android.settingslib.core.lifecycle.Lifecycle;
 
 public class GlobalHttpProxyPreferenceController extends DynamicAvailabilityPreferenceController {
 
diff --git a/src/com/android/settings/enterprise/ImePreferenceController.java b/src/com/android/settings/enterprise/ImePreferenceController.java
index b090bed..f2d5ddf 100644
--- a/src/com/android/settings/enterprise/ImePreferenceController.java
+++ b/src/com/android/settings/enterprise/ImePreferenceController.java
@@ -20,8 +20,8 @@
 
 import com.android.settings.R;
 import com.android.settings.core.DynamicAvailabilityPreferenceController;
-import com.android.settings.core.lifecycle.Lifecycle;
 import com.android.settings.overlay.FeatureFactory;
+import com.android.settingslib.core.lifecycle.Lifecycle;
 
 public class ImePreferenceController extends DynamicAvailabilityPreferenceController {
 
diff --git a/src/com/android/settings/fingerprint/FingerprintSettings.java b/src/com/android/settings/fingerprint/FingerprintSettings.java
index fb59c59..9b54385 100644
--- a/src/com/android/settings/fingerprint/FingerprintSettings.java
+++ b/src/com/android/settings/fingerprint/FingerprintSettings.java
@@ -63,9 +63,9 @@
 import com.android.settings.SubSettings;
 import com.android.settings.Utils;
 import com.android.settings.core.instrumentation.InstrumentedDialogFragment;
-import com.android.settings.widget.FooterPreference;
 import com.android.settingslib.HelpUtils;
 import com.android.settingslib.RestrictedLockUtils;
+import com.android.settingslib.widget.FooterPreference;
 
 import java.util.List;
 import java.util.HashMap;
diff --git a/src/com/android/settings/fuelgauge/AppButtonsPreferenceController.java b/src/com/android/settings/fuelgauge/AppButtonsPreferenceController.java
index 49a0179..f4f6c36 100644
--- a/src/com/android/settings/fuelgauge/AppButtonsPreferenceController.java
+++ b/src/com/android/settings/fuelgauge/AppButtonsPreferenceController.java
@@ -52,16 +52,16 @@
 import com.android.settings.applications.LayoutPreference;
 import com.android.settings.core.PreferenceController;
 import com.android.settings.core.instrumentation.MetricsFeatureProvider;
-import com.android.settings.core.lifecycle.Lifecycle;
-import com.android.settings.core.lifecycle.LifecycleObserver;
-import com.android.settings.core.lifecycle.events.OnDestroy;
-import com.android.settings.core.lifecycle.events.OnPause;
-import com.android.settings.core.lifecycle.events.OnResume;
 import com.android.settings.enterprise.DevicePolicyManagerWrapper;
 import com.android.settings.overlay.FeatureFactory;
 import com.android.settingslib.RestrictedLockUtils;
 import com.android.settingslib.applications.AppUtils;
 import com.android.settingslib.applications.ApplicationsState;
+import com.android.settingslib.core.lifecycle.Lifecycle;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnDestroy;
+import com.android.settingslib.core.lifecycle.events.OnPause;
+import com.android.settingslib.core.lifecycle.events.OnResume;
 
 import java.util.ArrayList;
 import java.util.HashSet;
diff --git a/src/com/android/settings/fuelgauge/BatterySaverController.java b/src/com/android/settings/fuelgauge/BatterySaverController.java
index 34c9a26..5d64f1c 100644
--- a/src/com/android/settings/fuelgauge/BatterySaverController.java
+++ b/src/com/android/settings/fuelgauge/BatterySaverController.java
@@ -31,13 +31,13 @@
 import com.android.settings.R;
 import com.android.settings.Utils;
 import com.android.settings.core.PreferenceController;
-import com.android.settings.core.lifecycle.Lifecycle;
-import com.android.settings.core.lifecycle.LifecycleObserver;
-import com.android.settings.core.lifecycle.events.OnStart;
-import com.android.settings.core.lifecycle.events.OnStop;
 import com.android.settings.dashboard.conditional.BatterySaverCondition;
 import com.android.settings.dashboard.conditional.ConditionManager;
 import com.android.settings.widget.MasterSwitchPreference;
+import com.android.settingslib.core.lifecycle.Lifecycle;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnStart;
+import com.android.settingslib.core.lifecycle.events.OnStop;
 
 import static android.os.PowerManager.ACTION_POWER_SAVE_MODE_CHANGING;
 
diff --git a/src/com/android/settings/fuelgauge/PowerUsageSummary.java b/src/com/android/settings/fuelgauge/PowerUsageSummary.java
index 0a622c7..ea90744 100644
--- a/src/com/android/settings/fuelgauge/PowerUsageSummary.java
+++ b/src/com/android/settings/fuelgauge/PowerUsageSummary.java
@@ -75,8 +75,8 @@
 import com.android.settings.fuelgauge.anomaly.AnomalySummaryPreferenceController;
 import com.android.settings.overlay.FeatureFactory;
 import com.android.settings.search.BaseSearchIndexProvider;
-import com.android.settings.widget.FooterPreferenceMixin;
 import com.android.settingslib.BatteryInfo;
+import com.android.settingslib.widget.FooterPreferenceMixin;
 
 import java.util.ArrayList;
 import java.util.Arrays;
diff --git a/src/com/android/settings/gestures/AssistGesturePreferenceController.java b/src/com/android/settings/gestures/AssistGesturePreferenceController.java
index f0ba888..c59c328 100644
--- a/src/com/android/settings/gestures/AssistGesturePreferenceController.java
+++ b/src/com/android/settings/gestures/AssistGesturePreferenceController.java
@@ -23,10 +23,10 @@
 import android.support.v7.preference.PreferenceScreen;
 
 import com.android.settings.applications.assist.AssistSettingObserver;
-import com.android.settings.core.lifecycle.Lifecycle;
-import com.android.settings.core.lifecycle.events.OnPause;
-import com.android.settings.core.lifecycle.events.OnResume;
 import com.android.settings.overlay.FeatureFactory;
+import com.android.settingslib.core.lifecycle.Lifecycle;
+import com.android.settingslib.core.lifecycle.events.OnPause;
+import com.android.settingslib.core.lifecycle.events.OnResume;
 
 import java.util.Arrays;
 import java.util.List;
diff --git a/src/com/android/settings/gestures/AssistGestureSensitivityPreferenceController.java b/src/com/android/settings/gestures/AssistGestureSensitivityPreferenceController.java
index 5334e62..3b41434 100644
--- a/src/com/android/settings/gestures/AssistGestureSensitivityPreferenceController.java
+++ b/src/com/android/settings/gestures/AssistGestureSensitivityPreferenceController.java
@@ -26,11 +26,11 @@
 
 import com.android.settings.SeekBarPreference;
 import com.android.settings.core.PreferenceController;
-import com.android.settings.core.lifecycle.Lifecycle;
-import com.android.settings.core.lifecycle.LifecycleObserver;
-import com.android.settings.core.lifecycle.events.OnPause;
-import com.android.settings.core.lifecycle.events.OnResume;
 import com.android.settings.overlay.FeatureFactory;
+import com.android.settingslib.core.lifecycle.Lifecycle;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnPause;
+import com.android.settingslib.core.lifecycle.events.OnResume;
 
 public class AssistGestureSensitivityPreferenceController extends PreferenceController
         implements Preference.OnPreferenceChangeListener, LifecycleObserver, OnPause, OnResume {
diff --git a/src/com/android/settings/gestures/AssistGestureSettings.java b/src/com/android/settings/gestures/AssistGestureSettings.java
index 238b8b6..8874e3f 100644
--- a/src/com/android/settings/gestures/AssistGestureSettings.java
+++ b/src/com/android/settings/gestures/AssistGestureSettings.java
@@ -22,9 +22,9 @@
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.R;
 import com.android.settings.core.PreferenceController;
-import com.android.settings.core.lifecycle.Lifecycle;
 import com.android.settings.dashboard.DashboardFragment;
 import com.android.settings.search.BaseSearchIndexProvider;
+import com.android.settingslib.core.lifecycle.Lifecycle;
 
 import java.util.ArrayList;
 import java.util.Arrays;
diff --git a/src/com/android/settings/gestures/CameraLiftTriggerPreferenceController.java b/src/com/android/settings/gestures/CameraLiftTriggerPreferenceController.java
index 3492099..35f4bc6 100644
--- a/src/com/android/settings/gestures/CameraLiftTriggerPreferenceController.java
+++ b/src/com/android/settings/gestures/CameraLiftTriggerPreferenceController.java
@@ -22,9 +22,9 @@
 
 import android.util.ArrayMap;
 import com.android.settings.R;
-import com.android.settings.core.lifecycle.Lifecycle;
 import com.android.settings.search2.InlineSwitchPayload;
 import com.android.settings.search2.ResultPayload;
+import com.android.settingslib.core.lifecycle.Lifecycle;
 
 public class CameraLiftTriggerPreferenceController extends GesturePreferenceController {
 
diff --git a/src/com/android/settings/gestures/CameraLiftTriggerSettings.java b/src/com/android/settings/gestures/CameraLiftTriggerSettings.java
index eb36503..a222b0b 100644
--- a/src/com/android/settings/gestures/CameraLiftTriggerSettings.java
+++ b/src/com/android/settings/gestures/CameraLiftTriggerSettings.java
@@ -22,9 +22,9 @@
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.R;
 import com.android.settings.core.PreferenceController;
-import com.android.settings.core.lifecycle.Lifecycle;
 import com.android.settings.dashboard.DashboardFragment;
 import com.android.settings.search.BaseSearchIndexProvider;
+import com.android.settingslib.core.lifecycle.Lifecycle;
 
 import java.util.ArrayList;
 import java.util.Arrays;
diff --git a/src/com/android/settings/gestures/DoubleTapPowerPreferenceController.java b/src/com/android/settings/gestures/DoubleTapPowerPreferenceController.java
index d38902e..df7f734 100644
--- a/src/com/android/settings/gestures/DoubleTapPowerPreferenceController.java
+++ b/src/com/android/settings/gestures/DoubleTapPowerPreferenceController.java
@@ -21,9 +21,9 @@
 import android.support.v7.preference.Preference;
 
 import android.util.ArrayMap;
-import com.android.settings.core.lifecycle.Lifecycle;
 import com.android.settings.search2.InlineSwitchPayload;
 import com.android.settings.search2.ResultPayload;
+import com.android.settingslib.core.lifecycle.Lifecycle;
 
 public class DoubleTapPowerPreferenceController extends GesturePreferenceController {
 
diff --git a/src/com/android/settings/gestures/DoubleTapPowerSettings.java b/src/com/android/settings/gestures/DoubleTapPowerSettings.java
index 467cec8..111281f 100644
--- a/src/com/android/settings/gestures/DoubleTapPowerSettings.java
+++ b/src/com/android/settings/gestures/DoubleTapPowerSettings.java
@@ -22,9 +22,9 @@
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.R;
 import com.android.settings.core.PreferenceController;
-import com.android.settings.core.lifecycle.Lifecycle;
 import com.android.settings.dashboard.DashboardFragment;
 import com.android.settings.search.BaseSearchIndexProvider;
+import com.android.settingslib.core.lifecycle.Lifecycle;
 
 import java.util.ArrayList;
 import java.util.Arrays;
diff --git a/src/com/android/settings/gestures/DoubleTapScreenPreferenceController.java b/src/com/android/settings/gestures/DoubleTapScreenPreferenceController.java
index 49e8f51..38d29a0 100644
--- a/src/com/android/settings/gestures/DoubleTapScreenPreferenceController.java
+++ b/src/com/android/settings/gestures/DoubleTapScreenPreferenceController.java
@@ -23,9 +23,9 @@
 
 import android.util.ArrayMap;
 import com.android.internal.hardware.AmbientDisplayConfiguration;
-import com.android.settings.core.lifecycle.Lifecycle;
 import com.android.settings.search2.InlineSwitchPayload;
 import com.android.settings.search2.ResultPayload;
+import com.android.settingslib.core.lifecycle.Lifecycle;
 
 public class DoubleTapScreenPreferenceController extends GesturePreferenceController {
 
diff --git a/src/com/android/settings/gestures/DoubleTapScreenSettings.java b/src/com/android/settings/gestures/DoubleTapScreenSettings.java
index 887ac80..20adbbe 100644
--- a/src/com/android/settings/gestures/DoubleTapScreenSettings.java
+++ b/src/com/android/settings/gestures/DoubleTapScreenSettings.java
@@ -24,9 +24,9 @@
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.R;
 import com.android.settings.core.PreferenceController;
-import com.android.settings.core.lifecycle.Lifecycle;
 import com.android.settings.dashboard.DashboardFragment;
 import com.android.settings.search.BaseSearchIndexProvider;
+import com.android.settingslib.core.lifecycle.Lifecycle;
 
 import java.util.ArrayList;
 import java.util.Arrays;
diff --git a/src/com/android/settings/gestures/DoubleTwistGestureSettings.java b/src/com/android/settings/gestures/DoubleTwistGestureSettings.java
index 46a8cbb..5a0ff12 100644
--- a/src/com/android/settings/gestures/DoubleTwistGestureSettings.java
+++ b/src/com/android/settings/gestures/DoubleTwistGestureSettings.java
@@ -22,9 +22,9 @@
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.R;
 import com.android.settings.core.PreferenceController;
-import com.android.settings.core.lifecycle.Lifecycle;
 import com.android.settings.dashboard.DashboardFragment;
 import com.android.settings.search.BaseSearchIndexProvider;
+import com.android.settingslib.core.lifecycle.Lifecycle;
 
 import java.util.ArrayList;
 import java.util.Arrays;
diff --git a/src/com/android/settings/gestures/DoubleTwistPreferenceController.java b/src/com/android/settings/gestures/DoubleTwistPreferenceController.java
index c5174fd..eb47588 100644
--- a/src/com/android/settings/gestures/DoubleTwistPreferenceController.java
+++ b/src/com/android/settings/gestures/DoubleTwistPreferenceController.java
@@ -26,9 +26,9 @@
 
 import android.util.ArrayMap;
 import com.android.settings.R;
-import com.android.settings.core.lifecycle.Lifecycle;
 import com.android.settings.search2.InlineSwitchPayload;
 import com.android.settings.search2.ResultPayload;
+import com.android.settingslib.core.lifecycle.Lifecycle;
 
 public class DoubleTwistPreferenceController extends GesturePreferenceController {
 
diff --git a/src/com/android/settings/gestures/GesturePreferenceController.java b/src/com/android/settings/gestures/GesturePreferenceController.java
index ebfccb5..e647bf3 100644
--- a/src/com/android/settings/gestures/GesturePreferenceController.java
+++ b/src/com/android/settings/gestures/GesturePreferenceController.java
@@ -23,11 +23,11 @@
 
 import com.android.settings.R;
 import com.android.settings.core.PreferenceController;
-import com.android.settings.core.lifecycle.Lifecycle;
-import com.android.settings.core.lifecycle.LifecycleObserver;
-import com.android.settings.core.lifecycle.events.OnStart;
-import com.android.settings.core.lifecycle.events.OnStop;
 import com.android.settings.widget.VideoPreference;
+import com.android.settingslib.core.lifecycle.Lifecycle;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnStart;
+import com.android.settingslib.core.lifecycle.events.OnStop;
 
 public abstract class GesturePreferenceController extends PreferenceController
         implements Preference.OnPreferenceChangeListener, LifecycleObserver, OnStart, OnStop {
diff --git a/src/com/android/settings/gestures/PickupGesturePreferenceController.java b/src/com/android/settings/gestures/PickupGesturePreferenceController.java
index ce20f15..19537f6 100644
--- a/src/com/android/settings/gestures/PickupGesturePreferenceController.java
+++ b/src/com/android/settings/gestures/PickupGesturePreferenceController.java
@@ -23,9 +23,9 @@
 
 import android.util.ArrayMap;
 import com.android.internal.hardware.AmbientDisplayConfiguration;
-import com.android.settings.core.lifecycle.Lifecycle;
 import com.android.settings.search2.InlineSwitchPayload;
 import com.android.settings.search2.ResultPayload;
+import com.android.settingslib.core.lifecycle.Lifecycle;
 
 public class PickupGesturePreferenceController extends GesturePreferenceController {
 
diff --git a/src/com/android/settings/gestures/PickupGestureSettings.java b/src/com/android/settings/gestures/PickupGestureSettings.java
index 0fe6097..ce4d9d7 100644
--- a/src/com/android/settings/gestures/PickupGestureSettings.java
+++ b/src/com/android/settings/gestures/PickupGestureSettings.java
@@ -24,9 +24,9 @@
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.R;
 import com.android.settings.core.PreferenceController;
-import com.android.settings.core.lifecycle.Lifecycle;
 import com.android.settings.dashboard.DashboardFragment;
 import com.android.settings.search.BaseSearchIndexProvider;
+import com.android.settingslib.core.lifecycle.Lifecycle;
 
 import java.util.ArrayList;
 import java.util.Arrays;
diff --git a/src/com/android/settings/gestures/SwipeToNotificationPreferenceController.java b/src/com/android/settings/gestures/SwipeToNotificationPreferenceController.java
index 89d38a1..821eb04 100644
--- a/src/com/android/settings/gestures/SwipeToNotificationPreferenceController.java
+++ b/src/com/android/settings/gestures/SwipeToNotificationPreferenceController.java
@@ -21,9 +21,9 @@
 import android.support.v7.preference.Preference;
 
 import android.util.ArrayMap;
-import com.android.settings.core.lifecycle.Lifecycle;
 import com.android.settings.search2.InlineSwitchPayload;
 import com.android.settings.search2.ResultPayload;
+import com.android.settingslib.core.lifecycle.Lifecycle;
 
 public class SwipeToNotificationPreferenceController extends GesturePreferenceController {
 
diff --git a/src/com/android/settings/gestures/SwipeToNotificationSettings.java b/src/com/android/settings/gestures/SwipeToNotificationSettings.java
index 6c136c2..0cfc922 100644
--- a/src/com/android/settings/gestures/SwipeToNotificationSettings.java
+++ b/src/com/android/settings/gestures/SwipeToNotificationSettings.java
@@ -22,9 +22,9 @@
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.R;
 import com.android.settings.core.PreferenceController;
-import com.android.settings.core.lifecycle.Lifecycle;
 import com.android.settings.dashboard.DashboardFragment;
 import com.android.settings.search.BaseSearchIndexProvider;
+import com.android.settingslib.core.lifecycle.Lifecycle;
 
 import java.util.ArrayList;
 import java.util.Arrays;
diff --git a/src/com/android/settings/inputmethod/GameControllerPreferenceController.java b/src/com/android/settings/inputmethod/GameControllerPreferenceController.java
index f8232b8..40efb07 100644
--- a/src/com/android/settings/inputmethod/GameControllerPreferenceController.java
+++ b/src/com/android/settings/inputmethod/GameControllerPreferenceController.java
@@ -26,9 +26,9 @@
 import android.view.InputDevice;
 
 import com.android.settings.core.PreferenceController;
-import com.android.settings.core.lifecycle.LifecycleObserver;
-import com.android.settings.core.lifecycle.events.OnPause;
-import com.android.settings.core.lifecycle.events.OnResume;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnPause;
+import com.android.settingslib.core.lifecycle.events.OnResume;
 
 public class GameControllerPreferenceController extends PreferenceController
         implements InputManager.InputDeviceListener, LifecycleObserver, OnResume, OnPause {
diff --git a/src/com/android/settings/inputmethod/PhysicalKeyboardPreferenceController.java b/src/com/android/settings/inputmethod/PhysicalKeyboardPreferenceController.java
index aa9f5ad..03d8221 100644
--- a/src/com/android/settings/inputmethod/PhysicalKeyboardPreferenceController.java
+++ b/src/com/android/settings/inputmethod/PhysicalKeyboardPreferenceController.java
@@ -22,11 +22,11 @@
 
 import com.android.settings.R;
 import com.android.settings.core.PreferenceController;
-import com.android.settings.core.lifecycle.Lifecycle;
-import com.android.settings.core.lifecycle.LifecycleObserver;
-import com.android.settings.core.lifecycle.events.OnPause;
-import com.android.settings.core.lifecycle.events.OnResume;
 import com.android.settings.inputmethod.PhysicalKeyboardFragment.HardKeyboardDeviceInfo;
+import com.android.settingslib.core.lifecycle.Lifecycle;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnPause;
+import com.android.settingslib.core.lifecycle.events.OnResume;
 
 import java.util.List;
 
diff --git a/src/com/android/settings/language/LanguageAndInputSettings.java b/src/com/android/settings/language/LanguageAndInputSettings.java
index 8082f17..ffaab67 100644
--- a/src/com/android/settings/language/LanguageAndInputSettings.java
+++ b/src/com/android/settings/language/LanguageAndInputSettings.java
@@ -36,7 +36,6 @@
 import com.android.settings.R;
 import com.android.settings.applications.defaultapps.DefaultAutofillPreferenceController;
 import com.android.settings.core.PreferenceController;
-import com.android.settings.core.lifecycle.Lifecycle;
 import com.android.settings.dashboard.DashboardFragment;
 import com.android.settings.dashboard.SummaryLoader;
 import com.android.settings.gestures.AssistGesturePreferenceController;
@@ -51,6 +50,7 @@
 import com.android.settings.inputmethod.SpellCheckerPreferenceController;
 import com.android.settings.inputmethod.VirtualKeyboardPreferenceController;
 import com.android.settings.search.BaseSearchIndexProvider;
+import com.android.settingslib.core.lifecycle.Lifecycle;
 
 import java.util.ArrayList;
 import java.util.Arrays;
diff --git a/src/com/android/settings/location/LocationPreferenceController.java b/src/com/android/settings/location/LocationPreferenceController.java
index b90bc25..e4d4ca0 100644
--- a/src/com/android/settings/location/LocationPreferenceController.java
+++ b/src/com/android/settings/location/LocationPreferenceController.java
@@ -26,10 +26,10 @@
 import android.support.v7.preference.PreferenceScreen;
 import com.android.settings.R;
 import com.android.settings.core.PreferenceController;
-import com.android.settings.core.lifecycle.Lifecycle;
-import com.android.settings.core.lifecycle.LifecycleObserver;
-import com.android.settings.core.lifecycle.events.OnPause;
-import com.android.settings.core.lifecycle.events.OnResume;
+import com.android.settingslib.core.lifecycle.Lifecycle;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnPause;
+import com.android.settingslib.core.lifecycle.events.OnResume;
 
 public class LocationPreferenceController extends PreferenceController implements
         LifecycleObserver, OnResume, OnPause {
diff --git a/src/com/android/settings/network/AirplaneModePreferenceController.java b/src/com/android/settings/network/AirplaneModePreferenceController.java
index a25c5f8..8422ab4 100644
--- a/src/com/android/settings/network/AirplaneModePreferenceController.java
+++ b/src/com/android/settings/network/AirplaneModePreferenceController.java
@@ -29,10 +29,10 @@
 import com.android.settings.AirplaneModeEnabler;
 import com.android.settings.core.PreferenceController;
 import com.android.settings.core.instrumentation.MetricsFeatureProvider;
-import com.android.settings.core.lifecycle.LifecycleObserver;
-import com.android.settings.core.lifecycle.events.OnPause;
-import com.android.settings.core.lifecycle.events.OnResume;
 import com.android.settings.overlay.FeatureFactory;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnPause;
+import com.android.settingslib.core.lifecycle.events.OnResume;
 
 public class AirplaneModePreferenceController extends PreferenceController
         implements LifecycleObserver, OnResume, OnPause {
diff --git a/src/com/android/settings/network/MobileNetworkPreferenceController.java b/src/com/android/settings/network/MobileNetworkPreferenceController.java
index c7abf90..b91552e 100644
--- a/src/com/android/settings/network/MobileNetworkPreferenceController.java
+++ b/src/com/android/settings/network/MobileNetworkPreferenceController.java
@@ -26,9 +26,9 @@
 
 import com.android.settings.Utils;
 import com.android.settings.core.PreferenceController;
-import com.android.settings.core.lifecycle.LifecycleObserver;
-import com.android.settings.core.lifecycle.events.OnPause;
-import com.android.settings.core.lifecycle.events.OnResume;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnPause;
+import com.android.settingslib.core.lifecycle.events.OnResume;
 
 import static android.os.UserHandle.myUserId;
 import static android.os.UserManager.DISALLOW_CONFIG_MOBILE_NETWORKS;
diff --git a/src/com/android/settings/network/MobilePlanPreferenceController.java b/src/com/android/settings/network/MobilePlanPreferenceController.java
index 9d0878f8..da4902d 100644
--- a/src/com/android/settings/network/MobilePlanPreferenceController.java
+++ b/src/com/android/settings/network/MobilePlanPreferenceController.java
@@ -32,9 +32,9 @@
 import com.android.settings.R;
 import com.android.settings.Utils;
 import com.android.settings.core.PreferenceController;
-import com.android.settings.core.lifecycle.LifecycleObserver;
-import com.android.settings.core.lifecycle.events.OnCreate;
-import com.android.settings.core.lifecycle.events.OnSaveInstanceState;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnCreate;
+import com.android.settingslib.core.lifecycle.events.OnSaveInstanceState;
 
 import java.util.List;
 
diff --git a/src/com/android/settings/network/NetworkDashboardFragment.java b/src/com/android/settings/network/NetworkDashboardFragment.java
index a28a726..d567971 100644
--- a/src/com/android/settings/network/NetworkDashboardFragment.java
+++ b/src/com/android/settings/network/NetworkDashboardFragment.java
@@ -26,11 +26,11 @@
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.R;
 import com.android.settings.core.PreferenceController;
-import com.android.settings.core.lifecycle.Lifecycle;
 import com.android.settings.dashboard.DashboardFragment;
 import com.android.settings.overlay.FeatureFactory;
 import com.android.settings.search.BaseSearchIndexProvider;
 import com.android.settings.wifi.WifiMasterSwitchPreferenceController;
+import com.android.settingslib.core.lifecycle.Lifecycle;
 
 import java.util.ArrayList;
 import java.util.Arrays;
diff --git a/src/com/android/settings/network/TetherPreferenceController.java b/src/com/android/settings/network/TetherPreferenceController.java
index 19a22ba..58d45d6 100644
--- a/src/com/android/settings/network/TetherPreferenceController.java
+++ b/src/com/android/settings/network/TetherPreferenceController.java
@@ -32,11 +32,11 @@
 import com.android.settings.R;
 import com.android.settings.TetherSettings;
 import com.android.settings.core.PreferenceController;
-import com.android.settings.core.lifecycle.Lifecycle;
-import com.android.settings.core.lifecycle.LifecycleObserver;
-import com.android.settings.core.lifecycle.events.OnDestroy;
-import com.android.settings.core.lifecycle.events.OnPause;
-import com.android.settings.core.lifecycle.events.OnResume;
+import com.android.settingslib.core.lifecycle.Lifecycle;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnDestroy;
+import com.android.settingslib.core.lifecycle.events.OnPause;
+import com.android.settingslib.core.lifecycle.events.OnResume;
 
 import java.util.concurrent.atomic.AtomicReference;
 
diff --git a/src/com/android/settings/network/VpnPreferenceController.java b/src/com/android/settings/network/VpnPreferenceController.java
index 72b361a..a62be76 100644
--- a/src/com/android/settings/network/VpnPreferenceController.java
+++ b/src/com/android/settings/network/VpnPreferenceController.java
@@ -40,10 +40,10 @@
 import com.android.internal.net.VpnConfig;
 import com.android.settings.R;
 import com.android.settings.core.PreferenceController;
-import com.android.settings.core.lifecycle.LifecycleObserver;
-import com.android.settings.core.lifecycle.events.OnPause;
-import com.android.settings.core.lifecycle.events.OnResume;
 import com.android.settingslib.RestrictedLockUtils;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnPause;
+import com.android.settingslib.core.lifecycle.events.OnResume;
 
 import java.util.List;
 
diff --git a/src/com/android/settings/nfc/NfcPreferenceController.java b/src/com/android/settings/nfc/NfcPreferenceController.java
index 7164b5b..0743871 100644
--- a/src/com/android/settings/nfc/NfcPreferenceController.java
+++ b/src/com/android/settings/nfc/NfcPreferenceController.java
@@ -27,12 +27,12 @@
 import android.support.v7.preference.PreferenceScreen;
 
 import com.android.settings.core.PreferenceController;
-import com.android.settings.core.lifecycle.LifecycleObserver;
-import com.android.settings.core.lifecycle.events.OnPause;
-import com.android.settings.core.lifecycle.events.OnResume;
 import com.android.settings.network.AirplaneModePreferenceController;
 import com.android.settings.overlay.FeatureFactory;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
 import com.android.settingslib.RestrictedPreference;
+import com.android.settingslib.core.lifecycle.events.OnPause;
+import com.android.settingslib.core.lifecycle.events.OnResume;
 
 import java.util.List;
 
diff --git a/src/com/android/settings/notification/AlarmVolumePreferenceController.java b/src/com/android/settings/notification/AlarmVolumePreferenceController.java
index e9c4b57..cd1f6e3 100644
--- a/src/com/android/settings/notification/AlarmVolumePreferenceController.java
+++ b/src/com/android/settings/notification/AlarmVolumePreferenceController.java
@@ -20,8 +20,8 @@
 import android.media.AudioManager;
 
 import com.android.internal.annotations.VisibleForTesting;
-import com.android.settings.core.lifecycle.Lifecycle;
 import com.android.settings.notification.VolumeSeekBarPreference.Callback;
+import com.android.settingslib.core.lifecycle.Lifecycle;
 
 public class AlarmVolumePreferenceController extends
     VolumeSeekBarPreferenceController {
diff --git a/src/com/android/settings/notification/AppNotificationSettings.java b/src/com/android/settings/notification/AppNotificationSettings.java
index 2035cd2..03a71ca 100644
--- a/src/com/android/settings/notification/AppNotificationSettings.java
+++ b/src/com/android/settings/notification/AppNotificationSettings.java
@@ -46,10 +46,10 @@
 import com.android.settings.applications.LayoutPreference;
 import com.android.settings.notification.NotificationBackend.AppRow;
 import com.android.settings.overlay.FeatureFactory;
-import com.android.settings.widget.FooterPreference;
 import com.android.settings.widget.MasterSwitchPreference;
 import com.android.settings.widget.SwitchBar;
 import com.android.settingslib.RestrictedSwitchPreference;
+import com.android.settingslib.widget.FooterPreference;
 
 import java.text.Collator;
 import java.util.ArrayList;
diff --git a/src/com/android/settings/notification/BadgingNotificationPreferenceController.java b/src/com/android/settings/notification/BadgingNotificationPreferenceController.java
index 225ede5..decbe0b 100644
--- a/src/com/android/settings/notification/BadgingNotificationPreferenceController.java
+++ b/src/com/android/settings/notification/BadgingNotificationPreferenceController.java
@@ -28,9 +28,9 @@
 import android.util.Log;
 
 import com.android.settings.core.PreferenceController;
-import com.android.settings.core.lifecycle.LifecycleObserver;
-import com.android.settings.core.lifecycle.events.OnPause;
-import com.android.settings.core.lifecycle.events.OnResume;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnPause;
+import com.android.settingslib.core.lifecycle.events.OnResume;
 
 import static android.provider.Settings.Secure.NOTIFICATION_BADGING;
 
diff --git a/src/com/android/settings/notification/ChannelNotificationSettings.java b/src/com/android/settings/notification/ChannelNotificationSettings.java
index 27e60c7..0ce9ec3 100644
--- a/src/com/android/settings/notification/ChannelNotificationSettings.java
+++ b/src/com/android/settings/notification/ChannelNotificationSettings.java
@@ -47,9 +47,9 @@
 import com.android.settings.applications.AppInfoBase;
 import com.android.settings.applications.LayoutPreference;
 import com.android.settings.overlay.FeatureFactory;
-import com.android.settings.widget.FooterPreference;
 import com.android.settings.widget.SwitchBar;
 import com.android.settingslib.RestrictedSwitchPreference;
+import com.android.settingslib.widget.FooterPreference;
 
 public class ChannelNotificationSettings extends NotificationSettingsBase {
     private static final String TAG = "ChannelSettings";
diff --git a/src/com/android/settings/notification/ChargingSoundPreferenceController.java b/src/com/android/settings/notification/ChargingSoundPreferenceController.java
index 1114b4a..55cba96 100644
--- a/src/com/android/settings/notification/ChargingSoundPreferenceController.java
+++ b/src/com/android/settings/notification/ChargingSoundPreferenceController.java
@@ -22,7 +22,7 @@
 
 import android.provider.Settings.Global;
 import com.android.settings.SettingsPreferenceFragment;
-import com.android.settings.core.lifecycle.Lifecycle;
+import com.android.settingslib.core.lifecycle.Lifecycle;
 
 public class ChargingSoundPreferenceController extends SettingPrefController {
 
diff --git a/src/com/android/settings/notification/ConfigureNotificationSettings.java b/src/com/android/settings/notification/ConfigureNotificationSettings.java
index a1c5263..c3d8b81 100644
--- a/src/com/android/settings/notification/ConfigureNotificationSettings.java
+++ b/src/com/android/settings/notification/ConfigureNotificationSettings.java
@@ -22,11 +22,11 @@
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.R;
 import com.android.settings.core.PreferenceController;
-import com.android.settings.core.lifecycle.Lifecycle;
 import com.android.settings.dashboard.DashboardFragment;
 import com.android.settings.gestures.SwipeToNotificationPreferenceController;
 import com.android.settings.search.BaseSearchIndexProvider;
 import com.android.settings.search.Indexable;
+import com.android.settingslib.core.lifecycle.Lifecycle;
 
 import java.util.ArrayList;
 import java.util.Arrays;
diff --git a/src/com/android/settings/notification/DialPadTonePreferenceController.java b/src/com/android/settings/notification/DialPadTonePreferenceController.java
index 08e1a7d..e0ca299 100644
--- a/src/com/android/settings/notification/DialPadTonePreferenceController.java
+++ b/src/com/android/settings/notification/DialPadTonePreferenceController.java
@@ -23,7 +23,7 @@
 import android.provider.Settings.System;
 import com.android.settings.SettingsPreferenceFragment;
 import com.android.settings.Utils;
-import com.android.settings.core.lifecycle.Lifecycle;
+import com.android.settingslib.core.lifecycle.Lifecycle;
 
 public class DialPadTonePreferenceController extends SettingPrefController {
 
diff --git a/src/com/android/settings/notification/DockAudioMediaPreferenceController.java b/src/com/android/settings/notification/DockAudioMediaPreferenceController.java
index 20c20b4..f7f13c5 100644
--- a/src/com/android/settings/notification/DockAudioMediaPreferenceController.java
+++ b/src/com/android/settings/notification/DockAudioMediaPreferenceController.java
@@ -24,7 +24,7 @@
 import android.provider.Settings.Global;
 import android.telephony.TelephonyManager;
 import com.android.settings.SettingsPreferenceFragment;
-import com.android.settings.core.lifecycle.Lifecycle;
+import com.android.settingslib.core.lifecycle.Lifecycle;
 
 public class DockAudioMediaPreferenceController extends SettingPrefController {
 
diff --git a/src/com/android/settings/notification/DockingSoundPreferenceController.java b/src/com/android/settings/notification/DockingSoundPreferenceController.java
index ee277f0..476fd6a 100644
--- a/src/com/android/settings/notification/DockingSoundPreferenceController.java
+++ b/src/com/android/settings/notification/DockingSoundPreferenceController.java
@@ -22,7 +22,7 @@
 import android.provider.Settings.Global;
 import com.android.settings.R;
 import com.android.settings.SettingsPreferenceFragment;
-import com.android.settings.core.lifecycle.Lifecycle;
+import com.android.settingslib.core.lifecycle.Lifecycle;
 
 public class DockingSoundPreferenceController extends SettingPrefController {
 
diff --git a/src/com/android/settings/notification/EmergencyTonePreferenceController.java b/src/com/android/settings/notification/EmergencyTonePreferenceController.java
index bc21f44..a67ec8a 100644
--- a/src/com/android/settings/notification/EmergencyTonePreferenceController.java
+++ b/src/com/android/settings/notification/EmergencyTonePreferenceController.java
@@ -25,7 +25,7 @@
 import android.telephony.TelephonyManager;
 import com.android.settings.R;
 import com.android.settings.SettingsPreferenceFragment;
-import com.android.settings.core.lifecycle.Lifecycle;
+import com.android.settingslib.core.lifecycle.Lifecycle;
 
 public class EmergencyTonePreferenceController extends SettingPrefController {
 
diff --git a/src/com/android/settings/notification/LockScreenNotificationPreferenceController.java b/src/com/android/settings/notification/LockScreenNotificationPreferenceController.java
index 73469b0..b84d961 100644
--- a/src/com/android/settings/notification/LockScreenNotificationPreferenceController.java
+++ b/src/com/android/settings/notification/LockScreenNotificationPreferenceController.java
@@ -32,10 +32,10 @@
 import com.android.settings.R;
 import com.android.settings.Utils;
 import com.android.settings.core.PreferenceController;
-import com.android.settings.core.lifecycle.LifecycleObserver;
-import com.android.settings.core.lifecycle.events.OnPause;
-import com.android.settings.core.lifecycle.events.OnResume;
 import com.android.settingslib.RestrictedLockUtils;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnPause;
+import com.android.settingslib.core.lifecycle.events.OnResume;
 
 import java.util.ArrayList;
 
diff --git a/src/com/android/settings/notification/MediaVolumePreferenceController.java b/src/com/android/settings/notification/MediaVolumePreferenceController.java
index fb8dba5..4f167f8 100644
--- a/src/com/android/settings/notification/MediaVolumePreferenceController.java
+++ b/src/com/android/settings/notification/MediaVolumePreferenceController.java
@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.media.AudioManager;
-import com.android.settings.core.lifecycle.Lifecycle;
 import com.android.settings.notification.VolumeSeekBarPreference.Callback;
+import com.android.settingslib.core.lifecycle.Lifecycle;
 
 public class MediaVolumePreferenceController extends
     VolumeSeekBarPreferenceController {
diff --git a/src/com/android/settings/notification/NotificationSettingsBase.java b/src/com/android/settings/notification/NotificationSettingsBase.java
index 695c796..e055133 100644
--- a/src/com/android/settings/notification/NotificationSettingsBase.java
+++ b/src/com/android/settings/notification/NotificationSettingsBase.java
@@ -26,10 +26,10 @@
 import com.android.settings.SettingsPreferenceFragment;
 import com.android.settings.applications.AppInfoBase;
 import com.android.settings.applications.LayoutPreference;
-import com.android.settings.widget.FooterPreference;
 import com.android.settings.widget.SwitchBar;
 import com.android.settingslib.RestrictedLockUtils;
 import com.android.settingslib.RestrictedSwitchPreference;
+import com.android.settingslib.widget.FooterPreference;
 
 import android.app.Notification;
 import android.app.NotificationChannel;
diff --git a/src/com/android/settings/notification/NotificationVolumePreferenceController.java b/src/com/android/settings/notification/NotificationVolumePreferenceController.java
index 40448a4..5f888f8 100644
--- a/src/com/android/settings/notification/NotificationVolumePreferenceController.java
+++ b/src/com/android/settings/notification/NotificationVolumePreferenceController.java
@@ -21,8 +21,8 @@
 
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.settings.Utils;
-import com.android.settings.core.lifecycle.Lifecycle;
 import com.android.settings.notification.VolumeSeekBarPreference.Callback;
+import com.android.settingslib.core.lifecycle.Lifecycle;
 
 public class NotificationVolumePreferenceController extends
     RingVolumePreferenceController {
diff --git a/src/com/android/settings/notification/PulseNotificationPreferenceController.java b/src/com/android/settings/notification/PulseNotificationPreferenceController.java
index 3e37ab0..d6db8ac 100644
--- a/src/com/android/settings/notification/PulseNotificationPreferenceController.java
+++ b/src/com/android/settings/notification/PulseNotificationPreferenceController.java
@@ -28,9 +28,9 @@
 import android.util.Log;
 
 import com.android.settings.core.PreferenceController;
-import com.android.settings.core.lifecycle.LifecycleObserver;
-import com.android.settings.core.lifecycle.events.OnPause;
-import com.android.settings.core.lifecycle.events.OnResume;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnPause;
+import com.android.settingslib.core.lifecycle.events.OnResume;
 
 import static android.provider.Settings.System.NOTIFICATION_LIGHT_PULSE;
 
diff --git a/src/com/android/settings/notification/RingVolumePreferenceController.java b/src/com/android/settings/notification/RingVolumePreferenceController.java
index a94d086..8b78225 100644
--- a/src/com/android/settings/notification/RingVolumePreferenceController.java
+++ b/src/com/android/settings/notification/RingVolumePreferenceController.java
@@ -33,8 +33,8 @@
 
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.settings.Utils;
-import com.android.settings.core.lifecycle.Lifecycle;
 import com.android.settings.notification.VolumeSeekBarPreference.Callback;
+import com.android.settingslib.core.lifecycle.Lifecycle;
 
 import java.util.Objects;
 
diff --git a/src/com/android/settings/notification/ScreenLockSoundPreferenceController.java b/src/com/android/settings/notification/ScreenLockSoundPreferenceController.java
index f9905c0..b08b8f8 100644
--- a/src/com/android/settings/notification/ScreenLockSoundPreferenceController.java
+++ b/src/com/android/settings/notification/ScreenLockSoundPreferenceController.java
@@ -22,7 +22,7 @@
 
 import android.provider.Settings.System;
 import com.android.settings.SettingsPreferenceFragment;
-import com.android.settings.core.lifecycle.Lifecycle;
+import com.android.settingslib.core.lifecycle.Lifecycle;
 
 public class ScreenLockSoundPreferenceController extends SettingPrefController {
 
diff --git a/src/com/android/settings/notification/SettingPrefController.java b/src/com/android/settings/notification/SettingPrefController.java
index 64d65bb..413b4a2 100644
--- a/src/com/android/settings/notification/SettingPrefController.java
+++ b/src/com/android/settings/notification/SettingPrefController.java
@@ -28,10 +28,10 @@
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.settings.SettingsPreferenceFragment;
 import com.android.settings.core.PreferenceController;
-import com.android.settings.core.lifecycle.Lifecycle;
-import com.android.settings.core.lifecycle.LifecycleObserver;
-import com.android.settings.core.lifecycle.events.OnPause;
-import com.android.settings.core.lifecycle.events.OnResume;
+import com.android.settingslib.core.lifecycle.Lifecycle;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnPause;
+import com.android.settingslib.core.lifecycle.events.OnResume;
 import java.util.List;
 
 public abstract class SettingPrefController extends PreferenceController implements
diff --git a/src/com/android/settings/notification/SoundSettings.java b/src/com/android/settings/notification/SoundSettings.java
index a92c5dd..3dc41e0 100644
--- a/src/com/android/settings/notification/SoundSettings.java
+++ b/src/com/android/settings/notification/SoundSettings.java
@@ -32,9 +32,9 @@
 import com.android.settings.R;
 import com.android.settings.RingtonePreference;
 import com.android.settings.core.PreferenceController;
-import com.android.settings.core.lifecycle.Lifecycle;
 import com.android.settings.dashboard.DashboardFragment;
 import com.android.settings.search.BaseSearchIndexProvider;
+import com.android.settingslib.core.lifecycle.Lifecycle;
 
 import java.util.ArrayList;
 import java.util.Arrays;
diff --git a/src/com/android/settings/notification/TouchSoundPreferenceController.java b/src/com/android/settings/notification/TouchSoundPreferenceController.java
index 4ca5ea0..4e25507 100644
--- a/src/com/android/settings/notification/TouchSoundPreferenceController.java
+++ b/src/com/android/settings/notification/TouchSoundPreferenceController.java
@@ -24,7 +24,7 @@
 import android.os.AsyncTask;
 import android.provider.Settings.System;
 import com.android.settings.SettingsPreferenceFragment;
-import com.android.settings.core.lifecycle.Lifecycle;
+import com.android.settingslib.core.lifecycle.Lifecycle;
 
 public class TouchSoundPreferenceController extends SettingPrefController {
 
diff --git a/src/com/android/settings/notification/VibrateOnTouchPreferenceController.java b/src/com/android/settings/notification/VibrateOnTouchPreferenceController.java
index 544c372..acb6b4d 100644
--- a/src/com/android/settings/notification/VibrateOnTouchPreferenceController.java
+++ b/src/com/android/settings/notification/VibrateOnTouchPreferenceController.java
@@ -22,7 +22,7 @@
 import android.os.Vibrator;
 import android.provider.Settings.System;
 import com.android.settings.SettingsPreferenceFragment;
-import com.android.settings.core.lifecycle.Lifecycle;
+import com.android.settingslib.core.lifecycle.Lifecycle;
 
 public class VibrateOnTouchPreferenceController extends SettingPrefController {
 
diff --git a/src/com/android/settings/notification/VibrateWhenRingPreferenceController.java b/src/com/android/settings/notification/VibrateWhenRingPreferenceController.java
index 2160f3d..338b652 100644
--- a/src/com/android/settings/notification/VibrateWhenRingPreferenceController.java
+++ b/src/com/android/settings/notification/VibrateWhenRingPreferenceController.java
@@ -28,9 +28,9 @@
 
 import com.android.settings.Utils;
 import com.android.settings.core.PreferenceController;
-import com.android.settings.core.lifecycle.LifecycleObserver;
-import com.android.settings.core.lifecycle.events.OnPause;
-import com.android.settings.core.lifecycle.events.OnResume;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnPause;
+import com.android.settingslib.core.lifecycle.events.OnResume;
 
 import static android.provider.Settings.System.VIBRATE_WHEN_RINGING;
 
diff --git a/src/com/android/settings/notification/VolumeSeekBarPreferenceController.java b/src/com/android/settings/notification/VolumeSeekBarPreferenceController.java
index eeb9c28..501cedc 100644
--- a/src/com/android/settings/notification/VolumeSeekBarPreferenceController.java
+++ b/src/com/android/settings/notification/VolumeSeekBarPreferenceController.java
@@ -19,11 +19,11 @@
 import android.content.Context;
 import android.support.v7.preference.PreferenceScreen;
 
-import com.android.settings.core.lifecycle.Lifecycle;
-import com.android.settings.core.lifecycle.LifecycleObserver;
-import com.android.settings.core.lifecycle.events.OnPause;
-import com.android.settings.core.lifecycle.events.OnResume;
 import com.android.settings.notification.VolumeSeekBarPreference.Callback;
+import com.android.settingslib.core.lifecycle.Lifecycle;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnPause;
+import com.android.settingslib.core.lifecycle.events.OnResume;
 
 /**
  * Base class for preference controller that handles VolumeSeekBarPreference
diff --git a/src/com/android/settings/notification/WorkSoundPreferenceController.java b/src/com/android/settings/notification/WorkSoundPreferenceController.java
index a80f503..465a2ec 100644
--- a/src/com/android/settings/notification/WorkSoundPreferenceController.java
+++ b/src/com/android/settings/notification/WorkSoundPreferenceController.java
@@ -45,10 +45,10 @@
 import com.android.settings.Utils;
 import com.android.settings.core.PreferenceController;
 import com.android.settings.core.instrumentation.InstrumentedDialogFragment;
-import com.android.settings.core.lifecycle.Lifecycle;
-import com.android.settings.core.lifecycle.LifecycleObserver;
-import com.android.settings.core.lifecycle.events.OnPause;
-import com.android.settings.core.lifecycle.events.OnResume;
+import com.android.settingslib.core.lifecycle.Lifecycle;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnPause;
+import com.android.settingslib.core.lifecycle.events.OnResume;
 
 public class WorkSoundPreferenceController extends PreferenceController implements
         OnPreferenceChangeListener, LifecycleObserver, OnResume, OnPause {
diff --git a/src/com/android/settings/security/LockscreenDashboardFragment.java b/src/com/android/settings/security/LockscreenDashboardFragment.java
index b781fbb..f3b18f2 100644
--- a/src/com/android/settings/security/LockscreenDashboardFragment.java
+++ b/src/com/android/settings/security/LockscreenDashboardFragment.java
@@ -22,10 +22,10 @@
 import com.android.settings.R;
 import com.android.settings.accounts.AddUserWhenLockedPreferenceController;
 import com.android.settings.core.PreferenceController;
-import com.android.settings.core.lifecycle.Lifecycle;
 import com.android.settings.dashboard.DashboardFragment;
 import com.android.settings.notification.LockScreenNotificationPreferenceController;
 import com.android.settings.search.BaseSearchIndexProvider;
+import com.android.settingslib.core.lifecycle.Lifecycle;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
diff --git a/src/com/android/settings/security/OwnerInfoPreferenceController.java b/src/com/android/settings/security/OwnerInfoPreferenceController.java
index 259ef12..a687cb9 100644
--- a/src/com/android/settings/security/OwnerInfoPreferenceController.java
+++ b/src/com/android/settings/security/OwnerInfoPreferenceController.java
@@ -25,12 +25,12 @@
 import com.android.internal.widget.LockPatternUtils;
 import com.android.settings.OwnerInfoSettings;
 import com.android.settings.core.PreferenceController;
-import com.android.settings.core.lifecycle.Lifecycle;
-import com.android.settings.core.lifecycle.LifecycleObserver;
-import com.android.settings.core.lifecycle.events.OnResume;
 import com.android.settingslib.RestrictedLockUtils;
 import com.android.settingslib.RestrictedLockUtils.EnforcedAdmin;
 import com.android.settingslib.RestrictedPreference;
+import com.android.settingslib.core.lifecycle.Lifecycle;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnResume;
 
 public class OwnerInfoPreferenceController extends PreferenceController
         implements LifecycleObserver, OnResume {
diff --git a/src/com/android/settings/survey/SurveyMixin.java b/src/com/android/settings/survey/SurveyMixin.java
index 4eb14bd..9b7a9df 100644
--- a/src/com/android/settings/survey/SurveyMixin.java
+++ b/src/com/android/settings/survey/SurveyMixin.java
@@ -18,11 +18,11 @@
 import android.app.Activity;
 import android.app.Fragment;
 import android.content.BroadcastReceiver;
-import com.android.settings.core.lifecycle.LifecycleObserver;
-import com.android.settings.core.lifecycle.events.OnPause;
-import com.android.settings.core.lifecycle.events.OnResume;
 import com.android.settings.overlay.FeatureFactory;
 import com.android.settings.overlay.SurveyFeatureProvider;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnPause;
+import com.android.settingslib.core.lifecycle.events.OnResume;
 
 /**
  * attaches extra, survey related work to the onResume method of registered observable classes
diff --git a/src/com/android/settings/system/ResetDashboardFragment.java b/src/com/android/settings/system/ResetDashboardFragment.java
index d4685bc..c04e374 100644
--- a/src/com/android/settings/system/ResetDashboardFragment.java
+++ b/src/com/android/settings/system/ResetDashboardFragment.java
@@ -23,11 +23,11 @@
 import com.android.settings.R;
 import com.android.settings.applications.ResetAppPrefPreferenceController;
 import com.android.settings.core.PreferenceController;
-import com.android.settings.core.lifecycle.Lifecycle;
 import com.android.settings.dashboard.DashboardFragment;
 import com.android.settings.network.NetworkResetPreferenceController;
 import com.android.settings.search.BaseSearchIndexProvider;
 import com.android.settings.search.Indexable;
+import com.android.settingslib.core.lifecycle.Lifecycle;
 
 import java.util.ArrayList;
 import java.util.List;
diff --git a/src/com/android/settings/utils/ThreadUtils.java b/src/com/android/settings/utils/ThreadUtils.java
deleted file mode 100644
index f71a2a9..0000000
--- a/src/com/android/settings/utils/ThreadUtils.java
+++ /dev/null
@@ -1,42 +0,0 @@
-/*
- * Copyright (C) 2016 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.
- */
-package com.android.settings.utils;
-
-import android.os.Looper;
-
-public class ThreadUtils {
-    private static volatile Thread sMainThread;
-
-    /**
-     * Returns true if the current thread is the UI thread.
-     */
-    public static boolean isMainThread() {
-        if (sMainThread == null) {
-            sMainThread = Looper.getMainLooper().getThread();
-        }
-        return Thread.currentThread() == sMainThread;
-    }
-
-    /**
-     * Checks that the current thread is the UI thread. Otherwise throws an exception.
-     */
-    public static void ensureMainThread() {
-        if (!isMainThread()) {
-            throw new RuntimeException("Must be called on the UI thread");
-        }
-    }
-
-}
diff --git a/src/com/android/settings/widget/FooterPreference.java b/src/com/android/settings/widget/FooterPreference.java
deleted file mode 100644
index 9cb9e11..0000000
--- a/src/com/android/settings/widget/FooterPreference.java
+++ /dev/null
@@ -1,60 +0,0 @@
-/*
- * Copyright (C) 2016 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.
- */
-
-package com.android.settings.widget;
-
-import android.content.Context;
-import android.support.v4.content.res.TypedArrayUtils;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
-import android.text.method.LinkMovementMethod;
-import android.util.AttributeSet;
-import android.widget.TextView;
-
-import com.android.settings.R;
-
-/**
- * A custom preference acting as "footer" of a page. It has a field for icon and text. It is added
- * to screen as the last preference.
- */
-public class FooterPreference extends Preference {
-
-    static final int ORDER_FOOTER = Integer.MAX_VALUE - 1;
-    static final String KEY_FOOTER = "footer_preference";
-
-    public FooterPreference(Context context, AttributeSet attrs) {
-        super(context, attrs, TypedArrayUtils.getAttr(
-                context, R.attr.footerPreferenceStyle, android.R.attr.preferenceStyle));
-        init();
-    }
-
-    public FooterPreference(Context context) {
-        this(context, null);
-    }
-
-    @Override
-    public void onBindViewHolder(PreferenceViewHolder holder) {
-        super.onBindViewHolder(holder);
-        TextView title = holder.itemView.findViewById(android.R.id.title);
-        title.setMovementMethod(new LinkMovementMethod());
-    }
-
-    private void init() {
-        setIcon(R.drawable.ic_info_outline_24dp);
-        setKey(KEY_FOOTER);
-        setOrder(ORDER_FOOTER);
-    }
-}
diff --git a/src/com/android/settings/widget/FooterPreferenceMixin.java b/src/com/android/settings/widget/FooterPreferenceMixin.java
deleted file mode 100644
index 53e3d75..0000000
--- a/src/com/android/settings/widget/FooterPreferenceMixin.java
+++ /dev/null
@@ -1,71 +0,0 @@
-/*
- * Copyright (C) 2016 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.
- */
-
-package com.android.settings.widget;
-
-import android.content.Context;
-import android.support.v14.preference.PreferenceFragment;
-import android.support.v7.preference.PreferenceScreen;
-
-import com.android.settings.core.lifecycle.Lifecycle;
-import com.android.settings.core.lifecycle.LifecycleObserver;
-import com.android.settings.core.lifecycle.events.SetPreferenceScreen;
-
-public class FooterPreferenceMixin implements LifecycleObserver, SetPreferenceScreen {
-
-    private final PreferenceFragment mFragment;
-    private FooterPreference mFooterPreference;
-
-    public FooterPreferenceMixin(PreferenceFragment fragment, Lifecycle lifecycle) {
-        mFragment = fragment;
-        lifecycle.addObserver(this);
-    }
-
-    @Override
-    public void setPreferenceScreen(PreferenceScreen preferenceScreen) {
-        if (mFooterPreference != null) {
-            preferenceScreen.addPreference(mFooterPreference);
-        }
-    }
-
-    /**
-     * Creates a new {@link FooterPreference}.
-     */
-    public FooterPreference createFooterPreference() {
-        final PreferenceScreen screen = mFragment.getPreferenceScreen();
-        if (mFooterPreference != null && screen != null) {
-            screen.removePreference(mFooterPreference);
-        }
-        mFooterPreference = new FooterPreference(getPrefContext());
-
-        if (screen != null) {
-            screen.addPreference(mFooterPreference);
-        }
-        return mFooterPreference;
-    }
-
-    /**
-     * Returns an UI context with theme properly set for new Preference objects.
-     */
-    private Context getPrefContext() {
-        return mFragment.getPreferenceManager().getContext();
-    }
-
-    public boolean hasFooter() {
-        return mFooterPreference != null;
-    }
-}
-
diff --git a/src/com/android/settings/wifi/NotifyOpenNetworksPreferenceController.java b/src/com/android/settings/wifi/NotifyOpenNetworksPreferenceController.java
index 6e88d79..7cf19f2 100644
--- a/src/com/android/settings/wifi/NotifyOpenNetworksPreferenceController.java
+++ b/src/com/android/settings/wifi/NotifyOpenNetworksPreferenceController.java
@@ -28,10 +28,10 @@
 import android.text.TextUtils;
 
 import com.android.settings.core.PreferenceController;
-import com.android.settings.core.lifecycle.Lifecycle;
-import com.android.settings.core.lifecycle.LifecycleObserver;
-import com.android.settings.core.lifecycle.events.OnPause;
-import com.android.settings.core.lifecycle.events.OnResume;
+import com.android.settingslib.core.lifecycle.Lifecycle;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnPause;
+import com.android.settingslib.core.lifecycle.events.OnResume;
 
 /**
  * {@link PreferenceController} that controls whether we should notify user when open network is
diff --git a/src/com/android/settings/wifi/UseOpenWifiPreferenceController.java b/src/com/android/settings/wifi/UseOpenWifiPreferenceController.java
index 09f5e92..37cd692 100644
--- a/src/com/android/settings/wifi/UseOpenWifiPreferenceController.java
+++ b/src/com/android/settings/wifi/UseOpenWifiPreferenceController.java
@@ -22,10 +22,10 @@
 
 import com.android.settings.network.NetworkScoreManagerWrapper;
 import com.android.settings.core.PreferenceController;
-import com.android.settings.core.lifecycle.Lifecycle;
-import com.android.settings.core.lifecycle.LifecycleObserver;
-import com.android.settings.core.lifecycle.events.OnPause;
-import com.android.settings.core.lifecycle.events.OnResume;
+import com.android.settingslib.core.lifecycle.Lifecycle;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnPause;
+import com.android.settingslib.core.lifecycle.events.OnResume;
 
 /**
  * {@link PreferenceController} that controls whether a user wants to enable the "use open networks
diff --git a/src/com/android/settings/wifi/WifiInfoPreferenceController.java b/src/com/android/settings/wifi/WifiInfoPreferenceController.java
index f88e38b..238f0e1 100644
--- a/src/com/android/settings/wifi/WifiInfoPreferenceController.java
+++ b/src/com/android/settings/wifi/WifiInfoPreferenceController.java
@@ -29,10 +29,10 @@
 import com.android.settings.R;
 import com.android.settings.Utils;
 import com.android.settings.core.PreferenceController;
-import com.android.settings.core.lifecycle.Lifecycle;
-import com.android.settings.core.lifecycle.LifecycleObserver;
-import com.android.settings.core.lifecycle.events.OnPause;
-import com.android.settings.core.lifecycle.events.OnResume;
+import com.android.settingslib.core.lifecycle.Lifecycle;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnPause;
+import com.android.settingslib.core.lifecycle.events.OnResume;
 
 /**
  * {@link PreferenceController} that updates MAC/IP address.
diff --git a/src/com/android/settings/wifi/WifiMasterSwitchPreferenceController.java b/src/com/android/settings/wifi/WifiMasterSwitchPreferenceController.java
index 09b3331..bc61cff 100644
--- a/src/com/android/settings/wifi/WifiMasterSwitchPreferenceController.java
+++ b/src/com/android/settings/wifi/WifiMasterSwitchPreferenceController.java
@@ -20,14 +20,14 @@
 
 import com.android.settings.core.PreferenceController;
 import com.android.settings.core.instrumentation.MetricsFeatureProvider;
-import com.android.settings.core.lifecycle.LifecycleObserver;
-import com.android.settings.core.lifecycle.events.OnPause;
-import com.android.settings.core.lifecycle.events.OnResume;
-import com.android.settings.core.lifecycle.events.OnStart;
-import com.android.settings.core.lifecycle.events.OnStop;
 import com.android.settings.widget.SummaryUpdater;
 import com.android.settings.widget.MasterSwitchPreference;
 import com.android.settings.widget.MasterSwitchController;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnPause;
+import com.android.settingslib.core.lifecycle.events.OnResume;
+import com.android.settingslib.core.lifecycle.events.OnStart;
+import com.android.settingslib.core.lifecycle.events.OnStop;
 
 public class WifiMasterSwitchPreferenceController extends PreferenceController
         implements SummaryUpdater.OnSummaryChangeListener,
diff --git a/src/com/android/settings/wifi/WifiWakeupPreferenceController.java b/src/com/android/settings/wifi/WifiWakeupPreferenceController.java
index 9eea74a..9ec4c59 100644
--- a/src/com/android/settings/wifi/WifiWakeupPreferenceController.java
+++ b/src/com/android/settings/wifi/WifiWakeupPreferenceController.java
@@ -29,10 +29,10 @@
 import com.android.settings.R;
 
 import com.android.settings.core.PreferenceController;
-import com.android.settings.core.lifecycle.Lifecycle;
-import com.android.settings.core.lifecycle.LifecycleObserver;
-import com.android.settings.core.lifecycle.events.OnPause;
-import com.android.settings.core.lifecycle.events.OnResume;
+import com.android.settingslib.core.lifecycle.Lifecycle;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnPause;
+import com.android.settingslib.core.lifecycle.events.OnResume;
 
 /**
  * {@link PreferenceController} that controls whether the Wi-Fi Wakeup feature should be enabled.
diff --git a/src/com/android/settings/wifi/WpsPreferenceController.java b/src/com/android/settings/wifi/WpsPreferenceController.java
index 736d231..7aaa7eb 100644
--- a/src/com/android/settings/wifi/WpsPreferenceController.java
+++ b/src/com/android/settings/wifi/WpsPreferenceController.java
@@ -31,10 +31,10 @@
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.core.PreferenceController;
 import com.android.settings.core.instrumentation.InstrumentedDialogFragment;
-import com.android.settings.core.lifecycle.Lifecycle;
-import com.android.settings.core.lifecycle.LifecycleObserver;
-import com.android.settings.core.lifecycle.events.OnPause;
-import com.android.settings.core.lifecycle.events.OnResume;
+import com.android.settingslib.core.lifecycle.Lifecycle;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnPause;
+import com.android.settingslib.core.lifecycle.events.OnResume;
 
 /**
  * {@link PreferenceController} that shows Dialog for WPS progress. Disabled when Wi-Fi is off.
@@ -151,4 +151,4 @@
             return new WpsDialog(getActivity(), mWpsSetup);
         }
     }
-}
\ No newline at end of file
+}
diff --git a/src/com/android/settings/wifi/details/WifiDetailPreferenceController.java b/src/com/android/settings/wifi/details/WifiDetailPreferenceController.java
index dd1e4a4..2f1139b 100644
--- a/src/com/android/settings/wifi/details/WifiDetailPreferenceController.java
+++ b/src/com/android/settings/wifi/details/WifiDetailPreferenceController.java
@@ -53,12 +53,12 @@
 import com.android.settings.applications.LayoutPreference;
 import com.android.settings.core.PreferenceController;
 import com.android.settings.core.instrumentation.MetricsFeatureProvider;
-import com.android.settings.core.lifecycle.Lifecycle;
-import com.android.settings.core.lifecycle.LifecycleObserver;
-import com.android.settings.core.lifecycle.events.OnPause;
-import com.android.settings.core.lifecycle.events.OnResume;
 import com.android.settings.vpn2.ConnectivityManagerWrapper;
 import com.android.settings.wifi.WifiDetailPreference;
+import com.android.settingslib.core.lifecycle.Lifecycle;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnPause;
+import com.android.settingslib.core.lifecycle.events.OnResume;
 import com.android.settingslib.wifi.AccessPoint;
 
 import java.net.Inet4Address;
diff --git a/src/com/android/settings/wifi/p2p/WifiP2pPreferenceController.java b/src/com/android/settings/wifi/p2p/WifiP2pPreferenceController.java
index df871ab..3eb2b7b 100644
--- a/src/com/android/settings/wifi/p2p/WifiP2pPreferenceController.java
+++ b/src/com/android/settings/wifi/p2p/WifiP2pPreferenceController.java
@@ -25,10 +25,10 @@
 import android.support.v7.preference.PreferenceScreen;
 
 import com.android.settings.core.PreferenceController;
-import com.android.settings.core.lifecycle.Lifecycle;
-import com.android.settings.core.lifecycle.LifecycleObserver;
-import com.android.settings.core.lifecycle.events.OnPause;
-import com.android.settings.core.lifecycle.events.OnResume;
+import com.android.settingslib.core.lifecycle.Lifecycle;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnPause;
+import com.android.settingslib.core.lifecycle.events.OnResume;
 
 /**
  * {@link PreferenceController} to toggle Wifi Direct preference on Wi-Fi state.