diff --git a/res/drawable/ic_power_settings.xml b/res/drawable/ic_power_settings.xml
deleted file mode 100644
index b56e3328474..00000000000
--- a/res/drawable/ic_power_settings.xml
+++ /dev/null
@@ -1,26 +0,0 @@
-<!--
-    Copyright (C) 2021 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.
--->
-
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-        android:width="24dp"
-        android:height="24dp"
-        android:viewportWidth="24"
-        android:viewportHeight="24"
-        android:tint="?android:attr/colorControlNormal">
-    <path
-        android:pathData="M11,2h2v10h-2zM18.37,5.64l-1.41,1.41c2.73,2.73 2.72,7.16 -0.01,9.89 -2.73,2.73 -7.17,2.73 -9.89,0.01 -2.73,-2.73 -2.74,-7.18 -0.01,-9.91l-1.41,-1.4c-3.51,3.51 -3.51,9.21 0.01,12.73 3.51,3.51 9.21,3.51 12.72,-0.01 3.51,-3.51 3.51,-9.2 0,-12.72z"
-        android:fillColor="@android:color/white"/>
-</vector>
\ No newline at end of file
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 2ddbae37c4b..aeaea6116b8 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -13203,23 +13203,29 @@
     <string name="cards_passes_lower">cards &amp; passes</string>
 
     <!-- Power menu setting name [CHAR LIMIT=NONE] -->
-    <string name="power_menu_setting_name">Power menu</string>
+    <string name="power_menu_setting_name">Press and hold power button</string>
 
-    <!-- Power menu setting title [CHAR LIMIT=NONE] -->
-    <string name="power_menu_setting_title">Power button menu</string>
-
-    <!-- Power menu setting option none [CHAR LIMIT=NONE] -->
-    <string name="power_menu_none">Don\u2019t show any content</string>
+    <!-- Power menu setting summary to describe press and hold power button for Assistant is enabled. [CHAR LIMIT=NONE] -->
+    <string name="power_menu_summary_long_press_for_assist_enabled">Press and hold for the Assistant</string>
+    <!-- Power menu setting summary to describe press and hold power button for Assistant is disabled and power menu will appear. [CHAR LIMIT=NONE] -->
+    <string name="power_menu_summary_long_press_for_assist_disabled_with_power_menu">Press and hold for the power menu</string>
+    <!-- Power menu setting summary to describe press and hold power button for Assistant is disabled and nothing will happen. [CHAR LIMIT=NONE] -->
+    <string name="power_menu_summary_long_press_for_assist_disabled_no_action">Press and hold disabled</string>
 
     <!-- Power menu setting privacy no secure screen lock set [CHAR_LIMIT=NONE] -->
     <string name="lockscreen_privacy_not_secure">To use, first set a screen lock</string>
 
-    <!-- Power menu setting use long press power to invoke assistant. [CHAR_LIMIT=NONE] -->
+    <!-- Power menu setting use long press power to invoke assistant. [CHAR LIMIT=NONE] -->
     <string name="power_menu_long_press_for_assist">Hold for Assistant</string>
 
-    <!-- Power menu setting use log press power to invoke assistant summary. [CHAR_LIMIT=NONE] -->
+    <!-- Power menu setting use log press power to invoke assistant summary. [CHAR LIMIT=NONE] -->
     <string name="power_menu_long_press_for_assist_summary">Trigger the Assistant by holding the power button</string>
 
+    <!-- Power menu explanation to press power and volume up to show power and emergency menu. [CHAR LIMIT=NONE] -->
+    <string name="power_menu_power_volume_up_hint">Power &amp; Emergency Menu:\nPress Power and Volume up at the same time.</string>
+    <!-- Power menu explanation where to find prevent ringing option. [CHAR LIMIT=NONE] -->
+    <string name="power_menu_power_prevent_ringing_hint">Prevent ringing:\nShortcut available in the volume menu.</string>
+
     <!-- Wallet (formerly Cards and passes) toggle name [CHAR LIMIT=60] -->
     <string name="lockscreen_privacy_wallet_setting_toggle">Show wallet</string>
     <!-- Wallet (formerly Cards and passes) summary [CHAR LIMIT=NONE] -->
diff --git a/res/xml/gestures.xml b/res/xml/gestures.xml
index 6de9c1ac4a3..175a826f108 100644
--- a/res/xml/gestures.xml
+++ b/res/xml/gestures.xml
@@ -86,4 +86,10 @@
         android:title="@string/gesture_prevent_ringing_screen_title"
         android:fragment="com.android.settings.gestures.PreventRingingGestureSettings"
         settings:controller="com.android.settings.gestures.PreventRingingParentPreferenceController" />
+
+    <Preference
+        android:key="gesture_power_menu_summary"
+        android:title="@string/power_menu_setting_name"
+        android:fragment="com.android.settings.gestures.PowerMenuSettings"
+        settings:controller="com.android.settings.gestures.PowerMenuPreferenceController" />
 </PreferenceScreen>
diff --git a/res/xml/power_menu_settings.xml b/res/xml/power_menu_settings.xml
index f88531e3802..caaeb979387 100644
--- a/res/xml/power_menu_settings.xml
+++ b/res/xml/power_menu_settings.xml
@@ -1,19 +1,16 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!--
-  ~ Copyright (C) 2020 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.
-  -->
+<!-- Copyright (C) 2020 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.
+-->
 
 <PreferenceScreen
     xmlns:android="http://schemas.android.com/apk/res/android"
@@ -26,4 +23,10 @@
         android:summary="@string/power_menu_long_press_for_assist_summary"
         settings:controller="com.android.settings.gestures.LongPressPowerButtonPreferenceController"
         />
+
+    <com.android.settingslib.widget.FooterPreference
+        android:key="power_menu_power_volume_up_hint"
+        android:title="@string/power_menu_power_volume_up_hint"
+        android:selectable="false"
+        settings:searchable="false" />
 </PreferenceScreen>
diff --git a/res/xml/system_dashboard_fragment.xml b/res/xml/system_dashboard_fragment.xml
index 67377753f33..9228ddd5f5a 100644
--- a/res/xml/system_dashboard_fragment.xml
+++ b/res/xml/system_dashboard_fragment.xml
@@ -43,14 +43,6 @@
         android:fragment="com.android.settings.datetime.DateTimeSettings"
         settings:controller="com.android.settings.datetime.DateTimePreferenceController"/>
 
-    <Preference
-        android:key="gesture_power_menu_summary"
-        android:title="@string/power_menu_setting_name"
-        android:icon="@drawable/ic_power_settings"
-        android:order="-220"
-        android:fragment="com.android.settings.gestures.PowerMenuSettings"
-        settings:controller="com.android.settings.gestures.PowerMenuPreferenceController" />
-
     <!-- System updates -->
     <Preference
         android:key="additional_system_update_settings"
diff --git a/src/com/android/settings/gestures/LongPressPowerButtonPreferenceController.java b/src/com/android/settings/gestures/LongPressPowerButtonPreferenceController.java
index 96db2c91a42..3e9c80fecce 100644
--- a/src/com/android/settings/gestures/LongPressPowerButtonPreferenceController.java
+++ b/src/com/android/settings/gestures/LongPressPowerButtonPreferenceController.java
@@ -16,45 +16,30 @@
 
 package com.android.settings.gestures;
 
-import android.content.ContentResolver;
 import android.content.Context;
-import android.content.pm.PackageManager;
-import android.database.ContentObserver;
-import android.net.Uri;
-import android.os.Handler;
-import android.os.Looper;
 import android.provider.Settings;
 
-import androidx.annotation.Nullable;
-import androidx.lifecycle.Lifecycle;
-import androidx.lifecycle.LifecycleObserver;
-import androidx.lifecycle.OnLifecycleEvent;
 import androidx.preference.Preference;
 import androidx.preference.PreferenceScreen;
 
-import com.android.internal.R;
 import com.android.internal.annotations.VisibleForTesting;
+import com.android.settings.R;
 import com.android.settings.core.TogglePreferenceController;
 
+import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
+
 /**
  * Configures the behaviour of long press power button action.
  */
-public class LongPressPowerButtonPreferenceController extends TogglePreferenceController implements
-        LifecycleObserver {
+public class LongPressPowerButtonPreferenceController extends TogglePreferenceController {
 
     private static final String POWER_BUTTON_LONG_PRESS_SETTING =
             Settings.Global.POWER_BUTTON_LONG_PRESS;
-    private static final Uri POWER_BUTTON_LONG_PRESS_SETTING_URI =
-            Settings.Global.getUriFor(POWER_BUTTON_LONG_PRESS_SETTING);
     private static final String KEY_CHORD_POWER_VOLUME_UP_SETTING =
             Settings.Global.KEY_CHORD_POWER_VOLUME_UP;
 
-    // Used for fallback to global actions if necessary.
-    @VisibleForTesting
-    static final String CARDS_AVAILABLE_KEY =
-            Settings.Secure.GLOBAL_ACTIONS_PANEL_AVAILABLE;
-    @VisibleForTesting
-    static final String CARDS_ENABLED_KEY = Settings.Secure.GLOBAL_ACTIONS_PANEL_ENABLED;
+    private static final String FOOTER_HINT_KEY = "power_menu_power_volume_up_hint";
+    private static final String ASSIST_SWITCH_KEY = "gesture_power_menu_long_press_for_assist";
 
     /**
      * Values used for long press power button behaviour when Assist setting is enabled.
@@ -63,9 +48,9 @@ public class LongPressPowerButtonPreferenceController extends TogglePreferenceCo
      * source of the value.
      */
     @VisibleForTesting
-    static final int LONG_PRESS_POWER_GLOBAL_ACTIONS = 1;
+    static final int LONG_PRESS_POWER_NO_ACTION = 0;
     @VisibleForTesting
-    static final int LONG_PRESS_POWER_SHUT_OFF = 2;
+    static final int LONG_PRESS_POWER_GLOBAL_ACTIONS = 1;
     @VisibleForTesting
     static final int LONG_PRESS_POWER_ASSISTANT_VALUE = 5; // Settings.Secure.ASSISTANT
 
@@ -89,13 +74,18 @@ public class LongPressPowerButtonPreferenceController extends TogglePreferenceCo
      * power menu, depending on their respective settings.
      */
     private static final int POWER_BUTTON_LONG_PRESS_DEFAULT_VALUE_RESOURCE =
-            R.integer.config_longPressOnPowerBehavior;
+            com.android.internal.R.integer.config_longPressOnPowerBehavior;
 
     private static final int KEY_CHORD_POWER_VOLUME_UP_DEFAULT_VALUE_RESOURCE =
-            R.integer.config_keyChordPowerVolumeUp;
+            com.android.internal.R.integer.config_keyChordPowerVolumeUp;
 
-    @Nullable
-    private SettingObserver mSettingsObserver;
+    @MonotonicNonNull
+    @VisibleForTesting
+    Preference mFooterHint;
+
+    @MonotonicNonNull
+    @VisibleForTesting
+    Preference mAssistSwitch;
 
     public LongPressPowerButtonPreferenceController(Context context, String key) {
         super(context, key);
@@ -104,26 +94,22 @@ public class LongPressPowerButtonPreferenceController extends TogglePreferenceCo
     @Override
     public void displayPreference(PreferenceScreen screen) {
         super.displayPreference(screen);
-        mSettingsObserver = new SettingObserver(screen.findPreference(getPreferenceKey()));
+        mFooterHint = screen.findPreference(FOOTER_HINT_KEY);
+        mAssistSwitch = screen.findPreference(ASSIST_SWITCH_KEY);
+        refreshStateDisplay();
     }
 
-    /**
-     * Called when the settings pages resumes.
-     */
-    @OnLifecycleEvent(Lifecycle.Event.ON_RESUME)
-    public void onResume() {
-        if (mSettingsObserver != null) {
-            mSettingsObserver.register();
-        }
-    }
-
-    /**
-     * Called when the settings page pauses.
-     */
-    @OnLifecycleEvent(Lifecycle.Event.ON_PAUSE)
-    public void onPause() {
-        if (mSettingsObserver != null) {
-            mSettingsObserver.unregister();
+    @Override
+    public CharSequence getSummary() {
+        final int powerButtonValue = getPowerButtonValue();
+        if (powerButtonValue == LONG_PRESS_POWER_ASSISTANT_VALUE) {
+            return mContext.getString(R.string.power_menu_summary_long_press_for_assist_enabled);
+        } else if (powerButtonValue == LONG_PRESS_POWER_GLOBAL_ACTIONS) {
+            return mContext.getString(
+                    R.string.power_menu_summary_long_press_for_assist_disabled_with_power_menu);
+        } else {
+            return mContext.getString(
+                    R.string.power_menu_summary_long_press_for_assist_disabled_no_action);
         }
     }
 
@@ -136,10 +122,7 @@ public class LongPressPowerButtonPreferenceController extends TogglePreferenceCo
 
     @Override
     public boolean isChecked() {
-        final int powerButtonValue = Settings.Global.getInt(mContext.getContentResolver(),
-                POWER_BUTTON_LONG_PRESS_SETTING,
-                mContext.getResources().getInteger(POWER_BUTTON_LONG_PRESS_DEFAULT_VALUE_RESOURCE));
-        return powerButtonValue == LONG_PRESS_POWER_ASSISTANT_VALUE;
+        return getPowerButtonValue() == LONG_PRESS_POWER_ASSISTANT_VALUE;
     }
 
     @Override
@@ -148,12 +131,48 @@ public class LongPressPowerButtonPreferenceController extends TogglePreferenceCo
             // The key chord value is dependant on the long press setting and it always
             // toggled in tandem. POWER_BUTTON_LONG_PRESS_SETTING is always the source
             // of truth for both.
-            return setPowerVolumeChordValue(isChecked);
+            setPowerVolumeChordValue(isChecked);
+            refreshStateDisplay();
+            return true;
         }
 
         return false;
     }
 
+    private void refreshStateDisplay() {
+        if (mAssistSwitch != null) {
+            mAssistSwitch.setSummary(getSummary());
+        }
+
+        if (mFooterHint != null) {
+            String footerHintText = mContext.getString(R.string.power_menu_power_volume_up_hint);
+            // If the device supports hush gesture, we need to notify the user where to find
+            // the setting.
+            if (mContext.getResources().getBoolean(
+                    com.android.internal.R.bool.config_volumeHushGestureEnabled)) {
+                footerHintText = footerHintText + "\n\n" + mContext.getString(
+                        R.string.power_menu_power_prevent_ringing_hint);
+            }
+
+            mFooterHint.setSummary(footerHintText);
+            mFooterHint.setVisible(isPowerMenuKeyChordEnabled(mContext));
+        }
+    }
+
+    private int getPowerButtonValue() {
+        return Settings.Global.getInt(mContext.getContentResolver(),
+                POWER_BUTTON_LONG_PRESS_SETTING,
+                mContext.getResources().getInteger(POWER_BUTTON_LONG_PRESS_DEFAULT_VALUE_RESOURCE));
+    }
+
+    private static boolean isPowerMenuKeyChordEnabled(Context context) {
+        return Settings.Global.getInt(context.getContentResolver(),
+                KEY_CHORD_POWER_VOLUME_UP_SETTING,
+                context.getResources().getInteger(
+                        com.android.internal.R.integer.config_keyChordPowerVolumeUp))
+                == KEY_CHORD_POWER_VOLUME_UP_GLOBAL_ACTIONS;
+    }
+
     private boolean setPowerLongPressValue(boolean isChecked) {
         if (isChecked) {
             return Settings.Global.putInt(mContext.getContentResolver(),
@@ -162,14 +181,12 @@ public class LongPressPowerButtonPreferenceController extends TogglePreferenceCo
 
         // We need to determine the right disabled value - we set it to device default
         // if it's different than Assist, otherwise we fallback to either global actions or power
-        //menu.
+        // menu.
         final int defaultPowerButtonValue = mContext.getResources().getInteger(
                 POWER_BUTTON_LONG_PRESS_DEFAULT_VALUE_RESOURCE);
         if (defaultPowerButtonValue == LONG_PRESS_POWER_ASSISTANT_VALUE) {
-            final int fallbackValue = isCardsOrControlsAvailable() ? LONG_PRESS_POWER_GLOBAL_ACTIONS
-                    : LONG_PRESS_POWER_SHUT_OFF;
             return Settings.Global.putInt(mContext.getContentResolver(),
-                    POWER_BUTTON_LONG_PRESS_SETTING, fallbackValue);
+                    POWER_BUTTON_LONG_PRESS_SETTING, LONG_PRESS_POWER_NO_ACTION);
         }
 
         return Settings.Global.putInt(mContext.getContentResolver(),
@@ -187,53 +204,11 @@ public class LongPressPowerButtonPreferenceController extends TogglePreferenceCo
                     KEY_CHORD_POWER_VOLUME_UP_SETTING, KEY_CHORD_POWER_VOLUME_UP_GLOBAL_ACTIONS);
         }
 
-        // If the key chord defaults to mute toggle, we restore that setting if LPP option is
-        // disabled. Otherwise we default to no action.
-        boolean isMuteToggleKeyChordDefault = mContext.getResources().getInteger(
-                KEY_CHORD_POWER_VOLUME_UP_DEFAULT_VALUE_RESOURCE)
-                == KEY_CHORD_POWER_VOLUME_UP_MUTE_TOGGLE;
+        // We restore key chord to the default value.
+        int keyChordDefaultValue = mContext.getResources().getInteger(
+                KEY_CHORD_POWER_VOLUME_UP_DEFAULT_VALUE_RESOURCE);
         return Settings.Global.putInt(mContext.getContentResolver(),
-                KEY_CHORD_POWER_VOLUME_UP_SETTING, isMuteToggleKeyChordDefault
-                        ? KEY_CHORD_POWER_VOLUME_UP_MUTE_TOGGLE
-                        : KEY_CHORD_POWER_VOLUME_UP_NO_ACTION);
-    }
-
-    /**
-     * Returns true if the global actions menu on power button click is enabled via any of the
-     * content options.
-     */
-    private boolean isCardsOrControlsAvailable() {
-        final ContentResolver resolver = mContext.getContentResolver();
-        final boolean cardsAvailable = Settings.Secure.getInt(resolver, CARDS_AVAILABLE_KEY, 0)
-                != 0;
-        final boolean controlsAvailable = mContext.getPackageManager().hasSystemFeature(
-                PackageManager.FEATURE_CONTROLS);
-        return cardsAvailable || controlsAvailable;
-    }
-
-    private final class SettingObserver extends ContentObserver {
-
-        private final Preference mPreference;
-
-        SettingObserver(Preference preference) {
-            super(new Handler(Looper.getMainLooper()));
-            mPreference = preference;
-        }
-
-        public void register() {
-            final ContentResolver cr = mContext.getContentResolver();
-            cr.registerContentObserver(POWER_BUTTON_LONG_PRESS_SETTING_URI, false, this);
-        }
-
-        public void unregister() {
-            final ContentResolver cr = mContext.getContentResolver();
-            cr.unregisterContentObserver(this);
-        }
-
-        @Override
-        public void onChange(boolean selfChange) {
-            updateState(mPreference);
-        }
+                KEY_CHORD_POWER_VOLUME_UP_SETTING, keyChordDefaultValue);
     }
 
 }
diff --git a/src/com/android/settings/gestures/PowerMenuPreferenceController.java b/src/com/android/settings/gestures/PowerMenuPreferenceController.java
index 06937530a63..0d5f810d884 100644
--- a/src/com/android/settings/gestures/PowerMenuPreferenceController.java
+++ b/src/com/android/settings/gestures/PowerMenuPreferenceController.java
@@ -17,28 +17,54 @@
 package com.android.settings.gestures;
 
 import android.content.Context;
+import android.provider.Settings;
 
+import com.android.internal.annotations.VisibleForTesting;
 import com.android.settings.R;
 import com.android.settings.core.BasePreferenceController;
 
 public class PowerMenuPreferenceController extends BasePreferenceController {
 
+    private static final String POWER_BUTTON_LONG_PRESS_SETTING =
+            Settings.Global.POWER_BUTTON_LONG_PRESS;
+
+    @VisibleForTesting
+    static final int LONG_PRESS_POWER_GLOBAL_ACTIONS = 1;
+    @VisibleForTesting
+    static final int LONG_PRESS_POWER_ASSISTANT_VALUE = 5;
+
     public PowerMenuPreferenceController(Context context, String key) {
         super(context, key);
     }
 
     @Override
     public CharSequence getSummary() {
-        return mContext.getText(R.string.power_menu_long_press_for_assist);
+        final int powerButtonValue = getPowerButtonLongPressValue(mContext);
+        if (powerButtonValue == LONG_PRESS_POWER_ASSISTANT_VALUE) {
+            return mContext.getText(R.string.power_menu_summary_long_press_for_assist_enabled);
+        } else if (powerButtonValue == LONG_PRESS_POWER_GLOBAL_ACTIONS) {
+            return mContext.getText(
+                    R.string.power_menu_summary_long_press_for_assist_disabled_with_power_menu);
+        } else {
+            return mContext.getText(
+                    R.string.power_menu_summary_long_press_for_assist_disabled_no_action);
+        }
     }
 
     @Override
     public int getAvailabilityStatus() {
-        return isAssistInvocationAvailable() ? AVAILABLE : CONDITIONALLY_UNAVAILABLE;
+        return isAssistInvocationAvailable() ? AVAILABLE : UNSUPPORTED_ON_DEVICE;
     }
 
     private boolean isAssistInvocationAvailable() {
         return mContext.getResources().getBoolean(
                 com.android.internal.R.bool.config_longPressOnPowerForAssistantSettingAvailable);
     }
+
+    private static int getPowerButtonLongPressValue(Context context) {
+        return Settings.Global.getInt(context.getContentResolver(),
+                POWER_BUTTON_LONG_PRESS_SETTING,
+                context.getResources().getInteger(
+                        com.android.internal.R.integer.config_longPressOnPowerBehavior));
+    }
 }
diff --git a/tests/robotests/src/com/android/settings/gestures/LongPressPowerButtonPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/gestures/LongPressPowerButtonPreferenceControllerTest.java
index 085e53d232e..053fa5a12d7 100644
--- a/tests/robotests/src/com/android/settings/gestures/LongPressPowerButtonPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/gestures/LongPressPowerButtonPreferenceControllerTest.java
@@ -18,20 +18,28 @@ package com.android.settings.gestures;
 
 import static com.google.common.truth.Truth.assertThat;
 
+import static org.mockito.ArgumentMatchers.anyInt;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
 import android.app.Application;
 import android.content.res.Resources;
 import android.provider.Settings;
 
+import androidx.annotation.StringRes;
+import androidx.preference.Preference;
+import androidx.test.core.app.ApplicationProvider;
+
+import com.android.settings.R;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.MockitoAnnotations;
+import org.mockito.stubbing.Answer;
 import org.robolectric.RobolectricTestRunner;
-import org.robolectric.RuntimeEnvironment;
 
 @RunWith(RobolectricTestRunner.class)
 public class LongPressPowerButtonPreferenceControllerTest {
@@ -46,14 +54,20 @@ public class LongPressPowerButtonPreferenceControllerTest {
     @Before
     public void setUp() {
         MockitoAnnotations.initMocks(this);
-        mContext = spy(RuntimeEnvironment.application);
+        mContext = spy(ApplicationProvider.getApplicationContext());
         mResources = mock(Resources.class);
         when(mContext.getResources()).thenReturn(mResources);
+        when(mResources.getString(anyInt())).thenAnswer((Answer<String>) invocation -> {
+            int id = invocation.getArgument(0);
+            return getString(id);
+        });
         when(mResources.getBoolean(
                 com.android.internal.R.bool.config_longPressOnPowerForAssistantSettingAvailable))
                 .thenReturn(true);
         mController = new LongPressPowerButtonPreferenceController(mContext,
                 KEY_LONG_PRESS_POWER_BUTTON);
+        mController.mAssistSwitch = mock(Preference.class);
+        mController.mFooterHint = mock(Preference.class);
     }
 
     @Test
@@ -74,6 +88,60 @@ public class LongPressPowerButtonPreferenceControllerTest {
         assertThat(mController.isAvailable()).isFalse();
     }
 
+    @Test
+    public void preferenceChecked_powerMenuHintTextShown() {
+        mController.onPreferenceChange(null, true);
+
+        verify(mController.mFooterHint).setSummary(
+                getString(
+                        R.string.power_menu_power_volume_up_hint));
+        verify(mController.mFooterHint).setVisible(true);
+    }
+
+
+    @Test
+    public void preferenceUnchecked_keyChordEnabled_powerMenuHintTextShown() {
+        when(mResources.getInteger(
+                com.android.internal.R.integer.config_keyChordPowerVolumeUp))
+                .thenReturn(
+                 LongPressPowerButtonPreferenceController.KEY_CHORD_POWER_VOLUME_UP_GLOBAL_ACTIONS);
+
+        mController.onPreferenceChange(null, false);
+
+        verify(mController.mFooterHint).setSummary(
+                getString(
+                        R.string.power_menu_power_volume_up_hint));
+        verify(mController.mFooterHint).setVisible(true);
+    }
+
+    @Test
+    public void preferenceChecked_hushGestureEnabled_powerMenuHintTextIncludesHushHint() {
+        when(mResources.getBoolean(
+                com.android.internal.R.bool.config_volumeHushGestureEnabled))
+                .thenReturn(true);
+
+        mController.onPreferenceChange(null, true);
+
+        verify(mController.mFooterHint).setSummary(
+                getString(
+                        R.string.power_menu_power_volume_up_hint) + "\n\n"
+                        + getString(
+                        R.string.power_menu_power_prevent_ringing_hint));
+        verify(mController.mFooterHint).setVisible(true);
+    }
+
+
+    @Test
+    public void preferenceUnchecked_keyChordDisabled_powerMenuHintTextHidden() {
+        mController.onPreferenceChange(null, false);
+        when(mResources.getInteger(
+                com.android.internal.R.integer.config_keyChordPowerVolumeUp))
+                .thenReturn(
+                      LongPressPowerButtonPreferenceController.KEY_CHORD_POWER_VOLUME_UP_NO_ACTION);
+
+        verify(mController.mFooterHint).setVisible(false);
+    }
+
     @Test
     public void preferenceChecked_longPressPowerSettingSetToAssistant() {
         mController.onPreferenceChange(null, true);
@@ -84,21 +152,29 @@ public class LongPressPowerButtonPreferenceControllerTest {
         assertThat(Settings.Global.getInt(mContext.getContentResolver(),
                 Settings.Global.KEY_CHORD_POWER_VOLUME_UP, -1)).isEqualTo(
                 LongPressPowerButtonPreferenceController.KEY_CHORD_POWER_VOLUME_UP_GLOBAL_ACTIONS);
+        verify(mController.mAssistSwitch).setSummary(
+                getString(
+                        R.string.power_menu_summary_long_press_for_assist_enabled));
     }
 
     @Test
     public void preferenceUnchecked_longPressPowerSettingSetToDefaultValue() {
-        // Value out of range chosen deliberately.
         when(mResources.getInteger(
                 com.android.internal.R.integer.config_longPressOnPowerBehavior))
-                .thenReturn(8);
+                .thenReturn(
+                        LongPressPowerButtonPreferenceController.LONG_PRESS_POWER_GLOBAL_ACTIONS);
 
         mController.onPreferenceChange(null, false);
+
         assertThat(Settings.Global.getInt(mContext.getContentResolver(),
-                Settings.Global.POWER_BUTTON_LONG_PRESS, -1)).isEqualTo(8);
+                Settings.Global.POWER_BUTTON_LONG_PRESS, -1)).isEqualTo(
+                LongPressPowerButtonPreferenceController.LONG_PRESS_POWER_GLOBAL_ACTIONS);
         assertThat(Settings.Global.getInt(mContext.getContentResolver(),
                 Settings.Global.KEY_CHORD_POWER_VOLUME_UP, -1)).isEqualTo(
                 LongPressPowerButtonPreferenceController.KEY_CHORD_POWER_VOLUME_UP_NO_ACTION);
+        verify(mController.mAssistSwitch).setSummary(
+                getString(
+                       R.string.power_menu_summary_long_press_for_assist_disabled_with_power_menu));
     }
 
     @Test
@@ -110,9 +186,10 @@ public class LongPressPowerButtonPreferenceControllerTest {
         when(mResources.getInteger(
                 com.android.internal.R.integer.config_keyChordPowerVolumeUp))
                 .thenReturn(
-                LongPressPowerButtonPreferenceController.KEY_CHORD_POWER_VOLUME_UP_MUTE_TOGGLE);
+                    LongPressPowerButtonPreferenceController.KEY_CHORD_POWER_VOLUME_UP_MUTE_TOGGLE);
 
         mController.onPreferenceChange(null, false);
+
         assertThat(Settings.Global.getInt(mContext.getContentResolver(),
                 Settings.Global.POWER_BUTTON_LONG_PRESS, -1)).isEqualTo(8);
         assertThat(Settings.Global.getInt(mContext.getContentResolver(),
@@ -121,7 +198,7 @@ public class LongPressPowerButtonPreferenceControllerTest {
     }
 
     @Test
-    public void preferenceUnchecked_assistDefault_setShutOff() {
+    public void preferenceUnchecked_assistDefault_setNoAction() {
         // Value out of range chosen deliberately.
         when(mResources.getInteger(
                 com.android.internal.R.integer.config_longPressOnPowerBehavior))
@@ -129,33 +206,19 @@ public class LongPressPowerButtonPreferenceControllerTest {
                         LongPressPowerButtonPreferenceController.LONG_PRESS_POWER_ASSISTANT_VALUE);
 
         mController.onPreferenceChange(null, false);
+
         assertThat(Settings.Global.getInt(mContext.getContentResolver(),
                 Settings.Global.POWER_BUTTON_LONG_PRESS, -1)).isEqualTo(
-                LongPressPowerButtonPreferenceController.LONG_PRESS_POWER_SHUT_OFF);
+                LongPressPowerButtonPreferenceController.LONG_PRESS_POWER_NO_ACTION);
         assertThat(Settings.Global.getInt(mContext.getContentResolver(),
                 Settings.Global.KEY_CHORD_POWER_VOLUME_UP, -1)).isEqualTo(
                 LongPressPowerButtonPreferenceController.KEY_CHORD_POWER_VOLUME_UP_NO_ACTION);
+        verify(mController.mAssistSwitch).setSummary(
+                getString(
+                        R.string.power_menu_summary_long_press_for_assist_disabled_no_action));
     }
 
-
-    @Test
-    public void preferenceUnchecked_assistDefaultGlobalActionsEnabled_setGlobalActions() {
-        // Value out of range chosen deliberately.
-        when(mResources.getInteger(
-                com.android.internal.R.integer.config_longPressOnPowerBehavior))
-                .thenReturn(
-                        LongPressPowerButtonPreferenceController.LONG_PRESS_POWER_ASSISTANT_VALUE);
-        Settings.Secure.putInt(mContext.getContentResolver(),
-                LongPressPowerButtonPreferenceController.CARDS_AVAILABLE_KEY, 1);
-        Settings.Secure.putInt(mContext.getContentResolver(),
-                LongPressPowerButtonPreferenceController.CARDS_ENABLED_KEY, 1);
-
-        mController.onPreferenceChange(null, false);
-        assertThat(Settings.Global.getInt(mContext.getContentResolver(),
-                Settings.Global.POWER_BUTTON_LONG_PRESS, -1)).isEqualTo(
-                LongPressPowerButtonPreferenceController.LONG_PRESS_POWER_GLOBAL_ACTIONS);
-        assertThat(Settings.Global.getInt(mContext.getContentResolver(),
-                Settings.Global.KEY_CHORD_POWER_VOLUME_UP, -1)).isEqualTo(
-                LongPressPowerButtonPreferenceController.KEY_CHORD_POWER_VOLUME_UP_NO_ACTION);
+    private String getString(@StringRes int id) {
+        return ApplicationProvider.getApplicationContext().getString(id);
     }
 }
diff --git a/tests/robotests/src/com/android/settings/gestures/PowerMenuPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/gestures/PowerMenuPreferenceControllerTest.java
index 811ed70f268..1a82a139922 100644
--- a/tests/robotests/src/com/android/settings/gestures/PowerMenuPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/gestures/PowerMenuPreferenceControllerTest.java
@@ -70,6 +70,6 @@ public class PowerMenuPreferenceControllerTest {
                     .thenReturn(false);
 
         assertThat(mController.getAvailabilityStatus()).isEqualTo(
-                BasePreferenceController.CONDITIONALLY_UNAVAILABLE);
+                BasePreferenceController.UNSUPPORTED_ON_DEVICE);
     }
 }