Add a setting for the volume hush gesture

Bug: 75252670
Test: make -j20 RunSettingsRoboTests
Change-Id: I699aeec54eb516931b6d7c5b3fc864b169015c2f
diff --git a/res/values/arrays.xml b/res/values/arrays.xml
index 5c3dc8f..4efd4e0 100644
--- a/res/values/arrays.xml
+++ b/res/values/arrays.xml
@@ -1095,4 +1095,17 @@
         <item>no</item>
     </string-array>
 
+    <string-array name="gesture_prevent_ringing_entries" translatable="false">
+        <item>@string/prevent_ringing_option_vibrate</item>
+        <item>@string/prevent_ringing_option_mute</item>
+        <item>@string/prevent_ringing_option_none</item>
+    </string-array>
+
+    <!-- Keep in sync with Settings.Secure.VOLUME_HUSH_* -->
+    <string-array name="gesture_prevent_ringing_values" translatable="false">
+        <item>1</item>
+        <item>2</item>
+        <item>0</item>
+    </string-array>
+
 </resources>
diff --git a/res/values/strings.xml b/res/values/strings.xml
index f0d41b5..6a77d27 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -9564,6 +9564,23 @@
     <!--  Summary for battery Suggestion. [CHAR LIMIT=55] -->
     <string name="battery_suggestion_summary"></string>
 
+    <!-- Title for prevent ringing gesture screen -->
+    <string name="gesture_prevent_ringing_screen_title">Prevent ringing</string>
+    <!-- Title for prevent ringing setting -->
+    <string name="gesture_prevent_ringing_title">Press Power &amp; Volume Up together</string>
+    <!-- Option for prevent ringing setting -->
+    <string name="prevent_ringing_option_vibrate">Vibrate</string>
+    <!-- Option for prevent ringing setting -->
+    <string name="prevent_ringing_option_mute">Mute</string>
+    <!-- Option for prevent ringing setting -->
+    <string name="prevent_ringing_option_none">Do nothing</string>
+    <!-- Summary for prevent ringing setting -->
+    <string name="prevent_ringing_option_vibrate_summary">Vibrate all calls and notifications</string>
+    <!-- Summary for prevent ringing setting -->
+    <string name="prevent_ringing_option_mute_summary">Mute all calls and notifications</string>
+    <!-- Summary for prevent ringing setting -->
+    <string name="prevent_ringing_option_none_summary">Do nothing</string>
+
     <!-- Title for detail page of wifi network [CHAR LIMIT=30] -->
     <string name="pref_title_network_details">Network details</string>
 
diff --git a/res/xml/gestures.xml b/res/xml/gestures.xml
index f136ec7..7083a31 100644
--- a/res/xml/gestures.xml
+++ b/res/xml/gestures.xml
@@ -50,4 +50,9 @@
         android:title="@string/ambient_display_pickup_title"
         android:fragment="com.android.settings.gestures.PickupGestureSettings" />
 
+    <Preference
+        android:key="gesture_prevent_ringing_summary"
+        android:title="@string/gesture_prevent_ringing_screen_title"
+        android:fragment="com.android.settings.gestures.PreventRingingGestureSettings" />
+
 </PreferenceScreen>
diff --git a/res/xml/prevent_ringing_gesture_settings.xml b/res/xml/prevent_ringing_gesture_settings.xml
new file mode 100644
index 0000000..10732fc
--- /dev/null
+++ b/res/xml/prevent_ringing_gesture_settings.xml
@@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright (C) 2018 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"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:key="gesture_prevent_ringing_screen"
+    android:title="@string/gesture_prevent_ringing_screen_title">
+
+    <!-- TODO: Add video preference when it exists -->
+    <com.android.settings.widget.VideoPreference
+        android:key="gesture_prevent_ringing_video" />
+
+    <ListPreference
+        android:key="gesture_prevent_ringing"
+        android:title="@string/gesture_prevent_ringing_title"
+        android:entries="@array/gesture_prevent_ringing_entries"
+        android:entryValues="@array/gesture_prevent_ringing_values"
+        app:keywords="@string/keywords_gesture" />
+
+</PreferenceScreen>
\ No newline at end of file
diff --git a/src/com/android/settings/gestures/GestureSettings.java b/src/com/android/settings/gestures/GestureSettings.java
index 1efac5b..b3f8b79 100644
--- a/src/com/android/settings/gestures/GestureSettings.java
+++ b/src/com/android/settings/gestures/GestureSettings.java
@@ -44,6 +44,7 @@
     private static final String KEY_DOUBLE_TWIST = "gesture_double_twist_input_summary";
     private static final String KEY_DOUBLE_TAP_SCREEN = "gesture_double_tap_screen_input_summary";
     private static final String KEY_PICK_UP = "gesture_pick_up_input_summary";
+    private static final String KEY_PREVENT_RINGING = "gesture_prevent_ringing_summary";
 
     private AmbientDisplayConfiguration mAmbientDisplayConfig;
 
@@ -86,6 +87,8 @@
                 ambientDisplayConfiguration, UserHandle.myUserId(), KEY_PICK_UP));
         controllers.add(new DoubleTapScreenPreferenceController(context, lifecycle,
                 ambientDisplayConfiguration, UserHandle.myUserId(), KEY_DOUBLE_TAP_SCREEN));
+        controllers.add(new PreventRingingPreferenceController(
+                context, lifecycle, UserHandle.myUserId(), KEY_PREVENT_RINGING));
         return controllers;
     }
 
diff --git a/src/com/android/settings/gestures/PreventRingingGestureSettings.java b/src/com/android/settings/gestures/PreventRingingGestureSettings.java
new file mode 100644
index 0000000..9897b48
--- /dev/null
+++ b/src/com/android/settings/gestures/PreventRingingGestureSettings.java
@@ -0,0 +1,94 @@
+/*
+ * Copyright (C) 2018 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.gestures;
+
+import android.content.Context;
+import android.os.UserHandle;
+import android.provider.SearchIndexableResource;
+
+import com.android.internal.logging.nano.MetricsProto;
+import com.android.settings.R;
+import com.android.settings.dashboard.DashboardFragment;
+import com.android.settings.search.BaseSearchIndexProvider;
+import com.android.settingslib.core.AbstractPreferenceController;
+import com.android.settingslib.core.lifecycle.Lifecycle;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+public class PreventRingingGestureSettings extends DashboardFragment {
+
+    private static final String TAG = "RingingGestureSettings";
+    private static final String KEY_PREVENT_RINGING = "gesture_prevent_ringing";
+
+    @Override
+    public void onAttach(Context context) {
+        super.onAttach(context);
+    }
+
+    @Override
+    public int getMetricsCategory() {
+        return MetricsProto.MetricsEvent.SETTINGS_PREVENT_RINGING;
+    }
+
+    @Override
+    protected String getLogTag() {
+        return TAG;
+    }
+
+    @Override
+    protected int getPreferenceScreenResId() {
+        return R.xml.prevent_ringing_gesture_settings;
+    }
+
+    @Override
+    public int getHelpResource() {
+        return 0;
+    }
+
+    @Override
+    protected List<AbstractPreferenceController> createPreferenceControllers(Context context) {
+        return buildPreferenceControllers(context, getLifecycle());
+    }
+
+    private static List<AbstractPreferenceController> buildPreferenceControllers(Context context,
+            Lifecycle lifecycle) {
+        final List<AbstractPreferenceController> controllers = new ArrayList<>();
+        controllers.add(new PreventRingingPreferenceController(context, lifecycle,
+                UserHandle.myUserId(),  KEY_PREVENT_RINGING));
+        return controllers;
+    }
+
+    public static final SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
+            new BaseSearchIndexProvider() {
+                @Override
+                public List<SearchIndexableResource> getXmlResourcesToIndex(
+                        Context context, boolean enabled) {
+                    final SearchIndexableResource sir = new SearchIndexableResource(context);
+                    sir.xmlResId = R.xml.prevent_ringing_gesture_settings;
+                    return Arrays.asList(sir);
+                }
+
+                @Override
+                public List<AbstractPreferenceController> createPreferenceControllers(
+                        Context context) {
+                    return buildPreferenceControllers(context, null /* lifecycle */);
+                }
+            };
+
+}
diff --git a/src/com/android/settings/gestures/PreventRingingPreferenceController.java b/src/com/android/settings/gestures/PreventRingingPreferenceController.java
new file mode 100644
index 0000000..3255c92
--- /dev/null
+++ b/src/com/android/settings/gestures/PreventRingingPreferenceController.java
@@ -0,0 +1,169 @@
+/*
+ * Copyright (C) 2018 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.gestures;
+
+import static android.provider.Settings.Secure.VOLUME_HUSH_GESTURE;
+import static android.provider.Settings.Secure.VOLUME_HUSH_MUTE;
+import static android.provider.Settings.Secure.VOLUME_HUSH_OFF;
+import static android.provider.Settings.Secure.VOLUME_HUSH_VIBRATE;
+
+import android.annotation.UserIdInt;
+import android.content.Context;
+import android.os.Bundle;
+import android.provider.Settings;
+import android.support.annotation.VisibleForTesting;
+import android.support.v7.preference.ListPreference;
+import android.support.v7.preference.Preference;
+import android.support.v7.preference.PreferenceScreen;
+
+import com.android.settings.R;
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settings.widget.VideoPreference;
+import com.android.settingslib.core.AbstractPreferenceController;
+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.OnPause;
+import com.android.settingslib.core.lifecycle.events.OnResume;
+import com.android.settingslib.core.lifecycle.events.OnSaveInstanceState;
+
+public class PreventRingingPreferenceController extends AbstractPreferenceController
+        implements PreferenceControllerMixin, Preference.OnPreferenceChangeListener,
+        LifecycleObserver, OnResume, OnPause, OnCreate, OnSaveInstanceState {
+
+    private static final String PREF_KEY_VIDEO = "gesture_prevent_ringing_video";
+    private final String mPrefKey;
+    @VisibleForTesting
+    static final String KEY_VIDEO_PAUSED = "key_video_paused";
+
+    private VideoPreference mVideoPreference;
+    @VisibleForTesting
+    boolean mVideoPaused;
+
+    private final String SECURE_KEY = VOLUME_HUSH_GESTURE;
+
+    @UserIdInt
+    private final int mUserId;
+
+    public PreventRingingPreferenceController(Context context, Lifecycle lifecycle,
+            @UserIdInt int userId, String key) {
+        super(context);
+        if (lifecycle != null) {
+            lifecycle.addObserver(this);
+        }
+        mUserId = userId;
+        mPrefKey = key;
+    }
+
+    @Override
+    public void displayPreference(PreferenceScreen screen) {
+        super.displayPreference(screen);
+        if (isAvailable()) {
+            mVideoPreference = (VideoPreference) screen.findPreference(getVideoPrefKey());
+        }
+    }
+
+    @Override
+    public void updateState(Preference preference) {
+        super.updateState(preference);
+        if (preference != null) {
+            if (preference instanceof ListPreference) {
+                ListPreference pref = (ListPreference) preference;
+                int value = Settings.Secure.getInt(
+                        mContext.getContentResolver(), SECURE_KEY, VOLUME_HUSH_VIBRATE);
+                switch (value) {
+                    case VOLUME_HUSH_VIBRATE:
+                        pref.setValue(String.valueOf(value));
+                        break;
+                    case VOLUME_HUSH_MUTE:
+                        pref.setValue(String.valueOf(value));
+                        break;
+                    default:
+                        pref.setValue(String.valueOf(VOLUME_HUSH_OFF));
+                }
+            }
+        }
+    }
+
+    @Override
+    public CharSequence getSummary() {
+        int value = Settings.Secure.getInt(
+                mContext.getContentResolver(), SECURE_KEY, VOLUME_HUSH_VIBRATE);
+        int summary;
+        switch (value) {
+            case VOLUME_HUSH_VIBRATE:
+                summary = R.string.prevent_ringing_option_vibrate_summary;
+                break;
+            case VOLUME_HUSH_MUTE:
+                summary = R.string.prevent_ringing_option_mute_summary;
+                break;
+            default:
+                summary = R.string.prevent_ringing_option_none_summary;
+        }
+        return mContext.getString(summary);
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        if (savedInstanceState != null) {
+            mVideoPaused = savedInstanceState.getBoolean(KEY_VIDEO_PAUSED, false);
+        }
+    }
+
+    @Override
+    public void onSaveInstanceState(Bundle outState) {
+        outState.putBoolean(KEY_VIDEO_PAUSED, mVideoPaused);
+    }
+
+    @Override
+    public void onPause() {
+        if (mVideoPreference != null) {
+            mVideoPaused = mVideoPreference.isVideoPaused();
+            mVideoPreference.onViewInvisible();
+        }
+    }
+
+    @Override
+    public void onResume() {
+        if (mVideoPreference != null) {
+            mVideoPreference.onViewVisible(mVideoPaused);
+        }
+    }
+
+    @Override
+    public boolean isAvailable() {
+        return mContext.getResources()
+                .getBoolean(com.android.internal.R.bool.config_volumeHushGestureEnabled);
+    }
+
+    protected String getVideoPrefKey() {
+        return PREF_KEY_VIDEO;
+    }
+
+    @Override
+    public String getPreferenceKey() {
+        return mPrefKey;
+    }
+
+    @Override
+    public boolean onPreferenceChange(Preference preference, Object newValue) {
+        int value = Integer.parseInt((String) newValue);
+        Settings.Secure.putInt(mContext.getContentResolver(), SECURE_KEY, value);
+        preference.setSummary(getSummary());
+        return true;
+    }
+}
diff --git a/tests/robotests/src/com/android/settings/gestures/PreventRingingGestureSettingsTest.java b/tests/robotests/src/com/android/settings/gestures/PreventRingingGestureSettingsTest.java
new file mode 100644
index 0000000..47bb470
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/gestures/PreventRingingGestureSettingsTest.java
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2018 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.gestures;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.provider.SearchIndexableResource;
+
+import com.android.settings.testutils.SettingsRobolectricTestRunner;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.RuntimeEnvironment;
+
+import java.util.List;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+public class PreventRingingGestureSettingsTest {
+
+    private PreventRingingGestureSettings mSettings;
+
+    @Before
+    public void setUp() {
+        mSettings = new PreventRingingGestureSettings();
+    }
+
+    @Test
+    public void testSearchIndexProvider_shouldIndexResource() {
+        final List<SearchIndexableResource> indexRes =
+                PreventRingingGestureSettings.SEARCH_INDEX_DATA_PROVIDER.getXmlResourcesToIndex(
+                RuntimeEnvironment.application, true /* enabled */);
+
+        assertThat(indexRes).isNotNull();
+        assertThat(indexRes.get(0).xmlResId).isEqualTo(mSettings.getPreferenceScreenResId());
+    }
+}
diff --git a/tests/robotests/src/com/android/settings/gestures/PreventRingingPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/gestures/PreventRingingPreferenceControllerTest.java
new file mode 100644
index 0000000..d92e0e0
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/gestures/PreventRingingPreferenceControllerTest.java
@@ -0,0 +1,158 @@
+/*
+ * Copyright (C) 2018 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.gestures;
+
+import static android.provider.Settings.Secure.VOLUME_HUSH_GESTURE;
+import static android.provider.Settings.Secure.VOLUME_HUSH_MUTE;
+import static android.provider.Settings.Secure.VOLUME_HUSH_OFF;
+import static android.provider.Settings.Secure.VOLUME_HUSH_VIBRATE;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static junit.framework.Assert.assertEquals;
+
+import static org.mockito.Matchers.anyInt;
+import static org.mockito.Mockito.doReturn;
+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.content.ContentResolver;
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.provider.Settings;
+import android.support.v7.preference.ListPreference;
+import android.support.v7.preference.Preference;
+
+import com.android.internal.hardware.AmbientDisplayConfiguration;
+import com.android.settings.R;
+import com.android.settings.dashboard.suggestions.SuggestionFeatureProviderImpl;
+import com.android.settings.search.InlinePayload;
+import com.android.settings.search.InlineSwitchPayload;
+import com.android.settings.search.ResultPayload;
+import com.android.settings.testutils.SettingsRobolectricTestRunner;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Answers;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RuntimeEnvironment;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+public class PreventRingingPreferenceControllerTest {
+
+    private static final String KEY_PICK_UP = "gesture_prevent_ringing";
+
+    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
+    private Context mContext;
+
+    private PreventRingingPreferenceController mController;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mController = new PreventRingingPreferenceController(
+                mContext, null, 0, KEY_PICK_UP);
+    }
+
+    @Test
+    public void testIsAvailable_configIsTrue_shouldReturnTrue() {
+        when(mContext.getResources().getBoolean(
+                com.android.internal.R.bool.config_volumeHushGestureEnabled)).thenReturn(true);
+
+        assertThat(mController.isAvailable()).isTrue();
+    }
+
+    @Test
+    public void testIsAvailable_configIsFalse_shouldReturnFalse() {
+        when(mContext.getResources().getBoolean(
+                com.android.internal.R.bool.config_volumeHushGestureEnabled)).thenReturn(false);
+
+        assertThat(mController.isAvailable()).isFalse();
+    }
+
+    @Test
+    public void testGetSummary_mute() {
+        Settings.Secure.putInt(mContext.getContentResolver(), Settings.Secure.VOLUME_HUSH_GESTURE,
+                Settings.Secure.VOLUME_HUSH_MUTE);
+        assertEquals(mContext.getString(R.string.prevent_ringing_option_mute_summary),
+                mController.getSummary());
+    }
+
+    @Test
+    public void testGetSummary_vibrate() {
+        Settings.Secure.putInt(mContext.getContentResolver(), Settings.Secure.VOLUME_HUSH_GESTURE,
+                Settings.Secure.VOLUME_HUSH_VIBRATE);
+        assertEquals(mContext.getString(R.string.prevent_ringing_option_vibrate_summary),
+                mController.getSummary());
+    }
+    @Test
+    public void testGetSummary_other() {
+        Settings.Secure.putInt(mContext.getContentResolver(), Settings.Secure.VOLUME_HUSH_GESTURE,
+                7);
+        assertEquals(mContext.getString(R.string.prevent_ringing_option_none_summary),
+                mController.getSummary());
+    }
+
+    @Test
+    public void testUpdateState_mute() {
+        ListPreference pref = mock(ListPreference.class);
+        Settings.Secure.putInt(mContext.getContentResolver(), Settings.Secure.VOLUME_HUSH_GESTURE,
+                Settings.Secure.VOLUME_HUSH_MUTE);
+        mController.updateState(pref);
+        verify(pref).setValue(String.valueOf(Settings.Secure.VOLUME_HUSH_MUTE));
+    }
+
+    @Test
+    public void testUpdateState_vibrate() {
+        ListPreference pref = mock(ListPreference.class);
+        Settings.Secure.putInt(mContext.getContentResolver(), Settings.Secure.VOLUME_HUSH_GESTURE,
+                Settings.Secure.VOLUME_HUSH_VIBRATE);
+        mController.updateState(pref);
+        verify(pref).setValue(String.valueOf(Settings.Secure.VOLUME_HUSH_VIBRATE));
+    }
+
+    @Test
+    public void testUpdateState_other() {
+        ListPreference pref = mock(ListPreference.class);
+        Settings.Secure.putInt(mContext.getContentResolver(), Settings.Secure.VOLUME_HUSH_GESTURE,
+                7);
+        mController.updateState(pref);
+        verify(pref).setValue(String.valueOf(Settings.Secure.VOLUME_HUSH_OFF));
+    }
+
+    @Test
+    public void testUpdateState_parentPage() {
+        Preference pref = mock(Preference.class);
+        // verify no exception
+        mController.updateState(pref);
+    }
+
+    @Test
+    public void testOnPreferenceChange() {
+        Settings.Secure.putInt(mContext.getContentResolver(), Settings.Secure.VOLUME_HUSH_GESTURE,
+                7);
+
+        mController.onPreferenceChange(mock(Preference.class), String.valueOf(VOLUME_HUSH_MUTE));
+
+        assertEquals(VOLUME_HUSH_MUTE, Settings.Secure.getInt(mContext.getContentResolver(),
+                VOLUME_HUSH_GESTURE, VOLUME_HUSH_OFF));
+    }
+}