Add initial settings for summarization

Test: SummarizationGlobalPreferenceControllerTest
Test: SummarizationPreferenceControllerTest
Flag: android.app.nm_summarization
Bug: 390415383
Change-Id: I773d69c707ae5f902860196fb44821ede15261f5

res/values/strings.xml

@@ -8847,6 +8847,13 @@
     <!-- App Info > Notifications: Title for section where notifications bundles can be configured [CHAR LIMIT=80]-->
     <string name="notification_bundles">Notification bundles</string>
 
+    <!-- App Info > Notifications: Title for section where notifications summaries can be configured [CHAR LIMIT=80]-->
+    <string name="notification_summarization_title">Notification summaries</string>
+    <string name="notification_summarization_on">On</string>
+    <string name="notification_summarization_off">Off</string>
+    <string name="notification_summarization_main_control_title">Use notification summaries</string>
+    <string name="notification_summarization_description">Automatically summarize conversation notifications from any app</string>
+
     <!-- App Info > Notifications: Title for section controlling whether this app may show notifications in a promoted format [CHAR LIMIT=80] -->
     <string name="live_notifications">Live notifications</string>
     <!-- App Info > Notifications: Text on the switch to enable or disable an app from showing notifications in a live/promoted format [CHAR LIMIT=50] -->
@@ -9269,7 +9276,6 @@
     <string name="notification_bundle_main_control_title">Use notification bundling</string>
     <string name="notification_bundle_description">Notifications with similar themes will be silenced and grouped together for a quieter experience. Bundling will override an app\'s own notification settings.</string>
 
-
     <!-- Title for managing VR (virtual reality) helper services. [CHAR LIMIT=50] -->
     <string name="vr_listeners_title">VR helper services</string>
 

res/xml/configure_notification_settings.xml

@@ -25,7 +25,7 @@
         <!-- See all apps button -->
         <Preference
             android:key="all_notifications"
-            android:order="10"
+            android:order="1"
             android:title="@string/app_notification_field"
             android:summary="@string/app_notification_field_summary"
             android:fragment="com.android.settings.applications.manageapplications.ManageApplications">
@@ -35,7 +35,7 @@
         </Preference>
         <Preference
             android:key="notification_history"
-            android:order="11"
+            android:order="2"
             android:title="@string/notification_history"
             android:summary="@string/notification_history_summary">
             <intent
@@ -44,11 +44,19 @@
                 android:targetClass="com.android.settings.notification.history.NotificationHistoryActivity" />
         </Preference>
 
+        <Preference
+            android:fragment="com.android.settings.notification.SummarizationPreferenceFragment"
+            android:key="summarization_notifications_preference"
+            android:order="3"
+            android:persistent="false"
+            android:title="@string/notification_summarization_title"
+            settings:controller="com.android.settings.notification.SummarizationPreferenceController" />
+
         <Preference
             android:fragment="com.android.settings.notification.BundlePreferenceFragment"
             android:key="bundle_notifications_preference"
             android:persistent="false"
-            android:order="12"
+            android:order="4"
             android:title="@string/notification_bundle_title"
             settings:controller="com.android.settings.notification.BundlePreferenceController" />
     </PreferenceCategory>

res/xml/summarization_notifications_settings.xml

@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    Copyright (C) 2025 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:settings="http://schemas.android.com/apk/res-auto"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:title="@string/notification_summarization_title">
+
+    <com.android.settingslib.widget.IllustrationPreference
+        android:key="illustration"
+        settings:searchable="false"
+        android:selectable="false"
+        app:lottie_cacheComposition="false"
+        settings:dynamicColor="true"/>
+
+    <com.android.settingslib.widget.TopIntroPreference
+        android:key="feature_description"
+        settings:searchable="false"
+        android:title="@string/notification_summarization_description"/>
+
+    <com.android.settingslib.widget.MainSwitchPreference
+        android:key="global_pref"
+        android:title="@string/notification_summarization_main_control_title"
+        settings:controller="com.android.settings.notification.SummarizationGlobalPreferenceController" />
+</PreferenceScreen>

src/com/android/settings/notification/NotificationBackend.java

@@ -687,6 +687,37 @@ public class NotificationBackend {
         }
     }
 
+    public boolean isNotificationSummarizationSupported() {
+        try {
+            return !sINM.getUnsupportedAdjustmentTypes().contains(Adjustment.KEY_SUMMARIZATION);
+        } catch (Exception e) {
+            Log.w(TAG, "Error calling NoMan", e);
+        }
+        return false;
+    }
+
+    public boolean isNotificationSummarizationEnabled(Context context) {
+        try {
+            return sINM.getAllowedAssistantAdjustments(context.getPackageName())
+                    .contains(Adjustment.KEY_SUMMARIZATION);
+        } catch (Exception e) {
+            Log.w(TAG, "Error calling NoMan", e);
+        }
+        return false;
+    }
+
+    public void setNotificationSummarizationEnabled(boolean enabled) {
+        try {
+            if (enabled) {
+                sINM.allowAssistantAdjustment(Adjustment.KEY_SUMMARIZATION);
+            } else {
+                sINM.disallowAssistantAdjustment(Adjustment.KEY_SUMMARIZATION);
+            }
+        } catch (Exception e) {
+            Log.w(TAG, "Error calling NoMan", e);
+        }
+    }
+
     public boolean isBundleTypeApproved(@Adjustment.Types int type) {
         try {
             int[] approved = sINM.getAllowedAdjustmentKeyTypes();

src/com/android/settings/notification/SummarizationGlobalPreferenceController.java

@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2025 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.notification;
+
+import android.app.Flags;
+import android.content.Context;
+
+import androidx.annotation.NonNull;
+
+import com.android.settings.widget.SettingsMainSwitchPreferenceController;
+
+public class SummarizationGlobalPreferenceController extends
+        SettingsMainSwitchPreferenceController {
+
+    NotificationBackend mBackend;
+
+    public SummarizationGlobalPreferenceController(@NonNull Context context,
+            @NonNull String preferenceKey) {
+        super(context, preferenceKey);
+        mBackend = new NotificationBackend();
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        if ((Flags.nmSummarization() || Flags.nmSummarizationUi())
+                && mBackend.isNotificationSummarizationSupported()) {
+            return AVAILABLE;
+        }
+        return CONDITIONALLY_UNAVAILABLE;
+    }
+
+    @Override
+    public boolean isChecked() {
+        return mBackend.isNotificationSummarizationEnabled(mContext);
+    }
+
+    @Override
+    public boolean setChecked(boolean isChecked) {
+        mBackend.setNotificationSummarizationEnabled(isChecked);
+        return true;
+    }
+
+    @Override
+    public int getSliceHighlightMenuRes() {
+        // not needed since it's not sliceable
+        return NO_RES;
+    }
+}

src/com/android/settings/notification/SummarizationPreferenceController.java

@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2025 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.notification;
+
+import android.app.Flags;
+import android.content.Context;
+
+import com.android.settings.R;
+import com.android.settings.core.BasePreferenceController;
+
+/**
+ * Controller for the summarized notifications settings page.
+ */
+public class SummarizationPreferenceController extends BasePreferenceController {
+
+    NotificationBackend mBackend;
+
+    public SummarizationPreferenceController(Context context, String preferenceKey) {
+        super(context, preferenceKey);
+        mBackend = new NotificationBackend();
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        return (Flags.nmSummarization() || Flags.nmSummarizationUi())
+                && mBackend.isNotificationSummarizationSupported()
+                ? AVAILABLE : CONDITIONALLY_UNAVAILABLE;
+    }
+
+    @Override
+    public CharSequence getSummary() {
+        return mBackend.isNotificationSummarizationEnabled(mContext)
+                ? mContext.getString(R.string.notification_summarization_on)
+                : mContext.getString(R.string.notification_summarization_off);
+    }
+}

src/com/android/settings/notification/SummarizationPreferenceFragment.java

@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2025 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.notification;
+
+import android.app.Flags;
+import android.app.settings.SettingsEnums;
+import android.content.Context;
+
+import com.android.settings.R;
+import com.android.settings.dashboard.DashboardFragment;
+import com.android.settings.search.BaseSearchIndexProvider;
+import com.android.settingslib.search.SearchIndexable;
+
+/**
+ * Fragment for summarized notifications.
+ */
+@SearchIndexable(forTarget = SearchIndexable.ALL & ~SearchIndexable.ARC)
+public class SummarizationPreferenceFragment extends DashboardFragment {
+
+    @Override
+    public int getMetricsCategory() {
+        return SettingsEnums.SUMMARIZED_NOTIFICATIONS;
+    }
+
+    @Override
+    protected int getPreferenceScreenResId() {
+        return R.xml.summarization_notifications_settings;
+    }
+    @Override
+    protected String getLogTag() {
+        return "SummarizationPreferenceFragment";
+    }
+
+    public static final BaseSearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
+            new BaseSearchIndexProvider(R.xml.summarization_notifications_settings) {
+
+                @Override
+                protected boolean isPageSearchEnabled(Context context) {
+                    return Flags.notificationClassificationUi();
+                }
+            };
+}

tests/robotests/src/com/android/settings/notification/SummarizationGlobalPreferenceControllerTest.java

@@ -0,0 +1,100 @@
+/*
+ * Copyright (C) 2025 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.notification;
+
+import static android.service.notification.Adjustment.KEY_IMPORTANCE;
+import static android.service.notification.Adjustment.KEY_SUMMARIZATION;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.app.Flags;
+import android.app.INotificationManager;
+import android.content.Context;
+import android.platform.test.flag.junit.SetFlagsRule;
+
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RobolectricTestRunner;
+import org.robolectric.RuntimeEnvironment;
+
+import java.util.List;
+
+@RunWith(RobolectricTestRunner.class)
+public class SummarizationGlobalPreferenceControllerTest {
+    @Rule
+    public final SetFlagsRule mSetFlagsRule = new SetFlagsRule();
+
+    private static final String PREFERENCE_KEY = "preference_key";
+
+    private Context mContext;
+    SummarizationGlobalPreferenceController mController;
+    @Mock
+    INotificationManager mInm;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mContext = RuntimeEnvironment.application;
+        mSetFlagsRule.enableFlags(Flags.FLAG_NM_SUMMARIZATION, Flags.FLAG_NM_SUMMARIZATION_UI);
+        mController = new SummarizationGlobalPreferenceController(mContext, PREFERENCE_KEY);
+        mController.mBackend.setNm(mInm);
+    }
+
+    @Test
+    public void isAvailable_flagEnabledNasSupports_shouldReturnTrue() {
+        assertThat(mController.isAvailable()).isTrue();
+    }
+
+    @Test
+    public void isAvailable_flagEnabledNasDoesNotSupport_shouldReturnFalse() throws Exception {
+        when(mInm.getUnsupportedAdjustmentTypes()).thenReturn(List.of(KEY_SUMMARIZATION));
+        assertThat(mController.isAvailable()).isFalse();
+    }
+
+    @Test
+    public void isAvailable_flagDisabledNasSupports_shouldReturnFalse() {
+        mSetFlagsRule.disableFlags(Flags.FLAG_NM_SUMMARIZATION);
+        mSetFlagsRule.disableFlags(Flags.FLAG_NM_SUMMARIZATION_UI);
+        assertThat(mController.isAvailable()).isFalse();
+    }
+
+    @Test
+    public void isChecked() throws Exception {
+        when(mInm.getAllowedAssistantAdjustments(any())).thenReturn(List.of(KEY_SUMMARIZATION));
+        assertThat(mController.isChecked()).isTrue();
+
+        when(mInm.getAllowedAssistantAdjustments(any())).thenReturn(List.of(KEY_IMPORTANCE));
+        assertThat(mController.isChecked()).isFalse();
+    }
+
+    @Test
+    public void setChecked() throws Exception {
+        mController.setChecked(false);
+        verify(mInm).disallowAssistantAdjustment(KEY_SUMMARIZATION);
+
+        mController.setChecked(true);
+        verify(mInm).allowAssistantAdjustment(KEY_SUMMARIZATION);
+    }
+}

tests/robotests/src/com/android/settings/notification/SummarizationPreferenceControllerTest.java

@@ -0,0 +1,90 @@
+/*
+ * Copyright (C) 2025 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.notification;
+
+import static android.service.notification.Adjustment.KEY_IMPORTANCE;
+import static android.service.notification.Adjustment.KEY_SUMMARIZATION;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.when;
+
+import android.app.Flags;
+import android.app.INotificationManager;
+import android.content.Context;
+import android.platform.test.flag.junit.SetFlagsRule;
+
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RobolectricTestRunner;
+import org.robolectric.RuntimeEnvironment;
+
+import java.util.List;
+
+@RunWith(RobolectricTestRunner.class)
+public class SummarizationPreferenceControllerTest {
+    @Rule
+    public final SetFlagsRule mSetFlagsRule = new SetFlagsRule();
+
+    private static final String PREFERENCE_KEY = "preference_key";
+
+    private Context mContext;
+    SummarizationPreferenceController mController;
+    @Mock
+    INotificationManager mInm;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mContext = RuntimeEnvironment.application;
+        mSetFlagsRule.enableFlags(Flags.FLAG_NM_SUMMARIZATION, Flags.FLAG_NM_SUMMARIZATION_UI);
+        mController = new SummarizationPreferenceController(mContext, PREFERENCE_KEY);
+        mController.mBackend.setNm(mInm);
+    }
+
+    @Test
+    public void isAvailable_flagEnabledNasSupports_shouldReturnTrue() {
+        assertThat(mController.isAvailable()).isTrue();
+    }
+
+    @Test
+    public void isAvailable_flagEnabledNasDoesNotSupport_shouldReturnFalse() throws Exception {
+        when(mInm.getUnsupportedAdjustmentTypes()).thenReturn(List.of(KEY_SUMMARIZATION));
+        assertThat(mController.isAvailable()).isFalse();
+    }
+
+    @Test
+    public void isAvailable_flagDisabledNasSupports_shouldReturnFalse() {
+        mSetFlagsRule.disableFlags(Flags.FLAG_NM_SUMMARIZATION);
+        mSetFlagsRule.disableFlags(Flags.FLAG_NM_SUMMARIZATION_UI);
+        assertThat(mController.isAvailable()).isFalse();
+    }
+
+    @Test
+    public void getSummary() throws Exception {
+        when(mInm.getAllowedAssistantAdjustments(any())).thenReturn(List.of(KEY_SUMMARIZATION));
+        assertThat(mController.getSummary()).isEqualTo("On");
+
+        when(mInm.getAllowedAssistantAdjustments(any())).thenReturn(List.of(KEY_IMPORTANCE));
+        assertThat(mController.getSummary()).isEqualTo("Off");
+    }
+}