Add smart battery page for battery settings

This page contains prefs for smart battery and app restriction.

Bug: 71502850
Test: RunSettingsRoboTests

Change-Id: I194af30cbc7b2496b10098fcb67f1116e0722310

res/layout/smart_battery_header.xml

@@ -0,0 +1,30 @@
+<?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.
+  -->
+
+<!-- Entity header -->
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/entity_header"
+    style="@style/EntityHeader"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:minHeight="200dp"
+    android:paddingBottom="32dp"
+    android:paddingStart="@dimen/preference_no_icon_padding_start"
+    android:paddingTop="24dp">
+
+</LinearLayout>

res/values/strings.xml

@@ -4773,6 +4773,19 @@
     <string name="battery_tip_low_battery_title">Low battery capacity</string>
     <!-- Summary for the low battery tip [CHAR LIMIT=NONE] -->
     <string name="battery_tip_low_battery_summary">Battery can\'t provide good battery life</string>
+    <!-- Title for the smart battery manager preference [CHAR LIMIT=NONE] -->
+    <string name="smart_battery_manager_title">Smart battery manager</string>
+    <!-- Title for the smart battery toggle [CHAR LIMIT=NONE] -->
+    <string name="smart_battery_title">Auto-manage battery</string>
+    <!-- Summary for the smart battery toggle [CHAR LIMIT=NONE] -->
+    <string name="smart_battery_summary">Automatically adjust power usage by apps based on usage</string>
+    <!-- Title for restricted app preference, clicking it will goes to restricted app list [CHAR LIMIT=NONE] -->
+    <string name="restricted_app_title">Restricted apps</string>
+    <!-- Summary for restricted app preference, clicking it will goes to restricted app list [CHAR LIMIT=NONE] -->
+    <plurals name="restricted_app_summary">
+        <item quantity="one">%1$d app</item>
+        <item quantity="other">%1$d apps</item>
+    </plurals>
 
     <!-- Title for force stop dialog [CHAR LIMIT=30] -->
     <string name="dialog_stop_title">Stop app?</string>

res/xml/power_usage_summary.xml

@@ -38,6 +38,11 @@
             android:key="battery_saver_summary"
             android:title="@string/battery_saver"/>
 
+        <Preference
+            android:fragment="com.android.settings.fuelgauge.SmartBatterySettings"
+            android:key="smart_battery_manager"
+            android:title="@string/smart_battery_manager_title"/>
+
         <SwitchPreference
             android:key="battery_percentage"
             android:title="@string/battery_percentage"

res/xml/smart_battery_detail.xml

@@ -0,0 +1,38 @@
+<?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"
+    android:title="@string/smart_battery_manager_title">
+
+    <!-- TODO(b/71722498): Add header back, otherwise also remove smart_battery_header
+    <com.android.settings.applications.LayoutPreference
+        android:key="header_view"
+        android:layout="@layout/smart_battery_header"
+        android:selectable="false"
+        android:order="-10000"/>
+     -->
+
+    <SwitchPreference
+        android:key="smart_battery"
+        android:title="@string/smart_battery_title"
+        android:summary="@string/smart_battery_summary"/>
+
+    <Preference
+        android:key="restricted_app"
+        android:title="@string/restricted_app_title"/>
+
+</PreferenceScreen>

src/com/android/settings/fuelgauge/RestrictAppPreferenceController.java

@@ -0,0 +1,63 @@
+/*
+ * 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.fuelgauge;
+
+import android.app.AppOpsManager;
+import android.content.Context;
+import android.support.annotation.VisibleForTesting;
+import android.support.v7.preference.Preference;
+
+import com.android.settings.R;
+import com.android.settings.applications.LayoutPreference;
+import com.android.settings.core.BasePreferenceController;
+
+import java.util.List;
+
+/**
+ * Controller to change and update the smart battery toggle
+ */
+public class RestrictAppPreferenceController extends BasePreferenceController {
+    @VisibleForTesting
+    static final String KEY_RESTRICT_APP = "restricted_app";
+
+    private AppOpsManager mAppOpsManager;
+    private List<AppOpsManager.PackageOps> mPackageOps;
+
+    public RestrictAppPreferenceController(Context context) {
+        super(context, KEY_RESTRICT_APP);
+        mAppOpsManager = (AppOpsManager) context.getSystemService(Context.APP_OPS_SERVICE);
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        return AVAILABLE;
+    }
+
+    @Override
+    public void updateState(Preference preference) {
+        super.updateState(preference);
+        mPackageOps = mAppOpsManager.getPackagesForOps(
+                new int[]{AppOpsManager.OP_RUN_ANY_IN_BACKGROUND});
+        final int num = mPackageOps != null ? mPackageOps.size() : 0;
+
+        preference.setSummary(
+                mContext.getResources().getQuantityString(R.plurals.restricted_app_summary, num,
+                        num));
+    }
+
+}

src/com/android/settings/fuelgauge/SmartBatteryPreferenceController.java

@@ -0,0 +1,54 @@
+/*
+ * 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.fuelgauge;
+
+import android.content.Context;
+import android.support.annotation.VisibleForTesting;
+import android.support.v7.preference.Preference;
+
+import com.android.settings.applications.LayoutPreference;
+import com.android.settings.core.BasePreferenceController;
+
+/**
+ * Controller to change and update the smart battery toggle
+ */
+public class SmartBatteryPreferenceController extends BasePreferenceController implements
+        Preference.OnPreferenceChangeListener {
+    private static final String KEY_SMART_BATTERY = "smart_battery";
+
+    public SmartBatteryPreferenceController(Context context) {
+        super(context, KEY_SMART_BATTERY);
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        return AVAILABLE;
+    }
+
+    @Override
+    public void updateState(Preference preference) {
+        super.updateState(preference);
+    }
+
+    @Override
+    public boolean onPreferenceChange(Preference preference, Object newValue) {
+        final boolean smartBatteryOn = (Boolean) newValue;
+        //TODO(b/71502850): use smart battery API here to update the state
+        return true;
+    }
+}

src/com/android/settings/fuelgauge/SmartBatterySettings.java

@@ -0,0 +1,98 @@
+/*
+ * 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.fuelgauge;
+
+import android.content.Context;
+import android.os.Bundle;
+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.widget.FooterPreferenceMixin;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+/**
+ * Fragment to show smart battery and restricted app controls
+ */
+public class SmartBatterySettings extends DashboardFragment {
+    public static final String TAG = "SmartBatterySettings";
+
+    private final FooterPreferenceMixin mFooterPreferenceMixin =
+            new FooterPreferenceMixin(this, getLifecycle());
+
+    @Override
+    public void onCreate(Bundle icicle) {
+        super.onCreate(icicle);
+        mFooterPreferenceMixin.createFooterPreference().setTitle(R.string.battery_footer_summary);
+    }
+
+    @Override
+    public int getMetricsCategory() {
+        return MetricsProto.MetricsEvent.FUELGAUGE_SMART_BATTERY;
+    }
+
+    @Override
+    protected String getLogTag() {
+        return TAG;
+    }
+
+    @Override
+    protected int getPreferenceScreenResId() {
+        return R.xml.smart_battery_detail;
+    }
+
+    @Override
+    protected List<AbstractPreferenceController> getPreferenceControllers(Context context) {
+        return buildPreferenceControllers(context);
+    }
+
+    private static List<AbstractPreferenceController> buildPreferenceControllers(
+            Context context) {
+        final List<AbstractPreferenceController> controllers = new ArrayList<>();
+        controllers.add(new SmartBatteryPreferenceController(context));
+        controllers.add(new RestrictAppPreferenceController(context));
+        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.smart_battery_detail;
+                    return Arrays.asList(sir);
+                }
+
+                @Override
+                public List<String> getNonIndexableKeys(Context context) {
+                    return super.getNonIndexableKeys(context);
+                }
+
+                @Override
+                public List<AbstractPreferenceController> getPreferenceControllers(
+                        Context context) {
+                    return buildPreferenceControllers(context);
+                }
+            };
+}

src/com/android/settings/search/SearchIndexableResources.java

@@ -50,6 +50,7 @@ import com.android.settings.enterprise.EnterprisePrivacySettings;
 import com.android.settings.fuelgauge.BatterySaverSettings;
 import com.android.settings.fuelgauge.PowerUsageAdvanced;
 import com.android.settings.fuelgauge.PowerUsageSummary;
+import com.android.settings.fuelgauge.SmartBatterySettings;
 import com.android.settings.gestures.AssistGestureSettings;
 import com.android.settings.gestures.DoubleTapPowerSettings;
 import com.android.settings.gestures.DoubleTapScreenSettings;
@@ -174,6 +175,7 @@ public final class SearchIndexableResources {
         addIndex(ZenModeBehaviorSettings.class);
         addIndex(ZenModeAutomationSettings.class);
         addIndex(NightDisplaySettings.class);
+        addIndex(SmartBatterySettings.class);
     }
 
     private SearchIndexableResources() {

tests/robotests/src/com/android/settings/fuelgauge/RestrictAppPreferenceControllerTest.java

@@ -0,0 +1,88 @@
+/*
+ * 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.fuelgauge;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Matchers.any;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.spy;
+
+import android.app.AppOpsManager;
+import android.content.Context;
+import android.support.v7.preference.Preference;
+
+import com.android.settings.TestConfig;
+
+import org.junit.Before;
+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 org.robolectric.annotation.Config;
+
+import java.util.ArrayList;
+import java.util.List;
+
+@RunWith(RobolectricTestRunner.class)
+@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
+public class RestrictAppPreferenceControllerTest {
+
+    @Mock
+    private AppOpsManager mAppOpsManager;
+    @Mock
+    private AppOpsManager.PackageOps mPackageOps;
+    private List<AppOpsManager.PackageOps> mPackageOpsList;
+    private RestrictAppPreferenceController mRestrictAppPreferenceController;
+    private Preference mPreference;
+    private Context mContext;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+
+        mContext = spy(RuntimeEnvironment.application);
+        doReturn(mAppOpsManager).when(mContext).getSystemService(Context.APP_OPS_SERVICE);
+        mRestrictAppPreferenceController = new RestrictAppPreferenceController(mContext);
+        mPackageOpsList = new ArrayList<>();
+        mPreference = new Preference(mContext);
+    }
+
+    @Test
+    public void testUpdateState_oneApp_showCorrectSummary() {
+        mPackageOpsList.add(mPackageOps);
+        doReturn(mPackageOpsList).when(mAppOpsManager).getPackagesForOps(any());
+
+        mRestrictAppPreferenceController.updateState(mPreference);
+
+        assertThat(mPreference.getSummary()).isEqualTo("1 app");
+    }
+
+    @Test
+    public void testUpdateState_twoApps_showCorrectSummary() {
+        mPackageOpsList.add(mPackageOps);
+        mPackageOpsList.add(mPackageOps);
+        doReturn(mPackageOpsList).when(mAppOpsManager).getPackagesForOps(any());
+
+        mRestrictAppPreferenceController.updateState(mPreference);
+
+        assertThat(mPreference.getSummary()).isEqualTo("2 apps");
+    }
+
+}