PowerUsageSummary: move controllers to xml

Also change the following controllers to have standard constructor
1. BatteryHeaderPreferenceController
2. BatteryTipPreferenceController

Change-Id: I2e68082295eb8ef18de9fef9483a10b070c77a47
Fixes: 111131567
Test: robotest

res/xml/power_usage_summary.xml

@@ -23,12 +23,16 @@
 
     <com.android.settings.applications.LayoutPreference
         android:key="battery_header"
+        android:title="@string/summary_placeholder"
         android:selectable="false"
-        android:layout="@layout/battery_header" />
+        android:layout="@layout/battery_header"
+        settings:controller="com.android.settings.fuelgauge.BatteryHeaderPreferenceController" />
 
     <PreferenceCategory
         android:key="battery_tip"
-        android:layout="@layout/preference_category_no_label" />
+        android:title="@string/summary_placeholder"
+        android:layout="@layout/preference_category_no_label"
+        settings:controller="com.android.settings.fuelgauge.batterytip.BatteryTipPreferenceController" />
 
     <Preference
         android:fragment="com.android.settings.fuelgauge.batterysaver.BatterySaverSettings"
@@ -47,7 +51,8 @@
     <SwitchPreference
         android:key="battery_percentage"
         android:title="@string/battery_percentage"
-        android:summary="@string/battery_percentage_description" />
+        android:summary="@string/battery_percentage_description"
+        settings:controller="com.android.settings.display.BatteryPercentagePreferenceController" />
 
 
     <com.android.settings.fuelgauge.PowerGaugePreference

src/com/android/settings/display/BatteryPercentagePreferenceController.java

@@ -21,8 +21,8 @@ import android.content.Context;
 import android.provider.Settings;
 
 import com.android.internal.R;
+import com.android.settings.core.BasePreferenceController;
 import com.android.settings.core.PreferenceControllerMixin;
-import com.android.settingslib.core.AbstractPreferenceController;
 
 import androidx.preference.Preference;
 import androidx.preference.SwitchPreference;
@@ -31,24 +31,18 @@ import androidx.preference.SwitchPreference;
  * A controller to manage the switch for showing battery percentage in the status bar.
  */
 
-public class BatteryPercentagePreferenceController extends AbstractPreferenceController implements
+public class BatteryPercentagePreferenceController extends BasePreferenceController implements
         PreferenceControllerMixin, Preference.OnPreferenceChangeListener {
 
-    private static final String KEY_BATTERY_PERCENTAGE = "battery_percentage";
+    public BatteryPercentagePreferenceController(Context context, String preferenceKey) {
-
+        super(context, preferenceKey);
-    public BatteryPercentagePreferenceController(Context context) {
-        super(context);
     }
 
     @Override
-    public boolean isAvailable() {
+    public int getAvailabilityStatus() {
-        return mContext.getResources()
+        return mContext.getResources().getBoolean(
-                .getBoolean(R.bool.config_battery_percentage_setting_available);
+                R.bool.config_battery_percentage_setting_available) ? AVAILABLE
-    }
+                : UNSUPPORTED_ON_DEVICE;
-
-    @Override
-    public String getPreferenceKey() {
-        return KEY_BATTERY_PERCENTAGE;
     }
 
     @Override

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

@@ -27,6 +27,7 @@ import android.widget.TextView;
 
 import com.android.settings.R;
 import com.android.settings.applications.LayoutPreference;
+import com.android.settings.core.BasePreferenceController;
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settings.widget.EntityHeaderController;
 import com.android.settingslib.Utils;
@@ -42,7 +43,7 @@ import androidx.preference.PreferenceScreen;
 /**
  * Controller that update the battery header view
  */
-public class BatteryHeaderPreferenceController extends AbstractPreferenceController
+public class BatteryHeaderPreferenceController extends BasePreferenceController
         implements PreferenceControllerMixin, LifecycleObserver, OnStart {
     @VisibleForTesting
     static final String KEY_BATTERY_HEADER = "battery_header";
@@ -56,30 +57,35 @@ public class BatteryHeaderPreferenceController extends AbstractPreferenceControl
     @VisibleForTesting
     TextView mSummary2;
 
-    private final Activity mActivity;
+    private Activity mActivity;
-    private final PreferenceFragmentCompat mHost;
+    private PreferenceFragmentCompat mHost;
-    private final Lifecycle mLifecycle;
+    private Lifecycle mLifecycle;
     private final PowerManager mPowerManager;
 
     private LayoutPreference mBatteryLayoutPref;
 
-    public BatteryHeaderPreferenceController(Context context, Activity activity,
+    public BatteryHeaderPreferenceController(Context context, String key) {
-            PreferenceFragmentCompat host, Lifecycle lifecycle) {
+        super(context, key);
-        super(context);
-        mActivity = activity;
-        mHost = host;
-        mLifecycle = lifecycle;
-        if (mLifecycle != null) {
-            mLifecycle.addObserver(this);
-        }
         mPowerManager = context.getSystemService(PowerManager.class);
     }
 
+    public void setActivity(Activity activity) {
+        mActivity = activity;
+    }
+
+    public void setFragment(PreferenceFragmentCompat fragment) {
+        mHost = fragment;
+    }
+
+    public void setLifecycle(Lifecycle lifecycle) {
+        mLifecycle = lifecycle;
+    }
+
     @Override
     public void displayPreference(PreferenceScreen screen) {
         super.displayPreference(screen);
-        mBatteryLayoutPref = (LayoutPreference) screen.findPreference(KEY_BATTERY_HEADER);
+        mBatteryLayoutPref = (LayoutPreference) screen.findPreference(getPreferenceKey());
-        mBatteryMeterView = (BatteryMeterView) mBatteryLayoutPref
+        mBatteryMeterView = mBatteryLayoutPref
                 .findViewById(R.id.battery_header_icon);
         mBatteryPercentText = mBatteryLayoutPref.findViewById(R.id.battery_percent);
         mSummary1 = mBatteryLayoutPref.findViewById(R.id.summary1);
@@ -89,13 +95,8 @@ public class BatteryHeaderPreferenceController extends AbstractPreferenceControl
     }
 
     @Override
-    public boolean isAvailable() {
+    public int getAvailabilityStatus() {
-        return true;
+        return AVAILABLE_UNSEARCHABLE;
-    }
-
-    @Override
-    public String getPreferenceKey() {
-        return KEY_BATTERY_HEADER;
     }
 
     @Override

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

@@ -25,7 +25,6 @@ import android.os.Bundle;
 import android.provider.SearchIndexableResource;
 import android.text.BidiFormatter;
 import android.text.format.Formatter;
-import android.util.SparseArray;
 import android.view.Menu;
 import android.view.MenuInflater;
 import android.view.MenuItem;
@@ -40,19 +39,15 @@ import com.android.settings.Utils;
 import com.android.settings.applications.LayoutPreference;
 import com.android.settings.core.SubSettingLauncher;
 import com.android.settings.dashboard.SummaryLoader;
-import com.android.settings.display.BatteryPercentagePreferenceController;
 import com.android.settings.fuelgauge.batterytip.BatteryTipLoader;
 import com.android.settings.fuelgauge.batterytip.BatteryTipPreferenceController;
 import com.android.settings.fuelgauge.batterytip.tips.BatteryTip;
 import com.android.settings.overlay.FeatureFactory;
 import com.android.settings.search.BaseSearchIndexProvider;
-import com.android.settingslib.core.AbstractPreferenceController;
-import com.android.settingslib.core.lifecycle.Lifecycle;
 import com.android.settingslib.search.SearchIndexable;
 import com.android.settingslib.utils.PowerUtil;
 import com.android.settingslib.utils.StringUtil;
 
-import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 
@@ -197,6 +192,22 @@ public class PowerUsageSummary extends PowerUsageBase implements OnLongClickList
                 }
             };
 
+    @Override
+    public void onAttach(Context context) {
+        super.onAttach(context);
+        final SettingsActivity activity = (SettingsActivity) getActivity();
+
+        mBatteryHeaderPreferenceController = use(BatteryHeaderPreferenceController.class);
+        mBatteryHeaderPreferenceController.setActivity(activity);
+        mBatteryHeaderPreferenceController.setFragment(this);
+        mBatteryHeaderPreferenceController.setLifecycle(getSettingsLifecycle());
+
+        mBatteryTipPreferenceController = use(BatteryTipPreferenceController.class);
+        mBatteryTipPreferenceController.setActivity(activity);
+        mBatteryTipPreferenceController.setFragment(this);
+        mBatteryTipPreferenceController.setBatteryTipListener(this::onBatteryTipHandled);
+    }
+
     @Override
     public void onCreate(Bundle icicle) {
         super.onCreate(icicle);
@@ -231,22 +242,6 @@ public class PowerUsageSummary extends PowerUsageBase implements OnLongClickList
         return R.xml.power_usage_summary;
     }
 
-    @Override
-    protected List<AbstractPreferenceController> createPreferenceControllers(Context context) {
-        final Lifecycle lifecycle = getSettingsLifecycle();
-        final SettingsActivity activity = (SettingsActivity) getActivity();
-        final List<AbstractPreferenceController> controllers = new ArrayList<>();
-        mBatteryHeaderPreferenceController = new BatteryHeaderPreferenceController(
-                context, activity, this /* host */, lifecycle);
-        controllers.add(mBatteryHeaderPreferenceController);
-        mBatteryTipPreferenceController = new BatteryTipPreferenceController(context,
-                KEY_BATTERY_TIP, (SettingsActivity) getActivity(), this /* fragment */, this /*
-                BatteryTipListener */);
-        controllers.add(mBatteryTipPreferenceController);
-        controllers.add(new BatteryPercentagePreferenceController(context));
-        return controllers;
-    }
-
     @Override
     public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
         if (DEBUG) {

src/com/android/settings/fuelgauge/batterytip/BatteryTipPreferenceController.java

@@ -59,24 +59,27 @@ public class BatteryTipPreferenceController extends BasePreferenceController {
     InstrumentedPreferenceFragment mFragment;
 
     public BatteryTipPreferenceController(Context context, String preferenceKey) {
-        this(context, preferenceKey, null, null, null);
-    }
-
-    public BatteryTipPreferenceController(Context context, String preferenceKey,
-            SettingsActivity settingsActivity, InstrumentedPreferenceFragment fragment,
-            BatteryTipListener batteryTipListener) {
         super(context, preferenceKey);
-        mBatteryTipListener = batteryTipListener;
         mBatteryTipMap = new HashMap<>();
-        mFragment = fragment;
-        mSettingsActivity = settingsActivity;
         mMetricsFeatureProvider = FeatureFactory.getFactory(context).getMetricsFeatureProvider();
         mNeedUpdate = true;
     }
 
+    public void setActivity(SettingsActivity activity) {
+        mSettingsActivity = activity;
+    }
+
+    public void setFragment(InstrumentedPreferenceFragment fragment) {
+        mFragment = fragment;
+    }
+
+    public void setBatteryTipListener(BatteryTipListener lsn) {
+        mBatteryTipListener = lsn;
+    }
+
     @Override
     public int getAvailabilityStatus() {
-        return AVAILABLE;
+        return AVAILABLE_UNSEARCHABLE;
     }
 
     @Override

tests/robotests/assets/grandfather_not_sharing_pref_controllers_with_search_provider

@@ -1 +0,0 @@
-com.android.settings.fuelgauge.PowerUsageSummary

tests/robotests/src/com/android/settings/display/BatteryPercentagePreferenceControllerTest.java

@@ -32,13 +32,15 @@ import org.robolectric.RuntimeEnvironment;
 @RunWith(SettingsRobolectricTestRunner.class)
 public class BatteryPercentagePreferenceControllerTest {
 
+    private static final String PREF_KEY = "battery_percentage";
+
     private Context mContext;
     private BatteryPercentagePreferenceController mController;
 
     @Before
     public void setup() {
         mContext = RuntimeEnvironment.application;
-        mController = new BatteryPercentagePreferenceController(mContext);
+        mController = new BatteryPercentagePreferenceController(mContext, PREF_KEY);
     }
 
     private int getPercentageSetting() {

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

@@ -36,6 +36,7 @@ import android.widget.TextView;
 
 import com.android.settings.R;
 import com.android.settings.applications.LayoutPreference;
+import com.android.settings.core.BasePreferenceController;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settings.testutils.shadow.SettingsShadowResources;
 import com.android.settings.testutils.shadow.SettingsShadowResourcesImpl;
@@ -68,6 +69,7 @@ import androidx.recyclerview.widget.RecyclerView;
         })
 public class BatteryHeaderPreferenceControllerTest {
 
+    private static final String PREF_KEY = "battery_header";
     private static final int BATTERY_LEVEL = 60;
     private static final String TIME_LEFT = "2h30min";
     private static final String BATTERY_STATUS = "Charging";
@@ -121,8 +123,11 @@ public class BatteryHeaderPreferenceControllerTest {
 
         mPowerManager = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE);
 
-        mController = new BatteryHeaderPreferenceController(
+        mController = new BatteryHeaderPreferenceController(mContext, PREF_KEY);
-                mContext, mActivity, mPreferenceFragment, mLifecycle);
+        mLifecycle.addObserver(mController);
+        mController.setActivity(mActivity);
+        mController.setFragment(mPreferenceFragment);
+        mController.setLifecycle(mLifecycle);
         mController.mBatteryMeterView = mBatteryMeterView;
         mController.mBatteryPercentText = mBatteryPercentText;
         mController.mSummary1 = mSummary;
@@ -207,4 +212,10 @@ public class BatteryHeaderPreferenceControllerTest {
             assertThat(mBatteryMeterView.getPowerSave()).isEqualTo(value);
         }
     }
+
+    @Test
+    public void getAvailabilityStatus_returnAvailableUnsearchable() {
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(
+                BasePreferenceController.AVAILABLE_UNSEARCHABLE);
+    }
 }

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

@@ -222,21 +222,6 @@ public class PowerUsageSummaryTest {
         assertThat(keys).containsAllIn(niks);
     }
 
-    @Test
-    public void preferenceControllers_getPreferenceKeys_existInPreferenceScreen() {
-        final Context context = RuntimeEnvironment.application;
-        final PowerUsageSummary fragment = new PowerUsageSummary();
-        final List<String> preferenceScreenKeys =
-            XmlTestUtils.getKeysFromPreferenceXml(context, fragment.getPreferenceScreenResId());
-        final List<String> preferenceKeys = new ArrayList<>();
-
-        for (AbstractPreferenceController controller : fragment.createPreferenceControllers(context)) {
-            preferenceKeys.add(controller.getPreferenceKey());
-        }
-
-        assertThat(preferenceScreenKeys).containsAllIn(preferenceKeys);
-    }
-
     @Test
     public void restartBatteryTipLoader() {
         //TODO: add policy logic here when BatteryTipPolicy is implemented

tests/robotests/src/com/android/settings/fuelgauge/batterytip/BatteryTipPreferenceControllerTest.java

@@ -31,6 +31,7 @@ import android.text.format.DateUtils;
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.R;
 import com.android.settings.SettingsActivity;
+import com.android.settings.core.BasePreferenceController;
 import com.android.settings.core.InstrumentedPreferenceFragment;
 import com.android.settings.fuelgauge.batterytip.tips.BatteryTip;
 import com.android.settings.fuelgauge.batterytip.tips.SummaryTip;
@@ -100,8 +101,7 @@ public class BatteryTipPreferenceControllerTest {
         mNewBatteryTips = new ArrayList<>();
         mNewBatteryTips.add(new SummaryTip(BatteryTip.StateType.INVISIBLE, AVERAGE_TIME_MS));
 
-        mBatteryTipPreferenceController = new BatteryTipPreferenceController(mContext, KEY_PREF,
+        mBatteryTipPreferenceController = buildBatteryTipPreferenceController();
-                mSettingsActivity, mFragment, mBatteryTipListener);
         mBatteryTipPreferenceController.mPreferenceGroup = mPreferenceGroup;
         mBatteryTipPreferenceController.mPrefContext = mContext;
     }
@@ -139,8 +139,7 @@ public class BatteryTipPreferenceControllerTest {
         final Bundle bundle = new Bundle();
         mBatteryTipPreferenceController.saveInstanceState(bundle);
 
-        final BatteryTipPreferenceController controller = new BatteryTipPreferenceController(
+        final BatteryTipPreferenceController controller = buildBatteryTipPreferenceController();
-                mContext, KEY_PREF, mSettingsActivity, mFragment, mBatteryTipListener);
         controller.mPreferenceGroup = mPreferenceGroup;
         controller.mPrefContext = mContext;
         controller.restoreInstanceState(bundle);
@@ -154,8 +153,7 @@ public class BatteryTipPreferenceControllerTest {
         // Battery tip list is null at this time
         mBatteryTipPreferenceController.saveInstanceState(bundle);
 
-        final BatteryTipPreferenceController controller = new BatteryTipPreferenceController(
+        final BatteryTipPreferenceController controller = buildBatteryTipPreferenceController();
-                mContext, KEY_PREF, mSettingsActivity, mFragment, mBatteryTipListener);
 
         // Should not crash
         controller.restoreInstanceState(bundle);
@@ -176,6 +174,12 @@ public class BatteryTipPreferenceControllerTest {
         verify(mBatteryTipListener).onBatteryTipHandled(mBatteryTip);
     }
 
+    @Test
+    public void getAvailabilityStatus_returnAvailableUnsearchable() {
+        assertThat(mBatteryTipPreferenceController.getAvailabilityStatus()).isEqualTo(
+                BasePreferenceController.AVAILABLE_UNSEARCHABLE);
+    }
+
     private void assertOnlyContainsSummaryTip(final PreferenceGroup preferenceGroup) {
         assertThat(preferenceGroup.getPreferenceCount()).isEqualTo(1);
 
@@ -185,4 +189,14 @@ public class BatteryTipPreferenceControllerTest {
         assertThat(preference.getSummary()).isEqualTo(
                 mContext.getString(R.string.battery_tip_summary_summary));
     }
+
+    private BatteryTipPreferenceController buildBatteryTipPreferenceController() {
+        final BatteryTipPreferenceController controller = new BatteryTipPreferenceController(
+                mContext, KEY_PREF);
+        controller.setActivity(mSettingsActivity);
+        controller.setFragment(mFragment);
+        controller.setBatteryTipListener(mBatteryTipListener);
+
+        return controller;
+    }
 }