Add nearby device SlicePreference

Change-Id: I9e88602df9ab589c3eea087b1202cbc7615dc810
Fixes: 116327443
Test: RunSettingsRoboTests

res/values/config.xml

@@ -353,4 +353,7 @@
 
     <!-- Whether or not extra preview panels should be used for screen zoom setting. -->
     <bool name="config_enable_extra_screen_zoom_preview">true</bool>
+
+    <!-- Slice Uri to query nearby devices. -->
+    <string name="config_nearby_devices_slice_uri" translatable="false">content://com.google.android.gms.nearby.fastpair/device_status_list_item</string>
 </resources>

res/xml/connected_devices.xml

@@ -20,6 +20,12 @@
     android:key="connected_devices_screen"
     android:title="@string/connected_devices_dashboard_title">
 
+    <com.android.settings.slices.SlicePreference
+        android:key="bt_nearby_slice"
+        android:title="@string/summary_placeholder"
+        settings:controller="com.android.settings.slices.SlicePreferenceController"
+        settings:allowDividerBelow="true"/>
+
     <PreferenceCategory
         android:key="available_device_list"
         android:title="@string/connected_device_available_media_title"

src/com/android/settings/connecteddevice/ConnectedDeviceDashboardFragment.java

@@ -17,6 +17,7 @@ package com.android.settings.connecteddevice;
 
 import android.app.settings.SettingsEnums;
 import android.content.Context;
+import android.net.Uri;
 import android.provider.SearchIndexableResource;
 
 import androidx.annotation.VisibleForTesting;
@@ -24,6 +25,7 @@ import androidx.annotation.VisibleForTesting;
 import com.android.settings.R;
 import com.android.settings.dashboard.DashboardFragment;
 import com.android.settings.search.BaseSearchIndexProvider;
+import com.android.settings.slices.SlicePreferenceController;
 import com.android.settingslib.core.AbstractPreferenceController;
 import com.android.settingslib.core.lifecycle.Lifecycle;
 import com.android.settingslib.search.SearchIndexable;
@@ -88,6 +90,8 @@ public class ConnectedDeviceDashboardFragment extends DashboardFragment {
         use(ConnectedDeviceGroupController.class).init(this);
         use(PreviouslyConnectedDevicePreferenceController.class).init(this);
         use(DiscoverableFooterPreferenceController.class).init(this);
+        use(SlicePreferenceController.class).setSliceUri(
+                Uri.parse(getString(R.string.config_nearby_devices_slice_uri)));
     }
 
     /**

tests/robotests/src/com/android/settings/connecteddevice/ConnectedDeviceDashboardFragmentTest.java

@@ -15,10 +15,8 @@
  */
 package com.android.settings.connecteddevice;
 
-import static com.android.settings.connecteddevice.ConnectedDeviceDashboardFragment
+import static com.android.settings.connecteddevice.ConnectedDeviceDashboardFragment.KEY_AVAILABLE_DEVICES;
-        .KEY_AVAILABLE_DEVICES;
+import static com.android.settings.connecteddevice.ConnectedDeviceDashboardFragment.KEY_CONNECTED_DEVICES;
-import static com.android.settings.connecteddevice.ConnectedDeviceDashboardFragment
-        .KEY_CONNECTED_DEVICES;
 
 import static com.google.common.truth.Truth.assertThat;
 
@@ -30,6 +28,9 @@ import android.content.pm.PackageManager;
 import android.provider.SearchIndexableResource;
 
 import com.android.settings.R;
+import com.android.settings.core.BasePreferenceController;
+import com.android.settings.core.PreferenceControllerListHelper;
+import com.android.settings.slices.SlicePreferenceController;
 import com.android.settings.testutils.shadow.ShadowBluetoothAdapter;
 import com.android.settings.testutils.shadow.ShadowConnectivityManager;
 import com.android.settings.testutils.shadow.ShadowUserManager;
@@ -49,6 +50,7 @@ import java.util.List;
 @Config(shadows = {ShadowUserManager.class,
         ShadowConnectivityManager.class, ShadowBluetoothAdapter.class})
 public class ConnectedDeviceDashboardFragmentTest {
+    private static final String KEY_NEARBY_DEVICES = "bt_nearby_slice";
 
     @Mock
     private PackageManager mPackageManager;
@@ -64,7 +66,7 @@ public class ConnectedDeviceDashboardFragmentTest {
     }
 
     @Test
-    public void testSearchIndexProvider_shouldIndexResource() {
+    public void searchIndexProvider_shouldIndexResource() {
         final List<SearchIndexableResource> indexRes =
                 ConnectedDeviceDashboardFragment.SEARCH_INDEX_DATA_PROVIDER
                         .getXmlResourcesToIndex(mContext, true /* enabled */);
@@ -74,10 +76,24 @@ public class ConnectedDeviceDashboardFragmentTest {
     }
 
     @Test
-    public void testNonIndexableKeys_existInXmlLayout() {
+    public void nonIndexableKeys_existInXmlLayout() {
         final List<String> niks = ConnectedDeviceDashboardFragment.SEARCH_INDEX_DATA_PROVIDER
                 .getNonIndexableKeys(mContext);
 
-        assertThat(niks).containsExactly(KEY_CONNECTED_DEVICES, KEY_AVAILABLE_DEVICES);
+        assertThat(niks).containsExactly(KEY_CONNECTED_DEVICES, KEY_AVAILABLE_DEVICES,
+                KEY_NEARBY_DEVICES);
+    }
+
+    @Test
+    public void getPreferenceControllers_containSlicePrefController() {
+        final List<BasePreferenceController> controllers =
+                PreferenceControllerListHelper.getPreferenceControllersFromXml(mContext,
+                        R.xml.connected_devices);
+
+        assertThat(controllers
+                .stream()
+                .filter(controller -> controller instanceof SlicePreferenceController)
+                .count())
+                .isEqualTo(1);
     }
 }