diff --git a/src/com/android/settings/slices/SliceBroadcastReceiver.java b/src/com/android/settings/slices/SliceBroadcastReceiver.java
index 970b72a..a68ed19 100644
--- a/src/com/android/settings/slices/SliceBroadcastReceiver.java
+++ b/src/com/android/settings/slices/SliceBroadcastReceiver.java
@@ -71,7 +71,7 @@
             throw new IllegalStateException("No key passed to Intent for toggle controller");
         }
 
-        BasePreferenceController controller = getBasePreferenceController(context, key);
+        final BasePreferenceController controller = getPreferenceController(context, key);
 
         if (!(controller instanceof TogglePreferenceController)) {
             throw new IllegalStateException("Toggle action passed for a non-toggle key: " + key);
@@ -79,12 +79,12 @@
 
         // TODO post context.getContentResolver().notifyChanged(uri, null) in the Toggle controller
         // so that it's automatically broadcast to any slice.
-        TogglePreferenceController toggleController = (TogglePreferenceController) controller;
-        boolean currentValue = toggleController.isChecked();
+        final TogglePreferenceController toggleController = (TogglePreferenceController) controller;
+        final boolean currentValue = toggleController.isChecked();
         toggleController.setChecked(!currentValue);
     }
 
-    private BasePreferenceController getBasePreferenceController(Context context, String key) {
+    private BasePreferenceController getPreferenceController(Context context, String key) {
         final SlicesDatabaseAccessor accessor = new SlicesDatabaseAccessor(context);
         final SliceData sliceData = accessor.getSliceDataFromKey(key);
         return SliceBuilderUtils.getPreferenceController(context, sliceData);
diff --git a/src/com/android/settings/slices/SliceBuilderUtils.java b/src/com/android/settings/slices/SliceBuilderUtils.java
index 014ead2..e9152ba 100644
--- a/src/com/android/settings/slices/SliceBuilderUtils.java
+++ b/src/com/android/settings/slices/SliceBuilderUtils.java
@@ -24,10 +24,13 @@
 import android.graphics.drawable.Icon;
 import android.text.TextUtils;
 
+import com.android.internal.annotations.VisibleForTesting;
+import com.android.settings.R;
 import com.android.settings.SubSettings;
 import com.android.settings.core.BasePreferenceController;
 import com.android.settings.core.TogglePreferenceController;
 import com.android.settings.search.DatabaseIndexingUtils;
+import com.android.settingslib.core.AbstractPreferenceController;
 
 import java.lang.reflect.Constructor;
 import java.lang.reflect.InvocationTargetException;
@@ -54,21 +57,17 @@
     public static Slice buildSlice(Context context, SliceData sliceData) {
         final PendingIntent contentIntent = getContentIntent(context, sliceData);
         final Icon icon = Icon.createWithResource(context, sliceData.getIconResource());
-        String summaryText = sliceData.getSummary();
-        String subtitleText = TextUtils.isEmpty(summaryText)
-                ? sliceData.getScreenTitle()
-                : summaryText;
+        final BasePreferenceController controller = getPreferenceController(context, sliceData);
 
-        RowBuilder builder = new RowBuilder(context, sliceData.getUri())
+        final String subtitleText = getSubtitleText(context, controller, sliceData);
+
+        final RowBuilder builder = new RowBuilder(context, sliceData.getUri())
                 .setTitle(sliceData.getTitle())
                 .setTitleItem(icon)
                 .setSubtitle(subtitleText)
                 .setContentIntent(contentIntent);
 
-        BasePreferenceController controller = getPreferenceController(context, sliceData);
-
         // TODO (b/71640747) Respect setting availability.
-        // TODO (b/71640678) Add dynamic summary text.
 
         if (controller instanceof TogglePreferenceController) {
             addToggleAction(context, builder, ((TogglePreferenceController) controller).isChecked(),
@@ -82,7 +81,7 @@
 
     /**
      * Looks at the {@link SliceData#preferenceController} from {@param sliceData} and attempts to
-     * build a {@link BasePreferenceController}.
+     * build an {@link AbstractPreferenceController}.
      */
     public static BasePreferenceController getPreferenceController(Context context,
             SliceData sliceData) {
@@ -122,4 +121,35 @@
         intent.setClassName("com.android.settings", SubSettings.class.getName());
         return PendingIntent.getActivity(context, 0 /* requestCode */, intent, 0 /* flags */);
     }
+
+    @VisibleForTesting
+    static String getSubtitleText(Context context, AbstractPreferenceController controller,
+            SliceData sliceData) {
+        String summaryText = sliceData.getSummary();
+        if (isValidSummary(context, summaryText)) {
+            return summaryText;
+        }
+
+        if (controller != null) {
+            summaryText = controller.getSummary();
+
+            if (isValidSummary(context, summaryText)) {
+                return summaryText;
+            }
+        }
+
+        return sliceData.getScreenTitle();
+    }
+
+    private static boolean isValidSummary(Context context, String summary) {
+        if (summary == null || TextUtils.isEmpty(summary.trim())) {
+            return false;
+        }
+
+        final String placeHolder = context.getString(R.string.summary_placeholder);
+        final String doublePlaceHolder = context.getString(R.string.summary_two_lines_placeholder);
+
+        return !(TextUtils.equals(summary, placeHolder)
+                || TextUtils.equals(summary, doublePlaceHolder));
+    }
 }
diff --git a/src/com/android/settings/slices/SliceDataConverter.java b/src/com/android/settings/slices/SliceDataConverter.java
index 4d9b7a5..c10753f 100644
--- a/src/com/android/settings/slices/SliceDataConverter.java
+++ b/src/com/android/settings/slices/SliceDataConverter.java
@@ -163,7 +163,7 @@
 
                 // TODO (b/67996923) Non-controller Slices should become intent-only slices.
                 // Note that without a controller, dynamic summaries are impossible.
-                // TODO (b/67996923) This will not work if preferences have nested intens:
+                // TODO (b/67996923) This will not work if preferences have nested intents:
                 // <pref ....>
                 //      <intent action="blab"/> </pref>
                 controllerClassName = XmlParserUtils.getController(mContext, attrs);
diff --git a/tests/robotests/src/com/android/settings/slices/SliceBuilderUtilsTest.java b/tests/robotests/src/com/android/settings/slices/SliceBuilderUtilsTest.java
new file mode 100644
index 0000000..10e4b76
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/slices/SliceBuilderUtilsTest.java
@@ -0,0 +1,147 @@
+/*
+ * 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.slices;
+
+import static com.android.settings.TestConfig.SDK_VERSION;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.spy;
+
+import android.content.Context;
+import android.net.Uri;
+
+import com.android.settings.R;
+import com.android.settings.TestConfig;
+import com.android.settings.core.BasePreferenceController;
+import com.android.settings.testutils.SettingsRobolectricTestRunner;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.annotation.Config;
+
+import androidx.app.slice.Slice;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+@Config(manifest = TestConfig.MANIFEST_PATH, sdk = SDK_VERSION)
+public class SliceBuilderUtilsTest {
+
+    private final String KEY = "KEY";
+    private final String TITLE = "title";
+    private final String SUMMARY = "summary";
+    private final String SCREEN_TITLE = "screen title";
+    private final String FRAGMENT_NAME = "fragment name";
+    private final int ICON = 1234; // I declare a thumb war
+    private final Uri URI = Uri.parse("content://com.android.settings.slices/test");
+    private final String PREF_CONTROLLER = FakeToggleController.class.getName();
+    ;
+
+    private Context mContext;
+
+    @Before
+    public void setUp() {
+        mContext = RuntimeEnvironment.application;
+    }
+
+    @Test
+    public void testBuildSlice_returnsMatchingSlice() {
+        Slice slice = SliceBuilderUtils.buildSlice(mContext, getDummyData());
+
+        assertThat(slice).isNotNull(); // TODO improve test for Slice content
+    }
+
+    @Test
+    public void testGetPreferenceController_buildsMatchingController() {
+        BasePreferenceController controller = SliceBuilderUtils.getPreferenceController(
+                mContext, getDummyData());
+
+        assertThat(controller).isInstanceOf(FakeToggleController.class);
+    }
+
+    @Test
+    public void testDynamicSummary_returnsSliceSummary() {
+        SliceData data = getDummyData();
+        FakePreferenceController controller = new FakePreferenceController(mContext, KEY);
+
+        String summary = SliceBuilderUtils.getSubtitleText(mContext, controller, data);
+
+        assertThat(summary).isEqualTo(data.getSummary());
+    }
+
+    @Test
+    public void testDynamicSummary_returnsFragmentSummary() {
+        SliceData data = getDummyData(null);
+        FakePreferenceController controller = spy(new FakePreferenceController(mContext, KEY));
+        String controllerSummary = "new_Summary";
+        doReturn(controllerSummary).when(controller).getSummary();
+
+        String summary = SliceBuilderUtils.getSubtitleText(mContext, controller, data);
+
+        assertThat(summary).isEqualTo(controllerSummary);
+    }
+
+    @Test
+    public void testDynamicSummary_returnsSliceScreenTitle() {
+        SliceData data = getDummyData(null);
+        FakePreferenceController controller = new FakePreferenceController(mContext, KEY);
+
+        String summary = SliceBuilderUtils.getSubtitleText(mContext, controller, data);
+
+        assertThat(summary).isEqualTo(data.getScreenTitle());
+    }
+
+    @Test
+    public void testDynamicSummary_placeHolderString_returnsScreenTitle() {
+        SliceData data = getDummyData(mContext.getString(R.string.summary_placeholder));
+        FakePreferenceController controller = new FakePreferenceController(mContext, KEY);
+        String summary = SliceBuilderUtils.getSubtitleText(mContext, controller, data);
+
+        assertThat(summary).isEqualTo(data.getScreenTitle());
+    }
+
+    @Test
+    public void testDynamicSummary_sliceDataAndFragmentPlaceholder_returnsSliceScreenTitle() {
+        String summaryPlaceholder = mContext.getString(R.string.summary_placeholder);
+        SliceData data = getDummyData(summaryPlaceholder);
+        FakePreferenceController controller = spy(new FakePreferenceController(mContext, KEY));
+        doReturn(summaryPlaceholder).when(controller).getSummary();
+
+        String summary = SliceBuilderUtils.getSubtitleText(mContext, controller, data);
+
+        assertThat(summary).isEqualTo(data.getScreenTitle());
+    }
+
+    private SliceData getDummyData() {
+        return getDummyData(SUMMARY);
+    }
+
+    private SliceData getDummyData(String summary) {
+        return new SliceData.Builder()
+                .setKey(KEY)
+                .setTitle(TITLE)
+                .setSummary(summary)
+                .setScreenTitle(SCREEN_TITLE)
+                .setIcon(ICON)
+                .setFragmentName(FRAGMENT_NAME)
+                .setUri(URI)
+                .setPreferenceControllerClassName(PREF_CONTROLLER)
+                .build();
+    }
+}
diff --git a/tests/robotests/src/com/android/settings/slices/SlicesDatabaseUtilsTest.java b/tests/robotests/src/com/android/settings/slices/SlicesDatabaseUtilsTest.java
deleted file mode 100644
index f22e85f..0000000
--- a/tests/robotests/src/com/android/settings/slices/SlicesDatabaseUtilsTest.java
+++ /dev/null
@@ -1,86 +0,0 @@
-/*
- * 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.slices;
-
-import static com.android.settings.TestConfig.SDK_VERSION;
-
-import static com.google.common.truth.Truth.assertThat;
-
-import android.content.Context;
-import android.net.Uri;
-
-import com.android.settings.TestConfig;
-import com.android.settings.core.BasePreferenceController;
-import com.android.settings.testutils.SettingsRobolectricTestRunner;
-
-import org.junit.Before;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.robolectric.RuntimeEnvironment;
-import org.robolectric.annotation.Config;
-
-import androidx.app.slice.Slice;
-
-@RunWith(SettingsRobolectricTestRunner.class)
-@Config(manifest = TestConfig.MANIFEST_PATH, sdk = SDK_VERSION)
-public class SlicesDatabaseUtilsTest {
-
-    private final String KEY = "KEY";
-    private final String TITLE = "title";
-    private final String SUMMARY = "summary";
-    private final String SCREEN_TITLE = "screen title";
-    private final String FRAGMENT_NAME = "fragment name";
-    private final int ICON = 1234; // I declare a thumb war
-    private final Uri URI = Uri.parse("content://com.android.settings.slices/test");
-    private final String PREF_CONTROLLER = FakeToggleController.class.getName();
-    ;
-
-    private Context mContext;
-
-    @Before
-    public void setUp() {
-        mContext = RuntimeEnvironment.application;
-    }
-
-    @Test
-    public void testBuildSlice_returnsMatchingSlice() {
-        Slice slice = SliceBuilderUtils.buildSlice(mContext, getDummyData());
-
-        assertThat(slice).isNotNull(); // TODO improve test for Slice content
-    }
-
-    @Test
-    public void testGetPreferenceController_buildsMatchingController() {
-        BasePreferenceController controller = SliceBuilderUtils.getPreferenceController(mContext,
-                getDummyData());
-
-        assertThat(controller).isInstanceOf(FakeToggleController.class);
-    }
-
-    private SliceData getDummyData() {
-        return new SliceData.Builder()
-                .setKey(KEY)
-                .setTitle(TITLE)
-                .setSummary(SUMMARY)
-                .setScreenTitle(SCREEN_TITLE)
-                .setIcon(ICON)
-                .setFragmentName(FRAGMENT_NAME)
-                .setUri(URI)
-                .setPreferenceControllerClassName(PREF_CONTROLLER)
-                .build();
-    }
-}