Loading suggestions via legacy SuggestionService sometimes

When legacy_suggestion flag is turned on, load Suggestions from
SuggestionService instead of contextual homepage, because contextual
homepage infrastructure might not be availble on all devices.

Bug: 118842099
Test: robo
Change-Id: I91710c005e11be5a9b3dd39ceff670106e7f80c3

res/layout/homepage_condition_full_tile.xml

@@ -32,8 +32,8 @@
 
         <ImageView
             android:id="@android:id/icon"
-            android:layout_width="@dimen/suggestion_card_icon_size"
+            android:layout_width="@dimen/homepage_card_icon_size"
-            android:layout_height="@dimen/suggestion_card_icon_size"
+            android:layout_height="@dimen/homepage_card_icon_size"
             android:tint="?android:attr/colorAccent"/>
 
         <LinearLayout

res/layout/homepage_condition_half_tile.xml

@@ -32,8 +32,8 @@
 
         <ImageView
             android:id="@android:id/icon"
-            android:layout_width="@dimen/suggestion_card_icon_size"
+            android:layout_width="@dimen/homepage_card_icon_size"
-            android:layout_height="@dimen/suggestion_card_icon_size"
+            android:layout_height="@dimen/homepage_card_icon_size"
             android:tint="?android:attr/colorAccent"/>
 
         <TextView

res/layout/homepage_suggestion_tile.xml

@@ -0,0 +1,70 @@
+<?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.
+  -->
+
+<androidx.cardview.widget.CardView
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/suggestion_card"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    style="@style/ContextualCardStyle">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:minHeight="112dp"
+        android:paddingBottom="8dp"
+        android:orientation="vertical">
+
+        <RelativeLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="horizontal">
+
+            <ImageView
+                android:id="@android:id/icon"
+                android:layout_width="@dimen/homepage_card_icon_size"
+                android:layout_height="@dimen/homepage_card_icon_size"
+                style="@style/SuggestionCardIcon"
+                android:layout_marginTop="16dp"
+                android:layout_marginBottom="6dp"/>
+
+        </RelativeLayout>
+
+        <TextView
+            android:id="@android:id/title"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            style="@style/SuggestionCardText"
+            android:layout_marginStart="12dp"
+            android:layout_marginEnd="12dp"
+            android:singleLine="true"
+            android:textAppearance="@style/TextAppearance.SuggestionTitle"
+            android:fadingEdge="horizontal"/>
+
+        <TextView
+            android:id="@android:id/summary"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            style="@style/SuggestionCardText"
+            android:layout_marginStart="12dp"
+            android:layout_marginEnd="12dp"
+            android:singleLine="true"
+            android:textAppearance="@style/TextAppearance.SuggestionSummary"/>
+
+    </LinearLayout>
+
+</androidx.cardview.widget.CardView>

res/values/config.xml

@@ -134,6 +134,12 @@
          have distinct intensity levels -->
     <bool name="config_vibration_supports_multiple_intensities">false</bool>
 
+    <!--
+        Whether or not the homepage should be powered by legacy suggestion (versus contextual cards)
+        Default to true as not all devices support contextual cards.
+    -->
+    <bool name="config_use_legacy_suggestion">true</bool>
+
     <!-- Whether or not TopLevelSettings should force rounded icon for injected tiles -->
     <bool name="config_force_rounded_icon_TopLevelSettings">true</bool>
 

res/values/dimens.xml

@@ -303,17 +303,6 @@
     <dimen name="suggestion_condition_header_padding_expanded">5dp</dimen>
     <dimen name="condition_header_height">36dp</dimen>
 
-    <!-- Suggestion cards size and padding -->
-    <dimen name="suggestion_card_icon_size">24dp</dimen>
-    <dimen name="suggestion_card_outer_margin">14dp</dimen>
-    <dimen name="suggestion_card_inner_margin">12dp</dimen>
-    <dimen name="suggestion_card_padding_bottom_one_card">16dp</dimen>
-    <dimen name="suggestion_card_corner_radius">2dp</dimen>
-    <dimen name="suggestion_card_icon_side_margin">12dp</dimen>
-    <dimen name="suggestion_card_button_side_margin">8dp</dimen>
-    <dimen name="suggestion_card_button_top_margin">16dp</dimen>
-    <dimen name="suggestion_card_button_bottom_margin">18dp</dimen>
-
     <!-- Condition cards size and padding -->
     <dimen name="condition_card_elevation">2dp</dimen>
 
@@ -331,6 +320,7 @@
     <dimen name="homepage_bottombar_fab_cradle">68dp</dimen>
 
     <!-- Homepage cards size and padding -->
+    <dimen name="homepage_card_icon_size">24dp</dimen>
     <dimen name="homepage_card_corner_radius">8dp</dimen>
     <dimen name="homepage_card_elevation">2dp</dimen>
     <dimen name="homepage_card_vertical_margin">4dp</dimen>

res/values/styles.xml

@@ -350,16 +350,8 @@
     <style name="SuggestionCardIcon">
         <item name="android:layout_centerHorizontal">false</item>
         <item name="android:layout_alignParentStart">true</item>
-        <item name="android:layout_marginStart">@dimen/suggestion_card_icon_side_margin</item>
+        <item name="android:layout_marginStart">12dp</item>
-        <item name="android:layout_marginEnd">@dimen/suggestion_card_icon_side_margin</item>
+        <item name="android:layout_marginEnd">12dp</item>
-    </style>
-
-    <style name="SuggestionCardButton">
-        <item name="android:layout_gravity">start</item>
-        <item name="android:layout_marginStart">@dimen/suggestion_card_button_side_margin</item>
-        <item name="android:layout_marginEnd">@dimen/suggestion_card_button_side_margin</item>
-        <item name="android:layout_marginTop">@dimen/suggestion_card_button_top_margin</item>
-        <item name="android:layout_marginBottom">@dimen/suggestion_card_button_bottom_margin</item>
     </style>
 
     <style name="FingerprintLayoutTheme">

src/com/android/settings/homepage/contextualcards/ContextualCard.java

@@ -33,12 +33,12 @@ public class ContextualCard {
     /**
      * Flags indicating the type of the ContextualCard.
      */
-    @IntDef({CardType.DEFAULT, CardType.SLICE, CardType.SUGGESTION, CardType.CONDITIONAL})
+    @IntDef({CardType.DEFAULT, CardType.SLICE, CardType.LEGACY_SUGGESTION, CardType.CONDITIONAL})
     @Retention(RetentionPolicy.SOURCE)
     public @interface CardType {
         int DEFAULT = 0;
         int SLICE = 1;
-        int SUGGESTION = 2;
+        int LEGACY_SUGGESTION = 2;
         int CONDITIONAL = 3;
     }
 

src/com/android/settings/homepage/contextualcards/ContextualCardLookupTable.java

@@ -18,11 +18,16 @@ package com.android.settings.homepage.contextualcards;
 
 import android.util.Log;
 
+import androidx.annotation.LayoutRes;
 import androidx.annotation.VisibleForTesting;
 
 import com.android.settings.homepage.contextualcards.ContextualCard.CardType;
 import com.android.settings.homepage.contextualcards.conditional.ConditionContextualCardController;
 import com.android.settings.homepage.contextualcards.conditional.ConditionContextualCardRenderer;
+import com.android.settings.homepage.contextualcards.legacysuggestion
+        .LegacySuggestionContextualCardController;
+import com.android.settings.homepage.contextualcards.legacysuggestion
+        .LegacySuggestionContextualCardRenderer;
 import com.android.settings.homepage.contextualcards.slices.SliceContextualCardController;
 import com.android.settings.homepage.contextualcards.slices.SliceContextualCardRenderer;
 
@@ -34,6 +39,7 @@ import java.util.stream.Collectors;
 
 public class ContextualCardLookupTable {
     private static final String TAG = "ContextualCardLookup";
+
     static class ControllerRendererMapping implements Comparable<ControllerRendererMapping> {
         @CardType
         final int mCardType;
@@ -41,7 +47,7 @@ public class ContextualCardLookupTable {
         final Class<? extends ContextualCardController> mControllerClass;
         final Class<? extends ContextualCardRenderer> mRendererClass;
 
-        ControllerRendererMapping(@CardType int cardType, int viewType,
+        ControllerRendererMapping(@CardType int cardType, @LayoutRes int viewType,
                 Class<? extends ContextualCardController> controllerClass,
                 Class<? extends ContextualCardRenderer> rendererClass) {
             mCardType = cardType;
@@ -69,6 +75,10 @@ public class ContextualCardLookupTable {
                         ConditionContextualCardRenderer.FULL_WIDTH_VIEW_TYPE,
                         ConditionContextualCardController.class,
                         ConditionContextualCardRenderer.class));
+                add(new ControllerRendererMapping(CardType.LEGACY_SUGGESTION,
+                        LegacySuggestionContextualCardRenderer.VIEW_TYPE,
+                        LegacySuggestionContextualCardController.class,
+                        LegacySuggestionContextualCardRenderer.class));
                 add(new ControllerRendererMapping(CardType.SLICE,
                         SliceContextualCardRenderer.VIEW_TYPE,
                         SliceContextualCardController.class,

src/com/android/settings/homepage/contextualcards/ContextualCardManager.java

@@ -16,7 +16,8 @@
 
 package com.android.settings.homepage.contextualcards;
 
-import static com.android.settings.homepage.contextualcards.ContextualCardLoader.CARD_CONTENT_LOADER_ID;
+import static com.android.settings.homepage.contextualcards.ContextualCardLoader
+        .CARD_CONTENT_LOADER_ID;
 
 import static java.util.stream.Collectors.groupingBy;
 
@@ -57,8 +58,8 @@ public class ContextualCardManager implements ContextualCardLoader.CardContentLo
 
     private static final String TAG = "ContextualCardManager";
     //The list for Settings Custom Card
-    @ContextualCard.CardType
+    private static final int[] SETTINGS_CARDS =
-    private static final int[] SETTINGS_CARDS = {ContextualCard.CardType.CONDITIONAL};
+            {ContextualCard.CardType.CONDITIONAL, ContextualCard.CardType.LEGACY_SUGGESTION};
 
     private final Context mContext;
     private final ControllerRendererPool mControllerRendererPool;
@@ -68,14 +69,14 @@ public class ContextualCardManager implements ContextualCardLoader.CardContentLo
 
     private ContextualCardUpdateListener mListener;
 
-    public ContextualCardManager(Context context, @NonNull Lifecycle lifecycle) {
+    public ContextualCardManager(Context context, Lifecycle lifecycle) {
         mContext = context;
         mLifecycle = lifecycle;
         mContextualCards = new ArrayList<>();
         mLifecycleObservers = new ArrayList<>();
         mControllerRendererPool = new ControllerRendererPool();
         //for data provided by Settings
-        for (int cardType : SETTINGS_CARDS) {
+        for (@ContextualCard.CardType int cardType : SETTINGS_CARDS) {
             setupController(cardType);
         }
     }
@@ -94,7 +95,7 @@ public class ContextualCardManager implements ContextualCardLoader.CardContentLo
         }
     }
 
-    private void setupController(int cardType) {
+    private void setupController(@ContextualCard.CardType int cardType) {
         final ContextualCardController controller = mControllerRendererPool.getController(mContext,
                 cardType);
         if (controller == null) {

src/com/android/settings/homepage/contextualcards/ContextualCardRenderer.java

@@ -18,6 +18,7 @@ package com.android.settings.homepage.contextualcards;
 
 import android.view.View;
 
+import androidx.annotation.LayoutRes;
 import androidx.recyclerview.widget.RecyclerView;
 
 /**
@@ -28,6 +29,7 @@ public interface ContextualCardRenderer {
     /**
      * The layout type of the renderer.
      */
+    @LayoutRes
     int getViewType(boolean isHalfWidth);
 
     /**

src/com/android/settings/homepage/contextualcards/ContextualCardUpdateListener.java

@@ -16,6 +16,8 @@
 
 package com.android.settings.homepage.contextualcards;
 
+import androidx.annotation.MainThread;
+
 import java.util.List;
 import java.util.Map;
 
@@ -31,5 +33,6 @@ public interface ContextualCardUpdateListener {
      *              null, which means all cards from corresponding {@link
      *              ContextualCard.CardType} are removed.
      */
+    @MainThread
     void onContextualCardUpdated(Map<Integer, List<ContextualCard>> cards);
 }

src/com/android/settings/homepage/contextualcards/ControllerRendererPool.java

@@ -26,6 +26,10 @@ import androidx.lifecycle.LifecycleOwner;
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.settings.homepage.contextualcards.conditional.ConditionContextualCardController;
 import com.android.settings.homepage.contextualcards.conditional.ConditionContextualCardRenderer;
+import com.android.settings.homepage.contextualcards.legacysuggestion
+        .LegacySuggestionContextualCardController;
+import com.android.settings.homepage.contextualcards.legacysuggestion
+        .LegacySuggestionContextualCardRenderer;
 import com.android.settings.homepage.contextualcards.slices.SliceContextualCardController;
 import com.android.settings.homepage.contextualcards.slices.SliceContextualCardRenderer;
 
@@ -111,6 +115,8 @@ public class ControllerRendererPool {
             return new ConditionContextualCardController(context);
         } else if (SliceContextualCardController.class == clz) {
             return new SliceContextualCardController();
+        } else if (LegacySuggestionContextualCardController.class == clz) {
+            return new LegacySuggestionContextualCardController(context);
         }
         return null;
     }
@@ -118,9 +124,12 @@ public class ControllerRendererPool {
     private ContextualCardRenderer createCardRenderer(Context context,
             LifecycleOwner lifecycleOwner, Class<?> clz) {
         if (ConditionContextualCardRenderer.class == clz) {
-            return new ConditionContextualCardRenderer(context, this /*controllerRendererPool*/);
+            return new ConditionContextualCardRenderer(context, this /* controllerRendererPool */);
         } else if (SliceContextualCardRenderer.class == clz) {
             return new SliceContextualCardRenderer(context, lifecycleOwner);
+        } else if (LegacySuggestionContextualCardRenderer.class == clz) {
+            return new LegacySuggestionContextualCardRenderer(context,
+                    this /* controllerRendererPool */);
         }
         return null;
     }

src/com/android/settings/homepage/contextualcards/conditional/ConditionContextualCardRenderer.java

@@ -23,6 +23,7 @@ import android.widget.Button;
 import android.widget.ImageView;
 import android.widget.TextView;
 
+import androidx.annotation.LayoutRes;
 import androidx.recyclerview.widget.RecyclerView;
 
 import com.android.internal.logging.nano.MetricsProto;
@@ -37,7 +38,9 @@ import com.android.settingslib.core.instrumentation.MetricsFeatureProvider;
  * Card renderer for {@link ConditionalContextualCard}.
  */
 public class ConditionContextualCardRenderer implements ContextualCardRenderer {
+    @LayoutRes
     public static final int HALF_WIDTH_VIEW_TYPE = R.layout.homepage_condition_half_tile;
+    @LayoutRes
     public static final int FULL_WIDTH_VIEW_TYPE = R.layout.homepage_condition_full_tile;
 
     private final Context mContext;

src/com/android/settings/homepage/contextualcards/legacysuggestion/LegacySuggestionContextualCard.java

@@ -0,0 +1,61 @@
+/*
+ * 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.homepage.contextualcards.legacysuggestion;
+
+import android.app.PendingIntent;
+
+import com.android.settings.homepage.contextualcards.ContextualCard;
+
+public class LegacySuggestionContextualCard extends ContextualCard {
+
+    private final PendingIntent mPendingIntent;
+
+    public LegacySuggestionContextualCard(Builder builder) {
+        super(builder);
+        mPendingIntent = builder.mPendingIntent;
+    }
+
+    @Override
+    public int getCardType() {
+        return CardType.LEGACY_SUGGESTION;
+    }
+
+    public PendingIntent getPendingIntent() {
+        return mPendingIntent;
+    }
+
+    public static class Builder extends ContextualCard.Builder {
+
+        private PendingIntent mPendingIntent;
+
+        public Builder setPendingIntent(PendingIntent pendingIntent) {
+            mPendingIntent = pendingIntent;
+            return this;
+        }
+
+        @Override
+        public Builder setCardType(int cardType) {
+            throw new IllegalArgumentException(
+                    "Cannot change card type for " + getClass().getName());
+        }
+
+        public LegacySuggestionContextualCard build() {
+            return new LegacySuggestionContextualCard(this);
+        }
+    }
+
+}

src/com/android/settings/homepage/contextualcards/legacysuggestion/LegacySuggestionContextualCardController.java

@@ -0,0 +1,156 @@
+/*
+ * 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.homepage.contextualcards.legacysuggestion;
+
+import android.app.PendingIntent;
+import android.content.ComponentName;
+import android.content.Context;
+import android.service.settings.suggestions.Suggestion;
+import android.util.ArrayMap;
+import android.util.Log;
+
+import androidx.annotation.VisibleForTesting;
+
+import com.android.settings.R;
+import com.android.settings.homepage.contextualcards.ContextualCard;
+import com.android.settings.homepage.contextualcards.ContextualCardController;
+import com.android.settings.homepage.contextualcards.ContextualCardUpdateListener;
+import com.android.settings.overlay.FeatureFactory;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnStart;
+import com.android.settingslib.core.lifecycle.events.OnStop;
+import com.android.settingslib.suggestions.SuggestionController;
+import com.android.settingslib.suggestions.SuggestionController.ServiceConnectionListener;
+import com.android.settingslib.utils.ThreadUtils;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+
+public class LegacySuggestionContextualCardController implements ContextualCardController,
+        LifecycleObserver, OnStart, OnStop, ServiceConnectionListener {
+
+    private static final String TAG = "LegacySuggestCardCtrl";
+
+    @VisibleForTesting
+    SuggestionController mSuggestionController;
+
+    private ContextualCardUpdateListener mCardUpdateListener;
+    private final Context mContext;
+
+
+    public LegacySuggestionContextualCardController(Context context) {
+        mContext = context;
+        if (!mContext.getResources().getBoolean(R.bool.config_use_legacy_suggestion)) {
+            Log.w(TAG, "Legacy suggestion contextual card disabled, skipping.");
+            return;
+        }
+        final ComponentName suggestionServiceComponent =
+                FeatureFactory.getFactory(mContext).getSuggestionFeatureProvider(mContext)
+                        .getSuggestionServiceComponent();
+        mSuggestionController = new SuggestionController(
+                mContext, suggestionServiceComponent, this /* listener */);
+
+    }
+
+    @Override
+    public int getCardType() {
+        return ContextualCard.CardType.LEGACY_SUGGESTION;
+    }
+
+    @Override
+    public void onPrimaryClick(ContextualCard card) {
+        try {
+            ((LegacySuggestionContextualCard) card).getPendingIntent().send();
+        } catch (PendingIntent.CanceledException e) {
+            Log.w(TAG, "Failed to start suggestion " + card.getTitleText());
+        }
+    }
+
+    @Override
+    public void onActionClick(ContextualCard card) {
+
+    }
+
+    @Override
+    public void setCardUpdateListener(ContextualCardUpdateListener listener) {
+        mCardUpdateListener = listener;
+    }
+
+    @Override
+    public void onStart() {
+        if (mSuggestionController == null) {
+            return;
+        }
+        mSuggestionController.start();
+    }
+
+    @Override
+    public void onStop() {
+        if (mSuggestionController == null) {
+            return;
+        }
+        mSuggestionController.stop();
+    }
+
+    @Override
+    public void onServiceConnected() {
+        loadSuggestions();
+    }
+
+    @Override
+    public void onServiceDisconnected() {
+
+    }
+
+    private void loadSuggestions() {
+        ThreadUtils.postOnBackgroundThread(() -> {
+            if (mSuggestionController == null || mCardUpdateListener == null) {
+                return;
+            }
+            final List<Suggestion> suggestions = mSuggestionController.getSuggestions();
+            Log.d(TAG, "Loaded suggests: "
+                    + suggestions == null ? "null" : String.valueOf(suggestions.size()));
+
+            final List<ContextualCard> cards = new ArrayList<>();
+            if (suggestions != null) {
+                // Convert suggestion to ContextualCard
+                for (Suggestion suggestion : suggestions) {
+                    final LegacySuggestionContextualCard.Builder cardBuilder =
+                            new LegacySuggestionContextualCard.Builder();
+                    if (suggestion.getIcon() != null) {
+                        cardBuilder.setIconDrawable(suggestion.getIcon().loadDrawable(mContext));
+                    }
+                    cardBuilder
+                            .setPendingIntent(suggestion.getPendingIntent())
+                            .setName(suggestion.getId())
+                            .setTitleText(suggestion.getTitle().toString())
+                            .setSummaryText(suggestion.getSummary().toString());
+
+                    cards.add(cardBuilder.build());
+                }
+            }
+
+            // Update adapter
+            final Map<Integer, List<ContextualCard>> suggestionCards = new ArrayMap<>();
+            suggestionCards.put(ContextualCard.CardType.LEGACY_SUGGESTION, cards);
+            ThreadUtils.postOnMainThread(
+                    () -> mCardUpdateListener.onContextualCardUpdated(suggestionCards));
+
+        });
+    }
+}

src/com/android/settings/homepage/contextualcards/legacysuggestion/LegacySuggestionContextualCardRenderer.java

@@ -0,0 +1,81 @@
+/*
+ * 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.homepage.contextualcards.legacysuggestion;
+
+import android.content.Context;
+import android.view.View;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import androidx.annotation.LayoutRes;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.android.settings.R;
+import com.android.settings.homepage.contextualcards.ContextualCard;
+import com.android.settings.homepage.contextualcards.ContextualCardRenderer;
+import com.android.settings.homepage.contextualcards.ControllerRendererPool;
+
+public class LegacySuggestionContextualCardRenderer implements ContextualCardRenderer {
+
+    @LayoutRes
+    public static final int VIEW_TYPE = R.layout.homepage_suggestion_tile;
+
+    private final Context mContext;
+    private final ControllerRendererPool mControllerRendererPool;
+
+    public LegacySuggestionContextualCardRenderer(Context context,
+            ControllerRendererPool controllerRendererPool) {
+        mContext = context;
+        mControllerRendererPool = controllerRendererPool;
+    }
+
+    @Override
+    public int getViewType(boolean isHalfWidth) {
+        return VIEW_TYPE;
+    }
+
+    @Override
+    public RecyclerView.ViewHolder createViewHolder(View view) {
+        return new LegacySuggestionViewHolder(view);
+    }
+
+    @Override
+    public void bindView(RecyclerView.ViewHolder holder, ContextualCard card) {
+        final LegacySuggestionViewHolder vh = (LegacySuggestionViewHolder) holder;
+        vh.icon.setImageDrawable(card.getIconDrawable());
+        vh.title.setText(card.getTitleText());
+        vh.summary.setText(card.getSummaryText());
+        vh.itemView.setOnClickListener(v ->
+                mControllerRendererPool.getController(mContext,
+                        card.getCardType()).onPrimaryClick(card));
+    }
+
+    private static class LegacySuggestionViewHolder extends RecyclerView.ViewHolder {
+
+        public final ImageView icon;
+        public final TextView title;
+        public final TextView summary;
+
+        public LegacySuggestionViewHolder(View itemView) {
+            super(itemView);
+            icon = itemView.findViewById(android.R.id.icon);
+            title = itemView.findViewById(android.R.id.title);
+            summary = itemView.findViewById(android.R.id.summary);
+        }
+    }
+}
+

tests/robotests/res/values-mcc999/config.xml

@@ -62,6 +62,7 @@
     <bool name="config_show_wifi_mac_address">false</bool>
     <bool name="config_disable_uninstall_update">true</bool>
     <bool name="config_show_device_name">false</bool>
+    <bool name="config_use_legacy_suggestion">false</bool>
 
     <!-- Whether or not extra preview panels should be used for screen zoom setting. -->
     <bool name="config_enable_extra_screen_zoom_preview">false</bool>

tests/robotests/src/com/android/settings/homepage/contextualcards/ConditionalContextualCardTest.java

@@ -30,7 +30,7 @@ public class ConditionalContextualCardTest {
     @Test(expected = IllegalArgumentException.class)
     public void newInstance_changeCardType_shouldCrash() {
         new ConditionalContextualCard.Builder()
-                .setCardType(ContextualCard.CardType.SUGGESTION)
+                .setCardType(ContextualCard.CardType.LEGACY_SUGGESTION)
                 .build();
     }
 

tests/robotests/src/com/android/settings/homepage/contextualcards/legacysuggestion/LegacySuggestionContextualCardControllerTest.java

@@ -0,0 +1,94 @@
+/*
+ * 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.homepage.contextualcards.legacysuggestion;
+
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.verify;
+
+import android.content.Context;
+
+import com.android.settings.homepage.contextualcards.ContextualCardUpdateListener;
+import com.android.settings.testutils.FakeFeatureFactory;
+import com.android.settings.testutils.SettingsRobolectricTestRunner;
+import com.android.settings.testutils.shadow.ShadowThreadUtils;
+import com.android.settingslib.suggestions.SuggestionController;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.annotation.Config;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+@Config(shadows = ShadowThreadUtils.class)
+public class LegacySuggestionContextualCardControllerTest {
+
+    @Mock
+    private SuggestionController mSuggestionController;
+    @Mock
+    private ContextualCardUpdateListener mCardUpdateListener;
+
+    private Context mContext;
+    private LegacySuggestionContextualCardController mController;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        FakeFeatureFactory.setupForTest();
+        mContext = RuntimeEnvironment.application;
+        mController = new LegacySuggestionContextualCardController(mContext);
+    }
+
+    @Test
+    public void init_configOn_shouldCreateSuggestionController() {
+        final LegacySuggestionContextualCardController controller =
+                new LegacySuggestionContextualCardController(mContext);
+        assertThat(controller.mSuggestionController).isNotNull();
+    }
+
+    @Test
+    @Config(qualifiers = "mcc999")
+    public void init_configOff_shouldNotCreateSuggestionController() {
+        final LegacySuggestionContextualCardController controller =
+                new LegacySuggestionContextualCardController(mContext);
+
+        assertThat(controller.mSuggestionController).isNull();
+    }
+
+    @Test
+    public void goThroughLifecycle_hasSuggestionController_shouldStartStopController() {
+        mController.mSuggestionController = mSuggestionController;
+        mController.onStart();
+        verify(mSuggestionController).start();
+
+        mController.onStop();
+        verify(mSuggestionController).stop();
+    }
+
+    @Test
+    public void onServiceConnected_shouldLoadSuggestion() {
+        mController.mSuggestionController = mSuggestionController;
+        mController.setCardUpdateListener(mCardUpdateListener);
+        mController.onServiceConnected();
+
+        verify(mSuggestionController).getSuggestions();
+    }
+}

tests/robotests/src/com/android/settings/homepage/contextualcards/legacysuggestion/LegacySuggestionContextualCardRendererTest.java

@@ -0,0 +1,105 @@
+/*
+ * 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.homepage.contextualcards.legacysuggestion;
+
+
+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.content.Context;
+import android.view.LayoutInflater;
+import android.view.View;
+
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.android.settings.R;
+import com.android.settings.homepage.contextualcards.ContextualCard;
+import com.android.settings.homepage.contextualcards.ControllerRendererPool;
+import com.android.settings.testutils.SettingsRobolectricTestRunner;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RuntimeEnvironment;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+public class LegacySuggestionContextualCardRendererTest {
+    @Mock
+    private ControllerRendererPool mControllerRendererPool;
+    @Mock
+    private LegacySuggestionContextualCardController mController;
+    private Context mContext;
+    private LegacySuggestionContextualCardRenderer mRenderer;
+
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mContext = RuntimeEnvironment.application;
+        mRenderer = new LegacySuggestionContextualCardRenderer(mContext, mControllerRendererPool);
+    }
+
+    @Test
+    public void bindView_shouldSetListener() {
+        final int viewType = mRenderer.getViewType(true /* isHalfWidth */);
+        final RecyclerView recyclerView = new RecyclerView(mContext);
+        recyclerView.setLayoutManager(new LinearLayoutManager(mContext));
+        final View card = LayoutInflater.from(mContext).inflate(viewType, recyclerView, false);
+        final RecyclerView.ViewHolder viewHolder = mRenderer.createViewHolder(card);
+
+        when(mControllerRendererPool.getController(mContext,
+                ContextualCard.CardType.LEGACY_SUGGESTION)).thenReturn(mController);
+
+        mRenderer.bindView(viewHolder, buildContextualCard());
+
+        assertThat(card).isNotNull();
+        assertThat(card.hasOnClickListeners()).isTrue();
+    }
+
+    @Test
+    public void viewClick_shouldInvokeControllerPrimaryClick() {
+        final int viewType = mRenderer.getViewType(true /* isHalfWidth */);
+        final RecyclerView recyclerView = new RecyclerView(mContext);
+        recyclerView.setLayoutManager(new LinearLayoutManager(mContext));
+        final View card = LayoutInflater.from(mContext).inflate(viewType, recyclerView, false);
+        final RecyclerView.ViewHolder viewHolder = mRenderer.createViewHolder(card);
+        when(mControllerRendererPool.getController(mContext,
+                ContextualCard.CardType.LEGACY_SUGGESTION)).thenReturn(mController);
+
+        mRenderer.bindView(viewHolder, buildContextualCard());
+
+        assertThat(card).isNotNull();
+        card.performClick();
+
+        verify(mController).onPrimaryClick(any(ContextualCard.class));
+    }
+
+    private ContextualCard buildContextualCard() {
+        return new LegacySuggestionContextualCard.Builder()
+                .setName("test_name")
+                .setTitleText("test_title")
+                .setSummaryText("test_summary")
+                .setIconDrawable(mContext.getDrawable(R.drawable.ic_do_not_disturb_on_24dp))
+                .build();
+    }
+}

tests/robotests/src/com/android/settings/homepage/contextualcards/legacysuggestion/LegacySuggestionContextualCardTest.java

@@ -0,0 +1,55 @@
+/*
+ * 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.homepage.contextualcards.legacysuggestion;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.mock;
+
+import android.app.PendingIntent;
+
+import com.android.settings.homepage.contextualcards.ContextualCard;
+import com.android.settings.testutils.SettingsRobolectricTestRunner;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+public class LegacySuggestionContextualCardTest {
+
+    @Test(expected = IllegalArgumentException.class)
+    public void newInstance_changeCardType_shouldCrash() {
+        new LegacySuggestionContextualCard.Builder()
+                .setCardType(ContextualCard.CardType.CONDITIONAL)
+                .build();
+    }
+
+    @Test
+    public void getCardType_shouldAlwaysBeSuggestionType() {
+        assertThat(new LegacySuggestionContextualCard.Builder().build().getCardType())
+                .isEqualTo(ContextualCard.CardType.LEGACY_SUGGESTION);
+    }
+
+    @Test
+    public void build_shouldSetPendingIntent() {
+        assertThat(new LegacySuggestionContextualCard.Builder()
+                .setPendingIntent(mock(PendingIntent.class))
+                .build()
+                .getPendingIntent()).isNotNull();
+    }
+
+}