Remove some dead code

DashboardCategory is no longer rendered in the dashboard ui

Bug: 33861822
Test: make RunSettingsRoboTests existing tests still pass
Change-Id: I0479967b0099f76f8c0c7894643d50b655de2892

res/layout/dashboard_category.xml

@@ -1,35 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2014 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.
--->
-
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:id="@+id/category"
-    android:layout_width="match_parent"
-    android:layout_height="@dimen/dashboard_category_height"
-    android:orientation="vertical"
-    android:paddingBottom="8dip">
-
-    <TextView android:id="@android:id/title"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:paddingStart="@dimen/dashboard_category_title_margin_start"
-        android:singleLine="true"
-        android:ellipsize="marquee"
-        android:gravity="center_vertical"
-        android:textAppearance="@style/TextAppearance.CategoryTitle"
-        android:textAlignment="viewStart"
-        />
-
-</LinearLayout>

res/values/dimens.xml

@@ -99,9 +99,6 @@
     <!-- Dashboard category layout height -->
     <dimen name="dashboard_category_height">48dp</dimen>
 
-    <!-- Dashboard category title margin start -->
-    <dimen name="dashboard_category_title_margin_start">16dp</dimen>
-
     <!-- Dashboard tile minimum height -->
     <dimen name="dashboard_tile_minimum_height">72dp</dimen>
 

src/com/android/settings/dashboard/DashboardAdapter.java

@@ -293,10 +293,6 @@ public class DashboardAdapter extends RecyclerView.Adapter<DashboardAdapter.Dash
             case R.layout.dashboard_header_spacer:
                 onBindHeaderSpacer(holder, position);
                 break;
-            case R.layout.dashboard_category:
-                onBindCategory(holder,
-                        (DashboardCategory) mDashboardData.getItemEntityByPosition(position));
-                break;
             case R.layout.dashboard_tile:
                 final Tile tile = (Tile) mDashboardData.getItemEntityByPosition(position);
                 onBindTile(holder, tile);

src/com/android/settings/dashboard/DashboardData.java

@@ -18,7 +18,6 @@ package com.android.settings.dashboard;
 import android.annotation.IntDef;
 import android.graphics.drawable.Icon;
 import android.support.annotation.Nullable;
-import android.support.annotation.VisibleForTesting;
 import android.support.v7.util.DiffUtil;
 import android.text.TextUtils;
 
@@ -272,8 +271,7 @@ public class DashboardData {
                     tile.remoteViews != null
                             ? R.layout.suggestion_tile_card
                             : R.layout.suggestion_tile,
-                    Objects.hash(tile.title),
+                    Objects.hash(tile.title)));
-                    false));
         }
         mId++;
     }
@@ -358,8 +356,6 @@ public class DashboardData {
         resetCount();
         for (int i = 0; mCategories != null && i < mCategories.size(); i++) {
             DashboardCategory category = mCategories.get(i);
-            countItem(category, R.layout.dashboard_category,
-                    !TextUtils.isEmpty(category.title), NS_ITEMS);
             for (int j = 0; j < category.tiles.size(); j++) {
                 Tile tile = category.tiles.get(j);
                 countItem(tile, R.layout.dashboard_tile, true, NS_ITEMS);
@@ -534,7 +530,6 @@ public class DashboardData {
      */
     private static class Item {
         // valid types in field type
-        private static final int TYPE_DASHBOARD_CATEGORY = R.layout.dashboard_category;
         private static final int TYPE_DASHBOARD_TILE = R.layout.dashboard_tile;
         @Deprecated
         private static final int TYPE_SUGGESTION_HEADER = R.layout.suggestion_header;
@@ -550,7 +545,7 @@ public class DashboardData {
                 R.layout.suggestion_condition_footer;
         private static final int TYPE_DASHBOARD_SPACER = R.layout.dashboard_spacer;
 
-        @IntDef({TYPE_DASHBOARD_CATEGORY, TYPE_DASHBOARD_TILE, TYPE_SUGGESTION_HEADER,
+        @IntDef({TYPE_DASHBOARD_TILE, TYPE_SUGGESTION_HEADER,
                 TYPE_SUGGESTION_TILE, TYPE_SUGGESTION_CONDITION_CONTAINER,
                 TYPE_SUGGESTION_CONDITION_HEADER, TYPE_CONDITION_CARD,
                 TYPE_SUGGESTION_CONDITION_FOOTER, TYPE_DASHBOARD_SPACER})
@@ -558,8 +553,8 @@ public class DashboardData {
         public @interface ItemTypes{}
 
         /**
-         * The main data object in item, usually is a {@link Tile}, {@link Condition} or
+         * The main data object in item, usually is a {@link Tile}, {@link Condition}
-         * {@link DashboardCategory} object. This object can also be null when the
+         * object. This object can also be null when the
          * item is an divider line. Please refer to {@link #buildItemsData()} for
          * detail usage of the Item.
          */
@@ -615,10 +610,6 @@ public class DashboardData {
             }
 
             switch (type) {
-                case TYPE_DASHBOARD_CATEGORY:
-                    // Only check title for dashboard category
-                    return TextUtils.equals(((DashboardCategory) entity).title,
-                            ((DashboardCategory) targetItem.entity).title);
                 case TYPE_DASHBOARD_TILE:
                     final Tile localTile = (Tile) entity;
                     final Tile targetTile = (Tile) targetItem.entity;

src/com/android/settings/dashboard/DashboardDecorator.java

@@ -23,6 +23,7 @@ import android.support.v7.widget.RecyclerView.State;
 import android.support.v7.widget.RecyclerView.ViewHolder;
 import android.util.TypedValue;
 import android.view.View;
+
 import com.android.settings.R;
 
 public class DashboardDecorator extends RecyclerView.ItemDecoration {
@@ -43,12 +44,7 @@ public class DashboardDecorator extends RecyclerView.ItemDecoration {
         for (int i = 1; i < childCount; i++) {
             final View child = parent.getChildAt(i);
             final ViewHolder holder = parent.getChildViewHolder(child);
-            if (holder.getItemViewType() == R.layout.dashboard_category) {
+            if (holder.getItemViewType() != R.layout.condition_card) {
-                if (parent.getChildViewHolder(parent.getChildAt(i - 1)).getItemViewType()
-                        != R.layout.dashboard_tile) {
-                    continue;
-                }
-            } else if (holder.getItemViewType() != R.layout.condition_card) {
                 continue;
             }
 

tests/robotests/src/com/android/settings/dashboard/DashboardDataTest.java

@@ -19,11 +19,13 @@ package com.android.settings.dashboard;
 import android.support.annotation.NonNull;
 import android.support.v7.util.DiffUtil;
 import android.support.v7.util.ListUpdateCallback;
+
 import com.android.settings.TestConfig;
 import com.android.settings.dashboard.conditional.AirplaneModeCondition;
 import com.android.settings.dashboard.conditional.Condition;
 import com.android.settingslib.drawer.DashboardCategory;
 import com.android.settingslib.drawer.Tile;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -120,11 +122,11 @@ public class DashboardDataTest {
         final Object[] expectedObjects = {null, data,
                 mDashboardDataWithOneConditions.getSuggestions(),
                 mDashboardDataWithOneConditions.getConditions(),
-            null, mDashboardCategory, mTestCategoryTile};
+                null, mTestCategoryTile};
         final int expectedSize = expectedObjects.length;
 
-        assertThat(mDashboardDataWithOneConditions.getItemList().size())
+        assertThat(mDashboardDataWithOneConditions.getItemList()).hasSize(expectedSize);
-                .isEqualTo(expectedSize);
+
         for (int i = 0; i < expectedSize; i++) {
             final Object item = mDashboardDataWithOneConditions.getItemEntityByPosition(i);
             if (item instanceof DashboardData.SuggestionHeaderData
@@ -211,7 +213,7 @@ public class DashboardDataTest {
         //Build testResultData
         final List<ListUpdateResult.ResultData> testResultData = new ArrayList<>();
         testResultData.add(new ListUpdateResult.ResultData(
-                ListUpdateResult.ResultData.TYPE_OPERATION_REMOVE, 1, 6));
+                ListUpdateResult.ResultData.TYPE_OPERATION_REMOVE, 1, 5));
 
         testDiffUtil(mDashboardDataWithOneConditions, mDashboardDataWithNoItems, testResultData);
     }