Chris Craik | 58d30ae | 2016-10-12 11:10:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2016 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package com.android.test.uibench; |
| 17 | |
| 18 | import android.content.Context; |
| 19 | import android.content.res.Resources; |
| 20 | import android.graphics.Color; |
| 21 | import android.graphics.drawable.GradientDrawable; |
| 22 | import android.graphics.drawable.InsetDrawable; |
Aurimas Liutikas | 1d6c6da | 2018-04-03 17:08:29 -0700 | [diff] [blame] | 23 | import androidx.recyclerview.widget.LinearLayoutManager; |
| 24 | import androidx.recyclerview.widget.RecyclerView; |
Chris Craik | 58d30ae | 2016-10-12 11:10:36 -0700 | [diff] [blame] | 25 | import android.view.View; |
| 26 | import android.view.ViewGroup; |
| 27 | |
| 28 | import com.android.test.uibench.recyclerview.RvCompatListActivity; |
| 29 | |
| 30 | import java.util.ArrayList; |
| 31 | import java.util.concurrent.TimeUnit; |
| 32 | |
| 33 | public class SlowNestedRecyclerViewActivity extends RvCompatListActivity { |
| 34 | private static final int OUTER_ITEM_COUNT = 100; |
| 35 | private static final int INNER_ITEM_COUNT = 20; |
| 36 | |
| 37 | private static final long INNER_ITEM_CREATE_NS = TimeUnit.MILLISECONDS.toNanos(6); |
| 38 | private static final long INNER_ITEM_BIND_NS = TimeUnit.MILLISECONDS.toNanos(1); |
| 39 | private static final long INNER_ITEM_ATTACH_NS = TimeUnit.MILLISECONDS.toNanos(1); |
| 40 | |
| 41 | private static final long OUTER_ITEM_CREATE_NS = TimeUnit.MILLISECONDS.toNanos(3); |
| 42 | private static final long OUTER_ITEM_BIND_NS = TimeUnit.MILLISECONDS.toNanos(1); |
| 43 | private static final long OUTER_ITEM_ATTACH_NS = TimeUnit.MILLISECONDS.toNanos(1); |
| 44 | |
| 45 | private SizeData mSizeData; |
| 46 | |
| 47 | private static class SizeData { |
| 48 | final int innerItemWidth; |
| 49 | final int innerItemHeight; |
| 50 | final int headerHeight; |
| 51 | |
| 52 | SizeData(Resources resources) { |
| 53 | innerItemWidth = (int) (resources.getDisplayMetrics().widthPixels / 3.3f); |
| 54 | innerItemHeight = (int) (innerItemWidth * 1.6f); |
| 55 | headerHeight = (int) (resources.getDisplayMetrics().heightPixels * 0.5f); |
| 56 | } |
| 57 | } |
| 58 | |
| 59 | private SizeData getSizeData(Resources resources) { |
| 60 | if (mSizeData == null) { |
| 61 | mSizeData = new SizeData(resources); |
| 62 | } |
| 63 | return mSizeData; |
| 64 | } |
| 65 | |
| 66 | @Override |
| 67 | protected RecyclerView.LayoutManager createLayoutManager(Context context) { |
| 68 | return new LinearLayoutManager(this, LinearLayoutManager.VERTICAL, false); |
| 69 | } |
| 70 | |
| 71 | @Override |
| 72 | protected RecyclerView.Adapter createAdapter() { |
| 73 | return new OuterAdapter(); |
| 74 | } |
| 75 | |
| 76 | private class InnerAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> { |
| 77 | @Override |
| 78 | public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) { |
| 79 | final long start = System.nanoTime(); |
| 80 | |
| 81 | final float density = parent.getResources().getDisplayMetrics().density; |
| 82 | View view = new View(parent.getContext()) { |
| 83 | @Override |
| 84 | protected void onAttachedToWindow() { |
| 85 | final long start = System.nanoTime(); |
| 86 | super.onAttachedToWindow(); |
| 87 | while (System.nanoTime() - start < INNER_ITEM_ATTACH_NS); |
| 88 | } |
| 89 | }; |
| 90 | |
| 91 | SizeData sizeData = getSizeData(parent.getResources()); |
| 92 | view.setMinimumWidth(sizeData.innerItemWidth); |
| 93 | view.setMinimumHeight(sizeData.innerItemHeight); |
| 94 | |
| 95 | GradientDrawable bg = new GradientDrawable(); |
| 96 | bg.setCornerRadius(10 * density); |
| 97 | bg.setColor(Color.BLACK); |
| 98 | final int pad = (int)(10 * density); |
| 99 | view.setPadding(pad, pad, pad, pad); |
| 100 | view.setBackgroundDrawable(new InsetDrawable(bg, pad)); |
| 101 | RecyclerView.ViewHolder holder = new RecyclerView.ViewHolder(view) {}; |
| 102 | |
| 103 | while (System.nanoTime() - start < INNER_ITEM_CREATE_NS); |
| 104 | return holder; |
| 105 | } |
| 106 | |
| 107 | @Override |
| 108 | public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) { |
| 109 | final long start = System.nanoTime(); |
| 110 | while (System.nanoTime() - start < INNER_ITEM_BIND_NS); |
| 111 | } |
| 112 | |
| 113 | @Override |
| 114 | public int getItemCount() { return INNER_ITEM_COUNT; } |
| 115 | } |
| 116 | |
| 117 | private class OuterAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> { |
| 118 | static final int TYPE_HEADER = 0; |
| 119 | static final int TYPE_RECYCLER = 1; |
| 120 | |
| 121 | ArrayList<InnerAdapter> mAdapters = new ArrayList<>(); |
| 122 | RecyclerView.RecycledViewPool mSharedPool = new RecyclerView.RecycledViewPool(); |
| 123 | |
| 124 | OuterAdapter() { |
| 125 | for (int i = 0; i < OUTER_ITEM_COUNT; i++) { |
| 126 | mAdapters.add(new InnerAdapter()); |
| 127 | } |
| 128 | } |
| 129 | |
| 130 | @Override |
| 131 | public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) { |
| 132 | SizeData sizeData = getSizeData(parent.getResources()); |
| 133 | if (viewType == TYPE_HEADER) { |
| 134 | View view = new View(parent.getContext()); |
| 135 | view.setMinimumHeight(sizeData.headerHeight); |
| 136 | return new RecyclerView.ViewHolder(view) {}; |
| 137 | } else { |
| 138 | final long start = System.nanoTime(); |
| 139 | |
| 140 | RecyclerView rv = new RecyclerView(parent.getContext()) { |
| 141 | @Override |
| 142 | protected void onAttachedToWindow() { |
| 143 | final long start = System.nanoTime(); |
| 144 | super.onAttachedToWindow(); |
| 145 | while (System.nanoTime() - start < OUTER_ITEM_ATTACH_NS); |
| 146 | |
| 147 | } |
| 148 | }; |
| 149 | |
| 150 | rv.setLayoutParams(new RecyclerView.LayoutParams( |
| 151 | ViewGroup.LayoutParams.MATCH_PARENT, sizeData.innerItemHeight)); |
| 152 | rv.setLayoutManager(new LinearLayoutManager(parent.getContext(), |
| 153 | LinearLayoutManager.HORIZONTAL, false)); |
| 154 | rv.setRecycledViewPool(mSharedPool); |
| 155 | RecyclerView.ViewHolder holder = new RecyclerView.ViewHolder(rv) {}; |
| 156 | |
| 157 | while (System.nanoTime() - start < OUTER_ITEM_CREATE_NS); |
| 158 | return holder; |
| 159 | } |
| 160 | } |
| 161 | |
| 162 | @Override |
| 163 | public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) { |
| 164 | if (getItemViewType(position) == TYPE_RECYCLER) { |
| 165 | final long start = System.nanoTime(); |
| 166 | ((RecyclerView)holder.itemView).setAdapter(mAdapters.get(position)); |
| 167 | while (System.nanoTime() - start < OUTER_ITEM_BIND_NS); |
| 168 | } |
| 169 | } |
| 170 | |
| 171 | @Override |
| 172 | public int getItemViewType(int position) { |
| 173 | return position == 0 ? TYPE_HEADER : TYPE_RECYCLER; |
| 174 | } |
| 175 | |
| 176 | @Override |
| 177 | public int getItemCount() { |
| 178 | return mAdapters.size(); |
| 179 | } |
| 180 | } |
| 181 | } |