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Slow RecyclerView item binding benchmark

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am: 58427a62ac

Change-Id: I55d2333c4630fd539d9fdc22a15023e5f4d8c25c
This commit is contained in:
Chris Craik
2016-09-16 22:15:31 +00:00
committed by android-build-merger
parent f4e9efe9d5 58427a62ac
commit 3346f28b28
4 changed files with 163 additions and 2 deletions
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10
tests/UiBench/AndroidManifest.xml
View File

@@ -85,12 +85,20 @@
</activity>
<activity
android:name=".TrivialRecyclerViewActivity"
android:label="General/Trivial Recycler ListView" >
android:label="General/Trivial RecyclerView" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="com.android.test.uibench.TEST" />
</intent-filter>
</activity>
<activity
android:name=".SlowBindRecyclerViewActivity"
android:label="General/Slow Bind RecyclerView" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="com.android.test.uibench.TEST" />
</intent-filter>
</activity>
<activity
android:name=".ActivityTransition"
android:label="Transitions/Activity Transition" >

55
tests/UiBench/src/com/android/test/uibench/SlowBindRecyclerViewActivity.java Normal file
View File

@@ -0,0 +1,55 @@
/*
* Copyright (C) 2016 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.test.uibench;
import android.content.Context;
import android.os.Trace;
import android.support.v7.widget.GridLayoutManager;
import android.support.v7.widget.RecyclerView;
import com.android.test.uibench.recyclerview.RvBoxAdapter;
import com.android.test.uibench.recyclerview.RvCompatListActivity;
import java.util.concurrent.TimeUnit;
public class SlowBindRecyclerViewActivity extends RvCompatListActivity {
/**
* Spin wait. Used instead of sleeping so a core is used up for the duration, and so
* traces/sampled profiling show the sections as expensive, and not just a scheduling mistake.
*/
private static void spinWaitMs(long ms) {
long start = System.nanoTime();
while (System.nanoTime() - start < TimeUnit.MILLISECONDS.toNanos(ms));
}
@Override
protected RecyclerView.LayoutManager createLayoutManager(Context context) {
return new GridLayoutManager(context, 3);
}
@Override
protected RecyclerView.Adapter createAdapter() {
return new RvBoxAdapter(this, TextUtils.buildSimpleStringList()) {
@Override
public void onBindViewHolder(ViewHolder holder, int position) {
Trace.beginSection("bind item " + position);
spinWaitMs(3);
super.onBindViewHolder(holder, position);
Trace.endSection();
}
};
}
}

99
tests/UiBench/src/com/android/test/uibench/recyclerview/RvBoxAdapter.java Normal file
View File

@@ -0,0 +1,99 @@
/*
* Copyright (C) 2016 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.test.uibench.recyclerview;
import android.content.Context;
import android.graphics.Color;
import android.support.v7.widget.RecyclerView;
import android.util.TypedValue;
import android.view.ViewGroup;
import android.widget.TextView;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
public class RvBoxAdapter extends RecyclerView.Adapter<RvBoxAdapter.ViewHolder> {
private int mBackground;
private List<String> mValues;
public static class ViewHolder extends RecyclerView.ViewHolder {
public TextView mTextView;
public ViewHolder(TextView v) {
super(v);
mTextView = v;
}
@Override
public String toString() {
return super.toString() + " '" + mTextView.getText();
}
}
public RvBoxAdapter(Context context, String[] strings) {
TypedValue val = new TypedValue();
if (context.getTheme() != null) {
context.getTheme().resolveAttribute(
android.R.attr.selectableItemBackground, val, true);
}
mBackground = val.resourceId;
mValues = new ArrayList<>();
Collections.addAll(mValues, strings);
}
@Override
public RvBoxAdapter.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
final ViewHolder h = new ViewHolder(new TextView(parent.getContext()));
h.mTextView.setMinimumHeight(128);
h.mTextView.setPadding(20, 0, 20, 0);
h.mTextView.setFocusable(true);
h.mTextView.setBackgroundResource(mBackground);
RecyclerView.LayoutParams lp = new RecyclerView.LayoutParams(
ViewGroup.LayoutParams.WRAP_CONTENT,
ViewGroup.LayoutParams.WRAP_CONTENT);
lp.leftMargin = 10;
lp.rightMargin = 5;
lp.topMargin = 20;
lp.bottomMargin = 15;
h.mTextView.setLayoutParams(lp);
return h;
}
@Override
public void onBindViewHolder(ViewHolder holder, int position) {
holder.mTextView.setText(position + ":" + mValues.get(position));
holder.mTextView.setMinHeight((200 + mValues.get(position).length() * 10));
holder.mTextView.setBackgroundColor(getBackgroundColor(position));
}
private int getBackgroundColor(int position) {
switch (position % 4) {
case 0: return Color.LTGRAY;
case 1: return Color.RED;
case 2: return Color.DKGRAY;
case 3: return Color.BLUE;
}
return Color.TRANSPARENT;
}
@Override
public int getItemCount() {
return mValues.size();
}
}

1
tests/UiBench/src/com/android/test/uibench/recyclerview/RvCompatListActivity.java
View File

@@ -26,7 +26,6 @@ import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import com.android.test.uibench.R;