Slow RecyclerView item binding benchmark am: 58427a62ac (bb649175) · Commits · e / os / android_frameworks_base

tests/UiBench/AndroidManifest.xml

+9 −1

Original line number	Diff line number	Diff line
		@@ -85,7 +85,15 @@
		</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" />

tests/UiBench/src/com/android/test/uibench/SlowBindRecyclerViewActivity.java

0 → 100644

+55 −0

Original line number	Diff line number	Diff line
		/*
		* 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();
		}
		};
		}
		}

tests/UiBench/src/com/android/test/uibench/recyclerview/RvBoxAdapter.java

0 → 100644

+99 −0

Original line number	Diff line number	Diff line
		/*
		* 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();
		}
		}

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

+0 −1

Original line number	Diff line number	Diff line
		@@ -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;