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A library jar that provides APIs for Applications written for the Google Android Platform.
/*
* 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 android.widget;
import static android.widget.TextView.UNKNOWN_BORING;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.RecordingCanvas;
import android.graphics.RenderNode;
import android.perftests.utils.BenchmarkState;
import android.perftests.utils.PerfStatusReporter;
import android.text.BoringLayout;
import android.text.Layout;
import android.text.PrecomputedText;
import android.text.TextPaint;
import android.text.TextPerfUtils;
import android.view.View.MeasureSpec;
import androidx.test.InstrumentationRegistry;
import androidx.test.filters.LargeTest;
import androidx.test.runner.AndroidJUnit4;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;
@LargeTest
@RunWith(AndroidJUnit4.class)
public class TextViewPrecomputedTextPerfTest {
private static final int WORD_LENGTH = 9; // Random word has 9 characters.
private static final int WORDS_IN_LINE = 8; // Roughly, 8 words in a line.
private static final boolean NO_STYLE_TEXT = false;
private static final boolean STYLE_TEXT = true;
private static TextPaint PAINT = new TextPaint();
private static final int TEXT_WIDTH = WORDS_IN_LINE * WORD_LENGTH * (int) PAINT.getTextSize();
public TextViewPrecomputedTextPerfTest() {}
private static class TestableTextView extends TextView {
public TestableTextView(Context ctx) {
super(ctx);
}
public void onMeasure(int w, int h) {
super.onMeasure(w, h);
}
public void onDraw(Canvas canvas) {
super.onDraw(canvas);
}
}
@Rule
public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();
private TextPerfUtils mTextUtil = new TextPerfUtils();
@Before
public void setUp() {
mTextUtil.resetRandom(0 /* seed */);
}
private static Context getContext() {
return InstrumentationRegistry.getTargetContext();
}
@Test
public void testNewLayout_RandomText() {
final BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
BoringLayout.Metrics metrics = new BoringLayout.Metrics();
while (state.keepRunning()) {
state.pauseTiming();
final CharSequence text = mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT);
final TextView textView = new TextView(getContext());
textView.setBreakStrategy(Layout.BREAK_STRATEGY_BALANCED);
textView.setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NORMAL);
textView.setText(text);
Canvas.freeTextLayoutCaches();
state.resumeTiming();
textView.makeNewLayout(TEXT_WIDTH, TEXT_WIDTH, UNKNOWN_BORING, UNKNOWN_BORING,
TEXT_WIDTH, false);
}
}
@Test
public void testNewLayout_RandomText_Selectable() {
final BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
BoringLayout.Metrics metrics = new BoringLayout.Metrics();
while (state.keepRunning()) {
state.pauseTiming();
final CharSequence text = mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT);
final TextView textView = new TextView(getContext());
textView.setTextIsSelectable(true);
textView.setBreakStrategy(Layout.BREAK_STRATEGY_BALANCED);
textView.setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NORMAL);
textView.setText(text);
Canvas.freeTextLayoutCaches();
state.resumeTiming();
textView.makeNewLayout(TEXT_WIDTH, TEXT_WIDTH, UNKNOWN_BORING, UNKNOWN_BORING,
TEXT_WIDTH, false);
}
}
@Test
public void testNewLayout_PrecomputedText() {
final BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
BoringLayout.Metrics metrics = new BoringLayout.Metrics();
while (state.keepRunning()) {
state.pauseTiming();
final PrecomputedText.Params params = new PrecomputedText.Params.Builder(PAINT)
.setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NORMAL)
.setBreakStrategy(Layout.BREAK_STRATEGY_BALANCED).build();
final CharSequence text = PrecomputedText.create(
mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT), params);
final TextView textView = new TextView(getContext());
textView.setTextMetricsParams(params);
textView.setText(text);
Canvas.freeTextLayoutCaches();
state.resumeTiming();
textView.makeNewLayout(TEXT_WIDTH, TEXT_WIDTH, UNKNOWN_BORING, UNKNOWN_BORING,
TEXT_WIDTH, false);
}
}
@Test
public void testNewLayout_PrecomputedText_Selectable() {
final BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
BoringLayout.Metrics metrics = new BoringLayout.Metrics();
while (state.keepRunning()) {
state.pauseTiming();
final PrecomputedText.Params params = new PrecomputedText.Params.Builder(PAINT)
.setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NORMAL)
.setBreakStrategy(Layout.BREAK_STRATEGY_BALANCED).build();
final CharSequence text = PrecomputedText.create(
mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT), params);
final TextView textView = new TextView(getContext());
textView.setTextIsSelectable(true);
textView.setTextMetricsParams(params);
textView.setText(text);
Canvas.freeTextLayoutCaches();
state.resumeTiming();
textView.makeNewLayout(TEXT_WIDTH, TEXT_WIDTH, UNKNOWN_BORING, UNKNOWN_BORING,
TEXT_WIDTH, false);
}
}
@Test
public void testSetText_RandomText() {
final BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
BoringLayout.Metrics metrics = new BoringLayout.Metrics();
while (state.keepRunning()) {
state.pauseTiming();
final CharSequence text = mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT);
final TextView textView = new TextView(getContext());
textView.setBreakStrategy(Layout.BREAK_STRATEGY_BALANCED);
textView.setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NORMAL);
Canvas.freeTextLayoutCaches();
state.resumeTiming();
textView.setText(text);
}
}
@Test
public void testSetText_RandomText_Selectable() {
final BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
BoringLayout.Metrics metrics = new BoringLayout.Metrics();
while (state.keepRunning()) {
state.pauseTiming();
final CharSequence text = mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT);
final TextView textView = new TextView(getContext());
textView.setTextIsSelectable(true);
textView.setBreakStrategy(Layout.BREAK_STRATEGY_BALANCED);
textView.setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NORMAL);
Canvas.freeTextLayoutCaches();
state.resumeTiming();
textView.setText(text);
}
}
@Test
public void testSetText_PrecomputedText() {
final BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
BoringLayout.Metrics metrics = new BoringLayout.Metrics();
while (state.keepRunning()) {
state.pauseTiming();
final PrecomputedText.Params params = new PrecomputedText.Params.Builder(PAINT)
.setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NORMAL)
.setBreakStrategy(Layout.BREAK_STRATEGY_BALANCED).build();
final CharSequence text = PrecomputedText.create(
mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT), params);
final TextView textView = new TextView(getContext());
textView.setTextMetricsParams(params);
Canvas.freeTextLayoutCaches();
state.resumeTiming();
textView.setText(text);
}
}
@Test
public void testSetText_PrecomputedText_Selectable() {
final BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
BoringLayout.Metrics metrics = new BoringLayout.Metrics();
while (state.keepRunning()) {
state.pauseTiming();
final PrecomputedText.Params params = new PrecomputedText.Params.Builder(PAINT)
.setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NORMAL)
.setBreakStrategy(Layout.BREAK_STRATEGY_BALANCED).build();
final CharSequence text = PrecomputedText.create(
mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT), params);
final TextView textView = new TextView(getContext());
textView.setTextIsSelectable(true);
textView.setTextMetricsParams(params);
Canvas.freeTextLayoutCaches();
state.resumeTiming();
textView.setText(text);
}
}
@Test
public void testOnMeasure_RandomText() {
final BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
int width = MeasureSpec.makeMeasureSpec(TEXT_WIDTH, MeasureSpec.AT_MOST);
int height = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
while (state.keepRunning()) {
state.pauseTiming();
final CharSequence text = mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT);
final TestableTextView textView = new TestableTextView(getContext());
textView.setBreakStrategy(Layout.BREAK_STRATEGY_BALANCED);
textView.setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NORMAL);
textView.setText(text);
textView.nullLayouts();
Canvas.freeTextLayoutCaches();
state.resumeTiming();
textView.onMeasure(width, height);
}
}
@Test
public void testOnMeasure_RandomText_Selectable() {
final BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
int width = MeasureSpec.makeMeasureSpec(TEXT_WIDTH, MeasureSpec.AT_MOST);
int height = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
while (state.keepRunning()) {
state.pauseTiming();
final CharSequence text = mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT);
final TestableTextView textView = new TestableTextView(getContext());
textView.setTextIsSelectable(true);
textView.setBreakStrategy(Layout.BREAK_STRATEGY_BALANCED);
textView.setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NORMAL);
textView.setText(text);
textView.nullLayouts();
Canvas.freeTextLayoutCaches();
state.resumeTiming();
textView.onMeasure(width, height);
}
}
@Test
public void testOnMeasure_PrecomputedText() {
final BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
int width = MeasureSpec.makeMeasureSpec(TEXT_WIDTH, MeasureSpec.AT_MOST);
int height = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
while (state.keepRunning()) {
state.pauseTiming();
final PrecomputedText.Params params = new PrecomputedText.Params.Builder(PAINT)
.setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NORMAL)
.setBreakStrategy(Layout.BREAK_STRATEGY_BALANCED).build();
final CharSequence text = PrecomputedText.create(
mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT), params);
final TestableTextView textView = new TestableTextView(getContext());
textView.setTextMetricsParams(params);
textView.setText(text);
textView.nullLayouts();
Canvas.freeTextLayoutCaches();
state.resumeTiming();
textView.onMeasure(width, height);
}
}
@Test
public void testOnMeasure_PrecomputedText_Selectable() {
final BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
int width = MeasureSpec.makeMeasureSpec(TEXT_WIDTH, MeasureSpec.AT_MOST);
int height = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
while (state.keepRunning()) {
state.pauseTiming();
final PrecomputedText.Params params = new PrecomputedText.Params.Builder(PAINT)
.setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NORMAL)
.setBreakStrategy(Layout.BREAK_STRATEGY_BALANCED).build();
final CharSequence text = PrecomputedText.create(
mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT), params);
final TestableTextView textView = new TestableTextView(getContext());
textView.setTextIsSelectable(true);
textView.setTextMetricsParams(params);
textView.setText(text);
textView.nullLayouts();
Canvas.freeTextLayoutCaches();
state.resumeTiming();
textView.onMeasure(width, height);
}
}
@Test
public void testOnDraw_RandomText() {
final BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
int width = MeasureSpec.makeMeasureSpec(TEXT_WIDTH, MeasureSpec.AT_MOST);
int height = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
final RenderNode node = RenderNode.create("benchmark", null);
while (state.keepRunning()) {
state.pauseTiming();
final CharSequence text = mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT);
final TestableTextView textView = new TestableTextView(getContext());
textView.setBreakStrategy(Layout.BREAK_STRATEGY_BALANCED);
textView.setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NORMAL);
textView.setText(text);
textView.measure(width, height);
textView.layout(0, 0, textView.getMeasuredWidth(), textView.getMeasuredHeight());
final RecordingCanvas c = node.beginRecording(
textView.getMeasuredWidth(), textView.getMeasuredHeight());
textView.nullLayouts();
Canvas.freeTextLayoutCaches();
state.resumeTiming();
textView.onDraw(c);
node.endRecording();
}
}
@Test
public void testOnDraw_RandomText_Selectable() {
final BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
int width = MeasureSpec.makeMeasureSpec(TEXT_WIDTH, MeasureSpec.AT_MOST);
int height = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
final RenderNode node = RenderNode.create("benchmark", null);
while (state.keepRunning()) {
state.pauseTiming();
final CharSequence text = mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT);
final TestableTextView textView = new TestableTextView(getContext());
textView.setTextIsSelectable(true);
textView.setBreakStrategy(Layout.BREAK_STRATEGY_BALANCED);
textView.setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NORMAL);
textView.setText(text);
textView.measure(width, height);
textView.layout(0, 0, textView.getMeasuredWidth(), textView.getMeasuredHeight());
final RecordingCanvas c = node.beginRecording(
textView.getMeasuredWidth(), textView.getMeasuredHeight());
textView.nullLayouts();
Canvas.freeTextLayoutCaches();
state.resumeTiming();
textView.onDraw(c);
node.endRecording();
}
}
@Test
public void testOnDraw_PrecomputedText() {
final BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
int width = MeasureSpec.makeMeasureSpec(TEXT_WIDTH, MeasureSpec.AT_MOST);
int height = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
final RenderNode node = RenderNode.create("benchmark", null);
while (state.keepRunning()) {
state.pauseTiming();
final PrecomputedText.Params params = new PrecomputedText.Params.Builder(PAINT)
.setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NORMAL)
.setBreakStrategy(Layout.BREAK_STRATEGY_BALANCED).build();
final CharSequence text = PrecomputedText.create(
mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT), params);
final TestableTextView textView = new TestableTextView(getContext());
textView.setTextMetricsParams(params);
textView.setText(text);
textView.measure(width, height);
textView.layout(0, 0, textView.getMeasuredWidth(), textView.getMeasuredHeight());
final RecordingCanvas c = node.beginRecording(
textView.getMeasuredWidth(), textView.getMeasuredHeight());
textView.nullLayouts();
Canvas.freeTextLayoutCaches();
state.resumeTiming();
textView.onDraw(c);
node.endRecording();
}
}
@Test
public void testOnDraw_PrecomputedText_Selectable() {
final BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
int width = MeasureSpec.makeMeasureSpec(MeasureSpec.AT_MOST, TEXT_WIDTH);
int height = MeasureSpec.makeMeasureSpec(MeasureSpec.UNSPECIFIED, 0);
final RenderNode node = RenderNode.create("benchmark", null);
while (state.keepRunning()) {
state.pauseTiming();
final PrecomputedText.Params params = new PrecomputedText.Params.Builder(PAINT)
.setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NORMAL)
.setBreakStrategy(Layout.BREAK_STRATEGY_BALANCED).build();
final CharSequence text = PrecomputedText.create(
mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT), params);
final TestableTextView textView = new TestableTextView(getContext());
textView.setTextIsSelectable(true);
textView.setTextMetricsParams(params);
textView.setText(text);
textView.measure(width, height);
textView.layout(0, 0, textView.getMeasuredWidth(), textView.getMeasuredHeight());
final RecordingCanvas c = node.beginRecording(
textView.getMeasuredWidth(), textView.getMeasuredHeight());
textView.nullLayouts();
Canvas.freeTextLayoutCaches();
state.resumeTiming();
textView.onDraw(c);
node.endRecording();
}
}
}
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