1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
|
/*
* Copyright (C) 2017 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.text;
import static android.view.View.MeasureSpec.AT_MOST;
import static android.view.View.MeasureSpec.UNSPECIFIED;
import android.graphics.Canvas;
import android.perftests.utils.BenchmarkState;
import android.perftests.utils.PerfStatusReporter;
import android.support.test.InstrumentationRegistry;
import android.support.test.filters.LargeTest;
import android.text.NonEditableTextGenerator.TextType;
import android.view.DisplayListCanvas;
import android.view.RenderNode;
import android.widget.TextView;
import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Locale;
import java.util.Random;
/**
* Performance test for {@link TextView} measure/draw.
*/
@LargeTest
@RunWith(Parameterized.class)
public class TextViewSetTextMeasurePerfTest {
private static final boolean[] BOOLEANS = new boolean[]{false, true};
@Rule
public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();
@Parameterized.Parameters(name = "cached={3},{1}chars,{0}")
public static Collection cases() {
final List<Object[]> params = new ArrayList<>();
for (int length : new int[]{128}) {
for (boolean cached : BOOLEANS) {
for (TextType textType : new TextType[]{TextType.STRING,
TextType.SPANNABLE_BUILDER}) {
params.add(new Object[]{textType.name(), length, textType, cached});
}
}
}
return params;
}
private final int mLineWidth;
private final int mLength;
private final TextType mTextType;
private final boolean mCached;
private final TextPaint mTextPaint;
public TextViewSetTextMeasurePerfTest(String label, int length, TextType textType,
boolean cached) {
mLength = length;
mTextType = textType;
mCached = cached;
mTextPaint = new TextPaint();
mTextPaint.setTextSize(10);
mLineWidth = Integer.MAX_VALUE;
}
/**
* Measures the time to setText and measure for a {@link TextView}.
*/
@Test
public void timeCreate() throws Exception {
final BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
state.pauseTiming();
Canvas.freeTextLayoutCaches();
final CharSequence text = createRandomText(mLength);
final TextView textView = new TextView(InstrumentationRegistry.getTargetContext());
textView.setText(text);
state.resumeTiming();
while (state.keepRunning()) {
state.pauseTiming();
textView.setTextLocale(Locale.UK);
textView.setTextLocale(Locale.US);
if (!mCached) Canvas.freeTextLayoutCaches();
state.resumeTiming();
textView.setText(text);
textView.measure(AT_MOST | mLineWidth, UNSPECIFIED);
}
}
/**
* Measures the time to draw for a {@link TextView}.
*/
@Test
public void timeDraw() throws Exception {
final BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
state.pauseTiming();
Canvas.freeTextLayoutCaches();
final RenderNode node = RenderNode.create("benchmark", null);
final CharSequence text = createRandomText(mLength);
final TextView textView = new TextView(InstrumentationRegistry.getTargetContext());
textView.setText(text);
state.resumeTiming();
while (state.keepRunning()) {
state.pauseTiming();
final DisplayListCanvas canvas = node.start(1200, 200);
int save = canvas.save();
textView.setTextLocale(Locale.UK);
textView.setTextLocale(Locale.US);
if (!mCached) Canvas.freeTextLayoutCaches();
state.resumeTiming();
textView.draw(canvas);
state.pauseTiming();
canvas.restoreToCount(save);
node.end(canvas);
state.resumeTiming();
}
}
private CharSequence createRandomText(int length) {
return new NonEditableTextGenerator(new Random(0))
.setSequenceLength(length)
.setCreateBoring(false)
.setTextType(mTextType)
.build();
}
}
|
