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
|
/*
* 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 com.android.setupwizardlib.test.util;
import android.app.Activity;
import android.app.Application;
import android.app.Instrumentation;
import android.content.Context;
import android.content.Intent;
import android.content.pm.ActivityInfo;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.support.test.InstrumentationRegistry;
import android.view.View;
import android.view.View.MeasureSpec;
import androidx.annotation.StyleRes;
public class DrawingTestHelper {
/**
* Creates an activity of which to inflate views and drawables for drawing tests. This method
* will return an instance of AppCompatActivity which allows testing of drawing behavior
* injected by support libraries (like drawable tinting) as well.
*/
public static Activity createCanvasActivity(@StyleRes int theme)
throws IllegalAccessException, InstantiationException {
final Context context = InstrumentationRegistry.getTargetContext();
final Instrumentation instrumentation = InstrumentationRegistry.getInstrumentation();
final Intent intent = new Intent(context, DrawingTestActivity.class);
final Activity activity = instrumentation.newActivity(
DrawingTestActivity.class,
context,
null, /* token */
new Application(),
intent,
new ActivityInfo(),
"", /* title */
null, /* parent */
null, /* id */
null /* lastNonConfigurationInstance */);
instrumentation.callActivityOnCreate(activity, null);
activity.setTheme(theme);
return activity;
}
private final int mWidth;
private final int mHeight;
private final Canvas mCanvas;
private final Bitmap mBitmap;
public DrawingTestHelper(int width, int height) {
mWidth = width;
mHeight = height;
mBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
mCanvas = new Canvas(mBitmap);
}
public void drawView(View view) {
view.measure(
MeasureSpec.makeMeasureSpec(mWidth, MeasureSpec.EXACTLY),
MeasureSpec.makeMeasureSpec(mHeight, MeasureSpec.EXACTLY));
view.layout(0, 0, mWidth, mHeight);
view.draw(mCanvas);
}
public int[] getPixels() {
int[] out = new int[mWidth * mHeight];
mBitmap.getPixels(out, 0, mWidth, 0, 0, mWidth, mHeight);
return out;
}
public int getPixel(int x, int y) {
return mBitmap.getPixel(x, y);
}
}
|
