blob: 22bb46f993f1716acb228e4142561b8de964d40b (
plain)
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
|
/*
* Copyright (C) 2008 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.frameworktest.performance;
import android.app.Activity;
import android.os.Bundle;
import android.os.Debug;
import android.os.Handler;
import android.view.View;
import android.view.ViewGroup;
import android.content.Context;
import android.graphics.Canvas;
public class InvalidateCycle extends Activity {
private boolean mStartProfiling;
private InvalidateCycle.AutoInvalidateView mView;
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mView = new AutoInvalidateView(this);
mView.setLayoutParams(new ViewGroup.LayoutParams(16, 16));
setContentView(mView);
new Handler().postDelayed(new Runnable() {
public void run() {
mStartProfiling = true;
android.util.Log.d("Performance", "Profiling started");
Debug.startMethodTracing("invalidateCycle");
mView.invalidate();
}
}, 15000);
}
private class AutoInvalidateView extends View {
private boolean mFirstDraw;
public AutoInvalidateView(Context context) {
super(context);
}
protected void onDraw(Canvas canvas) {
if (mStartProfiling && !mFirstDraw) {
Debug.stopMethodTracing();
android.util.Log.d("Performance", "Profiling ended");
mFirstDraw = true;
}
canvas.drawColor(0xFFFF0000);
}
}
}
|
