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
|
/*
* Copyright (C) 2010 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.galaxy4;
import android.graphics.PixelFormat;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.renderscript.RenderScript;
import android.renderscript.RenderScriptGL;
import android.util.DisplayMetrics;
import android.service.wallpaper.WallpaperService;
import android.view.Surface;
import android.view.SurfaceHolder;
import android.view.WindowManager;
import android.app.Service;
public class Galaxy4Wallpaper extends WallpaperService {
@Override
public Engine onCreateEngine() {
return new RenderScriptEngine();
}
private class RenderScriptEngine extends Engine {
private RenderScriptGL mRenderScript = null;
private GalaxyRS mWallpaperRS = null;
private int mDensityDPI;
@Override
public void onCreate(SurfaceHolder surfaceHolder) {
super.onCreate(surfaceHolder);
setTouchEventsEnabled(true);
surfaceHolder.setSizeFromLayout();
surfaceHolder.setFormat(PixelFormat.RGBA_8888);
DisplayMetrics metrics = new DisplayMetrics();
((WindowManager) getApplication().getSystemService(Service.WINDOW_SERVICE))
.getDefaultDisplay().getMetrics(metrics);
mDensityDPI = metrics.densityDpi;
}
@Override
public void onDestroy() {
super.onDestroy();
destroyRenderer();
}
public void destroyRenderer() {
if (mWallpaperRS != null) {
mWallpaperRS.stop();
mWallpaperRS = null;
}
if (mRenderScript != null) {
mRenderScript.setSurface(null, 0, 0);
mRenderScript.destroy();
mRenderScript = null;
}
}
@Override
public void onSurfaceCreated(SurfaceHolder surfaceHolder) {
super.onSurfaceCreated(surfaceHolder);
RenderScriptGL.SurfaceConfig sc = new RenderScriptGL.SurfaceConfig();
mRenderScript = new RenderScriptGL(Galaxy4Wallpaper.this, sc);
mRenderScript.setPriority(RenderScript.Priority.LOW);
}
@Override
public void onSurfaceDestroyed(SurfaceHolder surfaceHolder) {
super.onSurfaceDestroyed(surfaceHolder);
destroyRenderer();
}
@Override
public void onSurfaceChanged(SurfaceHolder surfaceHolder,
int format, int width, int height) {
super.onSurfaceChanged(surfaceHolder, format, width, height);
if (mRenderScript != null) {
mRenderScript.setSurface(surfaceHolder, width, height);
}
if (mWallpaperRS == null) {
mWallpaperRS = new GalaxyRS();
mWallpaperRS.init(mDensityDPI, mRenderScript, getResources(), width, height);
mWallpaperRS.start();
} else {
mWallpaperRS.resize(width, height);
}
}
@Override
public Bundle onCommand(String action, int x, int y, int z, Bundle extras,
boolean resultRequested) {
if (mWallpaperRS != null) {
// return mWallpaperRS.onCommand(action, x, y, z, extras, resultRequested);
}
return null;
}
@Override
public void onVisibilityChanged(boolean visible) {
super.onVisibilityChanged(visible);
if (mWallpaperRS != null) {
if (visible) {
mWallpaperRS.start();
} else {
mWallpaperRS.stop();
}
}
}
}
}
|
