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
|
/* Copyright (c) 2015, The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
package android.util;
import android.content.ComponentName;
import android.content.pm.ActivityInfo;
import android.content.pm.PackageManager;
import android.content.res.Configuration;
import android.graphics.Matrix;
import android.os.SystemProperties;
import android.util.Log;
import android.view.MotionEvent;
import android.view.SurfaceView;
import android.view.View;
/** @hide */
public class ResolutionOverride {
/** @hide */
static private final boolean DEBUG = false;
static private final String TAG = "ResolutionOverride";
private static final String RES_OVERRIDE = "persist.debug.app_res_override";
private boolean mIsEnabled = false;
private int mOverrideXres = 0;
private int mOverrideYres = 0;
/** @hide */
public ResolutionOverride(SurfaceView view) {
boolean enable = (view.getContext().getApplicationInfo().canOverrideRes() == 1);
int orientation = view.getResources().getConfiguration().orientation;
if(enable && (orientation == Configuration.ORIENTATION_PORTRAIT ||
orientation == Configuration.ORIENTATION_LANDSCAPE)) {
String resStr = SystemProperties.get(RES_OVERRIDE, null);
if (resStr != null && resStr.length() > 0) {
resStr = resStr.toLowerCase();
final int pos = resStr.indexOf('x');
if (pos > 0 && resStr.lastIndexOf('x') == pos) {
try {
mOverrideXres = Integer.parseInt(resStr.substring(0, pos));
mOverrideYres = Integer.parseInt(resStr.substring(pos + 1));
} catch (NumberFormatException ex) {
Log.e(TAG, "Error in extracting the overriding xres and yres");
}
}
}
if(orientation == Configuration.ORIENTATION_LANDSCAPE) {
int tmp = mOverrideXres;
mOverrideXres = mOverrideYres;
mOverrideYres = tmp;
}
if(mOverrideXres > 0 && mOverrideYres > 0) {
mIsEnabled = true;
if (DEBUG) Log.i(TAG, "Orientation: " + orientation +
" Overriding resolution to" + " xres: " + mOverrideXres
+ " yres: " + mOverrideYres);
}
}
}
/** @hide */
public void setFixedSize(SurfaceView view) {
if(!mIsEnabled) {
return;
}
view.getHolder().setFixedSize(mOverrideXres, mOverrideYres);
}
/** @hide */
public void handleTouch(SurfaceView view, MotionEvent ev) {
if(!mIsEnabled) {
return;
}
Matrix matrix = new Matrix();
//mOverride{Xres, Yres} are already swapped if orientation is landscape
float xscale = (mOverrideXres * 1.0f) / view.getWidth();
float yscale = (mOverrideYres * 1.0f) / view.getHeight();
if (DEBUG) Log.i(TAG, "Before overriding the touch event x/y : " + ev);
matrix.postScale(xscale, yscale);
ev.transform(matrix);
if (DEBUG) Log.i(TAG, "After overriding the touch event x/y : " + ev);
}
/** @hide */
public void handleResize(final SurfaceView surfaceView) {
if(!mIsEnabled) {
return;
}
/* Change the visibility to GONE and back to VISIBLE and post it
* on the main thread for the touch events to be effective on the
* changed SurfaceView with the new dimensions
*/
surfaceView.post(new Runnable() {
@Override
public void run() {
surfaceView.setVisibility(View.GONE);
}
});
surfaceView.postDelayed(new Runnable() {
@Override
public void run() {
surfaceView.setVisibility(View.VISIBLE);
}
}, 100);
}
};
|
