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
|
/*
* Copyright (C) 2011 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.settings.net;
import android.content.Context;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.content.res.Resources;
import android.graphics.drawable.Drawable;
import android.net.ConnectivityManager;
import android.net.TrafficStats;
import android.text.TextUtils;
import android.util.SparseArray;
import com.android.settings.R;
import com.android.settings.Utils;
public class UidDetailProvider {
private final Context mContext;
private final SparseArray<UidDetail> mUidDetailCache;
public UidDetailProvider(Context context) {
mContext = context.getApplicationContext();
mUidDetailCache = new SparseArray<UidDetail>();
}
public void clearCache() {
synchronized (mUidDetailCache) {
mUidDetailCache.clear();
}
}
/**
* Resolve best descriptive label for the given UID.
*/
public UidDetail getUidDetail(int uid, boolean blocking) {
UidDetail detail;
synchronized (mUidDetailCache) {
detail = mUidDetailCache.get(uid);
}
if (detail != null) {
return detail;
} else if (!blocking) {
return null;
}
detail = buildUidDetail(uid);
synchronized (mUidDetailCache) {
mUidDetailCache.put(uid, detail);
}
return detail;
}
/**
* Build {@link UidDetail} object, blocking until all {@link Drawable}
* lookup is finished.
*/
private UidDetail buildUidDetail(int uid) {
final Resources res = mContext.getResources();
final PackageManager pm = mContext.getPackageManager();
final UidDetail detail = new UidDetail();
detail.label = pm.getNameForUid(uid);
detail.icon = pm.getDefaultActivityIcon();
// handle special case labels
switch (uid) {
case android.os.Process.SYSTEM_UID:
detail.label = res.getString(R.string.process_kernel_label);
detail.icon = pm.getDefaultActivityIcon();
return detail;
case TrafficStats.UID_REMOVED:
detail.label = res.getString(R.string.data_usage_uninstalled_apps);
detail.icon = pm.getDefaultActivityIcon();
return detail;
case TrafficStats.UID_TETHERING:
final ConnectivityManager cm = (ConnectivityManager) mContext.getSystemService(
Context.CONNECTIVITY_SERVICE);
detail.label = res.getString(Utils.getTetheringLabel(cm));
detail.icon = pm.getDefaultActivityIcon();
return detail;
}
// otherwise fall back to using packagemanager labels
final String[] packageNames = pm.getPackagesForUid(uid);
final int length = packageNames != null ? packageNames.length : 0;
try {
if (length == 1) {
final ApplicationInfo info = pm.getApplicationInfo(packageNames[0], 0);
detail.label = info.loadLabel(pm).toString();
detail.icon = info.loadIcon(pm);
} else if (length > 1) {
detail.detailLabels = new CharSequence[length];
for (int i = 0; i < length; i++) {
final String packageName = packageNames[i];
final PackageInfo packageInfo = pm.getPackageInfo(packageName, 0);
final ApplicationInfo appInfo = pm.getApplicationInfo(packageName, 0);
detail.detailLabels[i] = appInfo.loadLabel(pm).toString();
if (packageInfo.sharedUserLabel != 0) {
detail.label = pm.getText(packageName, packageInfo.sharedUserLabel,
packageInfo.applicationInfo).toString();
detail.icon = appInfo.loadIcon(pm);
}
}
}
} catch (NameNotFoundException e) {
}
if (TextUtils.isEmpty(detail.label)) {
detail.label = Integer.toString(uid);
}
return detail;
}
}
|
