2 * Copyright (C) 2008 The Android Open Source Project
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 package com.android.settings;
19 import android.app.Activity;
20 import android.content.ComponentName;
21 import android.content.Intent;
22 import android.content.pm.PackageManager;
23 import android.content.pm.ResolveInfo;
24 import android.os.Build;
25 import android.os.Bundle;
26 import android.os.SystemClock;
27 import android.os.SystemProperties;
28 import android.preference.Preference;
29 import android.preference.PreferenceGroup;
30 import android.preference.PreferenceScreen;
31 import android.provider.Settings;
32 import android.util.Log;
34 import java.io.BufferedReader;
35 import java.io.FileReader;
36 import java.io.IOException;
37 import java.util.List;
38 import java.util.regex.Matcher;
39 import java.util.regex.Pattern;
41 public class DeviceInfoSettings extends SettingsPreferenceFragment {
43 private static final String LOG_TAG = "DeviceInfoSettings";
45 private static final String FILENAME_PROC_VERSION = "/proc/version";
46 private static final String FILENAME_MSV = "/sys/board_properties/soc/msv";
48 private static final String KEY_CONTAINER = "container";
49 private static final String KEY_TEAM = "team";
50 private static final String KEY_CONTRIBUTORS = "contributors";
51 private static final String KEY_TERMS = "terms";
52 private static final String KEY_LICENSE = "license";
53 private static final String KEY_COPYRIGHT = "copyright";
54 private static final String KEY_SYSTEM_UPDATE_SETTINGS = "system_update_settings";
55 private static final String PROPERTY_URL_SAFETYLEGAL = "ro.url.safetylegal";
56 private static final String KEY_KERNEL_VERSION = "kernel_version";
57 private static final String KEY_BUILD_NUMBER = "build_number";
58 private static final String KEY_DEVICE_MODEL = "device_model";
59 private static final String KEY_BASEBAND_VERSION = "baseband_version";
60 private static final String KEY_FIRMWARE_VERSION = "firmware_version";
62 long[] mHits = new long[3];
65 public void onCreate(Bundle icicle) {
66 super.onCreate(icicle);
68 addPreferencesFromResource(R.xml.device_info_settings);
70 setStringSummary(KEY_FIRMWARE_VERSION, Build.VERSION.RELEASE);
71 findPreference(KEY_FIRMWARE_VERSION).setEnabled(true);
72 setValueSummary(KEY_BASEBAND_VERSION, "gsm.version.baseband");
73 setStringSummary(KEY_DEVICE_MODEL, Build.MODEL + getMsvSuffix());
74 setStringSummary(KEY_BUILD_NUMBER, Build.DISPLAY);
75 findPreference(KEY_KERNEL_VERSION).setSummary(getFormattedKernelVersion());
77 // Remove Safety information preference if PROPERTY_URL_SAFETYLEGAL is not set
78 removePreferenceIfPropertyMissing(getPreferenceScreen(), "safetylegal",
79 PROPERTY_URL_SAFETYLEGAL);
81 // Remove Baseband version if wifi-only device
82 if (Utils.isWifiOnly(getActivity())) {
83 getPreferenceScreen().removePreference(findPreference(KEY_BASEBAND_VERSION));
87 * Settings is a generic app and should not contain any device-specific
90 final Activity act = getActivity();
91 // These are contained in the "container" preference group
92 PreferenceGroup parentPreference = (PreferenceGroup) findPreference(KEY_CONTAINER);
93 Utils.updatePreferenceToSpecificActivityOrRemove(act, parentPreference, KEY_TERMS,
94 Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY);
95 Utils.updatePreferenceToSpecificActivityOrRemove(act, parentPreference, KEY_LICENSE,
96 Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY);
97 Utils.updatePreferenceToSpecificActivityOrRemove(act, parentPreference, KEY_COPYRIGHT,
98 Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY);
99 Utils.updatePreferenceToSpecificActivityOrRemove(act, parentPreference, KEY_TEAM,
100 Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY);
102 // These are contained by the root preference screen
103 parentPreference = getPreferenceScreen();
104 Utils.updatePreferenceToSpecificActivityOrRemove(act, parentPreference,
105 KEY_SYSTEM_UPDATE_SETTINGS,
106 Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY);
107 Utils.updatePreferenceToSpecificActivityOrRemove(act, parentPreference, KEY_CONTRIBUTORS,
108 Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY);
112 public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) {
113 if (preference.getKey().equals(KEY_FIRMWARE_VERSION)) {
114 System.arraycopy(mHits, 1, mHits, 0, mHits.length-1);
115 mHits[mHits.length-1] = SystemClock.uptimeMillis();
116 if (mHits[0] >= (SystemClock.uptimeMillis()-500)) {
117 Intent intent = new Intent(Intent.ACTION_MAIN);
118 intent.setClassName("android",
119 com.android.internal.app.PlatLogoActivity.class.getName());
121 startActivity(intent);
122 } catch (Exception e) {
123 Log.e(LOG_TAG, "Unable to start activity " + intent.toString());
127 return super.onPreferenceTreeClick(preferenceScreen, preference);
130 private void removePreferenceIfPropertyMissing(PreferenceGroup preferenceGroup,
131 String preference, String property ) {
132 if (SystemProperties.get(property).equals(""))
134 // Property is missing so remove preference from group
136 preferenceGroup.removePreference(findPreference(preference));
137 } catch (RuntimeException e) {
138 Log.d(LOG_TAG, "Property '" + property + "' missing and no '"
139 + preference + "' preference");
144 private void setStringSummary(String preference, String value) {
146 findPreference(preference).setSummary(value);
147 } catch (RuntimeException e) {
148 findPreference(preference).setSummary(
149 getResources().getString(R.string.device_info_default));
153 private void setValueSummary(String preference, String property) {
155 findPreference(preference).setSummary(
156 SystemProperties.get(property,
157 getResources().getString(R.string.device_info_default)));
158 } catch (RuntimeException e) {
164 * Reads a line from the specified file.
165 * @param filename the file to read from
166 * @return the first line, if any.
167 * @throws IOException if the file couldn't be read
169 private String readLine(String filename) throws IOException {
170 BufferedReader reader = new BufferedReader(new FileReader(filename), 256);
172 return reader.readLine();
178 private String getFormattedKernelVersion() {
179 String procVersionStr;
182 procVersionStr = readLine(FILENAME_PROC_VERSION);
184 final String PROC_VERSION_REGEX =
185 "\\w+\\s+" + /* ignore: Linux */
186 "\\w+\\s+" + /* ignore: version */
187 "([^\\s]+)\\s+" + /* group 1: 2.6.22-omap1 */
188 "\\(([^\\s@]+(?:@[^\\s.]+)?)[^)]*\\)\\s+" + /* group 2: (xxxxxx@xxxxx.constant) */
189 "\\((?:[^(]*\\([^)]*\\))?[^)]*\\)\\s+" + /* ignore: (gcc ..) */
190 "([^\\s]+)\\s+" + /* group 3: #26 */
191 "(?:PREEMPT\\s+)?" + /* ignore: PREEMPT (optional) */
192 "(.+)"; /* group 4: date */
194 Pattern p = Pattern.compile(PROC_VERSION_REGEX);
195 Matcher m = p.matcher(procVersionStr);
198 Log.e(LOG_TAG, "Regex did not match on /proc/version: " + procVersionStr);
199 return "Unavailable";
200 } else if (m.groupCount() < 4) {
201 Log.e(LOG_TAG, "Regex match on /proc/version only returned " + m.groupCount()
203 return "Unavailable";
205 return (new StringBuilder(m.group(1)).append("\n").append(
206 m.group(2)).append(" ").append(m.group(3)).append("\n")
207 .append(m.group(4))).toString();
209 } catch (IOException e) {
211 "IO Exception when getting kernel version for Device Info screen",
214 return "Unavailable";
219 * Returns " (ENGINEERING)" if the msv file has a zero value, else returns "".
220 * @return a string to append to the model number description.
222 private String getMsvSuffix() {
223 // Production devices should have a non-zero value. If we can't read it, assume it's a
224 // production device so that we don't accidentally show that it's an ENGINEERING device.
226 String msv = readLine(FILENAME_MSV);
227 // Parse as a hex number. If it evaluates to a zero, then it's an engineering build.
228 if (Long.parseLong(msv, 16) == 0) {
229 return " (ENGINEERING)";
231 } catch (IOException ioe) {
232 // Fail quietly, as the file may not exist on some devices.
233 } catch (NumberFormatException nfe) {
234 // Fail quietly, returning empty string should be sufficient