1 /* 2 * Copyright (C) 2008 The Android Open Source Project 3 * 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 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 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. 15 */ 16 17 package com.android.settings; 18 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; 33 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; 40 41 public class DeviceInfoSettings extends SettingsPreferenceFragment { 42 43 private static final String LOG_TAG = "DeviceInfoSettings"; 44 45 private static final String FILENAME_PROC_VERSION = "/proc/version"; 46 private static final String FILENAME_MSV = "/sys/board_properties/soc/msv"; 47 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"; 61 62 long[] mHits = new long[3]; 63 64 @Override onCreate(Bundle icicle)65 public void onCreate(Bundle icicle) { 66 super.onCreate(icicle); 67 68 addPreferencesFromResource(R.xml.device_info_settings); 69 70 // If we don't have an IME tutorial, remove that option 71 String currentIme = Settings.Secure.getString(getContentResolver(), 72 Settings.Secure.DEFAULT_INPUT_METHOD); 73 ComponentName component = ComponentName.unflattenFromString(currentIme); 74 Intent imeIntent = new Intent(component.getPackageName() + ".tutorial"); 75 PackageManager pm = getPackageManager(); 76 List<ResolveInfo> tutorials = pm.queryIntentActivities(imeIntent, 0); 77 if(tutorials == null || tutorials.isEmpty()) { 78 getPreferenceScreen().removePreference(findPreference("system_tutorial")); 79 } 80 81 setStringSummary(KEY_FIRMWARE_VERSION, Build.VERSION.RELEASE); 82 findPreference(KEY_FIRMWARE_VERSION).setEnabled(true); 83 setValueSummary(KEY_BASEBAND_VERSION, "gsm.version.baseband"); 84 setStringSummary(KEY_DEVICE_MODEL, Build.MODEL + getMsvSuffix()); 85 setStringSummary(KEY_BUILD_NUMBER, Build.DISPLAY); 86 findPreference(KEY_KERNEL_VERSION).setSummary(getFormattedKernelVersion()); 87 88 // Remove Safety information preference if PROPERTY_URL_SAFETYLEGAL is not set 89 removePreferenceIfPropertyMissing(getPreferenceScreen(), "safetylegal", 90 PROPERTY_URL_SAFETYLEGAL); 91 92 // Remove Baseband version if wifi-only device 93 if (Utils.isWifiOnly(getActivity())) { 94 getPreferenceScreen().removePreference(findPreference(KEY_BASEBAND_VERSION)); 95 } 96 97 /* 98 * Settings is a generic app and should not contain any device-specific 99 * info. 100 */ 101 final Activity act = getActivity(); 102 // These are contained in the "container" preference group 103 PreferenceGroup parentPreference = (PreferenceGroup) findPreference(KEY_CONTAINER); 104 Utils.updatePreferenceToSpecificActivityOrRemove(act, parentPreference, KEY_TERMS, 105 Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY); 106 Utils.updatePreferenceToSpecificActivityOrRemove(act, parentPreference, KEY_LICENSE, 107 Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY); 108 Utils.updatePreferenceToSpecificActivityOrRemove(act, parentPreference, KEY_COPYRIGHT, 109 Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY); 110 Utils.updatePreferenceToSpecificActivityOrRemove(act, parentPreference, KEY_TEAM, 111 Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY); 112 113 // These are contained by the root preference screen 114 parentPreference = getPreferenceScreen(); 115 Utils.updatePreferenceToSpecificActivityOrRemove(act, parentPreference, 116 KEY_SYSTEM_UPDATE_SETTINGS, 117 Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY); 118 Utils.updatePreferenceToSpecificActivityOrRemove(act, parentPreference, KEY_CONTRIBUTORS, 119 Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY); 120 } 121 122 @Override onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference)123 public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) { 124 if (preference.getKey().equals(KEY_FIRMWARE_VERSION)) { 125 System.arraycopy(mHits, 1, mHits, 0, mHits.length-1); 126 mHits[mHits.length-1] = SystemClock.uptimeMillis(); 127 if (mHits[0] >= (SystemClock.uptimeMillis()-500)) { 128 Intent intent = new Intent(Intent.ACTION_MAIN); 129 intent.setClassName("android", 130 com.android.internal.app.PlatLogoActivity.class.getName()); 131 try { 132 startActivity(intent); 133 } catch (Exception e) { 134 Log.e(LOG_TAG, "Unable to start activity " + intent.toString()); 135 } 136 } 137 } 138 return super.onPreferenceTreeClick(preferenceScreen, preference); 139 } 140 removePreferenceIfPropertyMissing(PreferenceGroup preferenceGroup, String preference, String property )141 private void removePreferenceIfPropertyMissing(PreferenceGroup preferenceGroup, 142 String preference, String property ) { 143 if (SystemProperties.get(property).equals("")) 144 { 145 // Property is missing so remove preference from group 146 try { 147 preferenceGroup.removePreference(findPreference(preference)); 148 } catch (RuntimeException e) { 149 Log.d(LOG_TAG, "Property '" + property + "' missing and no '" 150 + preference + "' preference"); 151 } 152 } 153 } 154 setStringSummary(String preference, String value)155 private void setStringSummary(String preference, String value) { 156 try { 157 findPreference(preference).setSummary(value); 158 } catch (RuntimeException e) { 159 findPreference(preference).setSummary( 160 getResources().getString(R.string.device_info_default)); 161 } 162 } 163 setValueSummary(String preference, String property)164 private void setValueSummary(String preference, String property) { 165 try { 166 findPreference(preference).setSummary( 167 SystemProperties.get(property, 168 getResources().getString(R.string.device_info_default))); 169 } catch (RuntimeException e) { 170 // No recovery 171 } 172 } 173 174 /** 175 * Reads a line from the specified file. 176 * @param filename the file to read from 177 * @return the first line, if any. 178 * @throws IOException if the file couldn't be read 179 */ readLine(String filename)180 private String readLine(String filename) throws IOException { 181 BufferedReader reader = new BufferedReader(new FileReader(filename), 256); 182 try { 183 return reader.readLine(); 184 } finally { 185 reader.close(); 186 } 187 } 188 getFormattedKernelVersion()189 private String getFormattedKernelVersion() { 190 String procVersionStr; 191 192 try { 193 procVersionStr = readLine(FILENAME_PROC_VERSION); 194 195 final String PROC_VERSION_REGEX = 196 "\\w+\\s+" + /* ignore: Linux */ 197 "\\w+\\s+" + /* ignore: version */ 198 "([^\\s]+)\\s+" + /* group 1: 2.6.22-omap1 */ 199 "\\(([^\\s@]+(?:@[^\\s.]+)?)[^)]*\\)\\s+" + /* group 2: (xxxxxx@xxxxx.constant) */ 200 "\\((?:[^(]*\\([^)]*\\))?[^)]*\\)\\s+" + /* ignore: (gcc ..) */ 201 "([^\\s]+)\\s+" + /* group 3: #26 */ 202 "(?:PREEMPT\\s+)?" + /* ignore: PREEMPT (optional) */ 203 "(.+)"; /* group 4: date */ 204 205 Pattern p = Pattern.compile(PROC_VERSION_REGEX); 206 Matcher m = p.matcher(procVersionStr); 207 208 if (!m.matches()) { 209 Log.e(LOG_TAG, "Regex did not match on /proc/version: " + procVersionStr); 210 return "Unavailable"; 211 } else if (m.groupCount() < 4) { 212 Log.e(LOG_TAG, "Regex match on /proc/version only returned " + m.groupCount() 213 + " groups"); 214 return "Unavailable"; 215 } else { 216 return (new StringBuilder(m.group(1)).append("\n").append( 217 m.group(2)).append(" ").append(m.group(3)).append("\n") 218 .append(m.group(4))).toString(); 219 } 220 } catch (IOException e) { 221 Log.e(LOG_TAG, 222 "IO Exception when getting kernel version for Device Info screen", 223 e); 224 225 return "Unavailable"; 226 } 227 } 228 229 /** 230 * Returns " (ENGINEERING)" if the msv file has a zero value, else returns "". 231 * @return a string to append to the model number description. 232 */ getMsvSuffix()233 private String getMsvSuffix() { 234 // Production devices should have a non-zero value. If we can't read it, assume it's a 235 // production device so that we don't accidentally show that it's an ENGINEERING device. 236 try { 237 String msv = readLine(FILENAME_MSV); 238 // Parse as a hex number. If it evaluates to a zero, then it's an engineering build. 239 if (Long.parseLong(msv, 16) == 0) { 240 return " (ENGINEERING)"; 241 } 242 } catch (IOException ioe) { 243 // Fail quietly, as the file may not exist on some devices. 244 } catch (NumberFormatException nfe) { 245 // Fail quietly, returning empty string should be sufficient 246 } 247 return ""; 248 } 249 } 250