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.Context; 21 import android.content.Intent; 22 import android.content.pm.ApplicationInfo; 23 import android.content.pm.PackageManager; 24 import android.content.pm.ResolveInfo; 25 import android.os.Binder; 26 import android.os.Build; 27 import android.os.Bundle; 28 import android.os.Parcel; 29 import android.os.RemoteException; 30 import android.os.SELinux; 31 import android.os.SystemClock; 32 import android.os.SystemProperties; 33 import android.os.UserHandle; 34 import android.os.UserManager; 35 import android.preference.Preference; 36 import android.preference.PreferenceGroup; 37 import android.preference.PreferenceScreen; 38 import android.provider.SearchIndexableResource; 39 import android.provider.Settings; 40 import android.text.TextUtils; 41 import android.util.Log; 42 import android.widget.Toast; 43 import com.android.settings.search.BaseSearchIndexProvider; 44 import com.android.settings.search.Index; 45 import com.android.settings.search.Indexable; 46 47 import java.io.BufferedReader; 48 import java.io.FileReader; 49 import java.io.IOException; 50 import java.util.ArrayList; 51 import java.util.Arrays; 52 import java.util.List; 53 import java.util.regex.Matcher; 54 import java.util.regex.Pattern; 55 56 public class DeviceInfoSettings extends SettingsPreferenceFragment implements Indexable { 57 58 private static final String LOG_TAG = "DeviceInfoSettings"; 59 private static final String FILENAME_PROC_VERSION = "/proc/version"; 60 private static final String FILENAME_MSV = "/sys/board_properties/soc/msv"; 61 62 private static final String KEY_CONTAINER = "container"; 63 private static final String KEY_REGULATORY_INFO = "regulatory_info"; 64 private static final String KEY_TERMS = "terms"; 65 private static final String KEY_LICENSE = "license"; 66 private static final String KEY_COPYRIGHT = "copyright"; 67 private static final String KEY_SYSTEM_UPDATE_SETTINGS = "system_update_settings"; 68 private static final String PROPERTY_URL_SAFETYLEGAL = "ro.url.safetylegal"; 69 private static final String PROPERTY_SELINUX_STATUS = "ro.build.selinux"; 70 private static final String KEY_KERNEL_VERSION = "kernel_version"; 71 private static final String KEY_BUILD_NUMBER = "build_number"; 72 private static final String KEY_DEVICE_MODEL = "device_model"; 73 private static final String KEY_SELINUX_STATUS = "selinux_status"; 74 private static final String KEY_BASEBAND_VERSION = "baseband_version"; 75 private static final String KEY_FIRMWARE_VERSION = "firmware_version"; 76 private static final String KEY_UPDATE_SETTING = "additional_system_update_settings"; 77 private static final String KEY_EQUIPMENT_ID = "fcc_equipment_id"; 78 private static final String PROPERTY_EQUIPMENT_ID = "ro.ril.fccid"; 79 private static final String KEY_DEVICE_FEEDBACK = "device_feedback"; 80 private static final String KEY_SAFETY_LEGAL = "safetylegal"; 81 82 static final int TAPS_TO_BE_A_DEVELOPER = 7; 83 84 long[] mHits = new long[3]; 85 int mDevHitCountdown; 86 Toast mDevHitToast; 87 88 @Override 89 public void onCreate(Bundle icicle) { 90 super.onCreate(icicle); 91 92 addPreferencesFromResource(R.xml.device_info_settings); 93 94 setStringSummary(KEY_FIRMWARE_VERSION, Build.VERSION.RELEASE); 95 findPreference(KEY_FIRMWARE_VERSION).setEnabled(true); 96 setValueSummary(KEY_BASEBAND_VERSION, "gsm.version.baseband"); 97 setStringSummary(KEY_DEVICE_MODEL, Build.MODEL + getMsvSuffix()); 98 setValueSummary(KEY_EQUIPMENT_ID, PROPERTY_EQUIPMENT_ID); 99 setStringSummary(KEY_DEVICE_MODEL, Build.MODEL); 100 setStringSummary(KEY_BUILD_NUMBER, Build.DISPLAY); 101 findPreference(KEY_BUILD_NUMBER).setEnabled(true); 102 findPreference(KEY_KERNEL_VERSION).setSummary(getFormattedKernelVersion()); 103 104 if (!SELinux.isSELinuxEnabled()) { 105 String status = getResources().getString(R.string.selinux_status_disabled); 106 setStringSummary(KEY_SELINUX_STATUS, status); 107 } else if (!SELinux.isSELinuxEnforced()) { 108 String status = getResources().getString(R.string.selinux_status_permissive); 109 setStringSummary(KEY_SELINUX_STATUS, status); 110 } 111 112 // Remove selinux information if property is not present 113 removePreferenceIfPropertyMissing(getPreferenceScreen(), KEY_SELINUX_STATUS, 114 PROPERTY_SELINUX_STATUS); 115 116 // Remove Safety information preference if PROPERTY_URL_SAFETYLEGAL is not set 117 removePreferenceIfPropertyMissing(getPreferenceScreen(), KEY_SAFETY_LEGAL, 118 PROPERTY_URL_SAFETYLEGAL); 119 120 // Remove Equipment id preference if FCC ID is not set by RIL 121 removePreferenceIfPropertyMissing(getPreferenceScreen(), KEY_EQUIPMENT_ID, 122 PROPERTY_EQUIPMENT_ID); 123 124 // Remove Baseband version if wifi-only device 125 if (Utils.isWifiOnly(getActivity())) { 126 getPreferenceScreen().removePreference(findPreference(KEY_BASEBAND_VERSION)); 127 } 128 129 // Dont show feedback option if there is no reporter. 130 if (TextUtils.isEmpty(getFeedbackReporterPackage(getActivity()))) { 131 getPreferenceScreen().removePreference(findPreference(KEY_DEVICE_FEEDBACK)); 132 } 133 134 /* 135 * Settings is a generic app and should not contain any device-specific 136 * info. 137 */ 138 final Activity act = getActivity(); 139 // These are contained in the "container" preference group 140 PreferenceGroup parentPreference = (PreferenceGroup) findPreference(KEY_CONTAINER); 141 Utils.updatePreferenceToSpecificActivityOrRemove(act, parentPreference, KEY_TERMS, 142 Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY); 143 Utils.updatePreferenceToSpecificActivityOrRemove(act, parentPreference, KEY_LICENSE, 144 Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY); 145 Utils.updatePreferenceToSpecificActivityOrRemove(act, parentPreference, KEY_COPYRIGHT, 146 Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY); 147 148 // These are contained by the root preference screen 149 parentPreference = getPreferenceScreen(); 150 if (UserHandle.myUserId() == UserHandle.USER_OWNER) { 151 Utils.updatePreferenceToSpecificActivityOrRemove(act, parentPreference, 152 KEY_SYSTEM_UPDATE_SETTINGS, 153 Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY); 154 } else { 155 // Remove for secondary users 156 removePreference(KEY_SYSTEM_UPDATE_SETTINGS); 157 } 158 159 // Read platform settings for additional system update setting 160 removePreferenceIfBoolFalse(KEY_UPDATE_SETTING, 161 R.bool.config_additional_system_update_setting_enable); 162 163 // Remove regulatory information if none present. 164 final Intent intent = new Intent(Settings.ACTION_SHOW_REGULATORY_INFO); 165 if (getPackageManager().queryIntentActivities(intent, 0).isEmpty()) { 166 Preference pref = findPreference(KEY_REGULATORY_INFO); 167 if (pref != null) { 168 getPreferenceScreen().removePreference(pref); 169 } 170 } 171 } 172 173 @Override 174 public void onResume() { 175 super.onResume(); 176 mDevHitCountdown = getActivity().getSharedPreferences(DevelopmentSettings.PREF_FILE, 177 Context.MODE_PRIVATE).getBoolean(DevelopmentSettings.PREF_SHOW, 178 android.os.Build.TYPE.equals("eng")) ? -1 : TAPS_TO_BE_A_DEVELOPER; 179 mDevHitToast = null; 180 } 181 182 @Override 183 public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) { 184 if (preference.getKey().equals(KEY_FIRMWARE_VERSION)) { 185 System.arraycopy(mHits, 1, mHits, 0, mHits.length-1); 186 mHits[mHits.length-1] = SystemClock.uptimeMillis(); 187 if (mHits[0] >= (SystemClock.uptimeMillis()-500)) { 188 Intent intent = new Intent(Intent.ACTION_MAIN); 189 intent.setClassName("android", 190 com.android.internal.app.PlatLogoActivity.class.getName()); 191 try { 192 startActivity(intent); 193 } catch (Exception e) { 194 Log.e(LOG_TAG, "Unable to start activity " + intent.toString()); 195 } 196 } 197 } else if (preference.getKey().equals(KEY_BUILD_NUMBER)) { 198 // Don't enable developer options for secondary users. 199 if (UserHandle.myUserId() != UserHandle.USER_OWNER) return true; 200 201 final UserManager um = (UserManager) getSystemService(Context.USER_SERVICE); 202 if (um.hasUserRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES)) return true; 203 204 if (mDevHitCountdown > 0) { 205 mDevHitCountdown--; 206 if (mDevHitCountdown == 0) { 207 getActivity().getSharedPreferences(DevelopmentSettings.PREF_FILE, 208 Context.MODE_PRIVATE).edit().putBoolean( 209 DevelopmentSettings.PREF_SHOW, true).apply(); 210 if (mDevHitToast != null) { 211 mDevHitToast.cancel(); 212 } 213 mDevHitToast = Toast.makeText(getActivity(), R.string.show_dev_on, 214 Toast.LENGTH_LONG); 215 mDevHitToast.show(); 216 // This is good time to index the Developer Options 217 Index.getInstance( 218 getActivity().getApplicationContext()).updateFromClassNameResource( 219 DevelopmentSettings.class.getName(), true, true); 220 221 } else if (mDevHitCountdown > 0 222 && mDevHitCountdown < (TAPS_TO_BE_A_DEVELOPER-2)) { 223 if (mDevHitToast != null) { 224 mDevHitToast.cancel(); 225 } 226 mDevHitToast = Toast.makeText(getActivity(), getResources().getQuantityString( 227 R.plurals.show_dev_countdown, mDevHitCountdown, mDevHitCountdown), 228 Toast.LENGTH_SHORT); 229 mDevHitToast.show(); 230 } 231 } else if (mDevHitCountdown < 0) { 232 if (mDevHitToast != null) { 233 mDevHitToast.cancel(); 234 } 235 mDevHitToast = Toast.makeText(getActivity(), R.string.show_dev_already, 236 Toast.LENGTH_LONG); 237 mDevHitToast.show(); 238 } 239 } else if (preference.getKey().equals(KEY_DEVICE_FEEDBACK)) { 240 sendFeedback(); 241 } 242 return super.onPreferenceTreeClick(preferenceScreen, preference); 243 } 244 245 private void removePreferenceIfPropertyMissing(PreferenceGroup preferenceGroup, 246 String preference, String property ) { 247 if (SystemProperties.get(property).equals("")) { 248 // Property is missing so remove preference from group 249 try { 250 preferenceGroup.removePreference(findPreference(preference)); 251 } catch (RuntimeException e) { 252 Log.d(LOG_TAG, "Property '" + property + "' missing and no '" 253 + preference + "' preference"); 254 } 255 } 256 } 257 258 private void removePreferenceIfBoolFalse(String preference, int resId) { 259 if (!getResources().getBoolean(resId)) { 260 Preference pref = findPreference(preference); 261 if (pref != null) { 262 getPreferenceScreen().removePreference(pref); 263 } 264 } 265 } 266 267 private void setStringSummary(String preference, String value) { 268 try { 269 findPreference(preference).setSummary(value); 270 } catch (RuntimeException e) { 271 findPreference(preference).setSummary( 272 getResources().getString(R.string.device_info_default)); 273 } 274 } 275 276 private void setValueSummary(String preference, String property) { 277 try { 278 findPreference(preference).setSummary( 279 SystemProperties.get(property, 280 getResources().getString(R.string.device_info_default))); 281 } catch (RuntimeException e) { 282 // No recovery 283 } 284 } 285 286 private void sendFeedback() { 287 String reporterPackage = getFeedbackReporterPackage(getActivity()); 288 if (TextUtils.isEmpty(reporterPackage)) { 289 return; 290 } 291 Intent intent = new Intent(Intent.ACTION_BUG_REPORT); 292 intent.setPackage(reporterPackage); 293 startActivityForResult(intent, 0); 294 } 295 296 /** 297 * Reads a line from the specified file. 298 * @param filename the file to read from 299 * @return the first line, if any. 300 * @throws IOException if the file couldn't be read 301 */ 302 private static String readLine(String filename) throws IOException { 303 BufferedReader reader = new BufferedReader(new FileReader(filename), 256); 304 try { 305 return reader.readLine(); 306 } finally { 307 reader.close(); 308 } 309 } 310 311 public static String getFormattedKernelVersion() { 312 try { 313 return formatKernelVersion(readLine(FILENAME_PROC_VERSION)); 314 315 } catch (IOException e) { 316 Log.e(LOG_TAG, 317 "IO Exception when getting kernel version for Device Info screen", 318 e); 319 320 return "Unavailable"; 321 } 322 } 323 324 public static String formatKernelVersion(String rawKernelVersion) { 325 // Example (see tests for more): 326 // Linux version 3.0.31-g6fb96c9 (android-build (at) xxx.xxx.xxx.xxx.com) \ 327 // (gcc version 4.6.x-xxx 20120106 (prerelease) (GCC) ) #1 SMP PREEMPT \ 328 // Thu Jun 28 11:02:39 PDT 2012 329 330 final String PROC_VERSION_REGEX = 331 "Linux version (\\S+) " + /* group 1: "3.0.31-g6fb96c9" */ 332 "\\((\\S+?)\\) " + /* group 2: "x (at) y.com" (kernel builder) */ 333 "(?:\\(gcc.+? \\)) " + /* ignore: GCC version information */ 334 "(#\\d+) " + /* group 3: "#1" */ 335 "(?:.*?)?" + /* ignore: optional SMP, PREEMPT, and any CONFIG_FLAGS */ 336 "((Sun|Mon|Tue|Wed|Thu|Fri|Sat).+)"; /* group 4: "Thu Jun 28 11:02:39 PDT 2012" */ 337 338 Matcher m = Pattern.compile(PROC_VERSION_REGEX).matcher(rawKernelVersion); 339 if (!m.matches()) { 340 Log.e(LOG_TAG, "Regex did not match on /proc/version: " + rawKernelVersion); 341 return "Unavailable"; 342 } else if (m.groupCount() < 4) { 343 Log.e(LOG_TAG, "Regex match on /proc/version only returned " + m.groupCount() 344 + " groups"); 345 return "Unavailable"; 346 } 347 return m.group(1) + "\n" + // 3.0.31-g6fb96c9 348 m.group(2) + " " + m.group(3) + "\n" + // x (at) y.com #1 349 m.group(4); // Thu Jun 28 11:02:39 PDT 2012 350 } 351 352 /** 353 * Returns " (ENGINEERING)" if the msv file has a zero value, else returns "". 354 * @return a string to append to the model number description. 355 */ 356 private String getMsvSuffix() { 357 // Production devices should have a non-zero value. If we can't read it, assume it's a 358 // production device so that we don't accidentally show that it's an ENGINEERING device. 359 try { 360 String msv = readLine(FILENAME_MSV); 361 // Parse as a hex number. If it evaluates to a zero, then it's an engineering build. 362 if (Long.parseLong(msv, 16) == 0) { 363 return " (ENGINEERING)"; 364 } 365 } catch (IOException ioe) { 366 // Fail quietly, as the file may not exist on some devices. 367 } catch (NumberFormatException nfe) { 368 // Fail quietly, returning empty string should be sufficient 369 } 370 return ""; 371 } 372 373 private static String getFeedbackReporterPackage(Context context) { 374 final String feedbackReporter = 375 context.getResources().getString(R.string.oem_preferred_feedback_reporter); 376 if (TextUtils.isEmpty(feedbackReporter)) { 377 // Reporter not configured. Return. 378 return feedbackReporter; 379 } 380 // Additional checks to ensure the reporter is on system image, and reporter is 381 // configured to listen to the intent. Otherwise, dont show the "send feedback" option. 382 final Intent intent = new Intent(Intent.ACTION_BUG_REPORT); 383 384 PackageManager pm = context.getPackageManager(); 385 List<ResolveInfo> resolvedPackages = 386 pm.queryIntentActivities(intent, PackageManager.GET_RESOLVED_FILTER); 387 for (ResolveInfo info : resolvedPackages) { 388 if (info.activityInfo != null) { 389 if (!TextUtils.isEmpty(info.activityInfo.packageName)) { 390 try { 391 ApplicationInfo ai = pm.getApplicationInfo(info.activityInfo.packageName, 0); 392 if ((ai.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 393 // Package is on the system image 394 if (TextUtils.equals( 395 info.activityInfo.packageName, feedbackReporter)) { 396 return feedbackReporter; 397 } 398 } 399 } catch (PackageManager.NameNotFoundException e) { 400 // No need to do anything here. 401 } 402 } 403 } 404 } 405 return null; 406 } 407 408 /** 409 * For Search. 410 */ 411 public static final SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER = 412 new BaseSearchIndexProvider() { 413 414 @Override 415 public List<SearchIndexableResource> getXmlResourcesToIndex( 416 Context context, boolean enabled) { 417 final SearchIndexableResource sir = new SearchIndexableResource(context); 418 sir.xmlResId = R.xml.device_info_settings; 419 return Arrays.asList(sir); 420 } 421 422 @Override 423 public List<String> getNonIndexableKeys(Context context) { 424 final List<String> keys = new ArrayList<String>(); 425 if (isPropertyMissing(PROPERTY_SELINUX_STATUS)) { 426 keys.add(KEY_SELINUX_STATUS); 427 } 428 if (isPropertyMissing(PROPERTY_URL_SAFETYLEGAL)) { 429 keys.add(KEY_SAFETY_LEGAL); 430 } 431 if (isPropertyMissing(PROPERTY_EQUIPMENT_ID)) { 432 keys.add(KEY_EQUIPMENT_ID); 433 } 434 // Remove Baseband version if wifi-only device 435 if (Utils.isWifiOnly(context)) { 436 keys.add((KEY_BASEBAND_VERSION)); 437 } 438 // Dont show feedback option if there is no reporter. 439 if (TextUtils.isEmpty(getFeedbackReporterPackage(context))) { 440 keys.add(KEY_DEVICE_FEEDBACK); 441 } 442 if (!checkIntentAction(context, "android.settings.TERMS")) { 443 keys.add(KEY_TERMS); 444 } 445 if (!checkIntentAction(context, "android.settings.LICENSE")) { 446 keys.add(KEY_LICENSE); 447 } 448 if (!checkIntentAction(context, "android.settings.COPYRIGHT")) { 449 keys.add(KEY_COPYRIGHT); 450 } 451 if (UserHandle.myUserId() != UserHandle.USER_OWNER) { 452 keys.add(KEY_SYSTEM_UPDATE_SETTINGS); 453 } 454 if (!context.getResources().getBoolean( 455 R.bool.config_additional_system_update_setting_enable)) { 456 keys.add(KEY_UPDATE_SETTING); 457 } 458 return keys; 459 } 460 461 private boolean isPropertyMissing(String property) { 462 return SystemProperties.get(property).equals(""); 463 } 464 465 private boolean checkIntentAction(Context context, String action) { 466 final Intent intent = new Intent(action); 467 468 // Find the activity that is in the system image 469 final PackageManager pm = context.getPackageManager(); 470 final List<ResolveInfo> list = pm.queryIntentActivities(intent, 0); 471 final int listSize = list.size(); 472 473 for (int i = 0; i < listSize; i++) { 474 ResolveInfo resolveInfo = list.get(i); 475 if ((resolveInfo.activityInfo.applicationInfo.flags & 476 ApplicationInfo.FLAG_SYSTEM) != 0) { 477 return true; 478 } 479 } 480 481 return false; 482 } 483 }; 484 485 } 486 487
